CHICAGO (EGMN) - Bosutinib shows clinical efficacy in imatinib-resistant or -intolerant patients with Philadelphia chromosome-positive chronic myeloid leukemia in the chronic phase, with complete cytogenetic response rates of 50% in a multinational study, investigators reported.At 24 months of follow-up, 77% of imatinib (Gleevec)-resistant patients and 86% of imatinib-intolerant patients who were treated with the investigational drug were alive without evidence of disease progression, and median...