Onyx Drug Reduced Cancer in Patients With Myeloma
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Onyx Pharmaceuticals Inc.’s experimental drug carfilzomib shrank the tumors of one-third of study patients with multiple myeloma, a deadly blood cancer. The company’s shares surged the most in four months in New York trading.
Among 257 patients who had failed to improve on previous treatments, 24 percent had their cancer reduced by half while 10 percent had malignancy reduced by one-quarter, Onyx said in a statement. The reduction in tumor size was maintained for a median of eight months.