Type O Whole Blood and Assessment of Age During Prehospital Resuscitation Trial
Public ClinicalTrials.gov record NCT04684719. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Type O Whole Blood and Assessment of Age During Prehospital Resuscitation (TOWAR) Trial
Study identification
- NCT ID
- NCT04684719
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Jason Sperry
- Other
- Enrollment
- 1,020 participants
Conditions and interventions
Conditions
Interventions
- Standard Care Biological
- low titer whole blood Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years to 89 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 18, 2022
- Primary completion
- Jul 27, 2025
- Completion
- Aug 11, 2025
- Last update posted
- Feb 11, 2026
2022 – 2025
United States locations
- U.S. sites
- 10
- U.S. states
- 8
- U.S. cities
- 10
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama at Birmingham | Birmingham | Alabama | 35294 | — |
| University of Louisville | Louisville | Kentucky | 40292 | — |
| University of Mississippi Medical Center (UMMC) | Jackson | Mississippi | 39216 | — |
| University of Cincinatti | Cincinnati | Ohio | 45267 | — |
| Metrohealth Systems | Cleveland | Ohio | 44109 | — |
| University of Pittsburgh | Pittsburgh | Pennsylvania | 15213 | — |
| University of Tennessee Medical Center | Knoxville | Tennessee | 37920 | — |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37232 | — |
| University of Texas Health Science Center at Houston | Houston | Texas | 77030 | — |
| University of Washington | Seattle | Washington | 98104 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04684719, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 11, 2026 · Synced May 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04684719 live on ClinicalTrials.gov.