Sleep apnea implant device in clinical trials

2010 12 28 11 52 57 91 Inspire 200

Inspire Medical Systems, a developer of neurostimulation therapies for the treatment of obstructive sleep apnea (OSA), recently received approval from the U.S. Food and Drug Administration (FDA) to begin a clinical trial of its STAR (stimulation therapy for apnea reduction) implant system.

2010 12 28 11 52 57 91 Inspire 200
The STAR II implantable sleep apnea device. Image courtesy of Inspire Medical Systems.
The STAR trial is a multicenter study designed to evaluate the safety and effectiveness of upper airway stimulation (UAS) therapy in patients with moderate to severe OSA, the company said. The STAR trial will be conducted at medical centers across the U.S. and Europe, and the results of the study will be the basis for a premarket approval application to the FDA, the company noted.

Medical centers in Germany, Belgium, and the Netherlands are currently approved to implant patients in the STAR trial. Paul Van de Heyning, director of otolaryngology and head and neck surgery at the University of Antwerp, recently implanted the first patient in the STAR trial. The first U.S. implants in the trial are targeted for early 2011.

UAS is an implantable therapy that works with the body's natural physiology to prevent airway obstruction during sleep. While the patient sleeps, Inspire therapy is designed to deliver physiologically timed, mild stimulation to the hypoglossal nerve on each breathing cycle. The stimulation is intended to restore tone to the muscles that control the base of the tongue, preventing the tongue from collapsing and obstructing the airway. Patients control when the therapy is turned on and off via a handheld programmer.

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