Pulse oximeters may be less accurate for darker skin – new study investigates

NCT ID NCT06432881

First seen Jun 26, 2026 · Last updated Jul 17, 2026 · Updated 3 times

Summary

This study looks at whether skin pigmentation affects how well Masimo pulse oximeters measure oxygen levels. Researchers will compare readings from 152 ICU patients with light and dark skin who have low oxygen levels. The goal is to see if the device works equally well for everyone.

What this could mean

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

What this could lead to
If successful, this could improve pulse oximeter accuracy for people with darker skin, leading to better oxygen monitoring in hospitals.
What could go wrong
This is an observational device study, not a treatment trial. It may show differences but won't directly change patient care yet.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Hypoxia

As listed by the trial registrant

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

Contacts and locations

Locations

  • Medical University of South Carolina

    Charleston, South Carolina, 29425, United States

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