期刊
BIOLOGY OF BLOOD AND MARROW TRANSPLANTATION
卷 20, 期 3, 页码 382-386出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.bbmt.2013.11.034
关键词
Allogeneic hematopoietic stem cell transplantation (HSCT); Poor graft function; CD34(+)-selected cells; Stem cell boost
We retrospectively analyzed outcomes of a CD34(+)-selected stem cell boost (SCB) without prior conditioning in 32 patients (male/22; median age of 54 years; range, 20 to 69) with poor graft function, defined as neutrophils <= 1.5 x 10(9)/L, and/or platelets <= 30 x 10(9)/L, and/or hemoglobin <= 8.5 g/dL). The median interval between stem cell transplantation and SCB was 5 months (range, 2 to 228). The median number of CD34(+) and CD3(+) cells were 3.4 x 10(6)/kg (.96 to 8.30) and 9 x 10(3)/kg body weight (range, 2 to 70), respectively. Hematological improvement was observed in 81% of patients and noted after a median of 30 days (range, 14 to 120) after SCB. The recipients of related grafts responded faster than recipients of unrelated grafts (20 versus 30 days, P = .04). The cumulative incidence of acute (grade II to IV) and chronic graft-versus-host disease (GVHD) after SCB was 17% and 26%, respectively. Patients with acute GVHD received a higher median CD3(+) cell dose. The 2-year probability of overall survival was 45%. We suggest that SCB represents an effective approach to improve poor graft function post transplantation, but optimal timing of SCB administration, anti-infective, and GVHD prophylaxis needs further evaluation. (C) 2014 American Society for Blood and Marrow Transplantation.
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