Clinical trial: Magnetic Resonance Imaging in Obstructive Sleep Apnea


The Magnetic Resonance Imaging in Obstructive Sleep Apnea trial is an observational cohort study recruiting adults with obstructive sleep apnea undergoing surgery.

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The trial will compare drug-induced sleep endoscopy and upper airway MRI in order to determine which is the better predictor of success in patients who cannot tolerate nonsurgical solutions. Upper airway MRI is a more complete evaluation during wakefulness and is cheaper than drug-induced sleep endoscopy, but no studies have thus far utilized MRI as a surgical evaluation tool.

Patients will be included if they are at least 21 years old, have moderate to severe obstructive sleep apnea, and have a body mass index less than 40 kg/m2. Exclusion criteria include prior surgery for obstructive sleep apnea; known neurologic, cardiac, pulmonary, renal, or hepatic disorders; psychiatric problems except for treated depression or mild anxiety; a coexisting sleep disorder; or another contraindication to drug-induced sleep endoscopy or MRI, such as propofol allergy.

The primary outcome measure is surgical results after 6 months, which will be measured using sleep studies. Secondary outcomes include sleep-related quality of life after 6 months and daytime sleepiness after 6 months.

The estimated primary completion date is June 2020, and the estimated study completion date is July 2020. About 40 patients are expected to be recruited.

Find more information on the study page at Clinicaltrials.gov.

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