Skip to content

Efficacy and Safety of Efpeglenatide Versus Placebo in Patients With Type 2 Diabetes Mellitus Inadequately Controlled With Basal Insulin Alone or in Combination With Oral Antidiabetic Drug(s)

A 56-week, Multicenter, Double-blind, Placebo-controlled, Randomized Study to Evaluate the Efficacy and Safety of Efpeglenatide Once Weekly in Patients With Type 2 Diabetes Mellitus Inadequately Controlled With Basal Insulin Alone or in Combination With Oral Antidiabetic Drug(s)

Status
Terminated
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03713684
Acronym
AMPLITUDE-L
Enrollment
370
Registered
2018-10-22
Start date
2018-11-09
Completion date
2021-01-04
Last updated
2021-12-02

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

Conditions

Type 2 Diabetes Mellitus

Brief summary

Primary Objective: To demonstrate the superiority of once weekly injection of efpeglenatide in comparison to placebo in glycated hemoglobin (HbA1c) change in participants with type 2 diabetes mellitus (T2DM) inadequately controlled with basal insulin alone or in combination with oral antidiabetic drugs (OADs). Secondary Objectives: * To demonstrate the superiority of once weekly injection of efpeglenatide in comparison to placebo on glycemic control. * To demonstrate the superiority of once weekly injection of efpeglenatide in comparison to placebo on body weight. * To evaluate the safety of once weekly injection of efpeglenatide.

Detailed description

Study duration per participant was approximately 64 weeks including an up to 2-week Screening Period, a 30-week Core Treatment Period, a 26-week Safety Extension Period, and a 6-week safety Follow-up Period.

Interventions

Pharmaceutical form: solution for injection Route of administration: subcutaneous

DRUGPlacebo

Pharmaceutical form: solution for injection Route of administration: subcutaneous

Lantus (Insulin Glargine), SC, once daily; OADs, administered as per investigator prescription and in accordance with local labeling.

Sponsors

Hanmi Pharmaceutical Company Limited
CollaboratorINDUSTRY
Sanofi
Lead SponsorINDUSTRY

Study design

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

Eligibility

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

Inclusion criteria

* Participant must be greater than or equal to (\>=)18 years of age at the time of signing the informed consent. * Participants with T2DM. * Diabetes diagnosed at least 1 year before screening. * Participants on basal insulin regimen alone or in combination with OADs for at least 6 months prior to screening. * HbA1c between 7.0 percent (%) and 10.0% (inclusive) measured by the central laboratory at screening.

Exclusion criteria

* History of severe hypoglycemia requiring emergency room admission or hospitalization within 3 months prior to screening. * Retinopathy or maculopathy with one of the following treatments, either recent (within 3 months prior to screening) or planned: intravitreal injections or laser or vitrectomy surgery. * Clinically relevant history of gastrointestinal disease associated with prolonged nausea and vomiting, including (but not limited to) gastroparesis, unstable and not controlled gastroesophageal reflux disease requiring medical treatment within 6 months prior to screening. * History of pancreatitis (unless pancreatitis was related to gallstones and cholecystectomy has been performed), pancreatitis during previous treatment with incretin therapies, chronic pancreatitis, pancreatectomy. * Personal or family history of medullary thyroid cancer (MTC) or genetic conditions that predispose to MTC (e.g., multiple endocrine neoplasia syndromes). * Body weight change of \>=5 kilograms within the last 3 months prior to screening. * Systolic blood pressure greater than (\>)180 millimetres of mercury (mmHg) and/or diastolic blood pressure \>100 mmHg at randomization. * End-stage renal disease as defined by estimated glomerular filtration rate (by Modification of Diet in Renal Disease) of less than 15 mL/min/1.73 m\^2. * Laboratory findings at the screening Visit: * Alanine aminotransferase or aspartate aminotransferase \>3 \* upper limit of normal (ULN) or total bilirubin \>1.5\*ULN (except in case of documented Gilbert's syndrome); * Amylase and/or lipase: \>3\*ULN; * Calcitonin \>=5.9 picomoles per liter (pmol/L) (20 picograms per milliliter \[pg/mL\]). * Gastric surgery or other gastric procedures intended for weight loss within 2 years prior to screening, or planned during study period. * Pregnant (confirmed by serum pregnancy test at screening) or breast-feeding women. * Women of childbearing potential not willing to use highly effective method(s) of birth control or who were unwilling to be tested for pregnancy during the study period and for at least 5 weeks after the last dose of study intervention. 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 frame
Change From Baseline to Week 30 in HbA1cBaseline to Week 30

