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An Efficacy and Safety Study of Alirocumab in Children and Adolescents With Heterozygous Familial Hypercholesterolemia

A Randomized, Double-Blind, Placebo-Controlled Study Followed by an Open Label Treatment Period to Evaluate the Efficacy and Safety of Alirocumab in Children and Adolescents With Heterozygous Familial Hypercholesterolemia

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03510884
Enrollment
153
Registered
2018-04-27
Start date
2018-05-31
Completion date
2022-08-05
Last updated
2023-05-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hypercholesterolaemia

Brief summary

Primary Objective: To evaluate the efficacy of alirocumab administered every 2 weeks (Q2W) and every 4 weeks (Q4W) versus placebo after 24 weeks of double-blind (DB) treatment on low-density lipoprotein cholesterol (LDL-C) levels in participants with heterozygous familial hypercholesterolemia (heFH) 8 to 17 years of age on optimal stable daily dose of statin therapy ± other lipid modifying therapies (LMTs) or a stable dose of non-statin LMTs in case of intolerance to statins. Secondary Objectives: * To evaluate the efficacy of alirocumab versus placebo on LDL-C levels. * To evaluate the effects of alirocumab versus placebo on other lipid parameters. * To evaluate the safety and tolerability of alirocumab in comparison with placebo. * To evaluate the efficacy, safety, and tolerability of alirocumab after open label treatment. * To evaluate the development of anti-alirocumab antibodies.

Detailed description

The study duration was approximately up to 110 weeks (run-in period \[if needed\]: up to 4 weeks \[+2 days\], screening period: up to 2 weeks \[+5 days\], double-blind treatment period: 24 weeks, open label (OL) treatment period: 80 weeks).

Interventions

Pharmaceutical form:solution Route of administration: subcutaneous injection

DRUGRosuvastatin

Pharmaceutical form:tablet Route of administration: oral

DRUGAtorvastatin

Pharmaceutical form:Tablet Route of administration: Oral

DRUGSimvastatin

Pharmaceutical form:Tablet Route of administration: Oral

DRUGPravastatin

Pharmaceutical form:Tablet Route of administration: Oral

DRUGLovastatin

Pharmaceutical form:Tablet Route of administration: Oral

DRUGFluvastatin

Pharmaceutical form:Capsule Route of administration: Oral

DRUGEzetimibe

Pharmaceutical form:Tablet Route of administration: Oral

Pharmaceutical form:oral suspension Route of administration: oral

Pharmaceutical form:Tablet Route of administration: Oral

DRUGFenofibrate

Pharmaceutical form:Tablet Route of administration: Oral

DRUGOmega-3 fatty acids

Pharmaceutical form:capsule Route of administration: oral

DRUGPlacebo

Pharmaceutical form:solution Route of administration: subcutaneous injection

Sponsors

Regeneron Pharmaceuticals
CollaboratorINDUSTRY
Sanofi
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
8 Years to 17 Years
Healthy volunteers
No

Inclusion criteria

* Children and adolescent male and female participants 8 to 17 years of age at the time of signed informed consent. * Participants with diagnosis of heFH through genotyping or clinical criteria. * Participants treated with optimal dose of statin +/- other LMT(s) or non-statin LMT(s) if statin intolerant at stable dose for at least 4 weeks prior to screening lipid sampling. * Participants with calculated LDL-C greater than or equal to 130 mg/dL (\>=3.37 mmol/L) at the screening visit except for participants who have previously participated in the DFI14223 (NCT02890992) study. * A signed informed consent indicating parental permission with or without participant assent.

Exclusion criteria

* Participant with body weight \< 25 kg. * Participants aged of 8 to 9 years not at Tanner stage 1 and participants aged of 10 to 17 years not at least at Tanner stage 2 in their development. * Participants with secondary hyperlipidemia. * Diagnosis of homozygous familial hypercholesterolemia. * Participant who had received lipid apheresis treatment within 2 months prior to the screening period, or has plans to receive it during the study. * Participants with uncontrolled type 1 or type 2 diabetes mellitus. * Participants with known uncontrolled thyroid disease. * Participants with uncontrolled hypertension. * Fasting triglycerides greater than (\>) 350 mg/dL (3.95 mmol/L). * Severe renal impairment (ie, estimated glomerular filtration rate \<30 mL/min/1.73 m\^2). * Alanine aminotransferase or aspartate aminotransferase \>2\*upper limit of normal (ULN). * Creatinine phosphokinase (CPK) \>3\*ULN. The above information was not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.

Design outcomes

Primary

MeasureTime frameDescription
DB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol (LDL-C) at Week 24: Intent-to-treat (ITT) EstimandBaseline, Week 24Adjusted least square (LS) means and standard errors (SE) were obtained from mixed-effect model with repeated measures (MMRM) model. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Secondary

