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Massive study aims to unlock genetic secrets of movement disorders

NCT ID NCT00018889

Knowledge-focused Sponsor: National Institute of Neurological Disorders and Stroke (NINDS) Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Sep 18, 2026 · Updated 8 times

Summary

This study aims to understand the link between genes and symptoms in people with inherited movement disorders. Researchers will study up to 2,500 participants, including patients and their family members, to identify new disease-causing genes and improve diagnosis. The goal is to better characterize these disorders and determine eligibility for future research studies.

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 research could identify new genes and biomarkers for movement disorders, leading to better diagnosis and potential future treatments.
What could go wrong
This is an observational study, not a treatment trial. It may not directly benefit participants, and finding meaningful genetic links is uncertain.

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 2,500 people

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

Started

Oct 2001

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Subjects older than 2 years old with movement disorders and their family members will be enrolled. Patients with diseases of known molecular basis will be genotyped in order to investigate phenotype/genotype correlations. Patients with disease of unknown or incomplete genetic characterization will be studied with a hope of contributing to the identification of specific disease-causing genes and genetic mechanisms and/or peripheral bio-signatures involved in a particular disorder.

Ages

2 to 100 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

* INCLUSION CRITERIA: * Individuals with suspected movement disorders * Family members of movement disorders patients * Ability to give informed consent or have a legally authorized representative able to give consent (for adults without consent capacity) or parent/guardian able to provide informed consent (for a child) * If unable to give informed consent, ability to give assent (for children or adults without consent capacity) * NIH Employees can participate in this study if they meet eligibility. EXCLUSION CRITERIA: * Pregnant women * Children less than 2 years of age * Employees of the Parkinson's Disease Clinic, NINDS Exclusion criteria for MRI * Presence of metal in subject s body which would make having an MRI scan unsafe, such as pacemakers, stimulators, pumps, aneurysm clips, metallic prostheses, artificial heart valves, cochlear implants or shrapnel fragments, or if subject was a welder or metal worker, since small metal fragments in the eye may be present. * Subject is uncomfortable in small closed spaces (have claustrophobia) so that they would feel uncomfortable in the MRI machine. * Unable to lie comfortably on back for up to 1 hour * Under 12 years of age There is no general exclusion for NIH employees.

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Conditions

The condition(s) this trial relates to.

essential tremor movement disorder Spinocerebellar Degenerations

As listed by the trial registrant

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

Movement disorder

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

  • National Institutes of Health Clinical Center

    RECRUITING

    Bethesda, Maryland, 20892, United States

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Other studies related to the condition(s) this trial covers.