Comprehensive assessment of prognostic factors predicting outcome in Chinese patients with chronic lymphocytic leukemia treated with fludarabine and cyclophosphamide
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To determine whether prognostic factors remain relevant to chronic lymphocytic leukemia (CLL) patients treated with fludarabine and cyclophosphamide (FC), we prospectively evaluated 86 Chinese CLL patients who received FC in first-line therapy. Twenty-four patients (27.9%) achieved complete remission (CR), and overall response rate was 75.6%. With a median follow-up of 41 months, the median progression-free survival (PFS) was 36.0 months and median overall survival (OS) has not been reached. The strong correlations of lower CR rate with advanced Binet stage, unmutated IGHV, cytogenetic abnormalities of del(17p13) or del(11q23), and p53 mutations were observed by univariable analyses. Stepwise logistic regression identified that unmutated IGHV and p53 abnormality (p53 deletion or mutation) were associated with a decreased odds of achieving CR. The less cycles of treatment, not achieving CR, advanced Binet stage, and p53 abnormality significantly correlated with a shortened PFS. Furthermore, in a multivariate analysis, p53 abnormality and advanced Binet stage were identified as being significant risk factors for early relapse. Not achieving CR, advanced Binet stage, ZAP-70-positive, and p53 abnormality were the adverse factors in determining OS. Only p53 aberration was independently associated with significantly shorter OS by a multivariate analysis. These results suggest that patients with p53 abnormality should be considered for alternative therapies.
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- Comprehensive assessment of prognostic factors predicting outcome in Chinese patients with chronic lymphocytic leukemia treated with fludarabine and cyclophosphamide
Volume 29, Issue 3 , pp 2102-2110
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- Chronic lymphocytic leukemia
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- 1. Department of Hematology, the First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, 300 Guangzhou Road, Nanjing, 210029, China
- 2. Department of Hematology, Zhangjiagang First People’s Hospital, Suzhou, 215600, China