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  • Title: Granulocyte transfusion therapy for infections in candidates and recipients of HPC transplantation: a comparative analysis of feasibility and outcome for community donors versus related donors.
    Author: Hübel K, Carter RA, Liles WC, Dale DC, Price TH, Bowden RA, Rowley SD, Chauncey TR, Bensinger WI, Boeckh M.
    Journal: Transfusion; 2002 Nov; 42(11):1414-21. PubMed ID: 12421213.
    Abstract:
    BACKGROUND: Feasibility, response to granulocyte transfusion therapy, and clinical outcome were compared among HPC transplant recipients enrolled in a prospective study of a community blood bank-based unrelated donors program, a prospective granulocyte study using family donors, and matched control patients without granulocyte transfusion therapy. STUDY DESIGN AND METHODS: Overall, 40 patients (327 collections) received granulocyte concentrates from unrelated donors, 34 patients (219 collections) received granulocyte concentrates from related donors, and 74 patients served as controls. Study entry criteria for patients included an absolute neutrophil count (ANC) of less than 200 per microL and documented invasive fungal or bacterial infections. RESULTS: There was a median delay of 3 days (range, 0-14) in patients receiving transfusions from unrelated donors between day of diagnosis of infection and start of granulocyte transfusion therapy as compared with a median delay of 5 days (range, 0-25) in patients receiving transfusions from related donors (p = 0.01). The ANC increment after the first, second, and seventh transfusions in patients who had community donors was significantly higher or comparable to patients who had family donors. Overall, clinical outcome was comparable between the three patient groups. Kaplan-Meier analysis revealed no difference between all cohorts in overall 6-month survival (p = 0.28, log-rank) or event-free survival (p = 0.17, log-rank). CONCLUSION: These results suggest that future efficacy trials should consider inclusion of unrelated community donors for timely institution of granulocyte transfusion therapy.
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