MeasureTime frameDescription
DB Period: Percent Change From Baseline in Apolipoprotein B (Apo B) at Week 24: ITT EstimandBaseline, Week 24Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol (Non-HDL-C) at Week 24: ITT EstimandBaseline, Week 24Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Percent Change From Baseline in Total Cholesterol (Total-C) at Week 24: ITT EstimandBaseline, Week 24Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Percent Change From Baseline in Apolipoprotein B at Week 12: ITT EstimandBaseline, Week 12Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Week 12: ITT EstimandBaseline, Week 12Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Percent Change From Baseline in Total Cholesterol at Week 12: ITT EstimandBaseline, Week 12Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level Lower Than (<) 130 mg/dL (3.37 mmol/L) at Week 24: ITT EstimandAt Week 24Adjusted percentages at Week 24 were obtained from multiple imputation approach for handling of missing data. All available post-baseline data up to Week 24 were included in the imputation model.
DB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level <130 mg/dL (3.37 mmol/L) at Week 12: ITT EstimandAt Week 12Adjusted percentages at Week 12 were obtained from multiple imputation approach for handling of missing data. All available post-baseline data up to Week 12 were included in the imputation model.
DB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 24: ITT EstimandAt Week 24Adjusted percentages at Week 24 were obtained from multiple imputation approach for handling of missing data. All available post-baseline data up to Week 24 were included in the imputation model.
DB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 12: ITT EstimandAt Week 12Adjusted percentages at Week 12 were obtained from multiple imputation approach for handling of missing data for Q4W. All available post-baseline data up to Week 12 were included in the imputation model. For Q2W, adjusted percentages at Week 12 were obtained from last observation carried forward approach (LOCF) to handle missing on-treatment LDL-C values as well as missing post-treatment LDL-C values in participants who discontinued treatment due to the coronavirus disease-2019 pandemic. Other post-treatment missing values were considered as failure.
DB Period: Percent Change From Baseline in Lipoprotein (a) at Week 24: ITT EstimandBaseline, Week 24Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline data up to Week 24. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.
DB Period: Percent Change From Baseline in Lipoprotein (a) at Week 12: ITT EstimandBaseline, Week 12Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline data up to Week 12. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.
DB Period: Percent Change From Baseline in Total Cholesterol at Weeks 12 and 24: On-treatment EstimandBaseline, Weeks 12 and 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.
DB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Week 24: ITT EstimandBaseline, Week 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 24: ITT EstimandBaseline, Week 24Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline data up to Week 24. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.
DB Period: Percent Change From Baseline in Apolipoprotein A1 (Apo A1) at Week 24: ITT EstimandBaseline, Week 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol at Week 12: ITT EstimandBaseline, Week 12Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 12: ITT EstimandBaseline, Week 12Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline data up to Week 12. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.
DB Period: Percent Change From Baseline in Apolipoprotein A1 at Week 12: ITT EstimandBaseline, Week 12Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Weeks 12, and 24: On-treatment EstimandBaseline, Weeks 12, and 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st investigational medicinal product (IMP) injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.
DB Period: Percent Change From Baseline in Apolipoprotein B at Weeks 12 and 24: On-treatment EstimandBaseline, Weeks 12 and 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.
DB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Weeks 12 and 24: On-treatment EstimandBaseline, Weeks 12 and 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.
DB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 130 mg/dL (3.37 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeeks 12 and 24Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise.
DB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 110 mg/dL (2.84 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeeks 12 and 24Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise.
DB Period: Percent Change From Baseline in Lipoprotein (a) at Weeks 12 and 24: On-treatment EstimandBaseline, Weeks 12 and 24Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline on-treatment data up to Week 12 and Week 24, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.
DB Period: Percent Change From Baseline in Apolipoprotein A1 at Weeks 12 and 24: On-treatment EstimandBaseline, Weeks 12 and 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM mode, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.
DB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Weeks 12 and 24: On-treatment EstimandBaseline, Weeks 12, and 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 day otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.
DB Period: Percent Change From Baseline in Fasting Triglycerides at Weeks 12 and 24: On-treatment EstimandBaseline, Weeks 12, and 24Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline on-treatment data up to Week 12 and Week 24, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.
DB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: ITT EstimandBaseline, Weeks 12, and 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 12 and Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
DB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: On-treatment EstimandBaseline, Weeks 12, and 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.
DB Period: Percentage of Participants Who Achieved at Least 30 Percent (%) Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandAt Weeks 12 and 24Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model.
DB Period: Percentage of Participants Achieved at Least 30% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandAt Weeks 12 and 24Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise.
DB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandAt Weeks 12 and 24Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model.
DB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandAt Weeks 12 and 24Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise.
DB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandBaseline to Weeks 8, 12 and 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 8, Week 12 and Week 24 were used and missing data were accounted for by the MMRM model.
DB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandBaseline to Weeks 8, 12 and 24Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 8, Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise.
DB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Week 12: ITT EstimandBaseline, Week 12Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.
OL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: On-treatment EstimandBaseline, Week 104Percent Change in LDL-C from Baseline to Week 104 was reported in this outcome measure.
Change From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Baseline, Weeks 24, 68 and 104Cogstate battery test (cognitive testing system) consisted of detection test (DET), identification test (IDN), one card learning test (OCL) and Groton maze learning test (GML) to assess processing speed, attention, visual learning and executive functioning, respectively. For each test, Z-scores were computed based on participant's age at Baseline and Weeks 24, 68 and 104. Composite score: calculated as mean of Z-scores equally weighted, provided that at least 3 of 4 tests were available and if all of these domains were covered as: attention, through either DET or IDN, visual learning, through OCL and executive function, through GML. There is not minimum/maximum since values were reported as z-score but z-score of 0 means result equals to mean with negative numbers indicating values lower than mean and positive values higher. Positive change in z-score = an improvement in cognition, i.e., a better outcome; and negative change in z-score = worsening in cognition, i.e., a worse outcome.
Number of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline, Weeks 24, 68 and 104Tanner stage defines physical measurements of development in children and adolescent based on external primary and secondary sex characteristics. Participants were evaluated for pubic hair distribution, breast development (only females) and genital development (only males) and classified in 3 categories as: Prepubescent (defined as a person just before start of the development of adult sexual characteristics), Pubescent (defined as a person at or approaching the age of puberty), Postpubescent (sexually mature or a person who has completed puberty).
DB Period: Number of Participants With Treatment-Emergent (TE) Positive Anti-Alirocumab Antibodies (ADA) ResponseUp to 24 weeksAnti-drug (alirocumab) antibodies samples were analyzed using a validated non-quantitative, titer-based bridging immunoassay. Number of participants with positive ADA during 24-week treatment period is reported. Treatment-emergent positive ADA response was defined as 1) participants with no ADA positive response at baseline but with any positive response in the post-baseline period or 2) participants with a positive ADA response at baseline and at least a 4- fold increase in titer in the post-baseline period. A persistent positive response was defined as a TE ADA positive response detected in at least 2 consecutive post-baseline samples separated by at least a 12-week period. Persistent positive response was only analyzed for participants with positive TE ADA response.
OL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: ITT EstimandBaseline, Week 104Percent Change in LDL-C from Baseline to Week 104 was reported in this outcome measure.

Countries

Argentina, Austria, Brazil, Bulgaria, Canada, Czechia, Denmark, Finland, France, Hungary, Italy, Lebanon, Mexico, Netherlands, Norway, Poland, Russia, Slovenia, South Africa, Spain, Sweden, Taiwan, Turkey (Türkiye), United States

Participant flow

Recruitment details

Study was conducted at 43 active sites in 24 countries. A total of 203 participants were screened between 31-May-2018 and 31-Jul-2020, of whom 50 were screen failures. Screen failures were mainly due to exclusion criteria met. A total of 153 participants were randomized with a 2:1 ratio to receive study treatment (alirocumab: placebo).

Pre-assignment details

Randomization was stratified according to previous participation (yes or no) in the Phase 2 DFI14223 (NCT02890992) study and Baseline body weight (BW) (less than \[\<\] 50 kilograms (kg) or greater than or equal to \[\>=\] 50 kg).

Participants by arm

ArmCount
DB Period: Placebo Q2W
Participants received SC injection of placebo (matched to alirocumab) based on their BW (\<50 kg or \>=50 kg) Q2W for 24 weeks in DB treatment period along with LMT.
25
DB Period: Alirocumab Q2W
Participants received SC injection of alirocumab 40 mg (for BW \<50 kg) or 75 mg (for BW \>=50 kg) Q2W for 24 weeks in DB treatment period along with LMT. Alirocumab dose was up-titrated to 75 mg or 150 mg Q2W from Week 12, when LDL-C level was \>=110 mg/dL (2.85 mmol/L) at Week 8.
49
DB Period: Placebo Q4W
Participants received SC injection of placebo (matched to alirocumab) based on their BW (\<50 kg or \>=50 kg) Q4W for 24 weeks in DB treatment period along with LMT.
27
DB Period: Alirocumab Q4W
Participants received SC injection of alirocumab 150 mg (for BW \<50 kg) or 300 mg (for BW \>=50 kg) Q4W for 24 weeks in DB treatment period along with LMT. Alirocumab dose was up-titrated to 75 mg or 150 mg Q2W from Week 12, when LDL-C level \>=110 mg/dL (2.85 mmol/L) at Week 8.
52
Total Title153
Total306

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003
Double-blind Period (up to Week 24)Adverse Event0002
Double-blind Period (up to Week 24)Life events made continuing too difficult0100
Double-blind Period (up to Week 24)Other than specified above0011
Double-blind Period (up to Week 24)Participant moved0100
Double-blind Period (up to Week 24)Participant non-compliance to investigational medicinal product (IMP)0200
Open Label Period (up to Week 104)Adverse Event1000
Open Label Period (up to Week 104)Lack of Efficacy0100
Open Label Period (up to Week 104)Life events made continuing too difficult0100
Open Label Period (up to Week 104)Other than specified above1100
Open Label Period (up to Week 104)Participant moved1010

