Magnetic neck brace could replace CPAP for sleep apnea

NCT ID NCT02431507

Recruiting now Disease control Sponsor: Michael Harrison Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early study tests a new device called MAGNAP for people with moderate to severe obstructive sleep apnea who cannot tolerate CPAP machines. The device is surgically implanted in the neck and works with an external magnetic brace to keep the airway open during sleep. The study will enroll 10 adults and monitor safety, how well participants use the device, and whether it improves sleep apnea symptoms over 13 months.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Magnetic apnea prevention (MAGNAP) device
What this could lead to: If successful, this could offer a new treatment option for people with obstructive sleep apnea who cannot use a CPAP machine.
What could go wrong: This is a very early, small study (10 people) focused on safety and feasibility. The device requires surgery and daily use of an external neck brace, which may be uncomfortable or not work for everyone.

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Conditions

The condition(s) this trial relates to.

Apnea obstructive sleep apnea syndrome sleep apnea syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

OBSTRUCTIVE SLEEP APNEA

Contacts and locations

Locations

University of California San Francisco/Mount Zion Hospital
RECRUITING

San Francisco, California, 94115, United States

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