At a glance
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A Placebo Controlled Double Blinded Crossover Study of the Antihypertensive Efficacy of Guanfacine vs Hydrochlorothiazide in Obstructive Sleep Apnea (OSA) Associated Hypertension
In Brief
A Phase 4 clinical trial evaluating Guanfacine and Hydrochlorothiazide for Obstructive Sleep Apnea. Completed, enrolled 41 participants.
Detailed Summary
Patients who have obstructive sleep apnea (OSA) frequently stop breathing while they sleep. They often develop high blood pressure. We are not sure what drug is best to treat the high blood pressure. This study will give the patients guanfacine or hydrochlorothiazide (HCTZ) for 6 weeks after 2 weeks of placebo. The blood pressure response will be evaluated by 24 hour monitoring.
Study Details
Timeline
Interventions
Guanfacine 1mg for 2 weeks followed by guanfacine 2mg for 4 weeks.
Hydrochlorothiazide 12.5 mg for 2 weeks followed by hydrochlorothiazide 25 mg for 4 weeks