Baseline characteristics

CharacteristicDB Period: Placebo Q2WTotal TitleDB Period: Alirocumab Q4WDB Period: Placebo Q4WDB Period: Alirocumab Q2W
Age, Continuous13.2 years
STANDARD_DEVIATION 2.4
12.9 years
STANDARD_DEVIATION 2.8
13.1 years
STANDARD_DEVIATION 3
12.8 years
STANDARD_DEVIATION 3
12.5 years
STANDARD_DEVIATION 2.7
Low-Density Lipoprotein Cholesterol (LDL-C)175.29 milligrams/deciliter (mg/dL)
STANDARD_DEVIATION 50.23
174.23 milligrams/deciliter (mg/dL)
STANDARD_DEVIATION 49.85
176.79 milligrams/deciliter (mg/dL)
STANDARD_DEVIATION 53.93
176.57 milligrams/deciliter (mg/dL)
STANDARD_DEVIATION 49.01
169.69 milligrams/deciliter (mg/dL)
STANDARD_DEVIATION 46.74
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants16 Participants12 Participants4 Participants0 Participants
Race (NIH/OMB)
Asian
1 Participants2 Participants0 Participants0 Participants1 Participants
Race (NIH/OMB)
Black or African American
0 Participants3 Participants1 Participants1 Participants1 Participants
Race (NIH/OMB)
More than one race
1 Participants5 Participants0 Participants0 Participants4 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants1 Participants0 Participants0 Participants1 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants1 Participants1 Participants0 Participants0 Participants
Race (NIH/OMB)
White
23 Participants125 Participants38 Participants22 Participants42 Participants
Sex: Female, Male
Female
8 Participants87 Participants34 Participants15 Participants30 Participants
Sex: Female, Male
Male
17 Participants66 Participants18 Participants12 Participants19 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
EG006
affected / at risk
EG007
affected / at risk
deaths
Total, all-cause mortality
0 / 250 / 490 / 270 / 520 / 250 / 460 / 250 / 49
other
Total, other adverse events
9 / 2515 / 498 / 2710 / 529 / 2512 / 466 / 2515 / 49
serious
Total, serious adverse events
1 / 254 / 491 / 272 / 520 / 254 / 462 / 253 / 49

Outcome results

Primary

DB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol (LDL-C) at Week 24: Intent-to-treat (ITT) Estimand

Adjusted least square (LS) means and standard errors (SE) were obtained from mixed-effect model with repeated measures (MMRM) model. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 24

Population: Analysis was performed on ITT population which included all randomized participants who were analyzed according to the treatment group allocated by randomization. Here, overall number of participants analyzed = participants with available data for this outcome measure.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol (LDL-C) at Week 24: Intent-to-treat (ITT) Estimand9.7 percent changeStandard Error 4.3
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol (LDL-C) at Week 24: Intent-to-treat (ITT) Estimand-33.6 percent changeStandard Error 3.4
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol (LDL-C) at Week 24: Intent-to-treat (ITT) Estimand-4.4 percent changeStandard Error 3.7
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol (LDL-C) at Week 24: Intent-to-treat (ITT) Estimand-38.2 percent changeStandard Error 4
Comparison: The MMRM model included fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per interactive voice response system (IVRS), time point, treatment-by-time point interaction, strata-by-time point interaction, as well as the continuous fixed covariates of Baseline LDL-C value and Baseline value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-56, -30.7]MMRM
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, and BW strata-by-time point interaction, as well as the continuous fixed covariates of Baseline LDL-C value and Baseline value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-46.4, -21.2]MMRM
Secondary

Change From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104

Cogstate battery test (cognitive testing system) consisted of detection test (DET), identification test (IDN), one card learning test (OCL) and Groton maze learning test (GML) to assess processing speed, attention, visual learning and executive functioning, respectively. For each test, Z-scores were computed based on participant's age at Baseline and Weeks 24, 68 and 104. Composite score: calculated as mean of Z-scores equally weighted, provided that at least 3 of 4 tests were available and if all of these domains were covered as: attention, through either DET or IDN, visual learning, through OCL and executive function, through GML. There is not minimum/maximum since values were reported as z-score but z-score of 0 means result equals to mean with negative numbers indicating values lower than mean and positive values higher. Positive change in z-score = an improvement in cognition, i.e., a better outcome; and negative change in z-score = worsening in cognition, i.e., a worse outcome.

Time frame: Baseline, Weeks 24, 68 and 104

Population: Analysis was performed on safety population which consisted of the randomized population who had actually received at least one dose or partial dose of IMP. Here, number analyzed = participants with available data for each specified category.

ArmMeasureGroupValue (MEAN)Dispersion
DB Period: Placebo Q2WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 104-0.601 Z-scoreStandard Deviation 1.612
DB Period: Placebo Q2WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 68-0.421 Z-scoreStandard Deviation 1.752
DB Period: Placebo Q2WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 24-0.403 Z-scoreStandard Deviation 1.008
DB Period: Alirocumab Q2WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 68-0.334 Z-scoreStandard Deviation 0.912
DB Period: Alirocumab Q2WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 24-0.313 Z-scoreStandard Deviation 0.444
DB Period: Alirocumab Q2WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 104-0.439 Z-scoreStandard Deviation 0.917
DB Period: Placebo Q4WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 104-0.393 Z-scoreStandard Deviation 0.764
DB Period: Placebo Q4WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 24-0.218 Z-scoreStandard Deviation 0.501
DB Period: Placebo Q4WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 68-0.272 Z-scoreStandard Deviation 0.814
DB Period: Alirocumab Q4WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 24-0.136 Z-scoreStandard Deviation 0.637
DB Period: Alirocumab Q4WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 104-0.638 Z-scoreStandard Deviation 0.791
DB Period: Alirocumab Q4WChange From Baseline in Cogstate Battery Test - Overall Composite Score at Weeks 24, 68 and 104Week 68-0.263 Z-scoreStandard Deviation 0.717
Secondary

DB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 12 and Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Weeks 12, and 24

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: ITT EstimandWeek 120.1 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Placebo Q2WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: ITT EstimandWeek 240.1 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Alirocumab Q2WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: ITT EstimandWeek 24-0.2 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Alirocumab Q2WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: ITT EstimandWeek 12-0.2 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Placebo Q4WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: ITT EstimandWeek 120.0 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Placebo Q4WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: ITT EstimandWeek 240.0 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Alirocumab Q4WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: ITT EstimandWeek 12-0.3 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Alirocumab Q4WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: ITT EstimandWeek 24-0.3 ratio (Apo B/Apo A-1)Standard Error 0
Secondary

DB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: On-treatment Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.

Time frame: Baseline, Weeks 12, and 24

Population: Analysis was performed on mITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: On-treatment EstimandWeek 120.1 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Placebo Q2WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: On-treatment EstimandWeek 240.1 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Alirocumab Q2WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: On-treatment EstimandWeek 24-0.2 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Alirocumab Q2WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: On-treatment EstimandWeek 12-0.2 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Placebo Q4WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: On-treatment EstimandWeek 120.0 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Placebo Q4WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: On-treatment EstimandWeek 240.0 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Alirocumab Q4WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: On-treatment EstimandWeek 12-0.3 ratio (Apo B/Apo A-1)Standard Error 0
DB Period: Alirocumab Q4WDB Period: Absolute Change From Baseline in Apo B/Apo A-1 Ratio at Weeks 12 and 24: On-treatment EstimandWeek 24-0.3 ratio (Apo B/Apo A-1)Standard Error 0
Secondary

DB Period: Number of Participants With Treatment-Emergent (TE) Positive Anti-Alirocumab Antibodies (ADA) Response

Anti-drug (alirocumab) antibodies samples were analyzed using a validated non-quantitative, titer-based bridging immunoassay. Number of participants with positive ADA during 24-week treatment period is reported. Treatment-emergent positive ADA response was defined as 1) participants with no ADA positive response at baseline but with any positive response in the post-baseline period or 2) participants with a positive ADA response at baseline and at least a 4- fold increase in titer in the post-baseline period. A persistent positive response was defined as a TE ADA positive response detected in at least 2 consecutive post-baseline samples separated by at least a 12-week period. Persistent positive response was only analyzed for participants with positive TE ADA response.

