NCT05872620CompletedPhase 3
A Study of Orforglipron in Adult Participants With Obesity or Overweight and Type 2 Diabetes
A Phase 3, Randomized, Double-Blind Study to Investigate the Efficacy and Safety of Once-Daily Oral LY3502970 Compared With Placebo in Adult Participants With Obesity or Overweight and Type 2 Diabetes (ATTAIN-2)
Source: ClinicalTrials.gov · Last updated 4 Sept 2026
Brief summary (registry, in English)
This study will investigate the safety and efficacy of once daily oral treatment with orforglipron compared with placebo on body weight in adult participants with obesity or overweight and type 2 diabetes. The study will last about 77 weeks and may include up to 22 visits.
- Status (registry)
- Completed
- Phase (registry)
- Phase 3
- Study type
- Interventional
- Enrollment
- 1613 (actual)
- First submitted
- 15 May 2023
- Start date
- 5 Jun 2023
- Primary completion date
- 8 Aug 2025
- Lead sponsor
- Eli Lilly and Company
- Diseases
- Obesity, Type 2 diabetes
- NCT number
- NCT05872620
- EU CT number
- 2022-502837-24-00
What you commit to
- Study type: Interventional · Phase 3
- Participants enrolled: 1613
- From 5 Jun 2023 to the primary completion date, 8 Aug 2025
- 137 sites in 11 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 a self-reported change in body weight \>5 kg (11 pounds) within 90 days prior to screening.
- Are currently receiving or planning to receive treatment for diabetic retinopathy and/or macular edema (for example, laser photocoagulation or intravitreal injections of anti-vascular endothelial growth factor inhibitors).
Other illness
- Have Type 1 Diabetes (T1D), history of ketoacidosis or hyperosmolar state/coma, or any other types of diabetes except T2D.
- Have family (first-degree relative) or personal history of medullary thyroid cancer (MTC) or multiple endocrine neoplasia 2 (MEN2) syndrome.
- Have had a history of chronic or acute pancreatitis.
Who the study is looking for
- Have a body mass index (BMI) ≥27.0 kilogram/square meter (kg/m²).
- Have a history of at least 1 self-reported unsuccessful dietary effort to lose body weight.
- Have a diagnosis of Type 2 Diabetes (T2D), with HbA1c ≥7% (≥53 mmol/mol) to ≤10% (86 mmol/mol) and are on stable treatment for T2D for at least 90 days prior to screening, consisting of:
- either diet/exercise alone or
- up to 3 oral antihyperglycemic medications (excluding dipeptidyl peptidase IV inhibitors (DPP-4i) or glucagon-like peptide-1 (GLP-1) receptor agonists (RA).
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (137)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Mautalen Salud e Investigación Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| CONEXA Investigacion Clinica S.A. Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| CEMEDIAB Coordinator of this site? Confirm its status | C.a.b.a. | Argentina | Unknown status |
| Instituto Centenario Coordinator of this site? Confirm its status | CABA | Argentina | Unknown status |
| Centro Diabetológico Dr. Waitman Coordinator of this site? Confirm its status | Córdoba | Argentina | Unknown status |
| Clínica Universitaria Reina Fabiola Coordinator of this site? Confirm its status | Córdoba | Argentina | Unknown status |
| Instituto de Investigaciones Clinicas Rosario Coordinator of this site? Confirm its status | Rosario | Argentina | Unknown status |
| Instituto Médico Fundación Grupo Colaborativo Rosario Investigación y Prevención Medica Coordinator of this site? Confirm its status | Rosario | Argentina | Unknown status |
| Centro de Investigaciones Médicas Tucuman Coordinator of this site? Confirm its status | SAN M. de Tucuman | Argentina | Unknown status |
| Centro de Diagnóstico y Rehabilitación (CEDIR) Coordinator of this site? Confirm its status | Santa Fe | Argentina | Unknown status |
| Sanatorio San Martin Coordinator of this site? Confirm its status | Venado Tuerto | Argentina | Unknown status |
