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
Sites (20)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| The University of Texas Health Science Center at Houston Coordinator of this site? Confirm its status | Bellaire | United States | Unknown status |
| WR-ClinSearch, LLC Coordinator of this site? Confirm its status | Chattanooga | United States | Unknown status |
| Velocity Clinical Research, Dallas Coordinator of this site? Confirm its status | Dallas | United States | Unknown status |
| Prime Health and Wellness/SKYCRNG Coordinator of this site? Confirm its status | Fayette | United States | Unknown status |
| Asha Clinical Research - Munster Coordinator of this site? Confirm its status | Hammond | United States | Unknown status |
| East-West Medical Research Institute Coordinator of this site? Confirm its status | Honolulu | United States | Unknown status |
| Rocky Mountain Clinical Research Coordinator of this site? Confirm its status | Idaho Falls | United States | Unknown status |
| Velocity Clinical Research, Westlake Coordinator of this site? Confirm its status | Los Angeles | United States | Unknown status |
| L-MARC Research Center Coordinator of this site? Confirm its status | Louisville | United States | Unknown status |
| Southern Endocrinology Associates Coordinator of this site? Confirm its status | Mesquite | United States | Unknown status |
| New Horizon Research Center Coordinator of this site? Confirm its status | Miami | United States | Unknown status |
| Alliance for Multispecialty Research, LLC Coordinator of this site? Confirm its status | Norman | United States | Unknown status |
| Oviedo Medical Research Coordinator of this site? Confirm its status | Oviedo | United States | Unknown status |
| Cahaba Research - Pelham Coordinator of this site? Confirm its status | Pelham | United States | Unknown status |
| Pinnacle Clinical Research Coordinator of this site? Confirm its status | San Antonio | United States | Unknown status |
| Southern California Dermatology, Inc. Coordinator of this site? Confirm its status | Santa Ana | United States | Unknown status |
| Consano Clinical Research, LLC Coordinator of this site? Confirm its status | Shavano Park | United States | Unknown status |
| Encompass Clinical Research Coordinator of this site? Confirm its status | Spring Valley | United States | Unknown status |
| Rophe Adult and Pediatric Medicine/SKYCRNG Coordinator of this site? Confirm its status | Union City | United States | Unknown status |
| Iowa Diabetes and Endocrinology Research Center Coordinator of this site? Confirm its status | West Des Moines | United States | Unknown status |
Related publications
This page is information, not medical advice. Discuss any trial with your doctor.