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Mechanisms of Pharyngeal Collapse in Sleep Apnea, Study D

NCT01733784 · Status: WITHDRAWN · Phase: NA · Type: INTERVENTIONAL

Last updated 2019-07-11

No results posted yet for this study

Summary

In obstructive sleep apnea (OSA), the upper airway recurrently closes during sleep. The mechanisms that lead to airway closure are not completely understood. Some studies have shown that there is progressive narrowing of the pharyngeal airway across breaths during expiration (Progressive Expiratory Narrowing, PEN) preceding an obstructive apnea. The investigators will assess the viscoelastic properties of the pharyngeal airway and its role in PEN.

Conditions

Interventions

OTHER

Induced central apneas

Sponsors & Collaborators

  • National Heart, Lung, and Blood Institute (NHLBI)

    collaborator NIH

  • Brigham and Women's Hospital

    lead OTHER

Principal Investigators

  • David A Wellman, MD · Brigham and Women's Hospital

Study Design

Allocation
NA
Purpose
OTHER
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
21 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2012-12-08
Primary Completion
2017-02-07
Completion
2017-02-07

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01733784 on ClinicalTrials.gov