Time frame: Up to 24 weeks

Population: Analysis was performed on ADA population which included all randomized and treated (who actually received at least one dose or part of a dose of the IMP injection) participants with an available ADA sample at Baseline (Week 0) and at least 1 non-missing ADA sample post first IMP injection and up to Week 24/early termination. Here, 'number analyzed' = participants with available data for each specified category and '0' in number analyzed filed signifies that no participants were evaluable.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
DB Period: Placebo Q2WDB Period: Number of Participants With Treatment-Emergent (TE) Positive Anti-Alirocumab Antibodies (ADA) ResponseTE ADA positive response0 Participants
DB Period: Alirocumab Q2WDB Period: Number of Participants With Treatment-Emergent (TE) Positive Anti-Alirocumab Antibodies (ADA) ResponseTE ADA positive response3 Participants
DB Period: Alirocumab Q2WDB Period: Number of Participants With Treatment-Emergent (TE) Positive Anti-Alirocumab Antibodies (ADA) ResponsePersistent positive response0 Participants
DB Period: Placebo Q4WDB Period: Number of Participants With Treatment-Emergent (TE) Positive Anti-Alirocumab Antibodies (ADA) ResponseTE ADA positive response0 Participants
DB Period: Alirocumab Q4WDB Period: Number of Participants With Treatment-Emergent (TE) Positive Anti-Alirocumab Antibodies (ADA) ResponseTE ADA positive response0 Participants
Secondary

DB Period: Percentage of Participants Achieved at Least 30% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment Estimand

Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise.

Time frame: At Weeks 12 and 24

Population: Analysis was performed on mITT population.

ArmMeasureGroupValue (NUMBER)
DB Period: Placebo Q2WDB Period: Percentage of Participants Achieved at Least 30% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 120.8 percentage of participants
DB Period: Placebo Q2WDB Period: Percentage of Participants Achieved at Least 30% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 244.0 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Achieved at Least 30% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 2466.7 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Achieved at Least 30% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 1265.8 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Achieved at Least 30% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 124.2 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Achieved at Least 30% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 2418.5 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Achieved at Least 30% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 1270.8 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Achieved at Least 30% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 2472.5 percentage of participants
Secondary

DB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 12: ITT Estimand

Adjusted percentages at Week 12 were obtained from multiple imputation approach for handling of missing data for Q4W. All available post-baseline data up to Week 12 were included in the imputation model. For Q2W, adjusted percentages at Week 12 were obtained from last observation carried forward approach (LOCF) to handle missing on-treatment LDL-C values as well as missing post-treatment LDL-C values in participants who discontinued treatment due to the coronavirus disease-2019 pandemic. Other post-treatment missing values were considered as failure.

Time frame: At Week 12

Population: Analysis was performed on ITT population.

ArmMeasureValue (NUMBER)
DB Period: Placebo Q2WDB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 12: ITT Estimand0.0 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 12: ITT Estimand61.2 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 12: ITT Estimand4.3 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 12: ITT Estimand57.0 percentage of participants
Comparison: The LOCF approach followed by exact conditional logistic regression model. The exact conditional logistic regression model stratified by randomization factors (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS included the fixed categorical effect of treatment group and the quartiles of the Baseline LDL-C value.p-value: <0.0001Exact conditional logistic regression
Comparison: Multiple imputation approach followed by logistic regression model. The logistic regression model stratified by randomization factors (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS included the fixed categorical effect of treatment group and the continuous fixed covariate of Baseline LDL-C value.p-value: =0.000597.5% CI: [5.2, 2095.9]Regression, Logistic
Secondary

DB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 24: ITT Estimand

Adjusted percentages at Week 24 were obtained from multiple imputation approach for handling of missing data. All available post-baseline data up to Week 24 were included in the imputation model.

Time frame: At Week 24

Population: Analysis was performed on ITT population.

ArmMeasureValue (NUMBER)
DB Period: Placebo Q2WDB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 24: ITT Estimand4.0 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 24: ITT Estimand57.2 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 24: ITT Estimand9.0 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Achieving Low Density Lipoprotein Cholesterol <110 mg/dL (2.84 mmol/L) at Week 24: ITT Estimand67.2 percentage of participants
Comparison: Multiple imputation approach followed by logistic regression model. The logistic regression model stratified by randomization factors (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS included the fixed categorical effect of treatment group and the continuous fixed covariate of Baseline LDL-C value.p-value: =0.001197.5% CI: [3.5, 804.3]Regression, Logistic
Comparison: Multiple imputation approach followed by logistic regression model. The logistic regression model stratified by randomization factors (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS included the fixed categorical effect of treatment group and the continuous fixed covariate of Baseline LDL-C value.p-value: =0.000697.5% CI: [3.7, 498.6]Regression, Logistic
Secondary

DB Period: Percentage of Participants Who Achieved at Least 30 Percent (%) Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT Estimand

Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model.

Time frame: At Weeks 12 and 24

Population: Analysis was performed on ITT population.

ArmMeasureGroupValue (NUMBER)
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved at Least 30 Percent (%) Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek120.8 percentage of participants
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved at Least 30 Percent (%) Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 244.0 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved at Least 30 Percent (%) Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 2466.7 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved at Least 30 Percent (%) Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek1265.8 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved at Least 30 Percent (%) Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 2418.5 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved at Least 30 Percent (%) Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek124.2 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved at Least 30 Percent (%) Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek1270.8 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved at Least 30 Percent (%) Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 2472.5 percentage of participants
Secondary

DB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT Estimand

Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model.

Time frame: At Weeks 12 and 24

Population: Analysis was performed on ITT population.

ArmMeasureGroupValue (NUMBER)
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 120.0 percentage of participants
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 240.0 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 2421.6 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 1225.2 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 249.1 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 120.1 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 1231.9 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: ITT EstimandWeek 2432.4 percentage of participants
Secondary

DB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment Estimand

Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise.

Time frame: At Weeks 12 and 24

Population: Analysis was performed on mITT population.

ArmMeasureGroupValue (NUMBER)
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 240.0 percentage of participants
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 120.0 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 1225.2 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 2421.6 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 120.1 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 249.1 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 2432.4 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved at Least 50% Reduction in Low Density Lipoprotein Cholesterol Level From Baseline at Weeks 12 and 24: On-treatment EstimandWeek 1231.9 percentage of participants
Secondary

DB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 110 mg/dL (2.84 mmol/L) at Weeks 12 and 24: On-treatment Estimand

Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise.

Time frame: Weeks 12 and 24

Population: Analysis was performed on mITT population.

ArmMeasureGroupValue (NUMBER)
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 110 mg/dL (2.84 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 120.1 percentage of participants
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 110 mg/dL (2.84 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 244.0 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 110 mg/dL (2.84 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 2457.2 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 110 mg/dL (2.84 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 1261.7 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 110 mg/dL (2.84 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 124.3 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 110 mg/dL (2.84 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 249.0 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 110 mg/dL (2.84 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 1257.0 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 110 mg/dL (2.84 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 2467.2 percentage of participants
Secondary

DB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 130 mg/dL (3.37 mmol/L) at Weeks 12 and 24: On-treatment Estimand

Adjusted percentages at Weeks 12 and 24 were obtained from multiple imputation approach for handling of missing data followed by logistic regression model. All available post-baseline on-treatment data up to Week 12 and Week 24 were included in the imputation model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise.

Time frame: Weeks 12 and 24

Population: Analysis was performed on mITT population.

ArmMeasureGroupValue (NUMBER)
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 130 mg/dL (3.37 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 1216.4 percentage of participants
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 130 mg/dL (3.37 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 248.0 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 130 mg/dL (3.37 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 2473.3 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 130 mg/dL (3.37 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 1270.6 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 130 mg/dL (3.37 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 1212.9 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 130 mg/dL (3.37 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 2422.2 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 130 mg/dL (3.37 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 1272.6 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol < 130 mg/dL (3.37 mmol/L) at Weeks 12 and 24: On-treatment EstimandWeek 2476.3 percentage of participants
Secondary

DB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level <130 mg/dL (3.37 mmol/L) at Week 12: ITT Estimand

Adjusted percentages at Week 12 were obtained from multiple imputation approach for handling of missing data. All available post-baseline data up to Week 12 were included in the imputation model.

