Journal
PEDIATRIC BLOOD & CANCER
Volume 58, Issue 4, Pages 611-615Publisher
WILEY
DOI: 10.1002/pbc.23304
Keywords
decision-making; sickle cell; transplantation
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Background Bone marrow transplantation (BMT) using human leukocyte antigen (HLA)-matched sibling donors can be curative for children with sickle cell anemia (SCA). However, minimal data exist regarding availability of HLA-identical matched siblings for transplant-eligible children, and family interest in pursuing transplantation. Methods. We retrospectively analyzed a pediatric SCA cohort receiving chronic transfusions between July 2004 and January 2011. Data were analyzed regarding the number of full siblings and half-siblings, availability, and family interest in HLA testing the full siblings, and interest in proceeding with HLAmatched transplantation. Results. Among 113 patients, 46 (41%) had at least 1 full sibling and 40 (35%) had an unaffected full sibling who could serve as a BMT donor. The families of 23 of these patients (58%) agreed to HLA-type sibling, 8 of whom (35%) were matched. Transfusion indications for families agreeing to HLA typing included stroke (46%) abnormal TCD (29%), acute chest syndrome (21%), and other CNS reasons (4%). Common reasons to decline HLA typing or transplantation included fear of the process, toxicities of the procedure, and comfort with current quality of life on transfusions. Only 8 of 113 (7%) were eligible for matched BMT, and only 3 (3%) underwent HLA-matched transplantation. Two unmatched children received haploidentical transplantation. Conclusions. Most families of children with SCA on chronic transfusions choose to proceed with HLA typing. However, when a matched sibling was identified, most families declined to proceed with matched-sibling transplantation. Discussing BMT as a treatment option, offering HLA typing and identifying barriers may improve acceptance of this treatment modality. Pediatr Blood Cancer 2012; 58: 611-615. (C) 2011 Wiley Periodicals, Inc.
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