| Emeritus Research Coordinator of this site? Confirm its status | Botany | Australia | Unknown status |
| Box Hill Hospital Coordinator of this site? Confirm its status | Box Hill | Australia | Unknown status |
| Royal Brisbane and Women's Hospital Coordinator of this site? Confirm its status | Brisbane | Australia | Unknown status |
| Core Research Group Coordinator of this site? Confirm its status | Brisbane | Australia | Unknown status |
| Emeritus Research Coordinator of this site? Confirm its status | Camberwell | Australia | Unknown status |
| Austin Health - Repatriation Hospital Coordinator of this site? Confirm its status | Heidelberg West | Australia | Unknown status |
| Advara HeartCare Joondalup Coordinator of this site? Confirm its status | Joondalup | Australia | Unknown status |
| Logan Hospital Coordinator of this site? Confirm its status | Meadowbrook | Australia | Unknown status |
| Baker IDI Heart and Diabetes Institute - Melbourne Coordinator of this site? Confirm its status | Melbourne | Australia | Unknown status |
| The AIM Centre / Hunter Diabetes Centre Coordinator of this site? Confirm its status | Merewether | Australia | Unknown status |
| Southern Adelaide Diabetes & Endocrine Services Coordinator of this site? Confirm its status | Oaklands Park | Australia | Unknown status |
| Centro de Pesquisa Clínica do Brasil Coordinator of this site? Confirm its status | Brasília | Brazil | Unknown status |
| Instituto de Pesquisa Clínica de Campinas Coordinator of this site? Confirm its status | Campinas | Brazil | Unknown status |
| Cendi - Endocrinologia e Diabetes Coordinator of this site? Confirm its status | Goiânia | Brazil | Unknown status |
| Centro de Pesquisa Clínica de Marília - CPCLIM Coordinator of this site? Confirm its status | Marília | Brazil | Unknown status |
| Instituto Mederi de Pesquisa e Saude Coordinator of this site? Confirm its status | Passo Fundo | Brazil | Unknown status |
| Pesquisare Saude Coordinator of this site? Confirm its status | Santo André | Brazil | Unknown status |
| CEPIC - Centro Paulista de Investigação Clínica Coordinator of this site? Confirm its status | São Paulo | Brazil | Unknown status |
| Instituto Lóbus Coordinator of this site? Confirm its status | Volta Redonda | Brazil | Unknown status |
| Chinese PLA General Hospital Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| Chongqing General Hospital Coordinator of this site? Confirm its status | Chongqing | China | Unknown status |
| Dalian Municipal Central Hospital Affiliated of Dalian Medical University Coordinator of this site? Confirm its status | Dalian | 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 People's Hospital of Yunnan Province Coordinator of this site? Confirm its status | Kunming | China | Unknown status |
| The First Affiliated Hospital of Henan University of Science &Technology Coordinator of this site? Confirm its status | Luoyang Shi | China | Unknown status |
| Jiangxi Provincial People's Hospital Coordinator of this site? Confirm its status | Nanchang | China | Unknown status |
| Nanjing First Hospital Coordinator of this site? Confirm its status | Nanjing | China | Unknown status |
| The Second Affiliated Hospital of Nanjing Medical University Coordinator of this site? Confirm its status | Nanjing | China | Unknown status |
| Jiangsu Province Official Hospital Coordinator of this site? Confirm its status | Nanjing | China | Unknown status |
| Nantong First People's Hospital Coordinator of this site? Confirm its status | Nantong | China | Unknown status |
| Shenzhen People's Hospital Coordinator of this site? Confirm its status | Shenzhen | China | Unknown status |
| Tianjin Medical University Zhu Xianyi Memorial Hospital Coordinator of this site? Confirm its status | Tianjin | China | Unknown status |
