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Updated: Sep 30, 2026

Detection of Residual Donor Erythroid Progenitor Cells after Hematopoietic Stem Cell Transplantation for Patients with Hemoglobinopathies
Published on: September 6, 2017
Second transplant for a thalassemia patient after graft rejection: with immunosuppression and allogeneic peripheral
Chi Kong Li1, Matthew Ming Kong Shing, Ki Wai Chik
1Department of Paediatrics, Prince of Wales Hospital, The Chinese University of Hong Kong. ckli@cuhk.edu.hk
Abstract:
A 13-year old girl suffering from beta-thalassaemia major received bone marrow transplantation (BMT) from her HLA identical bother. After initial engraftment, she developed mixed chimerism. Secondary graft rejection occurred at 10 months after BMT and resulted in marrow aplasia. A second transplant with the same bone marrow donor was performed. The patient was conditioned with antithymocyte globulin 90 mg/kg followed by peripheral blood stem cell infusion. There was prompt engraftment and patient reverted to complete chimerism. There were no severe treatment-related complications or acute or chronic graft versus host disease after second transplant. The patient remained transfusion independent at 26 months after second transplant.
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