Time frame: At Week 12

Population: Analysis was performed on ITT population.

ArmMeasureValue (NUMBER)
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level <130 mg/dL (3.37 mmol/L) at Week 12: ITT Estimand16.4 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level <130 mg/dL (3.37 mmol/L) at Week 12: ITT Estimand70.6 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level <130 mg/dL (3.37 mmol/L) at Week 12: ITT Estimand12.9 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level <130 mg/dL (3.37 mmol/L) at Week 12: ITT Estimand72.6 percentage of participants
Comparison: Multiple imputation approach followed by logistic regression model. The logistic regression model stratified by randomization factors (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS included the fixed categorical effect of treatment group and the continuous fixed covariate of Baseline LDL-C value.p-value: <0.000197.5% CI: [4, 174.8]Regression, Logistic
Comparison: Multiple imputation approach followed by logistic regression model. The logistic regression model stratified by randomization factors (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS included the fixed categorical effect of treatment group and the continuous fixed covariate of Baseline LDL-C value.p-value: <0.000197.5% CI: [5.7, 290.9]Regression, Logistic
Secondary

DB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level Lower Than (<) 130 mg/dL (3.37 mmol/L) at Week 24: ITT Estimand

Adjusted percentages at Week 24 were obtained from multiple imputation approach for handling of missing data. All available post-baseline data up to Week 24 were included in the imputation model.

Time frame: At Week 24

Population: Analysis was performed on ITT population.

ArmMeasureValue (NUMBER)
DB Period: Placebo Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level Lower Than (<) 130 mg/dL (3.37 mmol/L) at Week 24: ITT Estimand8.0 percentage of participants
DB Period: Alirocumab Q2WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level Lower Than (<) 130 mg/dL (3.37 mmol/L) at Week 24: ITT Estimand73.3 percentage of participants
DB Period: Placebo Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level Lower Than (<) 130 mg/dL (3.37 mmol/L) at Week 24: ITT Estimand22.2 percentage of participants
DB Period: Alirocumab Q4WDB Period: Percentage of Participants Who Achieved Low Density Lipoprotein Cholesterol Level Lower Than (<) 130 mg/dL (3.37 mmol/L) at Week 24: ITT Estimand76.3 percentage of participants
Comparison: Multiple imputation approach followed by logistic regression model. Logistic regression model stratified by randomization factors (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS included the fixed categorical effect of treatment group and the continuous fixed covariate of Baseline LDL-C value.p-value: =0.000197.5% CI: [6.3, 960]Regression, Logistic
Comparison: Multiple imputation approach followed by logistic regression model. Logistic regression model stratified by randomization factors (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS included the fixed categorical effect of treatment group and the continuous fixed covariate of Baseline LDL-C value.p-value: <0.000197.5% CI: [3.2, 69.8]Regression, Logistic
Secondary

DB Period: Percent Change From Baseline in Apolipoprotein A1 (Apo A1) at Week 24: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 24

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Apolipoprotein A1 (Apo A1) at Week 24: ITT Estimand-0.1 percent changeStandard Error 2.6
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Apolipoprotein A1 (Apo A1) at Week 24: ITT Estimand1.0 percent changeStandard Error 1.5
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Apolipoprotein A1 (Apo A1) at Week 24: ITT Estimand-4.5 percent changeStandard Error 2.6
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Apolipoprotein A1 (Apo A1) at Week 24: ITT Estimand4.4 percent changeStandard Error 2
Secondary

DB Period: Percent Change From Baseline in Apolipoprotein A1 at Week 12: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 12

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Week 12: ITT Estimand-0.1 percent changeStandard Error 1.8
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Week 12: ITT Estimand-1.7 percent changeStandard Error 1.7
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Week 12: ITT Estimand-0.7 percent changeStandard Error 3.1
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Week 12: ITT Estimand5.0 percent changeStandard Error 1.7
Secondary

DB Period: Percent Change From Baseline in Apolipoprotein A1 at Weeks 12 and 24: On-treatment Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM mode, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.

Time frame: Baseline, Weeks 12 and 24

Population: Analysis was performed on mITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Weeks 12 and 24: On-treatment EstimandWeek 12-0.1 percent changeStandard Error 1.8
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Weeks 12 and 24: On-treatment EstimandWeek 24-0.1 percent changeStandard Error 2.6
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Weeks 12 and 24: On-treatment EstimandWeek 12-1.7 percent changeStandard Error 1.7
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Weeks 12 and 24: On-treatment EstimandWeek 241.0 percent changeStandard Error 1.5
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Weeks 12 and 24: On-treatment EstimandWeek 24-4.5 percent changeStandard Error 2.6
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Weeks 12 and 24: On-treatment EstimandWeek 12-0.7 percent changeStandard Error 3.1
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Weeks 12 and 24: On-treatment EstimandWeek 125.0 percent changeStandard Error 1.7
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Apolipoprotein A1 at Weeks 12 and 24: On-treatment EstimandWeek 244.4 percent changeStandard Error 2
Secondary

DB Period: Percent Change From Baseline in Apolipoprotein B (Apo B) at Week 24: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 24

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Apolipoprotein B (Apo B) at Week 24: ITT Estimand10.4 percent changeStandard Error 2.8
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Apolipoprotein B (Apo B) at Week 24: ITT Estimand-27.4 percent changeStandard Error 3.2
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Apolipoprotein B (Apo B) at Week 24: ITT Estimand-3.6 percent changeStandard Error 3.9
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Apolipoprotein B (Apo B) at Week 24: ITT Estimand-34.3 percent changeStandard Error 2.9
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, strata-by-time point interaction, as well as the continuous fixed covariates of Baseline Apo B value and Baseline Apo B value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-47.5, -28.2]MMRM
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, and BW strata-by-time point interaction, as well as the continuous fixed covariates of Baseline Apo B value and Baseline Apo B value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-42, -19.4]MMRM
Secondary

DB Period: Percent Change From Baseline in Apolipoprotein B at Week 12: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 12

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Apolipoprotein B at Week 12: ITT Estimand8.9 percent changeStandard Error 3.1
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Apolipoprotein B at Week 12: ITT Estimand-30.0 percent changeStandard Error 2.5
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Apolipoprotein B at Week 12: ITT Estimand1.1 percent changeStandard Error 3.2
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Apolipoprotein B at Week 12: ITT Estimand-31.7 percent changeStandard Error 2.9
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, strata-by-time point interaction, as well as the continuous fixed covariates of Baseline Apo B value and Baseline Apo B value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-48.2, -29.6]MMRM
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, and BW strata-by-time point interaction, as well as the continuous fixed covariates of Baseline Apo B value and Baseline Apo B value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-42.8, -22.7]MMRM
Secondary

DB Period: Percent Change From Baseline in Apolipoprotein B at Weeks 12 and 24: On-treatment Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.

Time frame: Baseline, Weeks 12 and 24

Population: Analysis was performed on mITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Apolipoprotein B at Weeks 12 and 24: On-treatment EstimandWeek 128.9 percent changeStandard Error 3.1
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Apolipoprotein B at Weeks 12 and 24: On-treatment EstimandWeek 2410.4 percent changeStandard Error 2.8
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Apolipoprotein B at Weeks 12 and 24: On-treatment EstimandWeek 24-27.4 percent changeStandard Error 3.2
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Apolipoprotein B at Weeks 12 and 24: On-treatment EstimandWeek 12-30.0 percent changeStandard Error 2.5
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Apolipoprotein B at Weeks 12 and 24: On-treatment EstimandWeek 24-3.6 percent changeStandard Error 3.9
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Apolipoprotein B at Weeks 12 and 24: On-treatment EstimandWeek 121.1 percent changeStandard Error 3.2
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Apolipoprotein B at Weeks 12 and 24: On-treatment EstimandWeek 12-31.7 percent changeStandard Error 2.9
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Apolipoprotein B at Weeks 12 and 24: On-treatment EstimandWeek 24-34.3 percent changeStandard Error 2.9
Secondary

DB Period: Percent Change From Baseline in Fasting Triglycerides at Weeks 12 and 24: On-treatment Estimand

Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline on-treatment data up to Week 12 and Week 24, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.

