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Study of ISIS 678354 (AKCEA-APOCIII-LRx) in Participants With Hypertriglyceridemia and Established Cardiovascular Disease (CVD)

A Randomized, Double-blind, Placebo-Controlled, Dose-Ranging Phase 2 Study of ISIS 678354 Administered Subcutaneously to Patients With Hypertriglyceridemia and Established Cardiovascular Disease (CVD) or at a High Risk for CVD

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03385239
Enrollment
114
Registered
2017-12-28
Start date
2018-01-30
Completion date
2020-02-25
Last updated
2023-01-11

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

Conditions

Hypertriglyceridemia, Cardiovascular Diseases

Keywords

AKCEA-APOCIII-LRx, IONIS-APOCIII-LRx, Dyslipidemia, Metabolic Disease, Hyperlipidemia, Cardiac Disease, Lipid Metabolism Disorders, Triglycerides High, Vascular Diseases

Brief summary

This was a multicenter, randomized, double-blind, placebo-controlled, dose-ranging study to evaluate the safety, including tolerability, of ISIS 678354 and to assess the efficacy of different doses and dosing regimens of ISIS 678354 for reduction of serum triglyceride (TG) levels in participants with hypertriglyceridemia and established CVD or at a high risk for CVD.

Interventions

ISIS 678354 solution for SC injection.

DRUGPlacebo

Sterile Normal Saline (0.9% NaCl).

Sponsors

Ionis Pharmaceuticals, Inc.
CollaboratorINDUSTRY
Akcea Therapeutics
Lead SponsorINDUSTRY

Study design

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

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

Key Inclusion Criteria: * Clinical diagnosis of CVD (defined as documented coronary artery disease, stroke, or peripheral artery disease). * Fasting serum triglycerides (TG) greater than or equal to (≥) 200 milligrams per deciliter (mg/dL) (≥ 2.3 millimoles per liter (mmol/L)) and less than or equal to (≤) 500 mg/dL (≥ 5.7 mmol/L) at Screening. * Fasting TG ≥ 200 mg/dL and ≤ 500 mg/dL at Qualification visit. * Must be on standard-of-care preventative therapy for known CVD risk factors. Key

Exclusion criteria

* Within 6 months of Screening: acute coronary syndrome, major cardiac surgery, or stroke/transient ischemic attack (TIA). * Within 3 months of Screening: coronary, carotid, or peripheral arterial revascularization, major non-cardiac surgery, or lipoprotein apheresis. * Heart failure New York Heart Association (NYHA) class IV. * Type 1 diabetes mellitus. * Type 2 diabetes mellitus with any of the following: * Newly diagnosed within 12 weeks of Screening. * Glycated hemoglobin (HbA1c) ≥ 9.0% at Screening. * Recent change in anti-diabetic pharmacotherapy (change in dosage or addition of new medication within 12 weeks of Screening \[with the exception of ± 10 units of insulin\]. * Body Mass Index (BMI) greater than (\>) 40 kilograms per square meter (kg/m\^2).

Design outcomes

Primary

MeasureTime frameDescription
Percent Change From Baseline in Fasting Triglycerides (TG) at the Primary Analysis Time PointBaseline and Month 6 (Week 25 for Cohorts A and B and Week 27 for Cohorts C and D)An analysis of covariance (ANCOVA) model was performed on the log ratio of TG value at the Primary Analysis Time Point to TG value at Baseline. The estimate of the log ratio was converted back to the original scale and percent change was calculated using formula: (ratio of TG value at the Primary Analysis Time Point to TG value at Baseline - 1) × 100.
Number of Participants With Treatment-Emergent Adverse Events (TEAEs)Up to the 13-week post-treatment follow-up period (Up to approximately 15 months)An adverse event (AE) was defined as any unfavorable and unintended sign (including a clinically-significant abnormal laboratory finding, for example), symptom, or disease temporally associated with the study or use of investigational drug product, whether or not the AE was considered to be related to the investigational drug product. A TEAE was defined as any AE starting on or after the first dose of the study drug.

