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- Title
Conditioning with TLI/ATG in Hematopoietic Stem Cell Transplantation from Haploidentical Donors with Post-transplant Cyclophosphamide in Children in a Single Center During 2015-2017.
- Authors
Acevedo-HENAO, Catalina María; Romero-ROSAS, Nelson; BELTRAN, Estefania; MANZI, Eliana; MORENO, Alexis Antonio Franco; ESTACIO, Mayra; STEIN, Guillermo Potdevin; VALENCIA, Diego Medina
- Abstract
Hematopoietic stem cell transplantation is a treatment alternative for some benign blood disorders. The use of nonmyeloablative conditioning with total lymphoid irradiation and anti-thymocyte globulin has decreased the incidence of acute graft-versus-host disease and can reduce the complications of total body irradiation and generate sustained chimerism. Posttransplant cyclophosphamide has also shown benefits. This is a retrospective, case-series study of pediatric patients with benign pathologies who were treated at Fundación Valle del Lili. A descriptive analysis was performed with measures of central tendency. Survival outcomes were calculated using the Kaplan-Meier estimator. Twelve patients (50% female) with benign blood disorders were included, with an average age of 8.2 ± 5.7 years. The type of donor was haploidentical in all cases; in half, the cellular source was bone marrow. Fifty percent had a diagnosis of immunodeficiencies. The average follow-up time was 28.9 months. The total lymphoid irradiation dose corresponded to a median of 750 centigrays (IQR: 400-750). Neutrophil grafting was achieved in 12/12 patients, and platelet grafting was achieved in 11/12 patients. The presentation of acute graft-versus-host disease was 58%. The transplant related mortality was 17%, and the 1-year overall survival was 83%. Conditioning with total lymphoid irradiation and anti-thymocyte globulin and the use of posttransplant cyclophosphamide is a viable alternative; however, it did not decrease the cases of acute graft-versus-host disease.
- Subjects
HEMATOPOIETIC stem cell transplantation; TOTAL body irradiation; GRAFT versus host disease; KAPLAN-Meier estimator; CHILD patients; AUTOIMMUNE hemolytic anemia
- Publication
UHOD: International Journal of Hematology & Oncology / Uluslararasi Hematoloji Onkoloji Dergisi, 2020, Vol 30, Issue 4, p222
- ISSN
1306-133X
- Publication type
Article
- DOI
10.4999/uhod.204871