Laser test could objectively measure nerve pain for first time
NCT ID NCT06030297
First seen Apr 23, 2026 · Last updated Jun 22, 2026 · Updated 11 times
Summary
This study tested whether a diode laser can act as a biomarker to measure neuropathic pain in people with peripheral neuropathy. Researchers compared pain responses to a lidocaine patch versus a placebo patch in 75 participants. The goal was to see if the laser test could distinguish between real pain relief and placebo effects.
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the original study
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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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Contacts and locations
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Locations
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Stanford University
Palo Alto, California, 94305, United States
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University of Utah
Salt Lake City, Utah, 84132, United States
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
lidocaine patch (ZTlido 1.8%)
What this could lead to
If successful, this could provide a reliable way to objectively measure nerve pain, helping doctors diagnose and treat it more effectively.
What could go wrong
This is a small, early-stage study focused on measurement, not treatment. The laser test may not prove accurate enough for widespread use.
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.