Secondary

MeasureTime frameDescription
Percentage of Participants Who Achieved Fasting Triglycerides (TG) <= 100 mg/dL (<= 1.13 mmol/L)Baseline and Month 6 (Week 25 for Cohorts A and B and Week 27 for Cohorts C and D)The percentage of participants who achieved \<= 100 mg/dL or \<= 1.13 mmol/L of fasting TG levels at the primary analysis time point were compared between each ISIS 678354 treatment group and pooled placebo group using a logistic regression model with log-transformed baseline TG value as a covariate.
Maximum Plasma Concentration (Cmax) of ISIS 678354Predose, 1, 2, 4, 8, 24 hours post the first dose (Day 1), Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)
Percent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointBaseline and Month 6 (Week 25 for Cohorts A and B and Week 27 for Cohorts C and D)An ANCOVA model was performed on the log ratio of Primary Analysis Time Point value to Baseline value for ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I. The estimate of the log ratio was converted back to the original scale and percent change for each lipid parameter was calculated using formula: (ratio of Primary Analysis Time Point value to Baseline value - 1) × 100.
Area Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours (AUC0-24) of ISIS 678354Predose, 1, 2, 4, 8, 24 hours post the first dose (Day 1), Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)
Time to Reach Maximum Plasma Concentration (Tmax) of ISIS 678354Predose, 1, 2, 4, 8, 24 hours post the first dose (Day 1), Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)
Percentage of Participants Who Achieved Fasting Triglycerides (TG) <= 150 mg/dL (<= 1.7 Millimoles Per Liter [mmol/L])Baseline and Month 6 (Week 25 for Cohorts A and B and Week 27 for Cohorts C and D)The percentage of participants who achieved \<= 150 mg/dL or \<= 1.7 mmol/L of fasting TG levels at the primary analysis time point were compared between each ISIS 678354 treatment group and pooled placebo group using a logistic regression model with log-transformed baseline TG value as a covariate.

Countries

Canada, United States

Participant flow

Recruitment details

Participants with a clinical diagnosis of hypertriglyceridemia and established cardiovascular disease (CVD) or at high risk for CVD were enrolled in 32 study sites in United States and Canada between 30 January 2018 to 25 February 2020.

Pre-assignment details

114 participants were randomized in a 1:1:1:1 ratio to Cohorts A, B, C or D. In each cohort, participants were randomized in a 4:1 ratio to receive ISIS 678354 or placebo. Placebo participants from all cohorts were pooled for analysis and presented as the pooled placebo group.

Participants by arm

ArmCount
Pooled Placebo
Participants in each cohort were randomized to receive placebo at a dose-matched volume of study drug (ISIS 678354).
24
Cohort A: ISIS 678354: 10 mg Q4W
Cohort A participants received 10 mg ISIS 678354, SC injection, Q4W, for up to 49 weeks and a maximum of 13 doses.
22
Cohort C: ISIS 678354: 15 mg Q2W
Cohort C participants received 15 mg ISIS 678354, SC injection, Q2W for up to 51 weeks and a maximum of 26 doses.
23
Cohort D: ISIS 678354: 10 mg QW
Cohort D participants received 10 mg ISIS 678354, SC injection, QW for up to 52 weeks and a maximum of 52 doses.
23
Cohort B: ISIS 678354: 50 mg Q4W
Cohort B participants received 50 mg ISIS 678354, SC injection, once Q4W for up to 49 weeks and a maximum of 13 doses.
22
Total114

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003FG004
Overall StudyAdverse Event00100
Overall StudyOther00010
Overall StudyVoluntary Withdrawal23230

