New study probes the science behind a simple nerve test

NCT ID NCT07248124

Recruiting now Knowledge-focused Sponsor: Elsan Source: ClinicalTrials.gov ↗

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

Summary

This pilot study aims to understand what happens in the muscles during the Scratch Collapse Test, a simple exam used to detect nerve compression in carpal tunnel syndrome. Researchers will use a technique called myography to measure muscle activity in 25 patients with unilateral carpal tunnel syndrome. The goal is to see if the test causes a temporary loss of muscle strength on the affected side, which could help explain how the test works.

What this could mean

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

What this could lead to: If successful, this study could provide a better understanding of how the Scratch Collapse Test works, potentially improving diagnosis of nerve compression.
What could go wrong: This is a very small pilot study with only 25 participants, so results may not apply broadly. It is exploratory and does not test a treatment.

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.

carpal tunnel syndrome

As listed by the trial registrant

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

CARPAL TUNNEL SYNDROME (CTS)

Contacts and locations

Locations

Clinique de l'Ormeau
RECRUITING

Tarbes, 65000, France

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