Mouth oximeter put to the test: can it measure oxygen correctly?

NCT ID NCT06267976

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested the ProSomnus RPMO2, a small device worn inside the mouth that measures oxygen levels and pulse rate. Researchers compared its readings to standard blood tests in 12 healthy adults. The goal was to see if the device is accurate enough for medical use.

What this could mean

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

Active substance

ProSomnus RPMO2 device (intraoral pulse oximeter)

What this could lead to

If accurate, this device could offer a new way to monitor oxygen levels from inside the mouth, potentially useful for sleep studies or other monitoring.

What could go wrong

This is a small, early validation study in only 12 healthy people, not patients. The device may not perform as well in real-world conditions or in people with health issues.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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As listed by the trial registrant

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

Contacts and locations

Locations

  • University of Calgary

    Calgary, Alberta, T2N4N1, Canada