A Master Protocol for Orforglipron in Participants With Obstructive Sleep Apnea and Obesity or Overweight

NCT ID: NCT06649045

Last Updated: 2025-09-29

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE3

Total Enrollment

600 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-10-22

Study Completion Date

2027-01-31

Brief Summary

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Study GZRA is a master protocol that will support 2 independent studies, GZ01 and GZ02. Participants will be assigned to the appropriate study prior to randomization. The purpose of the studies is to evaluate the efficacy and safety of orforglipron in participants who have moderate-to-severe OSA and obesity or overweight. Study GZ01 will include participants who are unable or are unwilling to use PAP therapy. Study GZ02 will include participants who are on PAP therapy for at least 3 months at time of screening and plan to continue PAP therapy during the study.

Detailed Description

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Conditions

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OSA Overweight or Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Orforglipron

Participants will receive orforglipron orally.

Study 1 GZ01: Participants who are unable or unwilling to use PAP

Study 2 GZ02: Participants who plan to continue PAP therapy

Group Type EXPERIMENTAL

Orforglipron

Intervention Type DRUG

Administered orally.

Placebo

Participants will receive placebo orally.

Study 1 GZ01: Participants who are unable or unwilling to use PAP

Study 2 GZ02: Participants who plan to continue PAP therapy

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Administered orally.

Interventions

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Orforglipron

Administered orally.

Intervention Type DRUG

Placebo

Administered orally.

Intervention Type DRUG

Other Intervention Names

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LY3502970

Eligibility Criteria

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Inclusion Criteria

* have AHI ≥15 on PSG as part of the trial at screening (V1).
* have body mass index (BMI) ≥27 kg/m²


* Participants who are unable or unwilling to use PAP therapy.
* Participants must not have used PAP for at least 4 weeks prior to screening.


* Participants who have been on PAP therapy for at least 3 consecutive months prior to study start and plan to continue PAP therapy during the study.

Exclusion Criteria

* Have Type 1 diabetes (T1D) or Type 2 diabetes (T2D), history of ketoacidosis, or hyperosmolar state/coma
* Have HbA1c ≥6.5% (≥ 48 mmol/mol), as determined by the central laboratory at Visit 1.
* Had any previous or planned upper airway surgery for sleep apnea or major ear, nose or throat surgery
* Have diagnosis of Central or Mixed Sleep Apnea with % of mixed or central apneas/hypopneas ≥50%, or diagnosis of Cheyne Stokes Respiration
* Diagnosis of Obesity Hypoventilation Syndrome or daytime hypercapnia.
* Active device treatment of OSA other than PAP therapy
* Respiratory and neuromuscular diseases that could interfere with the results of the trial in the opinion of the investigator.
* Have a self-reported change in body weight \>5 kg within 3 months prior to screening
* Have a prior or planned surgical treatment for obesity (excluding liposuction, abdominoplasty or cryolipolysis if performed more than 1 year prior to screening)
* Have a prior or planned endoscopic and/or present device-based therapy for obesity.
* Have obesity induced by other endocrinologic disorders or diagnosed monogenetic or syndromic forms of obesity.


* Have personal or job-related responsibilities, or in the opinion of the investigator have any situation that would make it unsafe to stop PAP therapy for 7 days prior to PSG testing during the study.
* Are unwilling to temporary discontinue PAP therapy for 7 days prior to PSG testing during the study.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Eli Lilly and Company

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5 PM Eastern time (UTC/GMT - 5 hours, EST)

Role: STUDY_DIRECTOR

Eli Lilly and Company

Locations

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Ark Clinical Research

Long Beach, California, United States

Site Status

Peninsula Research Associates

Rolling Hills Estates, California, United States

Site Status

Artemis Institute for Clinical Research

San Diego, California, United States

Site Status

Care Access - Aurora

Aurora, Colorado, United States

Site Status

EBGS Clinical Research Center

Snellville, Georgia, United States

Site Status

Elite Clinical Trials

Blackfoot, Idaho, United States

Site Status

Care Access - Shreveport

Shreveport, Louisiana, United States

Site Status

The Sleep Spot - Maimonides

Albuquerque, New Mexico, United States

Site Status

Accellacare - Wilmington

Wilmington, North Carolina, United States

Site Status

CTI Clinical Research Center

Cincinnati, Ohio, United States

Site Status

Preferred Primary Care Physicians, Preferred Clinical Research (Ofc 18)

Pittsburgh, Pennsylvania, United States

Site Status

Preferred Primary Care Physicians

Uniontown, Pennsylvania, United States

Site Status

FutureSearch Trials of Neurology

Austin, Texas, United States

Site Status

Prime Revival Research Institute, LLC

Flower Mound, Texas, United States

Site Status

Northwest Clinical Research Center

Bellevue, Washington, United States

Site Status

Centro de Investigaciones Metabólicas (CINME)