Secondary

MeasureTime frameDescription
Change From Baseline to Week 56 in HbA1cBaseline to Week 56This analysis included Week 56 assessment performed per protocol as well as premature end of treatment/study visit recorded as Week 56 due to early termination.
Change From Baseline to Week 30 in Fasting Plasma Glucose (FPG)Baseline to Week 30
Number of Participants With HbA1c <7.0% at Week 30Week 30Participants who had no available assessment for HbA1c at Week 30 were considered as non-responders.
Number of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], and Severe Hypoglycemia)Baseline up to Week 56Documented symptomatic hypoglycemia was an event during which typical symptoms of hypoglycemia were accompanied by a measured plasma glucose concentration of \<54 mg/dL (\<3.0 mmol/L). Severe hypoglycemia was an event requiring assistance of another person to actively administer carbohydrate, glucagon, or other resuscitative actions.
Number of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-YearBaseline up to Week 56Documented symptomatic hypoglycemia was an event during which typical symptoms of hypoglycemia were accompanied by a measured plasma glucose concentration of \<54 mg/dL (\<3.0 mmol/L). Severe hypoglycemia was an event requiring assistance of another person to actively administer carbohydrate, glucagon, or other resuscitative actions.
Change From Baseline to Week 30 and Week 56 in Body WeightBaseline to Week 30 and Week 56This analysis included Week 56 assessment performed per protocol as well as premature end of treatment/study visit recorded as Week 56 due to early termination.

Countries

China, South Korea, United States

Participant flow

Recruitment details

The study was conducted at 47 active sites in 3 countries. A total of 540 participants were screened between 09 November 2018 and 02 September 2020, out of which 170 were screen failures. Screen failures were mainly due to inclusion criteria not met.

Pre-assignment details

A total of 370 participants were randomized in 1:1:1:1 ratio to either placebo, efpeglenatide 2 milligrams (mg), efpeglenatide 4 mg, or efpeglenatide 6 mg treatment arms, stratified by screening glycated hemoglobin (HbA1c) values (less than \[\<\]8%, greater than or equal to \[\>=\]8%) and sulfonylurea (SU) use at screening (Yes/No).

Participants by arm

ArmCount
Placebo
Participants received placebo (matched to efpeglenatide) SC injection once weekly up to Week 56 on top of basal insulin alone or in combination with OADs.
92
Efpeglenatide 2 mg
Participants received Efpeglenatide 2 mg SC injection once weekly up to Week 56 on top of basal insulin alone or in combination with OADs.
92
Efpeglenatide 4 mg
Participants received Efpeglenatide 4 mg SC injection once weekly up to Week 56 on top of basal insulin alone or in combination with OADs. Participants initiated dosing at 2 mg once weekly up to Week 1; which was up titrated to 4 mg and maintained at the 4 mg dose through-out the treatment duration up to Week 56.
93
Efpeglenatide 6 mg
Participants received Efpeglenatide 6 mg SC injection once weekly up to Week 56 on top of basal insulin alone or in combination with OADs. Participants initiated dosing at 2 mg once weekly up to Week 1; which was up titrated to 4 mg until Week 4 and later up-titrated to 6 mg and maintained at the 6 mg dose through-out the treatment duration up to Week 56.
93
Total370

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003
Overall StudyAdverse Event1310
Overall StudyOther than specified69777370
Overall StudyPoor compliance to protocol2101
Overall StudyWithdrawal by Subject1461416

Baseline characteristics

CharacteristicPlaceboEfpeglenatide 2 mgEfpeglenatide 4 mgEfpeglenatide 6 mgTotal
Age, Continuous58.9 years
STANDARD_DEVIATION 10.7
59.1 years
STANDARD_DEVIATION 10.7
60.6 years
STANDARD_DEVIATION 11.5
61.6 years
STANDARD_DEVIATION 10.3
60.1 years
STANDARD_DEVIATION 10.8
Baseline Glycated Hemoglobin (HbA1c %)8.54 percentage of HbA1c
STANDARD_DEVIATION 0.83
8.42 percentage of HbA1c
STANDARD_DEVIATION 0.79
8.46 percentage of HbA1c
STANDARD_DEVIATION 0.79
8.40 percentage of HbA1c
STANDARD_DEVIATION 0.72
8.46 percentage of HbA1c
STANDARD_DEVIATION 0.78
Body Mass Index (BMI)30.1 kilogram per square meter (kg/m^2)
STANDARD_DEVIATION 5.6
31.1 kilogram per square meter (kg/m^2)
STANDARD_DEVIATION 6.1
30.0 kilogram per square meter (kg/m^2)
STANDARD_DEVIATION 6.6
31.0 kilogram per square meter (kg/m^2)
STANDARD_DEVIATION 7.1
30.6 kilogram per square meter (kg/m^2)
STANDARD_DEVIATION 6.4
Race/Ethnicity, Customized
Asian
36 Participants33 Participants30 Participants34 Participants133 Participants
Race/Ethnicity, Customized
Black or African American
9 Participants9 Participants10 Participants8 Participants36 Participants
Race/Ethnicity, Customized
Other
2 Participants1 Participants1 Participants1 Participants5 Participants
Race/Ethnicity, Customized
Unknown
0 Participants0 Participants1 Participants0 Participants1 Participants
Race/Ethnicity, Customized
White
45 Participants49 Participants51 Participants50 Participants195 Participants
Sex: Female, Male
Female
49 Participants42 Participants42 Participants40 Participants173 Participants
Sex: Female, Male
Male
43 Participants50 Participants51 Participants53 Participants197 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
0 / 920 / 920 / 960 / 90
other
Total, other adverse events
25 / 9233 / 9242 / 9646 / 90
serious
Total, serious adverse events
9 / 927 / 925 / 9610 / 90

