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[Acute lymphoblastic leukemia with Philadelphia chromosome: treatment with kinase inhibitors].

Distinct clinicopathologic acute lymphoblastic leukemia (ALL) entities have been identified, resulting in the adoption of risk-oriented treatment approaches. In Philadelphia chromosome-positive ALL, the optimal treatment requires the addition of BCR-ABL tyrosine kinase inhibitors, as imatinib. Despite advances, the outcome remains poor, and novel agents are desperately required. The emergence of resistance to the Bcr-Abl inhibitor imatinib mesylate in patients with Philadelphia chromosome-positive (Ph+) ALL has prompted the development of second-generation compounds active against mutant forms, including dasatinib and nilotinib.