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A Study of Retatrutide (LY3437943) in Participants With Obesity and Cardiovascular Disease

A Randomized, Double-Blind, Phase 3 Study to Investigate the Efficacy and Safety of LY3437943 Once Weekly Compared to Placebo in Participants With Severe Obesity and Established Cardiovascular Disease

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05882045
Acronym
TRIUMPH-3
Enrollment
1946
Registered
2023-05-31
Start date
2023-05-30
Completion date
2026-05-14
Last updated
2026-07-30

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

Conditions

Cardiovascular Diseases, Obesity

Brief summary

The main purpose of this study is to evaluate the efficacy and safety of retatrutide once weekly in participants with obesity and established cardiovascular disease (CVD). The study will last about 113 weeks.

Interventions

DRUGRetatrutide

Administered SC

DRUGPlacebo

Administered SC

Sponsors

Eli Lilly and Company
Lead SponsorINDUSTRY

Study design

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

Eligibility

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

Inclusion criteria

* Have a body mass index (BMI) ≥35.0 kilogram/square meter (kg/m²). * Have established cardiovascular (CV) disease with at least 1 of the following: * prior myocardial infarction * prior ischemic or hemorrhagic stroke, or * symptomatic peripheral arterial disease * Have a history of at least 1 self-reported unsuccessful dietary effort to reduce body weight.

Exclusion criteria

* Have had acute myocardial infarction, stroke, coronary revascularization, hospitalization for unstable angina, or hospitalization due to congestive heart failure within 90 days prior to screening. * Have taken weight loss drugs, including over-the-counter medications, within 90 days prior to screening. * Have a prior or planned surgical treatment of obesity. * Have a change in body weight greater than 5 kg (11 pounds) within 90 days prior to screening. * Have Type 1 diabetes. * Have family or personal history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia syndrome type 2 (MEN-2) * Have had pancreatitis.

Design outcomes

Primary

MeasureTime frame
Percent Change from Baseline in Body WeightBaseline, Week 80

Secondary

MeasureTime frameDescription
Change from Baseline in Body Mass Index (BMI)Baseline, Week 80
Change from Baseline in Waist CircumferenceBaseline, Week 80
Percent Change from Baseline in Total CholesterolBaseline, Week 80
Percent Change from Baseline in TriglyceridesBaseline, Week 80
Change from Baseline in Systolic Blood Pressure (SBP)Baseline, Week 80
Change from Baseline in Diastolic Blood Pressure (DBP)Baseline, Week 80
Change from Baseline in Hemoglobin A1c (HbA1c)Baseline, Week 80
Percent Change from Baseline in Fasting InsulinBaseline, Week 80
Change from Baseline in Short Form version 2 (SF-36v2) Acute Form Physical Function Domain ScoreBaseline, Week 80
Pharmacokinetics (PK): Steady State Area Under the Concentration Time Cure (AUC)Baseline to Week 80AUC is presented as a single average measure of AUC across the study duration.

Countries

Argentina, Australia, Canada, Hungary, Mexico, Poland, Puerto Rico, Slovakia, Spain, United States

Contacts

STUDY_DIRECTORCall 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5 PM Eastern time (UTC/GMT - 5 hours, EST)

Eli Lilly and Company

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 31, 2026