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Fludarabine, a fluorinated analogue of adenine, was given to 11 patients with macroglobulinemic lymphoma, all but one having failed prior standard chemotherapy. Five patients (45%) responded with more than a 50% reduction of immunoglobulin M (IgM) tumor mass for a projected median duration of longer than 1 year. The onset of remission was usually slow, with a median tumor halving time of 5.2 months in responding patients, emphasizing the importance of repeated courses of treatment. Fludarabine is an important new agent effective against macroglobulinemic lymphoma, and should be evaluated further in combination with other active modalities.
Kantarjian et al. (Tue,) studied this question.