Credit: Somnarus Inc.
Results of a definitive clinical trial show that a new, disposable diagnostic patch effectively detects obstructive sleep apnea across all severity levels.
Results show that the total rate of clinical agreement between the patch and standard in-lab sleep tests was more than 87-percent. According to the authors, the study results will be used in obtaining approval from the U.S. Food and Drug Administration for the device, SomnaPatch. The skin-adhesive diagnostic patch weighs less than one ounce and records nasal pressure, blood oxygen saturation, pulse rate, respiratory effort, sleep time and body position.
“Our study provided clinical validation of a new wearable device for diagnosing sleep apnea,” said principal investigator Maria Merchant, PhD, CEO of Somnarus Inc. “It was most surprising to us how well this inexpensive miniature device performed in comparison with in-lab sleep studies.”
Simultaneous polysomnography and patch recordings from 174 subjects were included in the analysis. An additional home usability study found that 38 out of 39 users were successful in activating the diagnostic patch and collecting at least 4 hours of sleep data while relying only on the instructions included with the device.
“Most home sleep diagnostic devices are difficult for patients to use and are disruptive to patient’s sleep,” said Merchant. “Our study showed that this wearable home sleep monitor is very comfortable, easy to use and does not negatively affect sleep.”
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