Outcome results

Primary

Change From Baseline to Week 30 in HbA1c

Time frame: Baseline to Week 30

Population: Analysis was performed on intent to treat (ITT) population which included all randomized participants, irrespective of compliance with the study protocol and procedures analyzed, according to the treatment group allocated by randomization. Here, Overall number of participants analyzed= participants evaluable for this outcome measure.

ArmMeasureValue (MEAN)Dispersion
PlaceboChange From Baseline to Week 30 in HbA1c-0.33 percentage of HbA1cStandard Deviation 1.09
Efpeglenatide 2 mgChange From Baseline to Week 30 in HbA1c-1.27 percentage of HbA1cStandard Deviation 0.95
Efpeglenatide 4 mgChange From Baseline to Week 30 in HbA1c-1.24 percentage of HbA1cStandard Deviation 0.96
Efpeglenatide 6 mgChange From Baseline to Week 30 in HbA1c-1.43 percentage of HbA1cStandard Deviation 0.94
Secondary

Change From Baseline to Week 30 and Week 56 in Body Weight

This analysis included Week 56 assessment performed per protocol as well as premature end of treatment/study visit recorded as Week 56 due to early termination.

Time frame: Baseline to Week 30 and Week 56

Population: Analysis was performed on ITT population. Here, Overall number of participants analyzed= participants evaluable for this outcome measure and 'number analyzed' = participants with available data for each specified row.

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboChange From Baseline to Week 30 and Week 56 in Body WeightWeek 300.29 kilogramsStandard Deviation 3.23
PlaceboChange From Baseline to Week 30 and Week 56 in Body WeightWeek 560.66 kilogramsStandard Deviation 3.22
Efpeglenatide 2 mgChange From Baseline to Week 30 and Week 56 in Body WeightWeek 56-2.39 kilogramsStandard Deviation 10.69
Efpeglenatide 2 mgChange From Baseline to Week 30 and Week 56 in Body WeightWeek 30-0.68 kilogramsStandard Deviation 3.63
Efpeglenatide 4 mgChange From Baseline to Week 30 and Week 56 in Body WeightWeek 56-1.77 kilogramsStandard Deviation 5.36
Efpeglenatide 4 mgChange From Baseline to Week 30 and Week 56 in Body WeightWeek 30-1.99 kilogramsStandard Deviation 3.13
Efpeglenatide 6 mgChange From Baseline to Week 30 and Week 56 in Body WeightWeek 56-2.85 kilogramsStandard Deviation 4.8
Efpeglenatide 6 mgChange From Baseline to Week 30 and Week 56 in Body WeightWeek 30-3.14 kilogramsStandard Deviation 3.19
Secondary

Change From Baseline to Week 30 in Fasting Plasma Glucose (FPG)

Time frame: Baseline to Week 30

Population: Analysis was performed on ITT population. Here, Overall number of participants analyzed= participants evaluable for this outcome measure.

ArmMeasureValue (MEAN)Dispersion
PlaceboChange From Baseline to Week 30 in Fasting Plasma Glucose (FPG)-0.41 millimoles per liter (mmol/L)Standard Deviation 3
Efpeglenatide 2 mgChange From Baseline to Week 30 in Fasting Plasma Glucose (FPG)-1.34 millimoles per liter (mmol/L)Standard Deviation 2.8
Efpeglenatide 4 mgChange From Baseline to Week 30 in Fasting Plasma Glucose (FPG)-1.33 millimoles per liter (mmol/L)Standard Deviation 3.52
Efpeglenatide 6 mgChange From Baseline to Week 30 in Fasting Plasma Glucose (FPG)-2.22 millimoles per liter (mmol/L)Standard Deviation 1.89
Secondary

Change From Baseline to Week 56 in HbA1c

This analysis included Week 56 assessment performed per protocol as well as premature end of treatment/study visit recorded as Week 56 due to early termination.