| Tianjin Medical University General Hospital Coordinator of this site? Confirm its status | Tianjin | China | Unknown status |
| Wuxi People's Hospital Coordinator of this site? Confirm its status | Wuxi | China | Unknown status |
| The Second Affiliated Hospital of Zhengzhou University Coordinator of this site? Confirm its status | Zhengzhou | China | Unknown status |
| MUDr. Alena Vachova Coordinator of this site? Confirm its status | České Budějovice | Czechia | Completed |
| Nemocnice Český Krumlov, a.s. Coordinator of this site? Confirm its status | Český Krumlov | Czechia | Completed |
| Milan Kvapil s.r.o. Coordinator of this site? Confirm its status | Dobris | Czechia | Completed |
| Endokrinologie MUDr. Rehorkova s.r.o. Coordinator of this site? Confirm its status | Hradec Králové | Czechia | Completed |
| MUDr. Sabina Palova Coordinator of this site? Confirm its status | Jílové u Prahy | Czechia | Completed |
| MUDr. Tomas Edelsberger Coordinator of this site? Confirm its status | Krnov | Czechia | Completed |
| Diahelp s.r.o Coordinator of this site? Confirm its status | Pardubice V | Czechia | Completed |
| MuDr. Jitka Zemanova Diabetologie A Interna s.r.o. Coordinator of this site? Confirm its status | Plzen 2-Slovany | Czechia | Completed |
| DIALINE s.r.o. Coordinator of this site? Confirm its status | Plzeň 3 | Czechia | Completed |
| Diabet2 s.r.o. Coordinator of this site? Confirm its status | Prague 1 | Czechia | Completed |
| Restrial s.r.o. Coordinator of this site? Confirm its status | Prague 6 | Czechia | Completed |
| Medizentrum Essen Borbeck Coordinator of this site? Confirm its status | Essen | Germany | Completed |
| InnoDiab Forschung Gmbh Coordinator of this site? Confirm its status | Essen | Germany | Completed |
| Gemeinschaftspraxis Dr. med. Ralf Denger und Dr. med. Thomas Pfitzner Coordinator of this site? Confirm its status | Friedrichsthal | Germany | Completed |
| BAG Diabeteszentrum Dr. Tews & Partner Coordinator of this site? Confirm its status | Gelnhausen | Germany | Completed |
| Diabetes Zentrum Wilhelmsburg Coordinator of this site? Confirm its status | Hamburg | Germany | Completed |
| Hausarzt- und Diabetologische Schwerpunktpraxis Hohenmölsen - Weiβenfels Coordinator of this site? Confirm its status | Hohenmölsen | Germany | Completed |
| Universitaetsklinikum Koeln Coordinator of this site? Confirm its status | Köln | Germany | Completed |
| AmBeNet GmbH Coordinator of this site? Confirm its status | Leipzig | Germany | Completed |
| Universität zu Lübeck - Institut für Endokrinologie und Diabetes Coordinator of this site? Confirm its status | Lübeck | Germany | Completed |
| University Of Luebeck Coordinator of this site? Confirm its status | Luebeck | Germany | Completed |
| SMO.MD GmbH Coordinator of this site? Confirm its status | Magdeburg | Germany | Completed |
| CDG Studienambulanz Hartard Coordinator of this site? Confirm its status | München | Germany | Completed |
| Institut für Diabetesforschung GmbH Münster Coordinator of this site? Confirm its status | Münster | Germany | Completed |
| RED-Institut GmbH Coordinator of this site? Confirm its status | Oldenburg | Germany | Completed |
| Arztpraxis Christine Kosch Pirna Coordinator of this site? Confirm its status | Pirna | Germany | Completed |
| Ceda-Research Coordinator of this site? Confirm its status | Pohlheim | Germany | Completed |
| Gemeinschaftspraxis Dr. med. Josef und Dr. med. Wilma Großkopf Coordinator of this site? Confirm its status | Wallerfing | Germany | Completed |
| General Hospital Of Thessaloniki Papageorgiou Coordinator of this site? Confirm its status | Efkarpia | Greece | Completed |
| General University Hospital of Larissa Coordinator of this site? Confirm its status | Larissa | Greece | Completed |
| Athens Medical Center S.A. Coordinator of this site? Confirm its status | Maroussi | Greece | Completed |
