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RecruitingObesityOverweightChronic Low Back Pain (CLBP)

A Study of Retatrutide (LY3437943) in Participants Who Have Obesity or Overweight and Chronic Low Back Pain

Eligible age

18+ yrs

Accepts

All genders

Locations

14 states

Healthy volunteers

No

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About this study

The main purpose of this study is to evaluate the efficacy and safety of retatrutide in relieving chronic low back pain in participants who have obesity or overweight. Participation in the study will last about 80 weeks.

Sponsor: Eli Lilly and Company

You may qualify if…

  • Have a history of axial-predominant low back pain
  • Have pain that is restricted to the low back or with a referral pattern limited to the proximal legs
  • Have a body mass index (BMI) ≥27 kilograms per square meter (kg/m2) at screening
  • Have a history of at least 1 self-reported unsuccessful dietary effort to lose body weight

You may not qualify if…

  • Have a non-axial origin low back pain
  • Have had botulinum or steroid injections to the spine within 1 year of screening
  • Have had trigger point injection to the spine within 6 months of screening
  • Have a self-reported change in body weight \>5 kilograms (kg) (11 pounds) within 90 days prior to screening
  • Have been taking drugs to promote body weight reduction, including over-the-counter medications, within 90 days prior to screening
  • Have a prior or planned surgical treatment for obesity
  • Have Type 1 Diabetes, Type 2 Diabetes, or any other type of diabetes

Where it's recruiting

Arizona

Chandler · Tucson

California

Fountain Valley · Fullerton · Los Angeles · San Diego

Colorado

Boulder

Florida

Daytona Beach · Miami · St. Petersburg · Tampa

Kansas

Topeka

Louisiana

Lake Charles

Michigan

Bay City

Missouri

Springfield

North Carolina

Winston-Salem

Pennsylvania

Duncansville

Tennessee

Knoxville

Source: ClinicalTrials.gov · NCT07035093 · last updated 2026-05-20