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  • Title: Post-transplant lymphoproliferative disease after allogeneic hematopoietic stem cell transplantation: a single-center experience.
    Author: Luo L, Zhang L, Cai B, Li H, Huang W, Jing Y, Zhu H, Zhao Y, Bo J, Wang Q, Han X, Yu L, Gao C.
    Journal: Ann Transplant; 2014 Jan 08; 19():6-12. PubMed ID: 24399278.
    Abstract:
    BACKGROUND: Post-transplant lymphoproliferative disease (PTLD) is a rare and serious complication after allogeneic hematopoietic stem cell transplantation (allo-HSCT) or solid organ transplantation. MATERIAL/METHODS: We conducted a retrospective analysis of the occurrence of post-transplant lymphoproliferative disease in allo-HSCT recipients over 12 years in a single center in China. A total of 343 patients received allo-HSCT. The conditioning therapy consisted of a busulfan/cyclophosphamide-based regimen, a fludarabine/cyclophosphamide-based regimen, or total-body irradiation and cyclophosphamide. In transplantations from unrelated donors and haplo-identical donors, patients also received antithymocyte globulin (ATG) or thymoglobulin as part of the conditioning. RESULTS: Five of the 343 patients (1.46%) were diagnosed with PTLD and all 5 were given ATG as part of conditioning. Among these 5 patients, 4 had lymphoid neoplasm before transplantation. EBV-positivity was confirmed in 4 patients. All 5 PTLD patients received reduction of immunosuppression (RI) as fundamental therapy. At follow-up on April 1, 2013, 1 patient had survived for 2 years and 1 had survived for 9 years. The correlation of PTLD with ATG and underlying diseases were examined by statistical analysis using the chi-squared test or Fisher's exact test (P=0.011 and 0.025, respectively). CONCLUSIONS: Although only 1.46% of patients progressed to PTLD associated with ATG and underlying diseases, the mortality was still high. Moreover, RI can be an effective therapy for PTLD patients, but other approaches should be further explored.
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