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A Study of Retatrutide (LY3437943) Compared to Tirzepatide (LY3298176) in Adults Who Have Obesity

Phase 3
Active, not recruiting
Conditions
Obesity
Interventions
Registration Number
NCT06662383
Lead Sponsor
Eli Lilly and Company
Brief Summary

The main purpose of this study is to evaluate the efficacy and safety of retatrutide compared to tirzepatide in adults who have obesity. The study will last about 89 weeks.

Detailed Description

Not available

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
800
Inclusion Criteria
  • Have obesity and a history of at least one self-reported unsuccessful dietary effort to reduce body weight.
Exclusion Criteria
  • Have a self-reported change in body weight >5 kilograms (kg) (11 pounds) within 90 days before screening.

  • Have a prior or planned surgical treatment for obesity.

  • Have a prior or planned endoscopic procedure and/or device-based therapy for obesity.

  • Have taken weight loss drugs, including over-the-counter medications, within 90 days prior to screening.

  • Have a family or personal history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia syndrome type 2 (MEN-2).

  • Have had within the past 90 days before screening:

    • acute myocardial infarction
    • cerebrovascular accident (stroke)
    • coronary revascularization
    • hospitalization for unstable angina, or
    • hospitalization due to congestive heart failure.
  • Have New York Heart Association Functional Classification Class IV congestive heart failure.

  • Have a history of chronic or acute pancreatitis.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
TirzepatideTirzepatideParticipants will receive tirzepatide administered SC
RetatrutideRetatrutideParticipants will receive retatrutide administered subcutaneously (SC)
Primary Outcome Measures
NameTimeMethod
Percent Change from Baseline in Body WeightBaseline, Week 80
Secondary Outcome Measures
NameTimeMethod
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 Impact of Weight on Quality of Life-Lite Clinical Trials Version (IWQOL-Lite-CT)Baseline, Week 80

Trial Locations

Locations (65)

Medical Advancement Centers of Arizona

🇺🇸

Tempe, Arizona, United States

Mary & Dick Allen Diabetes Center

🇺🇸

Newport Beach, California, United States

Artemis Institute for Clinical Research

🇺🇸

San Diego, California, United States

Encompass Clinical Research

🇺🇸

Spring Valley, California, United States

Diablo Clinical Research, Inc.

🇺🇸

Walnut Creek, California, United States

Lynn Institute of Denver

🇺🇸

Aurora, Colorado, United States

Bridgeport Hospital

🇺🇸

Bridgeport, Connecticut, United States

Yale University School of Medicine

🇺🇸

New Haven, Connecticut, United States

Encore Medical Research

🇺🇸

Hollywood, Florida, United States

Suncoast Research Group

🇺🇸

Miami, Florida, United States

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Medical Advancement Centers of Arizona
🇺🇸Tempe, Arizona, United States

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