Dendreon announced that final three-year survival data from its second Phase III study of Provenge, the company's immunotherapy for prostate cancer, showed a survival benefit in men with advanced disease. Men taking the drug had a 20 percent better survival rate than those who received placebo, but these findings were not statistically significant. A secondary analysis adjusted for factors known to influence survival did, however, meet criteria for statistical significance. This is Dendreon's second phase III trial of the drug.
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