Baseline characteristics

CharacteristicTotalCohort B: ISIS 678354: 50 mg Q4WCohort D: ISIS 678354: 10 mg QWCohort A: ISIS 678354: 10 mg Q4WCohort C: ISIS 678354: 15 mg Q2WPooled Placebo
Age, Continuous65.3 years
STANDARD_DEVIATION 8.1
62.9 years
STANDARD_DEVIATION 7.4
65.6 years
STANDARD_DEVIATION 8.48
64.4 years
STANDARD_DEVIATION 9.13
68.9 years
STANDARD_DEVIATION 6.82
64.6 years
STANDARD_DEVIATION 7.93
Apolipoprotein A1 (ApoA-I)131.9 mg/dL
STANDARD_DEVIATION 20.14
136.3 mg/dL
STANDARD_DEVIATION 23.07
132.5 mg/dL
STANDARD_DEVIATION 22.95
130.2 mg/dL
STANDARD_DEVIATION 19.15
129.0 mg/dL
STANDARD_DEVIATION 16.69
131.4 mg/dL
STANDARD_DEVIATION 19.28
Apolipoprotein B (ApoB)83.9 mg/dL
STANDARD_DEVIATION 18.65
88.5 mg/dL
STANDARD_DEVIATION 14.29
86.8 mg/dL
STANDARD_DEVIATION 19.62
79.6 mg/dL
STANDARD_DEVIATION 16.55
87.9 mg/dL
STANDARD_DEVIATION 20.6
77.1 mg/dL
STANDARD_DEVIATION 19.71
Apolipoprotein CIII (ApoC-III)16.205 mg/dL
STANDARD_DEVIATION 4.0466
15.669 mg/dL
STANDARD_DEVIATION 3.2484
16.810 mg/dL
STANDARD_DEVIATION 4.2021
16.030 mg/dL
STANDARD_DEVIATION 4.1482
15.849 mg/dL
STANDARD_DEVIATION 4.2456
16.618 mg/dL
STANDARD_DEVIATION 4.472
Ethnicity (NIH/OMB)
Hispanic or Latino
7 Participants0 Participants1 Participants3 Participants2 Participants1 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
107 Participants22 Participants22 Participants19 Participants21 Participants23 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Fasting Triglycerides (TG)284.4 milligrams per deciliter (mg/dL)
STANDARD_DEVIATION 85.16
268.4 milligrams per deciliter (mg/dL)
STANDARD_DEVIATION 85.08
292.3 milligrams per deciliter (mg/dL)
STANDARD_DEVIATION 89.29
281.6 milligrams per deciliter (mg/dL)
STANDARD_DEVIATION 73.43
284.8 milligrams per deciliter (mg/dL)
STANDARD_DEVIATION 94.54
293.8 milligrams per deciliter (mg/dL)
STANDARD_DEVIATION 86.68
HDL Cholesterol (HDL-C)34.8 mg/dL
STANDARD_DEVIATION 9.16
36.8 mg/dL
STANDARD_DEVIATION 10.54
34.8 mg/dL
STANDARD_DEVIATION 8.61
34.1 mg/dL
STANDARD_DEVIATION 9.07
33.9 mg/dL
STANDARD_DEVIATION 9.48
34.6 mg/dL
STANDARD_DEVIATION 8.61
LDL Cholesterol (LDL-C)67.4 mg/dL
STANDARD_DEVIATION 27.02
74.8 mg/dL
STANDARD_DEVIATION 22.47
71.2 mg/dL
STANDARD_DEVIATION 30.24
62.4 mg/dL
STANDARD_DEVIATION 22.57
73.1 mg/dL
STANDARD_DEVIATION 29.73
55.9 mg/dL
STANDARD_DEVIATION 26.06
Non-HDL Cholesterol (Non-HDL-C)121.9 mg/dL
STANDARD_DEVIATION 30.52
130.1 mg/dL
STANDARD_DEVIATION 31.02
125.3 mg/dL
STANDARD_DEVIATION 32.09
115.1 mg/dL
STANDARD_DEVIATION 28.93
129.2 mg/dL
STANDARD_DEVIATION 33.32
110.3 mg/dL
STANDARD_DEVIATION 23.96
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
1 Participants0 Participants0 Participants0 Participants0 Participants1 Participants
Race (NIH/OMB)
Black or African American
4 Participants2 Participants0 Participants1 Participants0 Participants1 Participants
Race (NIH/OMB)
More than one race
3 Participants2 Participants0 Participants1 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
106 Participants18 Participants23 Participants20 Participants23 Participants22 Participants
Sex: Female, Male
Female
28 Participants7 Participants5 Participants8 Participants4 Participants4 Participants
Sex: Female, Male
Male
86 Participants15 Participants18 Participants14 Participants19 Participants20 Participants
Total Cholesterol (TC)156.7 mg/dL
STANDARD_DEVIATION 32.66
166.8 mg/dL
STANDARD_DEVIATION 35.3
160.0 mg/dL
STANDARD_DEVIATION 34.55
149.2 mg/dL
STANDARD_DEVIATION 28.81
163.1 mg/dL
STANDARD_DEVIATION 35.09
144.8 mg/dL
STANDARD_DEVIATION 26
VLDL Cholesterol (VLDL-C)54.9 mg/dL
STANDARD_DEVIATION 17.51
55.2 mg/dL
STANDARD_DEVIATION 26.84
54.1 mg/dL
STANDARD_DEVIATION 11.8
54.0 mg/dL
STANDARD_DEVIATION 10.99
56.1 mg/dL
STANDARD_DEVIATION 21.45
54.9 mg/dL
STANDARD_DEVIATION 12.71

