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Conditioning Regimen

Allogeneic stem cell transplantation in patients with Fanconi's anemia and myelodysplasia or leukemia utilizing low-dose cyclophosphamide and total body irradiation

Bone Marrow Transplantation volume 33, pages 15–17 (2004)Cite this article

Summary:

Five patients with confirmed Fanconi's anemia (FA) and myelodysplasia and/or leukemia underwent stem cell transplantation (SCT) from related donors at KFSHRC. The median age at SCT was 12.6 year (range, 6.2–15 years). Conditioning regimen consisted of cyclophosphamide (CY) 5 mg/kg/day i.v. for 4 days, total body irradiation (TBI) 450 cGy in a single dose. Graft-versus-host disease (GVHD) prophylaxis was with cyclosporine and antithymocyte globulins (ATG). The median time to engraftment (defined as ANC⩾0.5 × 109/l) was 16 days (range, 12–26 days). The median time to a self-sustaining platelet count of ⩾20 × 109/l was 27 days (range, 12–40 days). All patients engrafted. Two patients developed acute GVHD; one of the gut (grade 3) and the other of the skin (grade 1), and one patient developed chronic GVHD of the liver. Four are alive and well with no evidence of the disease; one patient died of bacterial sepsis after controlling her GVHD and clearing her pulmonary aspergillosis and CMV infection. We conclude that the use of low-dose CY plus TBI in patients with FA and MDS/AML undergoing SCT is adequate; the regimen is well tolerated and may be curative for such patients.

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Authors and Affiliations

  1. Department of Pediatric Hematology-Oncology, King Faisal Specialist Hospital & Research Center (KFSHRC), Riyadh, Saudi Arabia

    M Ayas, A Al-Jefri, M Al-Mahr, S Rifai, E Moussa, M Karaoui & H El-Solh

  2. Department of Pathology, King Faisal Specialist Hospital & Research Center (KFSHRC), Riyadh, Saudi Arabia

    G Roberts

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  1. M Ayas
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  2. A Al-Jefri
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  8. H El-Solh
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Correspondence to M Ayas.

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Ayas, M., Al-Jefri, A., Al-Mahr, M. et al. Allogeneic stem cell transplantation in patients with Fanconi's anemia and myelodysplasia or leukemia utilizing low-dose cyclophosphamide and total body irradiation. Bone Marrow Transplant 33, 15–17 (2004). https://doi.org/10.1038/sj.bmt.1704340

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