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A Study of Retatrutide (LY3437943) in Participants Without Type 2 Diabetes Who Have Obesity or Overweight

RECRUITINGPhase 3Sponsored by Eli Lilly and Company
Actively Recruiting
PhasePhase 3
SponsorEli Lilly and Company
Started2026-01-24
Est. completion2028-10
Eligibility
Age18 Years+
Healthy vol.Accepted
Locations20 sites

Summary

The purpose of this study is to investigate the efficacy and safety of different retatrutide dose escalation schemes in participants without type 2 diabetes who have obesity or overweight. Participation in the study will last about 113 weeks.

Eligibility

Age: 18 Years+Healthy volunteers accepted
Inclusion Criteria:

* Have a Body Mass Index (BMI) at screening

  * ≥ 30 kilogram per square meter (kg/m2) OR
  * ≥ 27 kg/m2 with presence of at least one of the following weight-related conditions at screening: high blood pressure, abnormal levels of lipid, obstructive sleep apnea, heart disease
* Have at least one unsuccessful attempt to lose weight by dieting

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 type 1 diabetes or type 2 diabetes
* 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:

  * heart attack
  * stroke
  * hospitalization for unstable angina or heart failure
* Have New York Heart Association Functional Classification Class IV congestive heart failure
* Have a history of chronic or acute pancreatitis
* Have taken weight loss drugs, including over-the counter medications within 90 days prior to screening

Conditions3

DiabetesObesityOverweight

Locations20 sites

Arizona Research Center
Phoenix, Arizona, 85053
602-863-6363
Care Access - Huntington Beach
Huntington Beach, California, 92648
714-378-2440
Los Angeles Institute for Metabolic Research
Los Angeles, California, 90015
213-373-8380
New Horizon Research Center
Miami, Florida, 33165
305-226-3933
Encore Medical Research - Weston
Weston, Florida, 33331
954-777-8827

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Trial data from ClinicalTrials.gov. Trial status and eligibility can change — verify directly with the study contact or on ClinicalTrials.gov.

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