NCT07153471Active, not recruitingPhase 3
A Study of Orforglipron (LY3502970) in Participants With Obesity or Overweight and Osteoarthritis (OA) of the Knee
A Phase 3 Study to Investigate the Efficacy and Safety of Orforglipron Once Daily in Participants Who Have Obesity or Overweight and Osteoarthritis of the Knee: A Multicenter, Randomized, Double-Blind, Parallel-Arm, Placebo-Controlled Trial
Source: ClinicalTrials.gov · Last updated 8 Oct 2026
Brief summary (registry, in English)
The GZPT master protocol will support two independent studies, J2A-MC-GZT1 and J2A-MC-GZT2. Each study will see how well and safely orforglipron works in people with obesity or overweight who have osteoarthritis (OA) of the knee with pain. Participation in the study will last about 74 weeks.
- Status (registry)
- Active, not recruiting
- Phase (registry)
- Phase 3
- Study type
- Interventional
- Enrollment
- 800 (estimated)
- First submitted
- 2 Sept 2025
- Start date
- Sept 2025
- Primary completion date
- Apr 2028
- Lead sponsor
- Eli Lilly and Company
- Diseases
- Obesity
- NCT number
- NCT07153471
- EU CT number
- 2025-522631-34-00
What you commit to
- Study type: Interventional · Phase 3
- Planned participants: 800
- From Sept 2025 to the primary completion date, Apr 2028
- 87 sites in 7 countries
- 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 gained or lost more than 11 pounds within 90 days prior to screening
- Have had a surgery for obesity or plan to have one in the next 18 months
- Have used any glucagon-like peptide-1 (GLP-1) receptor agonist medication within 180 days of screening
Other illness
- Have an active knee infection
- Have type 1 diabetes, type 2 diabetes, or any other type of diabetes
- Have had a recent heart condition or New York Heart Association Functional Classification Class IV congestive heart failure
Who the study is looking for
- Have a body mass index (BMI) of 27 kilograms per square meter (kg/m2) or higher at screening
- Have tried at least once to lose weight through diet but were unsuccessful
- Have osteoarthritis of the knee and at least one of the following conditions:
- Be over 50 years old
- Have morning knee stiffness that lasts about 30 minutes
- Have a crackling or grinding sound or feeling in the knee
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (87)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Aggarwal and Associates Limited Coordinator of this site? Confirm its status | Brampton | Canada | Unknown status |
| Diex Recherche Inc. Division Joliette Coordinator of this site? Confirm its status | Joliette | Canada | Unknown status |
| Your Research Network Coordinator of this site? Confirm its status | Niagara Falls | Canada | Unknown status |
| G.R.M.O. (Groupe de recherche en maladies osseuses) Inc. Coordinator of this site? Confirm its status | Québec | Canada | Unknown status |
| Alpha Recherche Clinique Coordinator of this site? Confirm its status | Québec | Canada | Unknown status |
| Bluewater Clinical Research Group Inc. Coordinator of this site? Confirm its status | Sarnia | Canada | Unknown status |
| Winterberry Research Inc. Coordinator of this site? Confirm its status | Stoney Creek | Canada | Unknown status |
| The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technolo -T Coordinator of this site? Confirm its status | Baotou | China | Unknown status |
| Xuanwu Hospital, Capital Medical University Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| The Second Affiliated Hospital Chongqing Medical University Coordinator of this site? Confirm its status | Chongqing | China | Unknown status |
| The Fourth Affiliated Hospital of Harbin Medical University Coordinator of this site? Confirm its status | Harbin | China | Unknown status |
| The Second People's Hospital of Hefei Coordinator of this site? Confirm its status | Hefei | China | Unknown status |
| Jinan Central Hospital Coordinator of this site? Confirm its status | Jinan | China | Unknown status |
| The First Affiliated Hospital of Henan University of Science &Technology Coordinator of this site? Confirm its status | Luoyang | China | Unknown status |
| Nanjing First Hospital Coordinator of this site? Confirm its status | Nanjing | China | Unknown status |
