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Boletín médico del Hospital Infantil de México
versão impressa ISSN 1665-1146
Resumo
RUIZ-ARGUELLES, Guillermo J.; MORALES-TOQUERO, Amelia; GOMEZ- RANGEL, José David e LOPEZ-MARTINEZ, Briceida. Non-myeloablative stem cell transplantation in children and adolescents: a single institucional experience. Bol. Med. Hosp. Infant. Mex. [online]. 2005, vol.62, n.2, pp.88-95. ISSN 1665-1146.
Introduction. Bone marrow transplantation is a curative option in some children with diverse underlying diseases. Material and methods. Using the "Mexican" protocol to conduct allogeneic non-myeloablative stem cell transplantation (NST), we have prospectively carried out, in a single institution, 26 allo-grafts in 20 individuals aged 1 to 18 years. Patients with both malignant (acute lymphoblastic leukemia, acute myelogenous leukemia and chronic myelogenous leukemia) and non-malignant (aplastic anemia, Blackfan-Diamond syndrome and homozygous thalassemia) conditions were included. Median age of the patients was 9 years (range 1-18). Results. Median follow-up time is 184 days (range 14-1 796). In 10 of 26 allograft (38%) acute graft versus host disease (GVHD) was observed, whereas chronic GVHD was present in 4 out of 19 (21 %) grafts followed for 100 days or more. The 100-day mortality was 19% and 12 patients experienced a post-transplant relapse of the malignancy. The 1 796 day's overall-survival was 44%. Conclusions. We report our experience with non-myeloablative stem cell transplantation in children and adolescents with both malignant and non-malignant underlying hematologic conditions. Although the experience is limited our results are very promising; moreover, due to the diminished toxicity and reduced cost, this approach seems to be a good alternative to allograft these types of patients in developing countries.
Palavras-chave : Bone marrow transplantation; stem cells; children; non myeloablative conditioning.