Overview Safety and Efficacy Study of Dronabinol to Treat Obstructive Sleep Apnea Status: Completed Trial end date: 2016-12-31 Target enrollment: Participant gender: Summary This is a proof of concept study to determine the safety and efficacy of dronabinol for the treatment of obstructive sleep apnea syndrome (OSA). Phase: Phase 2 Details Lead Sponsor: University of Illinois at ChicagoCollaborators: Hektoen Institute for Medical ResearchNational Heart, Lung, and Blood Institute (NHLBI)Northwestern UniversityUniversity of ChicagoTreatments: Dronabinol