PROVENGE was approved based on three Phase 3 studies, including the pivotal, 512-patient Phase 3 IMPACT study, which showed that PROVENGE demonstrated a statistically significant improvement in overall survival compared to control in men with asymptomatic or minimally symptomatic metastatic castration resistant prostate cancer (CRPC). That trial showed PROVENGE extended median survival by 4.1 months compared to control. Overall, PROVENGE reduced the risk of death by 22.5 percent compared to the control group (HR=0.775). Results from the similarly designed Phase 3 Study D9901 in asymptomatic metastatic CRPC also demonstrated a survival advantage of similar clinical magnitude as the IMPACT study.
PROVENGE Indication and Safety
PROVENGE is an autologous cellular immunotherapy indicated for the treatment of asymptomatic or minimally symptomatic metastatic castrate resistant (hormone refractory) prostate cancer.
PROVENGE is intended solely for autologous use and is not routinely tested for transmissible infectious diseases.
The safety evaluation of PROVENGE was based on 601 prostate cancer patients in four randomized clinical trials who underwent at least one leukapheresis. The most common adverse events (incidence greater-than or equal to 15%) are chills, fatigue, fever, back pain, nausea, joint ache, and headache. Serious adverse events reported in the PROVENGE group include acute infusion reactions (occurring within 1 day of infusion) and cerebrovascular events. In controlled clinical trials, severe (Grade 3) acute infusion reactions were reported in 3.5% of patients in the PROVENGE group. Reactions included chills, fever, fatigue, asthenia, dyspnea, hypoxia, bronchospasm, dizziness, headache, hypertension, muscle ache, nausea, and vomiting. No Grade 4 or 5 acute infusion reactions were reported in patients in the PROVENGE group.
To fulfill a post marketing requirement and as a part of the company's on
|SOURCE Dendreon Corporation|
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