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Brain injury study tracks tissue loss over three years

NCT ID NCT05725993

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study follows 110 people with moderate to severe traumatic brain injury (TBI) for up to 3 years to see how their brains change compared to healthy individuals. Participants will give blood samples, have MRI scans, and take thinking and memory tests. The goal is to measure how fast brain tissue is lost after injury, which may help improve future care.

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 110 people

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

Started

Feb 2022

Expected to finish

Mar 2027

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

TBI subjects will be recruited directly from University of Pennsylvania Health System during their hospital stay. Healthy control subjects will be recruited via clinical practices, referring physicians, advertisements, Penn media services, social media avenues, iConnect, and community flyer.

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: 1. Age 18-65, inclusive 2. History of non-penetrating TBI of at least moderate severity (defined by evidence of trauma-related neuroimaging abnormality on cranial computerized tomography (CT) scan. 3. High-velocity, high-impact injury mechanism consistent with diffuse axonal injury (e.g., motor vehicle accident, fall from height, etc.) 4. Immediate loss of consciousness (cases with delayed loss of consciousness due to expanding lesions will be excluded) Exclusion Criteria: 1. History of premorbid disabling neurological or psychiatric disease (such as epilepsy, brain tumors, meningitis, cerebral palsy, encephalitis, brain abscesses, vascular malformations, cerebrovascular disease, Alzheimer's disease, multiple sclerosis, HIV-encephalitis) 2. History of premorbid disability condition that would interfere with outcome assessments 3. Bilaterally absent pupillary Reponses 4. Penetrating TBI 5. Elevated intracranial pressure (≥ 17 mmHg) 6 Contradictions to contrast-enhanced MRI (e.g., ferromagnetic implants, pregnancy, allergy to gadolinium contrast, renal impairment \[GFR \< 60ml/g/m3\], claustrophobia, hemodynamic instability) 7\. Prisoners, patients in police custody 8. Objective lung disease (PaCO2 at rest \> 50 mmHg or venous serum bicarbonate \> 26 mEg/L) based on any labs available for review from patient's clinical care. Note that these will not be checked solely for study purposes 9.Requiring portable oxygen at enrollment 10. Chronic heart failure, severe pulmonary disease 11. Current substance abuse that precludes participation and follow-up in the study, as determined by the study investigators 12. If there is medical or other disability that precludes completion of the study procedures as determined by the study investigators

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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.

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 of Pennsylvania

    RECRUITING

    Philadelphia, Pennsylvania, 19041, United States

More trials for these conditions

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