• Bone Marrow Transplant. · Dec 2012

    Anti-thymocyte globulin for conditioning in matched unrelated donor hematopoietic cell transplantation provides comparable outcomes to matched related donor recipients.

    • D A Portier, R T Sabo, C H Roberts, D S Fletcher, J Meier, W B Clark, M C Neale, M H Manjili, J M McCarty, H M Chung, and A A Toor.
    • Bone Marrow Transplant Program, Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, USA.
    • Bone Marrow Transplant. 2012 Dec 1; 47 (12): 1513-9.

    AbstractRabbit anti-thymocyte globulin (ATG) is used as prophylaxis against GVHD following allogeneic hematopoietic cell transplantation (HCT). At our institution, ATG is exclusively used in the conditioning of matched unrelated donor (URD) transplant recipients. A total of 50 URD HCT recipients who received ATG (ATG group) were retrospectively compared with 48 matched related donor (MRD) HCT recipients who did not receive ATG (no ATG group). There were no significant differences between the groups in rates of day 100 mortality, acute GVHD or relapse. Chronic GVHD incidence was significantly lower in the ATG group (P = 0.007). At a median follow-up of 36 months in the entire cohort, 50% patients are alive in the ATG group and 63% of the patients are alive in the no ATG group (P = 0.13). We conclude that the administration of ATG to patients undergoing URD HCT preserves the anti-leukemia benefit of the transplant, while reducing the risk of developing GVHD, resulting in OS rates that are comparable to MRD HCT recipients.

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