Time frame: Baseline, Weeks 12, and 24

Population: Analysis was performed on mITT population.

ArmMeasureGroupValue (MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Fasting Triglycerides at Weeks 12 and 24: On-treatment EstimandWeek 126.5 percent changeStandard Error 7.4
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Fasting Triglycerides at Weeks 12 and 24: On-treatment EstimandWeek 247.7 percent changeStandard Error 8.4
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Fasting Triglycerides at Weeks 12 and 24: On-treatment EstimandWeek 2411.9 percent changeStandard Error 6.3
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Fasting Triglycerides at Weeks 12 and 24: On-treatment EstimandWeek 12-2.2 percent changeStandard Error 5
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Fasting Triglycerides at Weeks 12 and 24: On-treatment EstimandWeek 2412.2 percent changeStandard Error 8.2
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Fasting Triglycerides at Weeks 12 and 24: On-treatment EstimandWeek 127.8 percent changeStandard Error 8.4
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Fasting Triglycerides at Weeks 12 and 24: On-treatment EstimandWeek 24-6.8 percent changeStandard Error 5.5
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Fasting Triglycerides at Weeks 12 and 24: On-treatment EstimandWeek 12-0.3 percent changeStandard Error 6
Secondary

DB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 12: ITT Estimand

Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline data up to Week 12. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.

Time frame: Baseline, Week 12

Population: Analysis was performed on ITT population.

ArmMeasureValue (MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 12: ITT Estimand6.5 percent changeStandard Error 7.4
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 12: ITT Estimand-2.2 percent changeStandard Error 5
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 12: ITT Estimand7.8 percent changeStandard Error 8.4
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 12: ITT Estimand-0.3 percent changeStandard Error 6
Secondary

DB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 24: ITT Estimand

Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline data up to Week 24. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.

Time frame: Baseline, Week 24

Population: Analysis was performed on ITT population.

ArmMeasureValue (MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 24: ITT Estimand7.7 percent changeStandard Error 8.4
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 24: ITT Estimand11.9 percent changeStandard Error 6.3
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 24: ITT Estimand12.2 percent changeStandard Error 8.2
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Fasting Triglycerides (TG) at Week 24: ITT Estimand-6.8 percent changeStandard Error 5.5
Secondary

DB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol at Week 12: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 12

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol at Week 12: ITT Estimand-2.2 percent changeStandard Error 3.2
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol at Week 12: ITT Estimand3.5 percent changeStandard Error 2
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol at Week 12: ITT Estimand-3.5 percent changeStandard Error 3.2
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol at Week 12: ITT Estimand4.0 percent changeStandard Error 2.2
Secondary

DB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Week 24: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 24

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Week 24: ITT Estimand-0.8 percent changeStandard Error 2.1
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Week 24: ITT Estimand5.6 percent changeStandard Error 1.4
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Week 24: ITT Estimand-1.1 percent changeStandard Error 2.7
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Week 24: ITT Estimand3.4 percent changeStandard Error 2.1
Secondary

DB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Weeks 12 and 24: On-treatment Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 day otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.

Time frame: Baseline, Weeks 12, and 24

Population: Analysis was performed on mITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Weeks 12 and 24: On-treatment EstimandWeek 12-2.2 percent changeStandard Error 3.2
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Weeks 12 and 24: On-treatment EstimandWeek 24-0.8 percent changeStandard Error 2.1
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Weeks 12 and 24: On-treatment EstimandWeek 245.6 percent changeStandard Error 1.4
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Weeks 12 and 24: On-treatment EstimandWeek 123.5 percent changeStandard Error 2
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Weeks 12 and 24: On-treatment EstimandWeek 12-3.5 percent changeStandard Error 3.2
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Weeks 12 and 24: On-treatment EstimandWeek 24-1.1 percent changeStandard Error 2.7
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Weeks 12 and 24: On-treatment EstimandWeek 124.0 percent changeStandard Error 2.2
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) at Weeks 12 and 24: On-treatment EstimandWeek 243.4 percent changeStandard Error 2.1
Secondary

DB Period: Percent Change From Baseline in Lipoprotein (a) at Week 12: ITT Estimand

Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline data up to Week 12. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.

Time frame: Baseline, Week 12

Population: Analysis was performed on ITT population.

ArmMeasureValue (MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Lipoprotein (a) at Week 12: ITT Estimand-7.1 percent changeStandard Error 5.9
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Lipoprotein (a) at Week 12: ITT Estimand-12.7 percent changeStandard Error 3.9
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Lipoprotein (a) at Week 12: ITT Estimand-2.5 percent changeStandard Error 6.9
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Lipoprotein (a) at Week 12: ITT Estimand-16.0 percent changeStandard Error 5.1
Comparison: Multiple imputation approach followed by robust regression model. The robust regression model included the fixed categorical effect of treatment group and randomization strata (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS and the continuous fixed covariate of Baseline lipoprotein (a) value.p-value: =0.428897.5% CI: [-21.7, 10.4]Robust regression model
Comparison: Multiple imputation approach followed by robust regression model. The robust regression model included the fixed categorical effect of treatment group and randomization strata (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS and the continuous fixed covariate of Baseline lipoprotein (a) value.p-value: =0.114897.5% CI: [-32.7, 5.7]Robust regression model
Secondary

DB Period: Percent Change From Baseline in Lipoprotein (a) at Week 24: ITT Estimand

Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline data up to Week 24. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.

Time frame: Baseline, Week 24

Population: Analysis was performed on ITT population.

ArmMeasureValue (MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Lipoprotein (a) at Week 24: ITT Estimand0.5 percent changeStandard Error 5.3
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Lipoprotein (a) at Week 24: ITT Estimand-14.7 percent changeStandard Error 4.1
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Lipoprotein (a) at Week 24: ITT Estimand2.5 percent changeStandard Error 7.1
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Lipoprotein (a) at Week 24: ITT Estimand-22.4 percent changeStandard Error 5
Comparison: Multiple imputation approach followed by robust regression model. The robust regression model included the fixed categorical effect of treatment group and randomization strata (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS and the continuous fixed covariate of Baseline lipoprotein (a) value.p-value: =0.023797.5% CI: [-30.3, -0.1]Robust regression model
Comparison: Multiple imputation approach followed by robust regression model. The robust regression model included the fixed categorical effect of treatment group and randomization strata (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS and the continuous fixed covariate of Baseline lipoprotein (a) value.p-value: =0.004397.5% CI: [-44.4, -5.4]Robust regression model
Secondary

DB Period: Percent Change From Baseline in Lipoprotein (a) at Weeks 12 and 24: On-treatment Estimand

Adjusted means and standard errors were obtained from a multiple imputation approach followed by a robust regression model including all available post-baseline on-treatment data up to Week 12 and Week 24, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for those who stopped IMP before switch to Q2W regimen, + 21 days otherwise. Combined estimates and SE were obtained by combining adjusted means and SE from robust regression model analyses of the different imputed data sets.

Time frame: Baseline, Weeks 12 and 24

Population: Analysis was performed on mITT population.

