Track this trial free. DataLookout checks ClinicalTrials.gov daily and emails you which fields changed on NCT05638581 (status, enrollment, completion dates, endpoints, sites) when this record is updated. Free accounts track up to 5 trials.

Track this trial

Trauma Resuscitation With Low-Titer Group O Whole Blood or Products

Study acronym: TROOP
StatusCompleted
PhasePhase 3
Started
View on ClinicalTrials.gov ↗

Record History

  1. Trial completed Primary completion date changed from estimate of Dec 31, 2026 to Aug 4, 2026 · Eligibility criteria expanded, about 19 words · Secondary endpoints: details revised at 6 of 12 entries · 2 more Show 5 more changesShow less
    • Primary completion date changed from estimate of Dec 31, 2026 to Aug 4, 2026
    • Eligibility criteria expanded, about 19 words
    • Secondary endpoints: details revised at 6 of 12 entries
    • Site details revised at 13 of 13 sites
    • Publications: details revised at 2 of 2 entries
  2. 4 versions Re-verified since Feb 29, 2024, no change to tracked fieldsv6-v9
  3. Trial status: Not Yet Recruiting to Recruiting Start date changed from estimate of Jul 31, 2023 to Jul 27, 2023 · Site details revised at 13 of 13 sitesv5 Show 2 more changesShow less
    • Start date changed from estimate of Jul 31, 2023 to Jul 27, 2023
    • Site details revised at 13 of 13 sites
  4. Start date: Jun 1, 2023 to Jul 31, 2023v4
  5. Start date: Apr 15, 2023 to Jun 1, 2023 Study sites: 12 to 13v3 Show 1 more changeShow less
    • Study sites: 12 to 13
  6. Eligibility criteria expanded, about 16 words Study description expanded, about 1 wordv2 Show 1 more changeShow less
    • Study description expanded, about 1 word

    See this version in full on ClinicalTrials.gov ↗

  7. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The goal of this clinical trial is to compare the effectiveness of unseparated whole blood (referred to as Low-Titer Group O Whole Blood) and the separate components of whole blood (including red cells, plasma, platelets, and cryoprecipitate) in critically injured patients who require large-volume blood transfusions.
Trial Details
NCT Number NCT05638581
Lead Sponsor University of Alabama at Birmingham
Collaborators: National Heart, Lung, and Blood Institute (NHLBI), The University of Texas Health Science Center, Houston
Conditions Wounds and Injuries, Shock, Hemorrhagic
Enrollment 1,100 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov