A study led by researchers from the Howard Hughes Medical Institute has found that dasatinib provides significant benefit in chronic myeloid leukemia (CML) patients resistant to Gleevec® (imatinib), according to a study presented today during the 97th Annual Meeting of the American Association for Cancer Research.
In an update of a phase I study initiated in November 2003, researchers looked at the use of dasatinib in imatinib resistant or intolerant patients with CML in late chronic phase (CP), accelerated phase (AP), myeloid blast crisis (MBC), or lymphoid blast crisis (LBC/Ph+ ALL). Data are available for 84 patients (40 CP, 11 AP, 23 MBC, 10 LBC/Ph+ ALL). A blast crisis is the progression of diseases to an acute advanced phase.
Imatinib – which blocks the irregular protein that allows the overproduction of abnormal white blood cells – has become a standard therapy for CML patients not undergoing stem cell transplantation. However, a number of patients have developed resistance to this treatment because their cancer cells are able to mutate and adapt.
Warren Froelich | EurekAlert!
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