Abstract
Nodular lymphocyte predominant Hodgkin lymphoma (NLPHL) is a distinct subtype of Hodgkin lymphoma. We report our results of relapsed/refractory NLPHL patients who received high-dose chemotherapy and autogenic stem cell transplantation (HDC auto-SCT). Seventeen NLPHL patients received HDC auto-SCT (1996–2014): male 14 and female 3, with median age at diagnosis of 22 years, at HDC auto-SCT 28 years (15–58 years). At the time of relapse/progression, 13 (76 %) had NLPHL and 4 (24 %) had transformed diffuse large B cell lymphoma. The reason for HDC auto-SCT was refractory NLPHL in 12 patients and relapsed in 5 patients. Salvage chemotherapy was etoposide, methylprednisolone, cisplatinum, and Ara-C (ESHAP); eight patients also received rituximab with ESHAP. HDC was carmustine, etoposide, cytarabine, and melphalan (BEAM). Post-auto-SCT, complete remission was achieved in 14 (82 %), partial remission in 1 (6 %), and progressive disease in 2 (12 %) patients. The median follow-up is 63 months from auto-SCT (6–124 months). Of the nine patients who received only ESHAP, four had post-auto-SCT events versus no event in all eight patients who received rituximab+ESHAP. Kaplan–Meier estimates of 5-year event-free survival for the whole group is 76 %: rituximab+salvage (100 %) versus salvage alone (56 %), P=0.041. Overall survival is 94 %: 100 versus 89 %, respectively, P=not significant (NS). Even in refractory NLPHL patients, long-term disease-free survival is possible after HDC auto-SCT. Post-auto-SCT relapse or progression can still be managed with chemo/chemo+immunotherapy/ radiation. These encouraging results of rituximab in salvage setting should be explored further in a clinical trial setting for this patient population.
Published Version
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