Journal
JOURNAL OF UROLOGY
Volume 186, Issue 3, Pages 877-881Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.juro.2011.04.070
Keywords
prostate; prostatic neoplasms; sipuleucel-T; immunotherapy; drug toxicity
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Funding
- Dendreon
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Purpose: We describe the safety of sipuleucel-T using an integrated analysis of 4 randomized, controlled studies in patients with prostate cancer. Materials and Methods: Adverse events, survival data and laboratory evaluations were examined for common, rare and latent events. Results: In 5% or more of sipuleucel-T cases some adverse events were reported at a rate at least twice that in controls, including chills in 53.1%, pyrexia in 31.3%, headache in 18.1%, myalgia in 11.8%, influenza-like illness in 9.7% and hyperhidrosis in 5.0%. These events generally occurred within 1 day of infusion, were grade 1 or 2 in severity and resolved in 2 days or less. The incidence of serious adverse events reported was 24.0% in sipuleucel-T cases and 25.1% in controls. Grade 3 or greater adverse events were reported within 1 day of infusion in 40 of 601 sipuleucel-T cases (6.7%) and 7 of 303 controls (2.3%). The incidence rate of reported cerebrovascular events was 3.5% for sipuleucel-T cases and 2.6% in controls. Conclusions: Sipuleucel-T therapy in patients with prostate cancer has a side effect profile that is characterized by mild to moderate, short-term, reversible adverse events. There was no evidence of a treatment related increase in autoimmune complications or secondary malignancies after treatment with sipuleucel-T. Sipuleucel-T can be administered safely in the outpatient setting.
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