Buenos Aires, , Argentina

Site Status

Centro Médico Viamonte

Buenos Aires, , Argentina

Site Status

Consultorio de Investigación Clínica EMO SRL

Buenos Aires, , Argentina

Site Status

Centro Medico Dra. Laura Maffei- Investigacion Clinica Aplicada

Buenos Aires, , Argentina

Site Status

Centro Privado de Medicina Respiratoria

Paraná, , Argentina

Site Status

Instituto Médico Río Cuarto

Río Cuarto, , Argentina

Site Status

INECO Neurociencias Oroño

Rosario, , Argentina

Site Status

Centro de Salud e Investigaciones Médicas

Santa Rosa, , Argentina

Site Status

Núcleo de Pesquisa Clínica do Rio Grande do Sul

Porto Alegre, , Brazil

Site Status

CPQuali Pesquisa Clínica

São Paulo, , Brazil

Site Status

BR Trials - Ensaios Clinicos e Consultoria

São Paulo, , Brazil

Site Status

CEPIC - Centro Paulista de Investigação Clínica

São Paulo, , Brazil

Site Status

Hospital das Clinicas FMUSP

São Paulo, , Brazil

Site Status

Peking University People's Hospital

Beijing, , China

Site Status

The First Hospital of Jilin University

Changchun, , China

Site Status

Sichuan Provincial People's Hospital

Chengdu, , China

Site Status

The Fourth Affiliated Hospital of Harbin Medical University

Harbin, , China

Site Status

Huzhou Central Hospital

Huzhou, , China

Site Status

The First Affiliated Hospital of Henan University of Science &Technology

Luoyang Shi, , China

Site Status

Jiangxi Provincial People's Hospital

Nanchang, , China

Site Status

Ningbo First Hospital

Ningbo, , China

Site Status

Pudong New Area People's Hospital Shanghai

Shanghai, , China

Site Status

ShenZhen People's Hospital

Shenzhen, , China

Site Status

Wuxi People's Hospital

Wuxi, , China

Site Status

Nemocnice Rudolfa a Stefanie Benešov

Benešov, , Czechia

Site Status

Milan Kvapil s.r.o., Diabetologicka ambulance

Prague, , Czechia

Site Status

Praglandia s.r.o

Prague, , Czechia

Site Status

CIMS Studienzentrum Bamberg

Bamberg, , Germany

Site Status

Advanced Sleep Research

Berlin, , Germany

Site Status

InnoDiab Forschung Gmbh

Essen, , Germany

Site Status

Unterfrintroper Hausarztzentrum Klinische Forschung

Essen, , Germany

Site Status

Siteworks GmbH - Hannover

Hanover, , Germany

Site Status

Siteworks - Karlsruhe

Karlsruhe, , Germany

Site Status

Institut für Diabetesforschung GmbH Münster

Münster, , Germany

Site Status

RED-Institut GmbH

Oldenburg, , Germany

Site Status

Kirigaokatsuda Hospital

Kitakyushu, , Japan

Site Status

Osaka Kaisei Hospital

Osaka, , Japan

Site Status

Sakai City Medical Center

Sakai, , Japan

Site Status

Nakamura Clinic

Urasoe, , Japan

Site Status

RESM Respiratory and Sleep Medical Care Clinic

Yokohama, , Japan

Site Status

Enclifar Ensayos Clínicos Farmacológicos Sc

Chihuahua City, , Mexico

Site Status

Diseno y Planeacion en Investigacion Medica

Guadalajara, , Mexico

Site Status

Private Practice - Dr. Arechavaleta Granell Maria del Rosario

Guadalajara, , Mexico

Site Status

Centro de Investigacion en Artritis y Osteoporosis SC

Mexicali, , Mexico

Site Status

RM Pharma Specialists - Unidad Especializada en Datos

Mexico City, , Mexico

Site Status

Centro Especializado En Diabetes, Obesidad Y Prevencion De Enfermedades Cardiovasculares

Mexico City, , Mexico

Site Status

CEINV Salud

Monterrey, , Mexico

Site Status

Chiayi Christian Hospital

Chiayi City, , Taiwan

Site Status

China Medical University Hospital

Taichung, , Taiwan

Site Status

National Cheng Kung University Hospital

Tainan City, , Taiwan

Site Status

Chang Gung Medical Foundation-Linkou Branch

Taoyuan District, , Taiwan

Site Status

Countries

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United States Argentina Brazil China Czechia Germany Japan Mexico Taiwan

Other Identifiers

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J5P-MC-GZRA

Identifier Type: OTHER

Identifier Source: secondary_id

J5P-MC-GZ01

Identifier Type: OTHER

Identifier Source: secondary_id

J5P-MC-GZ02

Identifier Type: OTHER

Identifier Source: secondary_id

27226

Identifier Type: -

Identifier Source: org_study_id

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