Salvage Therapy with Fludarabine in Patients with Progressive B-Chronic Lymphocytic Leukemia

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Abstract
Thirty patients with B-chronic lymphocytic leukemia, aged 45-82 years, were treated with fludarabine. CLL was diagnosed 8-120 months earlier. The patients had been exposed to a median of 3 different regimens before treatment with fludarabine, and all had progressive disease when they entered the study. Among the 30 patients, 1 had a metastatic carcinoma and 7 patients with WHO performance status 3 died before the second cycle of fludarabine treatment could be given. The remaining 22 patients were considered eligible for response evaluation. The response rate was 32% with 1 complete response and 6 partial responses. However, seven patients achieved stable disease and 8 progressed. The median survival for responders was 24 months and for non-responders 9 months. Response to treatment was correlated with low tumor burden and performance status. In a total of 94 treatment courses, 17 febrile episodes were registered in 10 patients. We conclude that treatment with fludarabine can be useful in patients with progressive and refractory disease.