Trial to Reduce Alloimmunization to Platelets (TRAP)
2 other identifiers
interventional
N/A
0 countries
N/A
Brief Summary
To determine the best, clinically useful procedure to prevent or minimize platelet alloimmunization as a cause of refractoriness to platelet transfusion in patients undergoing marrow ablative chemotherapy for acute myelogenous leukemia.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Aug 1989
Longer than P75 for phase_3
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 1989
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 1997
CompletedFirst Submitted
Initial submission to the registry
October 27, 1999
CompletedFirst Posted
Study publicly available on registry
October 28, 1999
CompletedNovember 7, 2016
May 1, 2000
October 27, 1999
November 4, 2016
Conditions
Interventions
Eligibility Criteria
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Sponsors & Collaborators
Related Publications (3)
Kao KJ, Mickel M, Braine HG, Davis K, Enright H, Gernsheimer T, Gillespie MJ, Kickler TS, Lee EJ, McCullough JJ, et al. White cell reduction in platelet concentrates and packed red cells by filtration: a multicenter clinical trial. The Trap Study Group. Transfusion. 1995 Jan;35(1):13-9. doi: 10.1046/j.1537-2995.1995.35195090653.x.
PMID: 7998062BACKGROUNDTrial to Reduce Alloimmunization to Platelets Study Group. Leukocyte reduction and ultraviolet B irradiation of platelets to prevent alloimmunization and refractoriness to platelet transfusions. N Engl J Med. 1997 Dec 25;337(26):1861-9. doi: 10.1056/NEJM199712253372601.
PMID: 9417523BACKGROUNDDavis KB, Slichter SJ, Corash L. Corrected count increment and percent platelet recovery as measures of posttransfusion platelet response: problems and a solution. Transfusion. 1999 Jun;39(6):586-92. doi: 10.1046/j.1537-2995.1999.39060586.x.
PMID: 10378838BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
Hayden Braine
Johns Hopkins University
Kuo-Jang Kao
University of Florida
Jeffrey McCullough
University of Minnesota
Janice McFarland
Blood Center of Southeastern Wisconsin
Charles Schiffer
University of Maryland
Sherrill Schlichter
Bloodworks
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Purpose
- PREVENTION
- Sponsor Type
- NIH
Study Record Dates
First Submitted
October 27, 1999
First Posted
October 28, 1999
Study Start
August 1, 1989
Study Completion
July 1, 1997
Last Updated
November 7, 2016
Record last verified: 2000-05