ArmMeasureGroupValue (MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Lipoprotein (a) at Weeks 12 and 24: On-treatment EstimandWeek 12-7.099 percent changeStandard Error 5.923
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Lipoprotein (a) at Weeks 12 and 24: On-treatment EstimandWeek 240.492 percent changeStandard Error 5.254
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Lipoprotein (a) at Weeks 12 and 24: On-treatment EstimandWeek 12-12.746 percent changeStandard Error 3.889
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Lipoprotein (a) at Weeks 12 and 24: On-treatment EstimandWeek 24-14.748 percent changeStandard Error 4.083
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Lipoprotein (a) at Weeks 12 and 24: On-treatment EstimandWeek 242.468 percent changeStandard Error 7.135
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Lipoprotein (a) at Weeks 12 and 24: On-treatment EstimandWeek 12-2.545 percent changeStandard Error 6.851
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Lipoprotein (a) at Weeks 12 and 24: On-treatment EstimandWeek 12-16.042 percent changeStandard Error 5.139
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Lipoprotein (a) at Weeks 12 and 24: On-treatment EstimandWeek 24-22.418 percent changeStandard Error 5.03
Secondary

DB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Week 12: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 12

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Week 12: ITT Estimand10.7 percent changeStandard Error 3.6
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Week 12: ITT Estimand-34.8 percent changeStandard Error 3
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Week 12: ITT Estimand2.3 percent changeStandard Error 3.6
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Week 12: ITT Estimand-39.2 percent changeStandard Error 3.3
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, strata-by-time point interaction, as well as the continuous fixed covariates of Baseline LDL-C value and Baseline value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-56.3, -34.7]MMRM
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, and BW strata-by-time point interaction, as well as the continuous fixed covariates of Baseline LDL-C value and Baseline value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-52.7, -30.2]MMRM
Secondary

DB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Weeks 12, and 24: On-treatment Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st investigational medicinal product (IMP) injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.

Time frame: Baseline, Weeks 12, and 24

Population: Analysis was performed on modified intent-to-treat (mITT) population which included all randomized participants who took at least one dose or part of a dose of the IMP injection. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Weeks 12, and 24: On-treatment EstimandWeek 1210.7 percent changeStandard Error 3.6
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Weeks 12, and 24: On-treatment EstimandWeek 249.7 percent changeStandard Error 4.3
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Weeks 12, and 24: On-treatment EstimandWeek 24-33.6 percent changeStandard Error 3.4
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Weeks 12, and 24: On-treatment EstimandWeek 12-34.8 percent changeStandard Error 3
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Weeks 12, and 24: On-treatment EstimandWeek 122.3 percent changeStandard Error 3.6
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Weeks 12, and 24: On-treatment EstimandWeek 24-4.4 percent changeStandard Error 3.7
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Weeks 12, and 24: On-treatment EstimandWeek 12-39.2 percent changeStandard Error 3.3
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Low Density Lipoprotein Cholesterol at Weeks 12, and 24: On-treatment EstimandWeek 24-38.2 percent changeStandard Error 4
Secondary

DB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Week 12: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 12

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Week 12: ITT Estimand9.8 percent changeStandard Error 3.8
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Week 12: ITT Estimand-33.0 percent changeStandard Error 2.8
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Week 12: ITT Estimand2.8 percent changeStandard Error 3.5
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Week 12: ITT Estimand-34.7 percent changeStandard Error 2.9
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, strata-by-time point interaction, as well as the continuous fixed covariates of Baseline Non-HDL-C value and Baseline Non-HDL-C value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-53.8, -31.8]MMRM
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, and BW strata-by-time point interaction, as well as the continuous fixed covariates of Baseline non-HDL-C value and Baseline non-HDL-C value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-47.9, -27]MMRM
Secondary

DB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Weeks 12 and 24: On-treatment Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.

Time frame: Baseline, Weeks 12 and 24

Population: Analysis was performed on mITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 129.8 percent changeStandard Error 3.8
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 249.7 percent changeStandard Error 3.9
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 24-31.0 percent changeStandard Error 3.2
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 12-33.0 percent changeStandard Error 2.8
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 24-3.7 percent changeStandard Error 4
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 122.8 percent changeStandard Error 3.5
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 24-35.6 percent changeStandard Error 3.5
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 12-34.7 percent changeStandard Error 2.9
Secondary

DB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol (Non-HDL-C) at Week 24: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 24

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol (Non-HDL-C) at Week 24: ITT Estimand9.7 percent changeStandard Error 3.9
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol (Non-HDL-C) at Week 24: ITT Estimand-31.0 percent changeStandard Error 3.2
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol (Non-HDL-C) at Week 24: ITT Estimand-3.7 percent changeStandard Error 4
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Non-High Density Lipoprotein Cholesterol (Non-HDL-C) at Week 24: ITT Estimand-35.6 percent changeStandard Error 3.5
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, strata-by-time point interaction, as well as the continuous fixed covariates of Baseline non-HDL-C value and Baseline non-HDL-C value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-52.2, -29.1]MMRM
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, and BW strata-by-time point interaction, as well as the continuous fixed covariates of Baseline non-HDL-C value and Baseline non-HDL-C value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-44.1, -19.7]MMRM
Secondary

DB Period: Percent Change From Baseline in Total Cholesterol at Week 12: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 12 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 12

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Total Cholesterol at Week 12: ITT Estimand7.5 percent changeStandard Error 2.9
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Total Cholesterol at Week 12: ITT Estimand-25.3 percent changeStandard Error 2.2
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Total Cholesterol at Week 12: ITT Estimand0.9 percent changeStandard Error 2.5
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Total Cholesterol at Week 12: ITT Estimand-27.0 percent changeStandard Error 2.3
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, strata-by-time point interaction, as well as the continuous fixed covariates of Baseline Total-C value and Baseline Total-C value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-41.3, -24.2]MMRM
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, and BW strata-by-time point interaction, as well as the continuous fixed covariates of Baseline Total-C value and Baseline Total-C value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-35.6, -20.2]MMRM
Secondary

DB Period: Percent Change From Baseline in Total Cholesterol at Weeks 12 and 24: On-treatment Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise. MMRM model was run on participants with a Baseline value and at one on-treatment post-baseline value for a timepoint used in the model.

Time frame: Baseline, Weeks 12 and 24

Population: Analysis was performed on mITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Total Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 247.4 percent changeStandard Error 3
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Total Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 127.5 percent changeStandard Error 2.9
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Total Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 12-25.3 percent changeStandard Error 2.2
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Total Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 24-23.4 percent changeStandard Error 2.5
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Total Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 120.9 percent changeStandard Error 2.5
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Total Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 24-4.4 percent changeStandard Error 3.3
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Total Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 24-27.7 percent changeStandard Error 2.9
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Total Cholesterol at Weeks 12 and 24: On-treatment EstimandWeek 12-27.0 percent changeStandard Error 2.3
Secondary

DB Period: Percent Change From Baseline in Total Cholesterol (Total-C) at Week 24: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model including all available post-baseline data. All post-baseline data available up to Week 24 were used and missing data were accounted for by the MMRM model. MMRM model was run on participants with a Baseline value and a post-baseline value for at least one timepoint used in the model.

Time frame: Baseline, Week 24

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change From Baseline in Total Cholesterol (Total-C) at Week 24: ITT Estimand7.4 percent changeStandard Error 3
DB Period: Alirocumab Q2WDB Period: Percent Change From Baseline in Total Cholesterol (Total-C) at Week 24: ITT Estimand-23.4 percent changeStandard Error 2.5
DB Period: Placebo Q4WDB Period: Percent Change From Baseline in Total Cholesterol (Total-C) at Week 24: ITT Estimand-4.4 percent changeStandard Error 3.3
DB Period: Alirocumab Q4WDB Period: Percent Change From Baseline in Total Cholesterol (Total-C) at Week 24: ITT Estimand-27.7 percent changeStandard Error 2.9
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (previous participation \[yes or no\] to DFI14223 study, Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, strata-by-time point interaction, as well as the continuous fixed covariates of Baseline Total-C value and Baseline Total-C value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-39.8, -21.9]MMRM
Comparison: The MMRM model included the fixed categorical effects of treatment group (alirocumab, placebo), randomization strata (Baseline BW \[\<50 or \>=50 kg\]) as per IVRS, time point, treatment-by-time point interaction, and BW strata-by-time point interaction, as well as the continuous fixed covariates of Baseline Total-C value and Baseline Total-C value by time-point interaction. Comparison was performed using an appropriate contrast.p-value: <0.000197.5% CI: [-33.5, -13.1]MMRM
Secondary

DB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline data available up to Week 8, Week 12 and Week 24 were used and missing data were accounted for by the MMRM model.

