A Study of XW003 in Obese Participants With Obstructive Sleep Apnea But Not Receive Positive Airway Pressure Therapy
A Multi-center, Randomized, Double-blind, Placebo-controlled Phase III Study to Assess the Efficacy and Safety of XW003 Injections in Obese Participants With Obstructive Sleep Apnea But Not Receive Positive Airway Pressure Therapy
1 other identifier
interventional
140
1 country
1
Brief Summary
The aim of the study is to assess the efficacy and safety of XW003 injections in obese participants with OSA but not receiving PAP
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Feb 2026
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 28, 2026
CompletedFirst Posted
Study publicly available on registry
February 4, 2026
CompletedStudy Start
First participant enrolled
February 9, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 16, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 16, 2027
April 14, 2026
January 1, 2026
1.8 years
January 28, 2026
April 9, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change from baseline in Apnea-Hypopnea Index (AHI)
at week 48
Secondary Outcomes (4)
Percent Change From Baseline in AHI
at week 48
Percentage of Participants With ≥50% AHI Reduction From Baseline
at week 48
Percentage of Participants With AHI <5 or With AHI 5-14 With Epworth Sleepiness Scale (ESS) ≤10
at week 48
Percent Change From Baseline in Body Weight
at week 48
Study Arms (2)
XW003 Injection
EXPERIMENTALonce weekly
Placebo
PLACEBO COMPARATORonce weekly
Interventions
Eligibility Criteria
You may qualify if:
- Body mass index (BMI) ≥ 28.0 kg/m2;
- The results of PSG meet the diagnosis criteria of OSA and with an AHI ≥15 at screening;
- Participants must not have used PAP for at least 4 weeks prior to screening and not use PAP during the study;
- Have a history of at least 1 self-reported unsuccessful dietary effort to lose body weight.
You may not qualify if:
- History of endocrine disorders which have significant impact on body weight;
- Diagnosis of diabetes (except gestational diabetes), ketoacidosis or hypertonic state/coma;
- HbA1c ≥6.5% at screening;
- Fasting blood glucose ≥7.0 mmol/L or 2-hour blood glucose ≥11.1 mmol/L after oral glucose tolerance test (OGTT) at screening; participants with FBG ≥6.1 mmol/L but \<7.0 mmol/L require OGTT;
- Have diagnosis of Cheyne Stokes Respiration, or diagnosis of Central or Mixed Sleep Apnea with % of mixed or central apneas/hypopneas ≥50%;
- Respiratory and neuromuscular diseases that could interfere with the results of the trial;
- Diagnosis of Obesity Hypoventilation Syndrome or daytime hypercapnia;
- Change of body weight \>5% within 3 months prior to screening (self-reported);
- Have a prior or planned surgical treatment for obesity (except liposuction or abdominoplasty if performed more than 1 year prior to screening);
- Have received any medication for body weight loss and blood glucose lowering or medication that could lead to significant body weight increase, within 3 months prior to screening.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Peking University People's Hospital
Beijing, Beijing Municipality, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Linong Ji, Dr
Peking University People's Hospital
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 28, 2026
First Posted
February 4, 2026
Study Start
February 9, 2026
Primary Completion (Estimated)
December 16, 2027
Study Completion (Estimated)
December 16, 2027
Last Updated
April 14, 2026
Record last verified: 2026-01
Data Sharing
- IPD Sharing
- Will not share