Expired Study
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Stanford, California 94305


Obstructive sleep apnea (OSA) is a syndrome characterized by repetitive episodes of airway obstruction during sleep, which result in low oxygen level in the blood and bad sleep quality. Both of these effects are implicated in medical, neurological and cognitive disorders in subjects with OSA. The purpose of this study is to examine how OSA affects medical and neurobehavioral outcomes after gastric bypass surgery for weight loss in morbidly obese patients.


Inclusion Criteria: Scheduled for Laparoscopic roux-en-Y gastric bypass (RYGB) surgery Presence or absence of OSA confirmed by polysomnography Comprehension of spoken and written English Exclusion Criteria: Major psychiatric, neurological, or neuromuscular disorder History of untreated thyroid disease Known diabetes mellitus History of stroke with or without apparent neurological deficits Alcohol consumption which exceeds 2 drinks per day or drug abuse. Undergone a sleep study in the past



Primary Contact:

Principal Investigator
Anthony Doufas
Stanford University

Backup Contact:


Location Contact:

Stanford, California 94305
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: February 04, 2019

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