Time frame: Baseline to Week 56

Population: Analysis was performed on ITT population. Here, Overall number of participants analyzed= participants evaluable for this outcome measure.

ArmMeasureValue (MEAN)Dispersion
PlaceboChange From Baseline to Week 56 in HbA1c-0.32 percentage of HbA1cStandard Deviation 0.86
Efpeglenatide 2 mgChange From Baseline to Week 56 in HbA1c-1.08 percentage of HbA1cStandard Deviation 0.77
Efpeglenatide 4 mgChange From Baseline to Week 56 in HbA1c-1.23 percentage of HbA1cStandard Deviation 0.88
Efpeglenatide 6 mgChange From Baseline to Week 56 in HbA1c-1.16 percentage of HbA1cStandard Deviation 1.34
Secondary

Number of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-Year

Documented symptomatic hypoglycemia was an event during which typical symptoms of hypoglycemia were accompanied by a measured plasma glucose concentration of \<54 mg/dL (\<3.0 mmol/L). Severe hypoglycemia was an event requiring assistance of another person to actively administer carbohydrate, glucagon, or other resuscitative actions.

Time frame: Baseline up to Week 56

Population: Analysis was performed on safety population.

ArmMeasureGroupValue (NUMBER)
PlaceboNumber of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-YearDocumented symptomatic hypoglycemia (<54 mg/dL)0.07 events per participant-year
PlaceboNumber of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-YearSevere hypoglycemia0.09 events per participant-year
Efpeglenatide 2 mgNumber of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-YearSevere hypoglycemia0.05 events per participant-year
Efpeglenatide 2 mgNumber of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-YearDocumented symptomatic hypoglycemia (<54 mg/dL)0.27 events per participant-year
Efpeglenatide 4 mgNumber of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-YearDocumented symptomatic hypoglycemia (<54 mg/dL)0.45 events per participant-year
Efpeglenatide 4 mgNumber of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-YearSevere hypoglycemia0.05 events per participant-year
Efpeglenatide 6 mgNumber of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-YearDocumented symptomatic hypoglycemia (<54 mg/dL)0.46 events per participant-year
Efpeglenatide 6 mgNumber of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-YearSevere hypoglycemia0.04 events per participant-year
Secondary

Number of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], and Severe Hypoglycemia)

Documented symptomatic hypoglycemia was an event during which typical symptoms of hypoglycemia were accompanied by a measured plasma glucose concentration of \<54 mg/dL (\<3.0 mmol/L). Severe hypoglycemia was an event requiring assistance of another person to actively administer carbohydrate, glucagon, or other resuscitative actions.

Time frame: Baseline up to Week 56

Population: Analysis was performed on safety population.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], and Severe Hypoglycemia)Documented symptomatic hypoglycemia (<54 mg/dL)4 Participants
PlaceboNumber of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], and Severe Hypoglycemia)Severe hypoglycemia1 Participants
Efpeglenatide 2 mgNumber of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], and Severe Hypoglycemia)Severe hypoglycemia2 Participants
Efpeglenatide 2 mgNumber of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], and Severe Hypoglycemia)Documented symptomatic hypoglycemia (<54 mg/dL)8 Participants
Efpeglenatide 4 mgNumber of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], and Severe Hypoglycemia)Documented symptomatic hypoglycemia (<54 mg/dL)10 Participants
Efpeglenatide 4 mgNumber of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], and Severe Hypoglycemia)Severe hypoglycemia1 Participants
Efpeglenatide 6 mgNumber of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], and Severe Hypoglycemia)Documented symptomatic hypoglycemia (<54 mg/dL)9 Participants
Efpeglenatide 6 mgNumber of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], and Severe Hypoglycemia)Severe hypoglycemia2 Participants
Secondary

Number of Participants With HbA1c <7.0% at Week 30

Participants who had no available assessment for HbA1c at Week 30 were considered as non-responders.

Time frame: Week 30

Population: Analysis was performed on ITT population.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
PlaceboNumber of Participants With HbA1c <7.0% at Week 3010 Participants
Efpeglenatide 2 mgNumber of Participants With HbA1c <7.0% at Week 3032 Participants
Efpeglenatide 4 mgNumber of Participants With HbA1c <7.0% at Week 3028 Participants
Efpeglenatide 6 mgNumber of Participants With HbA1c <7.0% at Week 3040 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026