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No treatment, just data: TBI study recruits for future research

NCT ID NCT01287156

Knowledge-focused Sponsor: National Institute of Nursing Research (NINR) Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 25, 2026 · Updated 15 times

Summary

This study did not test any treatment. Instead, it screened over 1,300 adults with traumatic brain injury (TBI) or post-concussive symptoms to create a database for future research. Participants provided medical history, blood samples, MRI scans, and brain function tests. The goal was to make it easier for researchers to find volunteers for later studies on TBI recovery and brain changes.

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

1,328 people

The number who actually took part.

Started

Jan 2013

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

Enrollment in this protocol will occur at a participating site MedStar Washington Hospital Center (WHC) or Johns Hopkins Suburban Hospital (Suburban), or at the NIH Clinical Center (NIH CC). Applicable study procedures will depend on the visit site, diagnostic certainty, and logistic considerations such as distance from NIH and feasibility of transport. All subjects will undergo a study visit at a participating enrollment site and/or the NIH Clinical Center. Subjects enrolled acutely at the NIH CC may undergo an additional study visit at the NIH. Phone follow-up will occur at 6-months, 1 year from initial consent. Additional subject follow-up contact will be made should @@@a subject become eligible for referral to another eligible protocol.@@@

Ages

18 years and older

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: To be included, participants must meet all of the following: * Age greater than or equal to 18 years of age * Report having symptoms or diagnosis of concussion, TBI, post concussional syndrome, or post concussional disorder. * Are able to provide informed consent or, have a legally authorized representative (LAR) provide consent. * Are willing to have their contact information and data shared and stored by the CNRM for referral to current and future CNRM studies EXCLUSION CRITERIA: -Are unwilling or unable to cooperate with the study procedures

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Conditions

The condition(s) this trial relates to.

Brain Injuries, Traumatic traumatic brain injury

As listed by the trial registrant

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

Traumatic brain injury

Contacts and locations

Locations

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States

  • Suburban Hospital

    Bethesda, Maryland, 20814, United States

  • Virginia Commonwealth University Medical Center

    Richmond, Virginia, 23298, United States

  • Washington Hospital Center

    Washington D.C., District of Columbia, 20010, United States

More trials for these conditions

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