Ultrasound may unlock faster diagnosis for rare nerve disorders
NCT ID NCT07365631
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether nerve ultrasound can help doctors tell the difference between genetic and acquired forms of sensory neuronopathy, a rare nerve condition. Researchers will review ultrasound images and medical records from about 50 adults. The goal is to see if nerve size patterns on ultrasound are unique to genetic causes, which could guide earlier treatment for acquired cases.
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 could make nerve ultrasound a standard tool to quickly distinguish genetic from acquired forms, speeding up diagnosis and treatment for acquired cases.
- What could go wrong
- This is a small, retrospective study (50 patients) that only looks at existing data, so results may not apply to all patients. It is not testing a new treatment.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jan 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Adult patients diagnosed with sensory neuronopathy according to Camdessanché criteria, who underwent nerve ultrasound as part of routine clinical care. Patients are retrospectively identified from medical records across four French tertiary neurology centers between 2024 and 2025, including both acquired and genetic etiologies.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Sensory ganglionopathy diagnosed according to the criteria of Camdessanché et al. * Nerve ultrasound performed as part of routine clinical care. * Age \> 18 years. Exclusion Criteria: * Comorbid conditions that may interfere with the interpretation of sensory ganglionopathy. * Lack of consent (patient opposition to the use of clinical data for research).
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
More trials for these conditions
Other studies related to the condition(s) this trial covers.