deltatrials
Completed PHASE2 INTERVENTIONAL 2-arm NCT04726410

Cold-stored Platelet Early Intervention in TBI (CriSP-TBI)

Cold Stored Platelet Early Intervention in Traumatic Brain Injury Trial

Sponsor: Jason Sperry

Updated 16 times since 2021 Last updated: Apr 28, 2025 Started: Mar 21, 2022 Primary completion: May 13, 2024 Completion: May 13, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE2 trial investigates Traumatic Brain Injury and is currently completed. Jason Sperry leads this study, which shows 16 recorded versions since 2022 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Feb 2021 – ~May 2021 · 3 months · monthly snapshot~May 2021 – ~Dec 2021 · 7 months · monthly snapshot~Dec 2021 – ~Feb 2022 · 2 months · monthly snapshot~Feb 2022 – ~May 2022 · 3 months · monthly snapshot~May 2022 – ~Feb 2023 · 9 months · monthly snapshot~Feb 2023 – ~Aug 2023 · 6 months · monthly snapshot~Aug 2023 – ~Nov 2023 · 3 months · monthly snapshot~Nov 2023 – ~Apr 2024 · 5 months · monthly snapshot~Apr 2024 – ~Jun 2024 · 2 months · monthly snapshot~Jun 2024 – ~Jul 2024 · 30 days · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – ~Feb 2025 · 5 months · monthly snapshot~Feb 2025 – ~May 2025 · 3 months · monthly snapshot~May 2025 – ~Jun 2025 · 31 days · monthly snapshot~Jun 2025 – present · 13 months · monthly snapshot

Change History

16 versions recorded
  1. Jun 2025 — Present [monthly]

    Completed PHASE2

  2. May 2025 — Jun 2025 [monthly]

    Completed PHASE2

  3. Feb 2025 — May 2025 [monthly]

    Completed PHASE2

  4. Sep 2024 — Feb 2025 [monthly]

    Completed PHASE2

  5. Aug 2024 — Sep 2024 [monthly]

    Completed PHASE2

Show 11 earlier versions
  1. Jul 2024 — Aug 2024 [monthly]

    Completed PHASE2

    Status: Active Not RecruitingCompleted

  2. Jun 2024 — Jul 2024 [monthly]

    Active Not Recruiting PHASE2

  3. Apr 2024 — Jun 2024 [monthly]

    Active Not Recruiting PHASE2

  4. Nov 2023 — Apr 2024 [monthly]

    Active Not Recruiting PHASE2

    Status: RecruitingActive Not Recruiting

  5. Aug 2023 — Nov 2023 [monthly]

    Recruiting PHASE2

  6. Feb 2023 — Aug 2023 [monthly]

    Recruiting PHASE2

  7. May 2022 — Feb 2023 [monthly]

    Recruiting PHASE2

    Status: Not Yet RecruitingRecruiting

  8. Feb 2022 — May 2022 [monthly]

    Not Yet Recruiting PHASE2

  9. Dec 2021 — Feb 2022 [monthly]

    Not Yet Recruiting PHASE2

  10. May 2021 — Dec 2021 [monthly]

    Not Yet Recruiting PHASE2

  11. Feb 2021 — May 2021 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Jason Sperry
  • United States Department of Defense
Data source: University of Pittsburgh

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

Study Locations