Does skin color affect oxygen readings? new study in kids aims to find out

NCT ID NCT07168798

ENROLLING_BY_INVITATION Knowledge-focused Sponsor: Nihon Kohden Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study checks whether a Nihon Kohden pulse oximeter accurately measures blood oxygen in 180 children aged 0-12 with various skin tones. All children are in a cardiac intensive care unit and already have an arterial line for standard care. The goal is to see if the device's readings match the true oxygen level from blood samples, and whether skin color affects accuracy.

What this could mean

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

Active substance: Pulse oximeter device (OLV-4201 with sensors)
What this could lead to: If successful, this could lead to more accurate oxygen monitoring for children of all skin colors, reducing hidden low oxygen levels in darker-skinned patients.
What could go wrong: This is an observational accuracy study, not a treatment trial. It may show differences but won't directly improve care. Results may not apply to all devices or settings.

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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.

HYPOXEMIA

Contacts and locations

Locations

Childrens Hospital of Philadelphia

Philadelphia, Pennsylvania, 19104, United States

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