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
deaths
Total, all-cause mortality
0 / 240 / 221 / 230 / 230 / 22
other
Total, other adverse events
16 / 2415 / 2219 / 2320 / 2322 / 22
serious
Total, serious adverse events
2 / 243 / 224 / 231 / 233 / 22

Outcome results

Primary

Number of Participants With Treatment-Emergent Adverse Events (TEAEs)

An adverse event (AE) was defined as any unfavorable and unintended sign (including a clinically-significant abnormal laboratory finding, for example), symptom, or disease temporally associated with the study or use of investigational drug product, whether or not the AE was considered to be related to the investigational drug product. A TEAE was defined as any AE starting on or after the first dose of the study drug.

Time frame: Up to the 13-week post-treatment follow-up period (Up to approximately 15 months)

Population: Safety set included all participants who were randomized and received at least 1 dose of study drug (ISIS 678354 or placebo).

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Pooled PlaceboNumber of Participants With Treatment-Emergent Adverse Events (TEAEs)20 Participants
Cohort A: ISIS 678354: 10 mg Q4WNumber of Participants With Treatment-Emergent Adverse Events (TEAEs)17 Participants
Cohort C: ISIS 678354: 15 mg Q2WNumber of Participants With Treatment-Emergent Adverse Events (TEAEs)20 Participants
Cohort D: ISIS 678354: 10 mg QWNumber of Participants With Treatment-Emergent Adverse Events (TEAEs)22 Participants
Cohort B: ISIS 678354: 50 mg Q4WNumber of Participants With Treatment-Emergent Adverse Events (TEAEs)21 Participants
Primary

Percent Change From Baseline in Fasting Triglycerides (TG) at the Primary Analysis Time Point

An analysis of covariance (ANCOVA) model was performed on the log ratio of TG value at the Primary Analysis Time Point to TG value at Baseline. The estimate of the log ratio was converted back to the original scale and percent change was calculated using formula: (ratio of TG value at the Primary Analysis Time Point to TG value at Baseline - 1) × 100.

Time frame: Baseline and Month 6 (Week 25 for Cohorts A and B and Week 27 for Cohorts C and D)

Population: FAS included all participants who were randomized and received at least 1 dose of study drug (ISIS 678354 or placebo). Here, 'Number analyzed' ('n') = Participants evaluable for this outcome measure at the specified timepoint.

ArmMeasureValue (MEAN)
Pooled PlaceboPercent Change From Baseline in Fasting Triglycerides (TG) at the Primary Analysis Time Point6 percent change
Cohort A: ISIS 678354: 10 mg Q4WPercent Change From Baseline in Fasting Triglycerides (TG) at the Primary Analysis Time Point-23 percent change
Cohort C: ISIS 678354: 15 mg Q2WPercent Change From Baseline in Fasting Triglycerides (TG) at the Primary Analysis Time Point-56 percent change
Cohort D: ISIS 678354: 10 mg QWPercent Change From Baseline in Fasting Triglycerides (TG) at the Primary Analysis Time Point-60 percent change
Cohort B: ISIS 678354: 50 mg Q4WPercent Change From Baseline in Fasting Triglycerides (TG) at the Primary Analysis Time Point-60 percent change
p-value: 0.004295% CI: [-41, -10]ANCOVA
p-value: <0.000195% CI: [-66, -48]ANCOVA
p-value: <0.000195% CI: [-70, -54]ANCOVA
p-value: <0.000195% CI: [-69, -53]ANCOVA
Secondary

Area Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours (AUC0-24) of ISIS 678354

Time frame: Predose, 1, 2, 4, 8, 24 hours post the first dose (Day 1), Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)

