Abstract
BackgroundSplenic marginal zone lymphoma with or without villous lymphocytes (SLVL/SMZL) is an indolent lymphoma that typically affects elderly patients and that has a median survival >10 years. It presents with marked splenomegaly. Treatment is required in symptomatic cases. Splenectomy remains one of the first-line options in patients fit for surgery. The best pharmacological strategy has not yet been identified for poor surgical risk cases. Among different possible chemotherapeutic approaches, purine analogs, alone or in association with Rituximab, seem to be a valid therapeutic choice. Patients and methodsFifty SMZL patients were treated with Cladribine ± anti-CD20 monoclonal antibody. ResultsForty-seven of 50 patients were evaluable for response. ORR was 87%: 24 of 47 patients (51%) achieved a complete hematological response (CR), 17 of 47 (36%) a partial response (PR) and 6 (13%) resulted unresponsive. Interestingly, 15 of 24 cases (62%) in CR achieved also a molecular remission. After a median follow-up of 48 months, 7 of 41 responsive cases relapsed and the 5-year PFS was 80%. ConclusionsThese data confirm the efficacy of this schedule emphasizing the impact of minimal residual disease even in the outcome of SMZL patients.
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