BioSante cancer vax promising in small study

Shares of BioSante Pharmaceuticals surged this morning in pre-market trading after the developer said that a 19-patient study demonstrated the promise of its GVAX leukemia vaccine to mop up the stubbornly lingering cancer cells of CML patients taking Gleevec. Researchers said that the 19 patients in the study had measurable levels of cancer cells even though they had been on Gleevec for at least a year. After a median of 17 months, 13 of the patients saw their number of cancer cells decline, and seven emerged with undetectable levels. Report

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