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BACKGROUND: The long-term outcome of patients with chronic phase chronic myeloid leukemia treated with imatinib after failure of interferon alpha therapy has not been detailed. METHODS: In total, 368 patients were analyzed. Univariate and multivariate survival analyses were conducted using standard statistical methods. RESULTS: Overall, 247 patients (67%) achieved a complete cytogenetic response (CCyR). Of the 327 patients who were studied, 207 patients (63%) achieved a major molecular response (MMR), and 99 patients (30%) had undetectable breakpoint cluster region/c-abl oncogene (BCR-ABL) levels at some time during therapy. The estimated 10-year survival rate was 68%, the progression-free survival rate was 67%, and the event-free survival rate was 51%. In multivariate analysis, age ≥60 years, hemoglobin |
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