| Nanjing Medical University - Nanjing Jiangning Hospital Coordinator of this site? Confirm its status | Nanjing | China | Unknown status |
| Jiangsu Province Hospital Coordinator of this site? Confirm its status | Nanjing | China | Unknown status |
| Pingxiang People's Hospital Coordinator of this site? Confirm its status | Pingxiang | China | Unknown status |
| The First Hospital of Qinhuangdao Coordinator of this site? Confirm its status | Qinhuangdao Shi | China | Unknown status |
| Huashan Hospital, Fudan University Coordinator of this site? Confirm its status | Shanghai | China | Unknown status |
| the First Affiliated Hospital of Shantou University Medical College Coordinator of this site? Confirm its status | Shantou | China | Unknown status |
| The University of Hong Kong-Shenzhen Hospital Coordinator of this site? Confirm its status | Shenzhen | China | Unknown status |
| Taizhou Hospital of Zhejiang Province Coordinator of this site? Confirm its status | Taizhou | China | Unknown status |
| Siteworks GmbH - Bochum Coordinator of this site? Confirm its status | Bochum | Germany | Unknown status |
| Klinische Forschung Dresden Coordinator of this site? Confirm its status | Dresden | Germany | Unknown status |
| HRF II - Hamburger Rheuma Forschungszentrum II MVZ für Rheumatologie und Autoimmunmedizin Hamburg GmbH / -T Coordinator of this site? Confirm its status | Hamburg | Germany | Unknown status |
| Pratia - Hamburg Coordinator of this site? Confirm its status | Hamburg | Germany | Unknown status |
| Pratia - Hannover Coordinator of this site? Confirm its status | Hanover | Germany | Unknown status |
| Siteworks GmbH Hannover Coordinator of this site? Confirm its status | Hanover | Germany | Unknown status |
| Klinische Forschung Karlsruhe Coordinator of this site? Confirm its status | Karlsruhe | Germany | Unknown status |
| Siteworks - Karlsruhe Coordinator of this site? Confirm its status | Karlsruhe | Germany | Unknown status |
| AmBeNet GmbH Coordinator of this site? Confirm its status | Leipzig | Germany | Unknown status |
| CDG Studienambulanz Hartard Coordinator of this site? Confirm its status | München | Germany | Unknown status |
| Dedicated Research Site FutureMeds Coordinator of this site? Confirm its status | Offenbach | Germany | Unknown status |
| Private Practice - Dr. Jochen Walter Coordinator of this site? Confirm its status | Rendsburg | Germany | Unknown status |
| Universitaetsklinikum Wuerzburg Coordinator of this site? Confirm its status | Würzburg | Germany | Unknown status |
| Hospital San Rafael - La Coruña Coordinator of this site? Confirm its status | A Coruña | Spain | Unknown status |
| Hospital Universitari Vall d'Hebron Coordinator of this site? Confirm its status | Barcelona | Spain | Unknown status |
| Hospital Quirón Málaga Coordinator of this site? Confirm its status | Málaga | Spain | Unknown status |
| Hospital Universitario Marqués de Valdecilla Coordinator of this site? Confirm its status | Santander | Spain | Unknown status |
| Clínica Gaias - Santiago Coordinator of this site? Confirm its status | Santiago de Compostela | Spain | Unknown status |
| Hospital Quiron Infanta Luisa Coordinator of this site? Confirm its status | Seville | Spain | Unknown status |
| Clínica nuevas Tecnologías en Diabetes y Endocrinología (NTDE) Coordinator of this site? Confirm its status | Seville | Spain | Unknown status |
| Hospital Clínico Universitario de Valladolid Coordinator of this site? Confirm its status | Valladolid | Spain | Unknown status |
| Fukuoka Wajiro Hospital Coordinator of this site? Confirm its status | Fukuoka | Japan | Unknown status |
| Hamanomachi Hospital Coordinator of this site? Confirm its status | Fukuoka | Japan | Unknown status |
| Shimane University Hospital Coordinator of this site? Confirm its status | Izumo | Japan | Unknown status |
| Kariya Toyota General Hospital Coordinator of this site? Confirm its status | Kariya | Japan | Unknown status |
| Ando Orthopedic Coordinator of this site? Confirm its status | Kawasaki | Japan | Unknown status |
| Tokyo Saiseikai Central Hospital Coordinator of this site? Confirm its status | Minatoku | Japan | Unknown status |
| Goto Orthopedic Surgery Clinic Coordinator of this site? Confirm its status | Miyazaki | Japan | Unknown status |
| Kato Orthopedic Clinic Coordinator of this site? Confirm its status | Morioka | Japan | Unknown status |
