Investigating how lung volume affects throat collapse during sleep endoscopy for sleep apnea
Official title: Characterizing the Effects of Lung Volume on Upper Airway Patency During Drug Induced Sleep Endoscopy in Patients With Obstructive Sleep Apnea
Run by Emory University · NCT05350332 · Data updated 2026-11-12
This study is trying to see how changes in lung volume affect throat collapse during sleep tests in people with obstructive sleep apnea to help improve their treatment options.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 151 (estimated) |
| Sponsor | Emory University Academic / other |
| Locations | 1 site (Atlanta, Georgia) |
| Status | Recruiting |
| Started | June 30, 2022 |
| Main results expected | June 2027 |
| Study ends | June 2027 |
| Registry record updated | August 26, 2026 |
| Trial ID | NCT05350332 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults aged 18 and older with obstructive sleep apnea who are interested in surgical treatment and have consented to undergo DISE.
✕Probably not a fit
Patients with significant uncontrolled medical comorbidities or those unable to tolerate the procedures involved may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study examines the relationship between lung volume and upper airway patency during drug-induced sleep endoscopy (DISE) in patients with obstructive sleep apnea (OSA). Participants will undergo DISE as part of their routine surgical evaluation for OSA, where a negative pressure ventilator will be used to manipulate lung volume. The goal is to better understand how lung function influences throat collapse, which could improve surgical outcomes for OSA patients. By exploring these pathophysiological factors, the study aims to enhance the selection process for surgical candidates and potentially lead to new treatment options.
Why it matters
Potential benefit: If successful, this study could lead to improved surgical outcomes for patients with obstructive sleep apnea.
How similar studies have gone: While the relationship between lung volume and throat collapse during DISE has not been extensively studied, similar approaches in evaluating pathophysiological factors have shown promise in improving surgical outcomes in other studies.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Adult patients (≥ 18 yrs) willing and capable of providing informed consent * Obstructive sleep apnea (AHI ≥ 5 events/hour) * Must be willing and able to provide informed consent to participate in the study. * Interested in surgical treatments of OSA and have consented for a DISE procedure as part of their routine clinical evaluation. * Patients are evaluated and cleared by anesthesia prior to the procedure. Exclusion Criteria: * No significant uncontrolled medical co-morbidities (e.g., uncontrolled hypertension, unstable angina, uncompensated heart failure or COPD). * Any medical comorbidity that would prevent the patient from receiving anesthesia or having surgery * Inability to tolerate negative pressure ventilator or perform PFT (i.e. claustrophobia) * No incapacitating disability that interferes with execution of the protocol
Where it's running
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Emory University Hospital Midtown
Atlanta, Georgia, United States Recruiting
Study contacts
- Principal investigator: Jason Yu, MD — Emory University
- Study coordinator: Jason Yu, MD
- Email: jyu40@emory.edu
- Phone: 470-763-3887
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.