EAST HANOVER, N.J., June 14 /PRNewswire-FirstCall/ -- The first-ever published clinical trial data about the investigational drug Tasigna® (nilotinib) showed the compound helped more than 90% of patients diagnosed with an unresponsive form of leukemia, a life-threatening disease. The data were published today in the New England Journal of Medicine. In less than five months of treatment, 92% of patients with chronic phase Philadelphia chromosome-positive (Ph+) chronic myeloid leukemia (CML) achieved a complete hematologic response with normal white blood cell counts after having shown resistance or intolerance to optimized Gleevec® (imatinib mesylate)* tablets therapy.