Population: PK subgroup: Subset of participants who were randomized, received \>= 1 dose of ISIS 678354, had \>= 1 evaluable concentration result post first dose and had additional PK sampling after dose administration on Day 1 and Week 21 (Cohorts A and B) or Week 25 (Cohorts C and D). 'Number analyzed' = participants evaluable for this outcome measure at specified time points.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Pooled PlaceboArea Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours (AUC0-24) of ISIS 678354Day 1618 nanograms*hours per milliliter (ng*h/mL)Geometric Coefficient of Variation 115.6
Pooled PlaceboArea Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours (AUC0-24) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)468 nanograms*hours per milliliter (ng*h/mL)Geometric Coefficient of Variation 258.4
Cohort A: ISIS 678354: 10 mg Q4WArea Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours (AUC0-24) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)499 nanograms*hours per milliliter (ng*h/mL)Geometric Coefficient of Variation 11.2
Cohort A: ISIS 678354: 10 mg Q4WArea Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours (AUC0-24) of ISIS 678354Day 1499 nanograms*hours per milliliter (ng*h/mL)Geometric Coefficient of Variation 31.1
Cohort C: ISIS 678354: 15 mg Q2WArea Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours (AUC0-24) of ISIS 678354Day 1411 nanograms*hours per milliliter (ng*h/mL)Geometric Coefficient of Variation 59
Cohort C: ISIS 678354: 15 mg Q2WArea Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours (AUC0-24) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)454 nanograms*hours per milliliter (ng*h/mL)Geometric Coefficient of Variation 26.3
Cohort D: ISIS 678354: 10 mg QWArea Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours (AUC0-24) of ISIS 678354Day 1563 nanograms*hours per milliliter (ng*h/mL)Geometric Coefficient of Variation 334.6
Cohort D: ISIS 678354: 10 mg QWArea Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours (AUC0-24) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)1460 nanograms*hours per milliliter (ng*h/mL)Geometric Coefficient of Variation 13.6
Secondary

Maximum Plasma Concentration (Cmax) of ISIS 678354

Time frame: Predose, 1, 2, 4, 8, 24 hours post the first dose (Day 1), Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)

Population: Pharmacokinetic (PK) subgroup: Subset of participants who were randomized, received at least (\>=) 1 dose of ISIS 678354, had \>= 1 evaluable concentration result post first dose and had additional PK sampling after dose administration on Day 1 and Week 21 (Cohorts A and B) or Week 25 (Cohorts C and D). 'Number analyzed' = participants evaluable for this outcome measure at specified time points.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Pooled PlaceboMaximum Plasma Concentration (Cmax) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)41.0 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 324.1
Pooled PlaceboMaximum Plasma Concentration (Cmax) of ISIS 678354Day 153.7 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 181.2
Cohort A: ISIS 678354: 10 mg Q4WMaximum Plasma Concentration (Cmax) of ISIS 678354Day 145.9 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 36.2
Cohort A: ISIS 678354: 10 mg Q4WMaximum Plasma Concentration (Cmax) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)48.0 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 29.9
Cohort C: ISIS 678354: 15 mg Q2WMaximum Plasma Concentration (Cmax) of ISIS 678354Day 135.8 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 71.1
Cohort C: ISIS 678354: 15 mg Q2WMaximum Plasma Concentration (Cmax) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)45.1 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 47.4
Cohort D: ISIS 678354: 10 mg QWMaximum Plasma Concentration (Cmax) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)127 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 29.9
Cohort D: ISIS 678354: 10 mg QWMaximum Plasma Concentration (Cmax) of ISIS 678354Day 148.8 nanograms per milliliter (ng/mL)Geometric Coefficient of Variation 333.3
Secondary

Percentage of Participants Who Achieved Fasting Triglycerides (TG) <= 100 mg/dL (<= 1.13 mmol/L)

The percentage of participants who achieved \<= 100 mg/dL or \<= 1.13 mmol/L of fasting TG levels at the primary analysis time point were compared between each ISIS 678354 treatment group and pooled placebo group using a logistic regression model with log-transformed baseline TG value as a covariate.

Time frame: Baseline and Month 6 (Week 25 for Cohorts A and B and Week 27 for Cohorts C and D)

Population: FAS included all participants who were randomized and received at least 1 dose of study drug (ISIS 678354 or placebo).

