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Scientists launch 5-Year quest to unlock CMT1A's secrets

NCT ID NCT06794489

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study follows 75 adults with CMT1A and 25 healthy volunteers over five years to track how the disease progresses. Researchers will analyze blood and skin samples to find biomarkers that could make future clinical trials faster and more reliable. The goal is to better understand why symptoms vary so much between patients and to build a tissue bank for ongoing research.

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 identify reliable biomarkers that make it easier to test new treatments for CMT1A in future clinical trials.
What could go wrong
This is an observational study, not a treatment trial. It will not directly improve symptoms, and the biomarkers identified may not prove useful in later drug studies.

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

About 75 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2024

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

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

Participants from the Biomarkers and Validation of Selected Outcome Measures (CMTNSmod) study (ClinicalTrials.gov ID NCT03386266)

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Clinical CMT Diagnosis / Anamnestically Healthy Control Group * Genetic confirmation of CMT in adult patients * Ability to achieve the outcome measure at baseline * Age between 18 and 65 years * Capacity of all study participants to consent and signed informed consent, including patient or participant information and consent form Exclusion Criteria: * Pregnancy or breastfeeding period * Other relevant neurological or psychiatric disorders, acute or in the past history * Presence of a serious previous internal disease

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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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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.

Contacts and locations

Locations

  • University Medical Centre

    RECRUITING

    Göttingen, Lower Saxony, 37075, Germany

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