NCT00001367

Brief Summary

This protocol is a screening and natural history protocol, which allows for evaluation of patients and families where neurological conditions are present for enrollment into other studies and will also be used to screen healthy volunteers to create a pool of potential future HV matches for HMCS protocols. Through diagnostic evaluations, data will be collected for research use in this study.

Trial Health

80
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
3,813

participants targeted

Target at P75+ for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 30, 1993

Completed
6.1 years until next milestone

First Submitted

Initial submission to the registry

November 3, 1999

Completed
1 day until next milestone

First Posted

Study publicly available on registry

November 4, 1999

Completed
Last Updated

March 31, 2026

Status Verified

November 7, 2025

First QC Date

November 3, 1999

Last Update Submit

March 28, 2026

Conditions

Keywords

Healthy VolunteerNervous System DiseaseNatural History

Outcome Measures

Primary Outcomes (1)

  • to screen patients with neurological conditions and family members of patients with neurological conditions for enrollment in additional research protocols

    The goal is to screen patients with neurological conditions and family members of patients with neurological conditions for enrollment in additional research protocols. No investigational treatments will be administered on this protocol and the NIH physicians will be playing a consultative role to the patient s primary physician.

    ongoing

Study Arms (3)

family members

Family Members who are 2 years old or older of people with a neurological disorder

healthy volunteers

healthy volunteers age 18 and older

patients

subjects with neurological disorders who are 2 years old or older

Eligibility Criteria

Age2 Years - 100 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

The following population groups may participate: - Subjects with neurological disorders who are 2 years old or older, - Family members who are 2 years old or older of people with a neurological disorder, - Healthy volunteers who are 18 years old or older.

You may qualify if:

  • Patients with neurological disorders and subjects with a family history of neurological conditions OR
  • Healthy volunteers: People age 18 or older who are generally in good health.

You may not qualify if:

  • Patients \<2 years old.
  • Employees of HMCS in NINDS.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National Institutes of Health Clinical Center

Bethesda, Maryland, 20892, United States

Location

Related Links

MeSH Terms

Conditions

Nervous System Diseases

Study Officials

  • Debra J Ehrlich, M.D.

    National Institute of Neurological Disorders and Stroke (NINDS)

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
NIH
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 3, 1999

First Posted

November 4, 1999

Study Start

September 30, 1993

Last Updated

March 31, 2026

Record last verified: 2025-11-07

Locations