Abstract:AMN107 is a new, highly potent and selective BCR-ABL inhibitor currently in clinical development for the treatment of imatinib-resistant chronic myelogenous leukemia (CML) or Philadelphia positive acute lymphoblastic leukemia ALL (Ph+ALL). Pre-clinical testing has revealed AMN107 to inhibit all but one (T315I) BCR-ABL mutants which have been associated with imatinib resistance. We sought to determine the pharmacodynamic activity of AMN107 by measuring the proportion of phosphorylated CrkL (CrkL-P) as a surroga… Show more
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