Efficacy of chemoimmunotherapy with fludarabine, cyclophosphamide and rituximab for chronic lymphocytic leukemia]
Zhonghua xue ye xue za zhi = Zhonghua xueyexue zazhi(2011)
Abstract
To evaluate the efficacy of combination chemoimmunotherapy of fludarabine, cyclophosphamide and rituximab (FCR) in chronic lymphocytic leukemia (CLL).Twenty-one patients with CLL were treated with FCR regimen which consisted of fludarabine (25 mg/m(2), days 2 to 4), cyclophosphamide (250 mg/m(2), days 2 to 4) and rituximab (375 mg/m(2), day 1) in a course of 28 days. The minimal residual disease (MRD) was determined by multiparameter flow cytometry. The correlation between the pretreatment characteristics and complete remission (CR) rate was analyzed.Eleven patients (52.4%) achieved CR, 7 (33.3%) achieved partial remission (PR) with a overall response (OR) rate of 85.7%. With a median follow-up time of 19 (7 - 73) months, the overall survival (OS) was 86.0%, and the progression-free survival (PFS) was 72.0%. Pretreatment parameters independently associated with higher CR rates were Binet stage A + B, IgVH mutated and ZAP-70 less than 20%. MRD was less than 1% in 6 patients. The most common toxicities were myelosuppression and gastrointestinal reaction.FCR is an effective regimen for CLL patients.
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Key words
chronic lymphocytic leukemia,chemoimmunotherapy,fludarabine,cyclophosphamide
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