ArmMeasureValue (NUMBER)
Pooled PlaceboPercentage of Participants Who Achieved Fasting Triglycerides (TG) <= 100 mg/dL (<= 1.13 mmol/L)0 percentage of participants
Cohort A: ISIS 678354: 10 mg Q4WPercentage of Participants Who Achieved Fasting Triglycerides (TG) <= 100 mg/dL (<= 1.13 mmol/L)0 percentage of participants
Cohort C: ISIS 678354: 15 mg Q2WPercentage of Participants Who Achieved Fasting Triglycerides (TG) <= 100 mg/dL (<= 1.13 mmol/L)30.4 percentage of participants
Cohort D: ISIS 678354: 10 mg QWPercentage of Participants Who Achieved Fasting Triglycerides (TG) <= 100 mg/dL (<= 1.13 mmol/L)26.1 percentage of participants
Cohort B: ISIS 678354: 50 mg Q4WPercentage of Participants Who Achieved Fasting Triglycerides (TG) <= 100 mg/dL (<= 1.13 mmol/L)45.5 percentage of participants
p-value: 0.911995% CI: [0.02, 69.88]Regression, Logistic
p-value: 0.030695% CI: [1.36, 542.48]Regression, Logistic
p-value: 0.034495% CI: [1.27, 514.2]Regression, Logistic
p-value: 0.012395% CI: [2.28, 866.49]Regression, Logistic
Secondary

Percentage of Participants Who Achieved Fasting Triglycerides (TG) <= 150 mg/dL (<= 1.7 Millimoles Per Liter [mmol/L])

The percentage of participants who achieved \<= 150 mg/dL or \<= 1.7 mmol/L of fasting TG levels at the primary analysis time point were compared between each ISIS 678354 treatment group and pooled placebo group using a logistic regression model with log-transformed baseline TG value as a covariate.

Time frame: Baseline and Month 6 (Week 25 for Cohorts A and B and Week 27 for Cohorts C and D)

Population: FAS included all participants who were randomized and received at least 1 dose of study drug (ISIS 678354 or placebo).

ArmMeasureValue (NUMBER)
Pooled PlaceboPercentage of Participants Who Achieved Fasting Triglycerides (TG) <= 150 mg/dL (<= 1.7 Millimoles Per Liter [mmol/L])4.2 percentage of participants
Cohort A: ISIS 678354: 10 mg Q4WPercentage of Participants Who Achieved Fasting Triglycerides (TG) <= 150 mg/dL (<= 1.7 Millimoles Per Liter [mmol/L])13.6 percentage of participants
Cohort C: ISIS 678354: 15 mg Q2WPercentage of Participants Who Achieved Fasting Triglycerides (TG) <= 150 mg/dL (<= 1.7 Millimoles Per Liter [mmol/L])65.2 percentage of participants
Cohort D: ISIS 678354: 10 mg QWPercentage of Participants Who Achieved Fasting Triglycerides (TG) <= 150 mg/dL (<= 1.7 Millimoles Per Liter [mmol/L])73.9 percentage of participants
Cohort B: ISIS 678354: 50 mg Q4WPercentage of Participants Who Achieved Fasting Triglycerides (TG) <= 150 mg/dL (<= 1.7 Millimoles Per Liter [mmol/L])90.9 percentage of participants
p-value: 0.259195% CI: [0.41, 27.2]Regression, Logistic
p-value: <0.000195% CI: [9.54, 740.02]Regression, Logistic
p-value: <0.000195% CI: [20.31, 5130.99]Regression, Logistic
p-value: <0.000195% CI: [23.72, 4933.89]Regression, Logistic
Secondary

Percent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time Point

An ANCOVA model was performed on the log ratio of Primary Analysis Time Point value to Baseline value for ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I. The estimate of the log ratio was converted back to the original scale and percent change for each lipid parameter was calculated using formula: (ratio of Primary Analysis Time Point value to Baseline value - 1) × 100.

Time frame: Baseline and Month 6 (Week 25 for Cohorts A and B and Week 27 for Cohorts C and D)

Population: FAS included all participants who were randomized and received at least 1 dose of study drug (ISIS 678354 or placebo). Here, 'Number analyzed' ('n') = Participants evaluable for this outcome measure for each specified category.