Time frame: Baseline to Weeks 8, 12 and 24

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 87.1 percent changeStandard Error 4.2
DB Period: Placebo Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 249.7 percent changeStandard Error 4.3
DB Period: Placebo Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 1210.7 percent changeStandard Error 3.6
DB Period: Alirocumab Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 8-35.4 percent changeStandard Error 3.6
DB Period: Alirocumab Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 24-33.6 percent changeStandard Error 3.4
DB Period: Alirocumab Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 12-34.8 percent changeStandard Error 3
DB Period: Placebo Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 122.3 percent changeStandard Error 3.6
DB Period: Placebo Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 8-3.8 percent changeStandard Error 3.5
DB Period: Placebo Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 24-4.4 percent changeStandard Error 3.7
DB Period: Alirocumab Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 8-42.0 percent changeStandard Error 2.8
DB Period: Alirocumab Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 24-38.2 percent changeStandard Error 4
DB Period: Alirocumab Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: ITT EstimandWeek 12-39.2 percent changeStandard Error 3.3
Secondary

DB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment Estimand

Adjusted LS means and SE were obtained from MMRM model. All post-baseline on-treatment data available up to Week 8, Week 12 and Week 24 were used for the MMRM model, i.e., for Q2W data: from 1st IMP injection up to last IMP injection + 21 days and for Q4W data: from 1st IMP injection up to last IMP injection + 35 days for who stopped IMP before switch to Q2W regimen, + 21 days otherwise.

Time frame: Baseline to Weeks 8, 12 and 24

Population: Analysis was performed on mITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure.~.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 87.1 percent changeStandard Error 4.2
DB Period: Placebo Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 249.7 percent changeStandard Error 4.3
DB Period: Placebo Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 1210.7 percent changeStandard Error 3.6
DB Period: Alirocumab Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 8-35.4 percent changeStandard Error 3.6
DB Period: Alirocumab Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 24-33.6 percent changeStandard Error 3.4
DB Period: Alirocumab Q2WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 12-34.8 percent changeStandard Error 3
DB Period: Placebo Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 122.3 percent changeStandard Error 3.6
DB Period: Placebo Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 8-3.8 percent changeStandard Error 3.5
DB Period: Placebo Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 24-4.4 percent changeStandard Error 3.7
DB Period: Alirocumab Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 8-42.0 percent changeStandard Error 2.8
DB Period: Alirocumab Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 24-38.2 percent changeStandard Error 4
DB Period: Alirocumab Q4WDB Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Weeks 8, 12 and 24: On-treatment EstimandWeek 12-39.2 percent changeStandard Error 3.3
Secondary

Number of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104

Tanner stage defines physical measurements of development in children and adolescent based on external primary and secondary sex characteristics. Participants were evaluated for pubic hair distribution, breast development (only females) and genital development (only males) and classified in 3 categories as: Prepubescent (defined as a person just before start of the development of adult sexual characteristics), Pubescent (defined as a person at or approaching the age of puberty), Postpubescent (sexually mature or a person who has completed puberty).

Time frame: Baseline, Weeks 24, 68 and 104

Population: Analysis was performed on safety population. Here, number analyzed = participants with available data for each specified category.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Postpubescent4 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Pubescent5 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Prepubescent0 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Postpubescent2 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Prepubescent0 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Pubescent4 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Pubescent7 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Postpubescent2 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Postpubescent3 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Prepubescent0 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Prepubescent1 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Pubescent13 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Postpubescent1 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Postpubescent7 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Pubescent13 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Prepubescent1 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Pubescent6 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Pubescent6 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Prepubescent0 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Prepubescent0 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Postpubescent1 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Postpubescent4 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Pubescent6 Participants
DB Period: Placebo Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Prepubescent1 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Pubescent14 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Prepubescent3 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Prepubescent4 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Pubescent15 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Prepubescent1 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Postpubescent10 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Prepubescent3 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Prepubescent0 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Postpubescent6 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Postpubescent3 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Prepubescent1 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Prepubescent4 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Pubescent10 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Pubescent8 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Pubescent9 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Pubescent11 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Postpubescent11 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Pubescent16 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Postpubescent2 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Postpubescent9 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Prepubescent4 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Postpubescent6 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Postpubescent9 Participants
DB Period: Alirocumab Q2WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Pubescent13 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Pubescent4 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Prepubescent1 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Postpubescent3 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Postpubescent5 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Postpubescent5 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Prepubescent5 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Postpubescent3 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Prepubescent1 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Pubescent8 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Postpubescent6 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Pubescent7 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Prepubescent1 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Pubescent6 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Postpubescent5 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Prepubescent1 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Pubescent5 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Postpubescent3 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Prepubescent1 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Pubescent5 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Prepubescent1 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Pubescent5 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Postpubescent2 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Prepubescent1 Participants
DB Period: Placebo Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Pubescent5 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Prepubescent1 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Postpubescent5 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Pubescent12 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Postpubescent11 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Pubescent16 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Boys - Prepubescent0 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Girls - Postpubescent9 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Postpubescent14 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Postpubescent4 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Prepubescent0 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Pubescent13 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Girls - Prepubescent7 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Prepubescent1 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Pubescent8 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Pubescent14 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Baseline: Boys - Prepubescent0 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Pubescent9 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Prepubescent0 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Postpubescent9 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Girls - Pubescent17 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 68: Boys - Postpubescent6 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Pubescent16 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 24: Girls - Prepubescent2 Participants
DB Period: Alirocumab Q4WNumber of Participants With Tanner Staging at Baseline and Weeks 24, 68 and 104Week 104: Boys - Postpubescent7 Participants
Secondary

OL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: ITT Estimand

Percent Change in LDL-C from Baseline to Week 104 was reported in this outcome measure.

Time frame: Baseline, Week 104

Population: Analysis was performed on ITT population. Here, overall number of participants analyzed = participants with available data for this outcome measure. The IIT estimand was analyzed by considering all the post-baseline (including both on- and post-treatment) LDL-C values for the analysis.~.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WOL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: ITT Estimand-23.3 percent changeStandard Error 4.9
DB Period: Alirocumab Q2WOL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: ITT Estimand-22.2 percent changeStandard Error 5.6
DB Period: Placebo Q4WOL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: ITT Estimand-27.1 percent changeStandard Error 7
DB Period: Alirocumab Q4WOL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: ITT Estimand-23.7 percent changeStandard Error 4.2
Secondary

OL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: On-treatment Estimand

Percent Change in LDL-C from Baseline to Week 104 was reported in this outcome measure.

Time frame: Baseline, Week 104

Population: Analysis was performed on mITT population. Here, 'overall number of participants analyzed' = participants with available data for this outcome measure. The on-treatment estimand was analyzed using the same imputation model as ITT Estimand, but considered the 'on-treatment' LDL-C values alone for the analysis.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
DB Period: Placebo Q2WOL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: On-treatment Estimand-22.8 percent changeStandard Error 5.1
DB Period: Alirocumab Q2WOL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: On-treatment Estimand-25.8 percent changeStandard Error 4.9
DB Period: Placebo Q4WOL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: On-treatment Estimand-27.6 percent changeStandard Error 7.6
DB Period: Alirocumab Q4WOL Period: Percent Change in Low Density Lipoprotein Cholesterol From Baseline to Week 104: On-treatment Estimand-23.4 percent changeStandard Error 4.7

Source: ClinicalTrials.gov · Data processed: Feb 7, 2026