Obstructive Sleep Apnea Master Protocol GPIF: A Study of Tirzepatide (LY3298176) in Participants With Obstructive Sleep Apnea (SURMOUNT-OSA)
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ClinicalTrials.gov Identifier: NCT05412004 |
Recruitment Status :
Active, not recruiting
First Posted : June 9, 2022
Last Update Posted : May 23, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Sleep Apnea Obesity | Drug: Tirzepatide Drug: Placebo | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 469 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Official Title: | A Master Protocol to Investigate the Efficacy and Safety of Tirzepatide Once Weekly in Participants Who Have Obstructive Sleep Apnea and Obesity: A Randomized, Double-Blind, Placebo-Controlled Trial |
Actual Study Start Date : | June 21, 2022 |
Estimated Primary Completion Date : | March 1, 2024 |
Estimated Study Completion Date : | March 29, 2024 |

Arm | Intervention/treatment |
---|---|
Experimental: Tirzepatide Maximum Tolerated Dose
Participants will receive a low dose and then increase to a maximum tolerated dose 1 or dose 2 subcutaneously (SC). GPI1: Participants are unwilling or unable to use PAP therapy. GPI2: Participants are on PAP therapy. |
Drug: Tirzepatide
Administered SC
Other Name: LY3298176 |
Placebo Comparator: Placebo
Participants will receive placebo SC GPI1: Participants are unwilling or unable to use PAP therapy. GPI2: Participants are on PAP therapy. |
Drug: Placebo
Administered SC |
- Percent Change from Baseline in Apnea-Hypopnea Index (AHI) [ Time Frame: Baseline, Week 52 ]
- A Hierarchical Combination of Functional Outcomes of Sleep Questionnaire (FOSQ) 10 Score, FOSQ Vigilance Domain Score, and FOSQ Activity Level Domain Score [ Time Frame: Baseline (Week 0) to Study Completion (Estimated Up to 52 Weeks) ]A hierarchical combination of change from baseline in the FOSQ 10 score, FOSQ Vigilance Domain Score, and FOSQ Activity Level Domain Score will be assessed by the win ratio. The reported unit will be the total "wins" for each treatment group from performing a hierarchical comparison of the components.
- Change from Baseline in Apnea-Hypopnea Index (AHI) [ Time Frame: Baseline, Week 52 ]
- Percentage of Participants with ≥50% AHI Reduction from Baseline [ Time Frame: Week 52 ]
- Percentage of Participants with AHI <5 or with AHI 5-14 with Epworth Sleepiness Scale (ESS) ≤10 [ Time Frame: Week 52 ]
- Percent Change from Baseline in Body Weight [ Time Frame: Baseline, Week 52 ]
- Change from Baseline in Systolic Blood Pressure (SBP) [ Time Frame: Baseline, Week 48 ]
- Change from Baseline in High Sensitivity C reactive Protein (hsCRP) Concentration [ Time Frame: Baseline, Week 52 ]
- Change from Baseline in Sleep Apnea-Specific Hypoxic Burden (SASHB) (% min/hour) [ Time Frame: Baseline, Week 52 ]

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
For GPI1 Participants:
- Participants who are unable or unwilling to use PAP therapy. Participants must not have used PAP for at least 4 weeks prior to screening.
For GPI2 Participants:
- Have been on PAP therapy for at least 3 consecutive months prior to screening and plan to continue PAP therapy during the study
For Both GPI1 and GPI2 Participants:
- Have an AHI ≥15 on PSG as part of the trial at screening
- Have a body mass index (BMI) ≥30 kilogram/square meter (kg/m²)
- Have a history of at least 1 self-reported unsuccessful dietary effort to lose body weight
Exclusion Criteria:
For GPI2 Participants:
- 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 course of the study
- Are unwilling to stop PAP therapy for 7 days prior to polysomnography (PSG) testing during the course of the study
For GPI1 and GPI2 Participants:
- Female participants must not be pregnant, intending to be pregnant, breastfeeding, or intending to breastfeed.
- Have type 1 diabetes mellitus (T1DM) or type 2 diabetes mellitus (T2DM), history of ketoacidosis, or hyperosmolar state/coma.
- Have HbA1c ≥ 6.5% (≥ 48 mmol/mol) at baseline
- Any previous or planned surgery for sleep apnea or major ear, nose or throat surgery, including tonsillectomy and adenoidectomy that still may affect breathing at time of baseline
- Have significant craniofacial abnormalities that may affect breathing at baseline
- 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 (for example, dental appliance), or other treatment, that in the opinion of the investigator, may interfere with study outcomes, unless willing to stop treatment at baseline and throughout the study.
- 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 or abdominoplasty if performed more than 1 year prior to screening)
- Have or plan to have endoscopic and/or device-based therapy for obesity or have had device removal within the last 6 months (for example, mucosal ablation, gastric artery embolization, intragastric balloon, and duodenal-jejunal bypass sleeve)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05412004

Study Director: | 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) | Eli Lilly and Company |
Responsible Party: | Eli Lilly and Company |
ClinicalTrials.gov Identifier: | NCT05412004 |
Other Study ID Numbers: |
18357 I8F-MC-GPIF ( Other Identifier: Eli Lilly and Company ) I8F-MC-GPI1 ( Other Identifier: Eli Lilly and Company ) I8F-MC-GPI2 ( Other Identifier: Eli Lilly and Company ) 2021-004552-41 ( EudraCT Number ) |
First Posted: | June 9, 2022 Key Record Dates |
Last Update Posted: | May 23, 2023 |
Last Verified: | May 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | Anonymized individual patient level data will be provided in a secure access environment upon approval of a research proposal and a signed data sharing agreement. |
Supporting Materials: |
Study Protocol Statistical Analysis Plan (SAP) Clinical Study Report (CSR) |
Time Frame: | Data are available 6 months after the primary publication and approval of the indication studied in the US and European Union (EU), whichever is later. Data will be indefinitely available for requesting. |
Access Criteria: | A research proposal must be approved by an independent review panel and researchers must sign a data sharing agreement. |
URL: | http://vivli.org/ |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Tirzepatide Apnea Sleep Apnea Syndromes Sleep Apnea, Obstructive Obesity Overweight Overnutrition Nutrition Disorders Body Weight Respiration Disorders Respiratory Tract Diseases |
Signs and Symptoms, Respiratory Sleep Disorders, Intrinsic Dyssomnias Sleep Wake Disorders Nervous System Diseases Hypoglycemic Agents Physiological Effects of Drugs Incretins Hormones Hormones, Hormone Substitutes, and Hormone Antagonists |