deltatrials
Active Not Recruiting OBSERVATIONAL NCT05201833

TRACK-TBI Longitudinal Biomarker Study (TRACK-BIO)

Transforming Research and Clinical Knowledge in Traumatic Brain Injury (TRACK-TBI)- a Longitudinal Biomarker Study

Sponsor: National Football League

Conditions Traumatic Brain Injury
Interventions 3T Magnetic Resonance Imaging (MRI) Blood Draw In-Person Outcome Assessment Telephone Outcome Assessment
Updated 6 times since 2022 Last updated: Jul 11, 2025 Started: Mar 1, 2022 Primary completion: Feb 28, 2026 Completion: Feb 28, 2027
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Traumatic Brain Injury, this trial is ongoing. The trial is conducted by National Football League and has accumulated 6 data snapshots since 2022. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Feb 2022 – ~Jul 2022 · 5 months · monthly snapshotEnrolling By Invitation~Jul 2022 – ~Jul 2023 · 12 months · monthly snapshotEnrolling By Invitation~Jul 2023 – ~Jul 2024 · 12 months · monthly snapshotEnrolling By Invitation~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Aug 2025 · 11 months · monthly snapshotEnrolling By Invitation~Aug 2025 – present · 13 months · monthly snapshotActive Not Recruiting

Change History

6 versions recorded

  1. Aug 2025 — Present [monthly]

    Active Not Recruiting

    Status: Enrolling By Invitation → Active Not Recruiting

  2. Sep 2024 — Aug 2025 [monthly]

    Enrolling By Invitation

  3. Jul 2024 — Sep 2024 [monthly]

    Enrolling By Invitation

  4. Jul 2023 — Jul 2024 [monthly]

    Enrolling By Invitation

  5. Jul 2022 — Jul 2023 [monthly]

    Enrolling By Invitation

▶ Show 1 earlier version

  1. Feb 2022 — Jul 2022 [monthly]

    Enrolling By Invitation

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Football League
  • National Institute of Neurological Disorders and Stroke (NINDS)
  • University of Pennsylvania
Data source: University of Pennsylvania

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Austin, United States , Charlestown, United States , Cincinnati, United States , Dallas, United States , Houston, United States , Philadelphia, United States , Pittsburgh, United States , Richmond, United States , Salt Lake City, United States , San Francisco, United States and 1 more location