ArmMeasureGroupValue (MEAN)
Pooled PlaceboPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApo-C III2 percent change
Pooled PlaceboPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointTC1 percent change
Pooled PlaceboPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointLDL-C-2 percent change
Pooled PlaceboPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointHDL-C-1 percent change
Pooled PlaceboPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointNon-HDL-C1 percent change
Pooled PlaceboPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointVLDL-C-2 percent change
Pooled PlaceboPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApoB-2 percent change
Pooled PlaceboPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApoA-10 percent change
Cohort A: ISIS 678354: 10 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointLDL-C5 percent change
Cohort A: ISIS 678354: 10 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointVLDL-C-22 percent change
Cohort A: ISIS 678354: 10 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApo-C III-29 percent change
Cohort A: ISIS 678354: 10 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointHDL-C11 percent change
Cohort A: ISIS 678354: 10 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointTC-2 percent change
Cohort A: ISIS 678354: 10 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApoA-15 percent change
Cohort A: ISIS 678354: 10 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointNon-HDL-C-6 percent change
Cohort A: ISIS 678354: 10 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApoB0 percent change
Cohort C: ISIS 678354: 15 mg Q2WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApoB-17 percent change
Cohort C: ISIS 678354: 15 mg Q2WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApoA-114 percent change
Cohort C: ISIS 678354: 15 mg Q2WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointHDL-C33 percent change
Cohort C: ISIS 678354: 15 mg Q2WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointVLDL-C-54 percent change
Cohort C: ISIS 678354: 15 mg Q2WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointLDL-C2 percent change
Cohort C: ISIS 678354: 15 mg Q2WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointTC-12 percent change
Cohort C: ISIS 678354: 15 mg Q2WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApo-C III-68 percent change
Cohort C: ISIS 678354: 15 mg Q2WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointNon-HDL-C-24 percent change
Cohort D: ISIS 678354: 10 mg QWPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointTC-3 percent change
Cohort D: ISIS 678354: 10 mg QWPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointLDL-C27 percent change
Cohort D: ISIS 678354: 10 mg QWPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointHDL-C40 percent change
Cohort D: ISIS 678354: 10 mg QWPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointNon-HDL-C-15 percent change
Cohort D: ISIS 678354: 10 mg QWPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointVLDL-C-59 percent change
Cohort D: ISIS 678354: 10 mg QWPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApoA-118 percent change
Cohort D: ISIS 678354: 10 mg QWPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApo-C III-73 percent change
Cohort D: ISIS 678354: 10 mg QWPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApoB-7 percent change
Cohort B: ISIS 678354: 50 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointHDL-C29 percent change
Cohort B: ISIS 678354: 50 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApoA-114 percent change
Cohort B: ISIS 678354: 50 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointLDL-C10 percent change
Cohort B: ISIS 678354: 50 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApoB-12 percent change
Cohort B: ISIS 678354: 50 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointApo-C III-74 percent change
Cohort B: ISIS 678354: 50 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointVLDL-C-60 percent change
Cohort B: ISIS 678354: 50 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointTC-8 percent change
Cohort B: ISIS 678354: 50 mg Q4WPercent Change From Baseline in ApoC-III, TC, LDL-C, HDL-C, Non-HDL-C, VLDL-C, ApoB, and ApoA-I at the Primary Analysis Time PointNon-HDL-C-19 percent change
Comparison: HDL-Cp-value: <0.000195% CI: [28, 57]ANCOVA
Comparison: ApoC IIIp-value: 0.012395% CI: [-47, -8]ANCOVA
Comparison: Apo-C IIIp-value: <0.000195% CI: [-76, -58]ANCOVA
Comparison: Apo-C IIIp-value: <0.000195% CI: [-80, -65]ANCOVA
Comparison: Apo-C IIIp-value: <0.000195% CI: [-80, -66]ANCOVA
Comparison: TCp-value: 0.56895% CI: [-11, 7]ANCOVA
Comparison: TCp-value: 0.00895% CI: [-19, -3]ANCOVA
Comparison: TCp-value: 0.447695% CI: [-12, 6]ANCOVA
Comparison: TCp-value: 0.060695% CI: [-16, 0]ANCOVA
Comparison: LDL-Cp-value: 0.450995% CI: [-10, 26]ANCOVA
Comparison: LDL-Cp-value: 0.674695% CI: [-12, 23]ANCOVA
Comparison: LDL-Cp-value: 0.003295% CI: [9, 53]ANCOVA
Comparison: LDL-Cp-value: 0.199695% CI: [-6, 32]ANCOVA
Comparison: HDL-Cp-value: 0.037395% CI: [1, 24]ANCOVA
Comparison: HDL-Cp-value: <0.000195% CI: [21, 49]ANCOVA
Comparison: HDL-Cp-value: <0.000195% CI: [18, 44]ANCOVA
Comparison: Non-HDL-Cp-value: 0.282695% CI: [-18, 6]ANCOVA
Comparison: Non-HDL-Cp-value: <0.000195% CI: [-34, -14]ANCOVA
Comparison: Non-HDL-Cp-value: 0.011895% CI: [-26, -4]ANCOVA
Comparison: Non-HDL-Cp-value: 0.000995% CI: [-29, -9]ANCOVA
Comparison: VLDL-Cp-value: 0.008695% CI: [-34, -6]ANCOVA
Comparison: VLDL-Cp-value: <0.000195% CI: [-60, -44]ANCOVA
Comparison: VLDL-Cp-value: <0.000195% CI: [-64, -50]ANCOVA
Comparison: VLDL-Cp-value: <0.000195% CI: [-66, -52]ANCOVA
Comparison: ApoBp-value: 0.680195% CI: [-7, 13]ANCOVA
Comparison: ApoBp-value: 0.000795% CI: [-24, -7]ANCOVA
Comparison: ApoBp-value: 0.318395% CI: [-14, 5]ANCOVA
Comparison: ApoBp-value: 0.02495% CI: [-19, -1]ANCOVA
Comparison: ApoA-Ip-value: 0.093695% CI: [-1, 11]ANCOVA
Comparison: ApoA-Ip-value: <0.000195% CI: [8, 21]ANCOVA
Comparison: ApoA-Ip-value: <0.000195% CI: [11, 25]ANCOVA
Comparison: ApoA-Ip-value: <0.000195% CI: [7, 20]ANCOVA
Secondary

