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NCT06047548CompletedPhase 3

A Study of LY3298176 (Tirzepatide) For the Maintenance of Body Weight Reduction in Participants Who Have Obesity or Overweight With Weight-Related Comorbidities

A Phase 3b, Randomized Controlled Study to Evaluate the Efficacy and Safety of Tirzepatide Once Weekly 5 mg and/or Maximum Tolerated Dose Versus Placebo for Maintenance of Body Weight Reduction in Participants Who Have Obesity or Overweight With Weight-Related Comorbidities (SURMOUNT-MAINTAIN)

Source: ClinicalTrials.gov · Last updated 25 Mar 2026

Brief summary (registry, in English)

The main purpose of this study is to evaluate the efficacy and safety of tirzepatide for the maintenance of body weight reduction.

Status (registry)
Completed
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
441 (actual)
First submitted
14 Sept 2023
Start date
20 Sept 2023
Primary completion date
20 Jan 2026
Lead sponsor
Eli Lilly and Company
Diseases
Obesity
NCT number
NCT06047548

What you commit to

  • Study type: Interventional · Phase 3
  • Participants enrolled: 441
  • From 20 Sept 2023 to the primary completion date, 20 Jan 2026
  • 20 sites in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Have a self-reported change in BW\>5 kilogram (kg) within 3 months prior to screening
  • Have a prior or planned surgical treatment for obesity, excluding liposuction or abdominoplasty if performed \>1 year prior to screening.
  • Have any of the following cardiovascular conditions within 3 months prior to week 0.
    • Acute myocardial infarction, cerebrovascular accident (stroke), unstable angina, and hospitalization due to congestive heart failure (CHF)
    • family or personal history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia syndrome type 2 (MEN-2)

Other illness

  • Have Type 1 Diabetes (T1D) or Type 2 Diabetes (T2D), a history of ketoacidosis, or hyperosmolar state or coma.
  • Have a history of chronic or acute pancreatitis
  • History of significant active or unstable major depressive disorder (MDD) or other severe psychiatric disorder within the last 2 years
  • Any lifetime history of a suicide attempt

Who the study is looking for

  • Have a Body Mass Index (BMI) of ≥30 kilogram/square meter (kg/m²) or ≥27 kg/m² and previously diagnosed with at least 1 of the following weight related comorbidities:
    • Hypertension, dyslipidemia, obstructive sleep apnea, cardiovascular disease
  • Have a history of at least 1 self-reported unsuccessful dietary effort to lose body weight (BW)

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (20)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
The University of Texas Health Science Center at Houston
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BellaireUnited StatesUnknown status
WR-ClinSearch, LLC
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ChattanoogaUnited StatesUnknown status
Velocity Clinical Research, Dallas
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DallasUnited StatesUnknown status
Prime Health and Wellness/SKYCRNG
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FayetteUnited StatesUnknown status
Asha Clinical Research - Munster
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HammondUnited StatesUnknown status
East-West Medical Research Institute
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HonoluluUnited StatesUnknown status
Rocky Mountain Clinical Research
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Idaho FallsUnited StatesUnknown status
Velocity Clinical Research, Westlake
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Los AngelesUnited StatesUnknown status
L-MARC Research Center
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LouisvilleUnited StatesUnknown status
Southern Endocrinology Associates
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MesquiteUnited StatesUnknown status
New Horizon Research Center
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MiamiUnited StatesUnknown status
Alliance for Multispecialty Research, LLC
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NormanUnited StatesUnknown status
Oviedo Medical Research
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OviedoUnited StatesUnknown status
Cahaba Research - Pelham
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PelhamUnited StatesUnknown status
Pinnacle Clinical Research
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San AntonioUnited StatesUnknown status
Southern California Dermatology, Inc.
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Santa AnaUnited StatesUnknown status
Consano Clinical Research, LLC
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Shavano ParkUnited StatesUnknown status
Encompass Clinical Research
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Spring ValleyUnited StatesUnknown status
Rophe Adult and Pediatric Medicine/SKYCRNG
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Union CityUnited StatesUnknown status
Iowa Diabetes and Endocrinology Research Center
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West Des MoinesUnited StatesUnknown status

Related publications

This page is information, not medical advice. Discuss any trial with your doctor.