• Eur. J. Haematol. · Feb 2011

    Multicenter Study

    Cladribine combined with rituximab (R-2-CdA) therapy is an effective salvage therapy in relapsed or refractory indolent B-cell non-Hodgkin lymphoma.

    • Hirokazu Nagai, Michinori Ogura, Shigeru Kusumoto, Naoto Takahashi, Motoko Yamaguchi, Nobuyuki Takayama, Tomohiro Kinoshita, Toshiko Motoji, Kazuma Ohyashiki, Hiroshi Kosugi, Shin Matsuda, Kazunori Ohnishi, Ken Omachi, and Tomomitsu Hotta.
    • Clinical Research Center, National Hospital Organization Nagoya Medical Center, 4-1-1 Sannomaru, Naka-ku, Nagaoya, Japan. nagaih@nnh.hosp.go.jp
    • Eur. J. Haematol. 2011 Feb 1; 86 (2): 117-23.

    AbstractAlthough cladribine has been reported to be an active purine analog against indolent B-cell non-Hodgkin lymphoma (B-NHL), there are few reports of combination use of cladribine and rituximab. This multicenter phase II study evaluated the efficacy and toxicity of cladribine with rituximab (R-2-CdA) therapy in relapsed or refractory indolent B-NHL. Twenty patients with the median age of 58.5 yrs (range, 42-72) were enrolled and received R-2-CdA therapy from April 2005 to July 2007. The median number of prior regimens was 2 (range, 1-3), and fifteen patients (75%) were previously treated with rituximab-containing regimens. Disease histology included follicular lymphoma in 16 patients, MALT lymphoma in two patients, nodal marginal B-cell lymphoma in one patient, and lymphoplasmacytic lymphoma in one patient. The overall response rate (ORR) was 90%, with a complete response rate (CRR) of 70%. Estimated median progression-free survival (PFS) time was 22.4 months (95%CI, 10.9-32.6 months) at a median follow-up time of 27 months (range, 12-43). Two-year PFS and 2-yr overall survival (OS) were 52.6% (95%CI, 31.0-73.2%) and 89.5% (95%CI, 66.1-97.3%), respectively. Grade 3 or grade 4 toxicities were neutropenia in 74% and thrombocytopenia in 11%. R-2-CdA therapy was demonstrated to have a high activity with durable PFS and acceptable toxicity in relapsed or refractory indolent B-NHL mostly pretreated with rituximab-containing therapy. Although a large-scale trial is needed for confirmation, R-2-CdA therapy could be a good salvage therapy option in relapsed or refractory indolent B-NHL.© 2010 John Wiley & Sons A/S.

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