AI learns to spot cancer pain from faces and voices

NCT ID NCT04442425

First seen Jun 26, 2026 · Last updated Jul 17, 2026 · Updated 8 times

Summary

This study tested whether machine learning can detect cancer pain by analyzing facial expressions, voice, and speech. 83 people with cancer recorded videos at clinic visits and at home over 3 months. The goal was to see if this technology could classify pain levels in a diverse group of patients.

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 lead to a new way to measure cancer pain using cameras and microphones, helping doctors better understand and treat pain.
What could go wrong
This was a small feasibility study, not a treatment trial. The technology may not work well in real-world settings or for all patients.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.