Journal
JOURNAL OF CLINICAL ONCOLOGY
Volume 23, Issue 25, Pages 6163-6171Publisher
AMER SOC CLINICAL ONCOLOGY
DOI: 10.1200/JCO.2005.02.774
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- PHS HHS [33572, 30206] Funding Source: Medline
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Purpose Sezary syndrome (SS) and tumor-stage mycosis fungoides (MF) are generally incurable with currently available treatments. We conducted a retrospective study to evaluate the outcome of allogeneic hematopoietic stem-cell transplantation (HSCT) in this patient population. Patient and Methods From August 1996 through October 2002, eight patients with advanced MF/SS underwent allogeneic HSCT at our institution. All patients were heavily pretreated, having failed a median number of seven prior therapies (range, five to 12). Clonal T-cell populations in peripheral blood or bone marrow were detectable by polymerase chain reaction analyses of T-cell receptor gamma-chain gene rearrangements in six patients and cytogenetics in three patients. The conditioning regimen included total-body irradiation and cyclophosphamide (n = 3), busulfan and cyclophosphamide (n = 1), and the reduced-intensity regimen of fludarabine and melphalan (n = 4). Allogeneic hematopoietic stem cells were obtained from HLA-matched siblings (n = 4) and unrelated donors (n = 4). Results All patients achieved complete clinical remission and resolution of molecular and cytogenetic markers of disease within 30 to 60 days after HSCT. Two patients died from transplantation-related complications; graft-versus-host disease (GVHD; n = 1) and respiratory syncytial virus pneumonia (n = 1). With a median follow-up of 56 months, six patients remain alive and without evidence of lymphoma. Conclusion Our results suggest that allogeneic HSCT from both HLA-matched sibling and unrelated donors can induce durable clinical, molecular, and cytogenetic remissions in patients with advanced cutaneous T-cell lymphoma that is refractory to standard therapies.
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