| Ippokratio General Hospital of Thessaloniki Coordinator of this site? Confirm its status | Thessaloniki | Greece | Completed |
| Thermi Clinic S.A. Coordinator of this site? Confirm its status | Thessaloniki | Greece | Completed |
| 424 Military General Training Hospital Coordinator of this site? Confirm its status | Thessaloniki | Greece | Completed |
| Euromedica General Clinic of Thessaloniki Coordinator of this site? Confirm its status | Thessaloniki | Greece | Completed |
| Medstar Speciality Hospital Coordinator of this site? Confirm its status | Bangalore | India | Unknown status |
| Karnataka Institute of Medical Sciences Coordinator of this site? Confirm its status | Hubli | India | Unknown status |
| Kumudini Devi Diabetes Research Center Coordinator of this site? Confirm its status | Hyderabad | India | Unknown status |
| TOTALL Diabetes Hormone Institute Coordinator of this site? Confirm its status | Indore | India | Unknown status |
| Arthur Asirvatham hospital, Coordinator of this site? Confirm its status | Madurai | India | Unknown status |
| Topiwala National Medical College & B. Y. L. Nair Charitable Hospital Coordinator of this site? Confirm its status | Mumbai | India | Unknown status |
| BSES MG hospital Coordinator of this site? Confirm its status | Mumbai | India | Unknown status |
| All India Institute of Medical Sciences (AIIMS) - Nagpur Coordinator of this site? Confirm its status | Nagpur | India | Unknown status |
| Sahyadri Super Speciality Hospital Coordinator of this site? Confirm its status | Pune | India | Unknown status |
| Yeungnam Univeristy Medical Center Coordinator of this site? Confirm its status | Gyeongsan-si | South Korea | Unknown status |
| Seoul National University Bundang Hospital Coordinator of this site? Confirm its status | Seongnam | South Korea | Unknown status |
| The Catholic Univ. of Korea Seoul St. Mary's Hospital Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Korea University Anam Hospital Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Kyung Hee University Hospital at Gangdong Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| Yonsei University Wonju Severance Christian Hospital Coordinator of this site? Confirm its status | Wŏnju | South Korea | Unknown status |
| Advanced Clinical Research, LLC Coordinator of this site? Confirm its status | Bayamón | Puerto Rico | Unknown status |
| Isis Clinical Research Center Coordinator of this site? Confirm its status | Guaynabo | Puerto Rico | Unknown status |
| Albany Medical College, Division of Community Endocrinology Coordinator of this site? Confirm its status | Albany | United States | Unknown status |
| Albany Stratton VA Medical Center Coordinator of this site? Confirm its status | Albany | United States | Unknown status |
| IMA Clinical Research Coordinator of this site? Confirm its status | Albuquerque | United States | Unknown status |
| MedStar Good Samaritan Hospital Coordinator of this site? Confirm its status | Baltimore | United States | Unknown status |
| Charlottesville Medical Research Coordinator of this site? Confirm its status | Charlottesville | United States | Unknown status |
| StudyMetrix Research Coordinator of this site? Confirm its status | City of Saint Peters | United States | Unknown status |
| Velocity Clinical Research, Dallas Coordinator of this site? Confirm its status | Dallas | United States | Unknown status |
| Soma Clinical Trials Coordinator of this site? Confirm its status | Denison | United States | Unknown status |
| Epic Medical Research - DeSoto Coordinator of this site? Confirm its status | DeSoto | United States | Unknown status |
| AMCR Institute Coordinator of this site? Confirm its status | Escondido | United States | Unknown status |
| Encore Medical Research Coordinator of this site? Confirm its status | Hollywood | United States | Unknown status |