| Japan Community Health Care Organization Saitama Medical Center Coordinator of this site? Confirm its status | Saitama | Japan | Unknown status |
| Sapporo Maruyama Orthopedic Hospital Coordinator of this site? Confirm its status | Sapporo | Japan | Unknown status |
| Masumoto Orthopedics Clinic Coordinator of this site? Confirm its status | Suginami City | Japan | Unknown status |
| Investigacion y Biomedicina de Chihuahua Coordinator of this site? Confirm its status | Chihuahua City | Mexico | Unknown status |
| Centro de Estudios de Investigacion Metabolicos y Cardiovasculares, S.C. Coordinator of this site? Confirm its status | Ciudad Madero | Mexico | Unknown status |
| Köhler & Milstein Research S.A. de C.V. Coordinator of this site? Confirm its status | Mérida | Mexico | Unknown status |
| Centro Medico del Angel Coordinator of this site? Confirm its status | Mexicali | Mexico | Unknown status |
| Clínica García Flores SC Coordinator of this site? Confirm its status | Monterrey | Mexico | Unknown status |
| IMED Internal Medicine Clin Trials Coordinator of this site? Confirm its status | Monterrey | Mexico | Unknown status |
| University Orthopedics Center Coordinator of this site? Confirm its status | Altoona | United States | Unknown status |
| Northwest Clinical Research Center Coordinator of this site? Confirm its status | Bellevue | United States | Unknown status |
| Charlottesville Medical Research Coordinator of this site? Confirm its status | Charlottesville | United States | Unknown status |
| Northwestern University Coordinator of this site? Confirm its status | Chicago | United States | Unknown status |
| StudyMetrix Research Coordinator of this site? Confirm its status | City of Saint Peters | United States | Unknown status |
| Legacy Clinical Trials Coordinator of this site? Confirm its status | Colorado Springs | United States | Unknown status |
| Mercy Family Clinic Coordinator of this site? Confirm its status | Dallas | United States | Unknown status |
| Care Access - Decatur Coordinator of this site? Confirm its status | Decatur | United States | Unknown status |
| Juno Research Coordinator of this site? Confirm its status | Houston | United States | Unknown status |
| Biopharma Informatic, LLC Coordinator of this site? Confirm its status | Houston | United States | Unknown status |
| Care Access - Huntington Beach Coordinator of this site? Confirm its status | Huntington Beach | United States | Unknown status |
| AMR Clinical Coordinator of this site? Confirm its status | Kansas City | United States | Unknown status |
| Activian Clinical Research Coordinator of this site? Confirm its status | Kingwood | United States | Unknown status |
| AMR Clinical Coordinator of this site? Confirm its status | Knoxville | United States | Unknown status |
| AMR Clinical Coordinator of this site? Confirm its status | Newton | United States | Unknown status |
| Arizona Research Center Coordinator of this site? Confirm its status | Phoenix | United States | Unknown status |
| Care Access - Rapid City Coordinator of this site? Confirm its status | Rapid City | United States | Unknown status |
| Carolina Research Center Coordinator of this site? Confirm its status | Shelby | United States | Unknown status |
| Cardio Metabolic Institute Coordinator of this site? Confirm its status | Somerset | United States | Unknown status |
| AMR Clinical Coordinator of this site? Confirm its status | Tempe | United States | Unknown status |
| Advanced Rheumatology of Houston - Woodlands Coordinator of this site? Confirm its status | The Woodlands | United States | Unknown status |
| Care Access - Thousand Oaks Coordinator of this site? Confirm its status | Thousand Oaks | United States | Unknown status |
| Gershon Pain Specialists Coordinator of this site? Confirm its status | Virginia Beach | United States | Unknown status |
| MedVadis Research Corporation Coordinator of this site? Confirm its status | Waltham | United States | Unknown status |
| Chase Medical Research, LLC Coordinator of this site? Confirm its status | Waterbury | United States | Unknown status |
| North Georgia Clinical Research Coordinator of this site? Confirm its status | Woodstock | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.