Abstract • 162
We performed 57 unrelated BMT in children of whom 35 (61 %) in HLA mismatched (MM) situation : 72 % with hematological diseases of whom 85 % malignant, 23 % LSD and 5 % CID. 3 patients (pts) were transplanted twice from same donor. Conditioning regimen included chemotherapy alone or associated to TBI plus ciclosporine and methotrexate for GVHD prophylaxis. 3 pts received T depleted marrow. Rabbit anti lymphocyte globulin (ALG) Merieux (20 mg/kg total dose) was done pre graft in most of cases (83 %). ALG was administered in 41/57 pts (72 %). (Table)
61 % of patients had malignant hemopathies in ALG group and 62 % in non ALG group : relapse free survival is respectively 87 % and 44 % at 3 years (p = 0,06). Results are good in patients who received ALG and we noticed improvement of engraftment, non increased relapse risk and GVHD percentage despite an higher number of HLA mismatches.
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Souillet, G., Rey, S., Chapuis, F. et al. Utilisation of Anti Lymphocyte Globulin in 57 Unrelated Bone Marrow Transplantations in Children. Pediatr Res 45 (Suppl 5), 770 (1999). https://doi.org/10.1203/00006450-199905010-00192
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DOI: https://doi.org/10.1203/00006450-199905010-00192