New light therapy takes on stubborn toenail fungus

NCT ID NCT03098342

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

Summary

This study tested two treatments for toenail fungus in 27 Asian adults: a light-activated dye (methylene blue photodynamic therapy) and a medicated nail polish (amorolfine). The goal was to see which worked better and was safer. Participants received either the light treatment or the polish, and doctors used special photos to measure improvement.

What this could mean

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

Active substance

methylene blue (used in photodynamic therapy) and amorolfine nail lacquer

What this could lead to

If successful, this could offer a new, non-drug treatment option for stubborn toenail fungus, potentially with fewer side effects than long-term antifungal pills.

What could go wrong

This is a small, completed study with only 27 participants, so results may not apply to everyone. Photodynamic therapy requires multiple clinic visits and may cause temporary pain or redness.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

tinea unguium

As listed by the trial registrant

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

Contacts and locations

Locations

  • King Chulalongkorn Memorial Hospital

    Bangkok, Bangkok, 10330, Thailand