Your phone could spot knee arthritis before it's too late

NCT ID NCT07580222

Recruiting now Diagnosis Sponsor: VA Office of Research and Development Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing whether a smartphone app can detect early knee osteoarthritis by measuring how the knee moves during simple activities like walking. Researchers will compare the app's results to standard motion-capture equipment and patient symptoms. If it works, this could lead to earlier diagnosis and better care for knee arthritis.

What this could mean

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

Active substance: smartphone-based motion capture (OpenCap)
What this could lead to: If successful, this could provide a simple, accessible way to diagnose knee osteoarthritis earlier, potentially improving treatment timing and outcomes.
What could go wrong: This is a small, early-stage study with only 47 participants. The smartphone method may not be accurate enough compared to standard lab equipment, and results may not apply to all patients.

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.

osteoarthritis, knee

As listed by the trial registrant

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

OSTEOARTHRITIS, KNEE

Contacts and locations

Locations

VA Palo Alto Health Care System, Palo Alto, CA
RECRUITING

Palo Alto, California, 94304-1207, United States

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