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NCT03684642: AMPLITUDE-D

Efficacy and Safety of Efpeglenatide Versus Dulaglutide in Patients With Type 2 Diabetes Mellitus Inadequately Controlled With Metformin

Terminated Phase 3 Results posted Last updated 1 November 2021
What this trial tests

Phase 3 trial testing Efpeglenatide in Type 2 Diabetes Mellitus in 908 participants. Terminated before completion.

Timeline
26 September 2018
Primary endpoint
13 October 2020
17 November 2020

Quick facts

Lead sponsorSanofi
PhasePhase 3
StatusTerminated
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingnone
Primary purposetreatment
Enrollment908
Start date26 September 2018
Primary completion13 October 2020
Estimated completion17 November 2020
Sites45 locations across Ukraine, Poland, United States, Hungary

Drugs / interventions tested

Conditions studied

Sponsor

Sanofi — full company profile →

Who can join

18 and older, any sex, with Type 2 Diabetes Mellitus. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Change From Baseline to Week 56 in HbA1c Primary · Baseline to Week 56

Adjusted Least square (LS) means and Standard errors (SE) were obtained from analysis of covariance (ANCOVA) model to account for missing data. Missing values were imputed by baseline observation carried forward (BOCF)-like multiple imputation method.

GroupValue95% CI
Efpeglenatide 4 mg-1.12± 0.06
Efpeglenatide 6 mg-1.17± 0.06
Dulaglutide 1.5 mg-1.09± 0.06
Change From Baseline to Week 56 in Body Weight Secondary · Baseline to Week 56

Adjusted LS means and SE were obtained from ANCOVA model to account for missing data. Missing values were imputed by BOCF-like multiple imputation method.

GroupValue95% CI
Efpeglenatide 4 mg-2.87± 0.64
Efpeglenatide 6 mg-3.04± 0.67
Dulaglutide 1.5 mg-2.81± 0.66
Number of Participants With HbA1c < 7.0 % Secondary · Week 56

Participants who had no available assessment for HbA1c at Week 56 were considered as non-responders.

GroupValue95% CI
Efpeglenatide 4 mg155
Efpeglenatide 6 mg157
Dulaglutide 1.5 mg150
Change From Baseline to Week 56 in Fasting Plasma Glucose (FPG) Secondary · Baseline to Week 56

Adjusted LS means and SE were obtained from ANCOVA model to account for missing data. Missing values were imputed by BOCF-like multiple imputation method.

GroupValue95% CI
Efpeglenatide 4 mg-1.81± 0.15
Efpeglenatide 6 mg-1.57± 0.15
Dulaglutide 1.5 mg-1.71± 0.15
Number of Participants With At Least One Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL], Severe Hypoglycemia) Secondary · Baseline up to Week 56

Documented symptomatic hypoglycemia was an event during which typical symptoms of hypoglycemia were accompanied by a measured plasma glucose concentration of \<54 milligrams per deciliter (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.

Documented symptomatic hypoglycemia (<54 mg/dL)
GroupValue95% CI
Efpeglenatide 4 mg3
Efpeglenatide 6 mg1
Dulaglutide 1.5 mg0
Severe hypoglycemia
GroupValue95% CI
Efpeglenatide 4 mg0
Efpeglenatide 6 mg0
Dulaglutide 1.5 mg0
Number of Hypoglycemic Events (Documented Symptomatic Hypoglycemia <3.0 mmol/L [<54 mg/dL] and Severe Hypoglycemia) Per Participant-Year Secondary · Baseline up to Week 56

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.

Documented symptomatic hypoglycemia (<54 mg/dL)
GroupValue95% CI
Efpeglenatide 4 mg0.01
Efpeglenatide 6 mg0.01
Dulaglutide 1.5 mg0
Severe hypoglycemia
GroupValue95% CI
Efpeglenatide 4 mg0
Efpeglenatide 6 mg0
Dulaglutide 1.5 mg0

Adverse events — posted to ClinicalTrials.gov

Time frame: All Adverse Events (AEs) were collected from signature of the informed consent up to end of study. Time frame for reporting of treatment emergent adverse events (TEAEs) was from first dose up to 30 days after the last injection of the Investigational Medicinal Product (IMP) (Week 60).. Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Efpeglenatide 4 mg
Serious: 20/313 (6%)
Deaths: 0/313
Efpeglenatide 6 mg
Serious: 23/292 (8%)
Deaths: 0/292
Dulaglutide 1.5 mg
Serious: 20/302 (7%)
Deaths: 1/302

Serious adverse events (62 terms)

ReactionSystemEfpeglenatide 4 mgEfpeglenatide 6 mgDulaglutide 1.5 mg
Acute Myocardial InfarctionCardiac disorders
Atrial FibrillationCardiac disorders
Atrioventricular Block CompleteCardiac disorders
Coronary Artery DiseaseCardiac disorders
Pulmonary EmbolismRespiratory, thoracic and mediastinal disorders
CholelithiasisHepatobiliary disorders
Covid-19 PneumoniaInfections and infestations
Cholecystitis InfectiveInfections and infestations
DiverticulitisInfections and infestations
Escherichia Urinary Tract InfectionInfections and infestations
GangreneInfections and infestations
GastroenteritisInfections and infestations
PneumoniaInfections and infestations
SepsisInfections and infestations
SialoadenitisInfections and infestations
Staphylococcal InfectionInfections and infestations
Benign Salivary Gland NeoplasmNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Colon Cancer MetastaticNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Malignant MelanomaNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Meningioma BenignNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Papillary Renal Cell CarcinomaNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Renal NeoplasmNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Spinal Meningioma BenignNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Iron Deficiency AnaemiaBlood and lymphatic system disorders
DehydrationMetabolism and nutrition disorders
Other adverse events (11 terms — click to expand)

ReactionSystemEfpeglenatide 4 mgEfpeglenatide 6 mgDulaglutide 1.5 mg
DiarrhoeaGastrointestinal disorders
NauseaGastrointestinal disorders
Decreased AppetiteMetabolism and nutrition disorders
VomitingGastrointestinal disorders
ConstipationGastrointestinal disorders
Abdominal PainGastrointestinal disorders
Lipase IncreasedInvestigations
DyspepsiaGastrointestinal disorders
Abdominal Pain UpperGastrointestinal disorders
Upper Respiratory Tract InfectionInfections and infestations
DizzinessNervous system disorders

Most-reported serious reactions: Acute Myocardial Infarction, Atrial Fibrillation, Atrioventricular Block Complete, Coronary Artery Disease, Pulmonary Embolism, Cholelithiasis, Covid-19 Pneumonia, Cholecystitis Infective.

Data from ClinicalTrials.gov NCT03684642 adverse events section.

Sponsor's own description

Primary Objective: To demonstrate the non-inferiority of once weekly injection of efpeglenatide in comparison to once weekly injection of dulaglutide on glycated hemoglobin (HbA1c) change in participants with Type 2 diabetes mellitus (T2DM) inadequately controlled with metformin. Secondary Objectives: * To demonstrate the superiority of once weekly injection of efpeglenatide with once weekly injection of dulaglutide on glycemic control. * To demonstrate the superiority of once weekly injection of efpeglenatide with once weekly injection of dulaglutide on body weight. * To evaluate the safety of once weekly injection of efpeglenatide and once weekly injection of dulaglutide.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

  1. Leveraging the Gut to Treat Metabolic Disease.
    Gimeno RE, Briere DA, Seeley RJ. · · 2020 · cited 62× · PMID 32187525 · DOI 10.1016/j.cmet.2020.02.014

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