Laser zaps sweat glands in tiny hyperhidrosis trial
NCT ID NCT04178161
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early study tested a laser treatment for people with excessive sweating (hyperhidrosis). The approach used a dye to mark sweat glands, then a special laser to destroy them. Only 2 people were enrolled, and the study was terminated early, so we have very little data on whether it works or is safe.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Laser treatment (fractional erbium laser) combined with methylene blue iontophoresis
What this could lead to
If it works, this could point toward a minimally invasive treatment for excessive sweating without long-term medication.
What could go wrong
This was a very early, tiny trial (only 2 participants) that was terminated, so results are extremely limited. The procedure may not be effective or safe for broader use.
Disclaimer
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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.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Massachusetts General Hospital - Wellman Center for Photomedicine
Boston, Massachusetts, 02114, United States