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Haploidentical hematopoietic stem cell transplantation for adult patients with Epstein-Barr virus-associated hemophagocytic lymphohistiocytosis.

Research paper by Zhihui Z Li, Yini Y Wang, Jingshi J Wang, Jia J Zhang, Zhao Z Wang

Indexed on: 03 Jun '17Published on: 03 Jun '17Published in: Leukemia & lymphoma



Abstract

To assess the efficacy of haploidentical hematopoietic stem cell transplantation (HSCT) in adult patients with Epstein-Barr virus-associated hemophagocytic lymphohistiocytosis (EBV-HLH), we retrospectively analyzed 30 cases that presented at our institution. At the time of HSCT, 20 patients (66.7%) had achieved a response after receiving HLH-94 or salvage therapies. All patients underwent myeloablative conditioning followed by peripheral blood HSCT from their related, haploidentical donors. Twenty-six patients (86.7%) achieved donor cell engraftment. Of these, 23 (88.5%) achieved complete chimerism and three (11.5%) demonstrated mixed chimerism. Reactivated EBV infection was found in 25 (96.2%). Acute graft-versus-host disease occurred in 18 (69.2%), with grade I-II in 11 patients and grade III-IV in seven. Chronic graft-versus-host disease occurred in six (23.1%). Nineteen patients survived until the end of follow-up. The three-year overall survival rate was 63.3%. Our results indicate that haploidentical HSCT is an effective treatment for adult patients with EBV-HLH.

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