Time to Reach Maximum Plasma Concentration (Tmax) of ISIS 678354

Time frame: Predose, 1, 2, 4, 8, 24 hours post the first dose (Day 1), Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)

Population: PK subgroup: Subset of participants who were randomized, received \>= 1 dose of ISIS 678354, had \>= 1 evaluable concentration result post first dose and had additional PK sampling after dose administration on Day 1 and Week 21 (Cohorts A and B) or Week 25 (Cohorts C and D). 'Number analyzed' = participants evaluable for this outcome measure at specified time points.

ArmMeasureGroupValue (MEDIAN)
Pooled PlaceboTime to Reach Maximum Plasma Concentration (Tmax) of ISIS 678354Day 11.08 hours (h)
Pooled PlaceboTime to Reach Maximum Plasma Concentration (Tmax) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)2.00 hours (h)
Cohort A: ISIS 678354: 10 mg Q4WTime to Reach Maximum Plasma Concentration (Tmax) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)2.08 hours (h)
Cohort A: ISIS 678354: 10 mg Q4WTime to Reach Maximum Plasma Concentration (Tmax) of ISIS 678354Day 12.00 hours (h)
Cohort C: ISIS 678354: 15 mg Q2WTime to Reach Maximum Plasma Concentration (Tmax) of ISIS 678354Day 13.03 hours (h)
Cohort C: ISIS 678354: 15 mg Q2WTime to Reach Maximum Plasma Concentration (Tmax) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)2.50 hours (h)
Cohort D: ISIS 678354: 10 mg QWTime to Reach Maximum Plasma Concentration (Tmax) of ISIS 678354Day 11.50 hours (h)
Cohort D: ISIS 678354: 10 mg QWTime to Reach Maximum Plasma Concentration (Tmax) of ISIS 678354Week 21 (for Cohorts A and B) and Week 25 (for Cohorts C and D)4.04 hours (h)

Source: ClinicalTrials.gov · Data processed: Mar 2, 2026