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Clinical Trials/NCT06662383
NCT06662383
Active, not recruiting
Phase 3

A Phase 3, Randomized, Double-Blind Study to Evaluate the Efficacy and Safety of Retatrutide Compared to Tirzepatide in Adults Who Have Obesity

Eli Lilly and Company122 sites in 4 countries800 target enrollmentNovember 1, 2024

Overview

Phase
Phase 3
Intervention
Retatrutide
Conditions
Obesity
Sponsor
Eli Lilly and Company
Enrollment
800
Locations
122
Primary Endpoint
Percent Change from Baseline in Body Weight
Status
Active, not recruiting
Last Updated
19 days ago

Overview

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.

Registry
clinicaltrials.gov
Start Date
November 1, 2024
End Date
December 1, 2026
Last Updated
19 days ago
Study Type
Interventional
Study Design
Parallel
Sex
All

Investigators

Responsible Party
Sponsor

Eligibility Criteria

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

Arms & Interventions

Retatrutide

Participants will receive retatrutide administered subcutaneously (SC)

Intervention: Retatrutide

Tirzepatide

Participants will receive tirzepatide administered SC

Intervention: Tirzepatide

Outcomes

Primary Outcomes

Percent Change from Baseline in Body Weight

Time Frame: Baseline, Week 80

Secondary Outcomes

  • Change from Baseline in Body Mass Index (BMI)(Baseline, Week 80)
  • Change from Baseline in Waist Circumference(Baseline, Week 80)
  • Percent Change from Baseline in Total Cholesterol(Baseline, Week 80)
  • Percent Change from Baseline in Triglycerides(Baseline, 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 Insulin(Baseline, Week 80)
  • Change from Baseline in Impact of Weight on Quality of Life-Lite Clinical Trials Version (IWQOL-Lite-CT)(Baseline, Week 80)

Study Sites (122)

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