Light therapy shines as potential Drug-Free knee pain relief

NCT ID NCT07057063

Recruiting now Symptom relief Sponsor: The Hong Kong Polytechnic University Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a special light (810 nm) can reduce knee pain and swelling in people with chronic knee pain and synovitis. About 80 adults aged 40-80 will receive either real light therapy or a sham treatment twice a week for five weeks. Researchers will measure pain, ultrasound images of the knee, and function to see if the light helps.

What this could mean

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

Active substance: 810 nm light therapy
What this could lead to: If it works, this could offer a safe, non-invasive option to ease knee pain and inflammation without drugs or surgery.
What could go wrong: This is an early-stage trial with only 80 participants, so results may not apply to everyone. The sham group may also show improvement, making it hard to prove the light therapy's true effect.

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Conditions

The condition(s) this trial relates to.

osteoarthritis, knee synovitis

As listed by the trial registrant

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

KNEE PAIN CHRONIC LIGHT THERAPY SYNOVITIS OF KNEE

Contacts and locations

Locations

Buji Community Service Center, Longgang District
RECRUITING

Shenzhen, China
The Hong Kong Polytechnic University
NOT_YET_RECRUITING

Hong Kong, Hong Kong

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