| Pacific Diabetes & Endocrine Center Coordinator of this site? Confirm its status | Honolulu | United States | Unknown status |
| Biopharma Informatic, LLC Coordinator of this site? Confirm its status | Houston | United States | Unknown status |
| Velocity Clinical Research-Huntington Park Coordinator of this site? Confirm its status | Huntington Park | United States | Unknown status |
| East Coast Institute for Research, LLC Coordinator of this site? Confirm its status | Jacksonville | United States | Unknown status |
| Alliance for Multispecialty Research, LLC Coordinator of this site? Confirm its status | Knoxville | United States | Unknown status |
| Las Vegas Medical Research Coordinator of this site? Confirm its status | Las Vegas | United States | Unknown status |
| Balanced Life Health Care Solutions/SKYCRNG Coordinator of this site? Confirm its status | Lawrenceville | United States | Unknown status |
| NYC Research Inc. Coordinator of this site? Confirm its status | Long Island City | United States | Unknown status |
| Velocity Clinical Research, Westlake Coordinator of this site? Confirm its status | Los Angeles | United States | Unknown status |
| South Florida Clinical Research Institute Coordinator of this site? Confirm its status | Margate | United States | Unknown status |
| Solaris Clinical Research Coordinator of this site? Confirm its status | Meridian | United States | Unknown status |
| Catalina Research Institute, LLC Coordinator of this site? Confirm its status | Montclair | United States | Unknown status |
| Suncoast Clinical Research, Inc. Coordinator of this site? Confirm its status | New Port Richey | United States | Unknown status |
| Cahaba Research - Pelham Coordinator of this site? Confirm its status | Pelham | United States | Unknown status |
| Summit Headlands Coordinator of this site? Confirm its status | Portland | United States | Unknown status |
| Accellacare - Raleigh Coordinator of this site? Confirm its status | Raleigh | United States | Unknown status |
| Endocrine Research Solutions, Inc Coordinator of this site? Confirm its status | Roswell | United States | Unknown status |
| Diabetes and Glandular Disease Center Coordinator of this site? Confirm its status | San Antonio | United States | Unknown status |
| VIP Trials Coordinator of this site? Confirm its status | San Antonio | United States | Unknown status |
| Universal Research Group Coordinator of this site? Confirm its status | Tacoma | United States | Unknown status |
| Arcturus Healthcare , PLC, Troy Internal Medicine Research Division Coordinator of this site? Confirm its status | Troy | United States | Unknown status |
| Novak Clinical Research - Tucson - North La Cholla Boulevard Coordinator of this site? Confirm its status | Tucson | United States | Unknown status |
| University Clinical Investigators, Inc. Coordinator of this site? Confirm its status | Tustin | United States | Unknown status |
| Iowa Diabetes and Endocrinology Research Center Coordinator of this site? Confirm its status | West Des Moines | United States | Unknown status |
| North Georgia Clinical Research Coordinator of this site? Confirm its status | Woodstock | United States | Unknown status |
| Yuma Clinical Trials Coordinator of this site? Confirm its status | Yuma | United States | Unknown status |
Related publications
- Orforglipron for obesity treatment in older patients ≥65 years with or without type 2 diabetes: A post hoc subgroup analysis of the ATTAIN-1 and ATTAIN-2 trials.Obes Pillars · 2026 · PMID 42577069
- Orforglipron, an oral small-molecule GLP-1 receptor agonist, for the treatment of obesity in people with type 2 diabetes (ATTAIN-2): a phase 3, double-blind, randomised, multicentre, placebo-controlled trial.Lancet · 2026 · PMID 41275875
This page is information, not medical advice. Discuss any trial with your doctor.