Janssen Files NDA for Prostate Cancer Drug

Janssen Biotech has submitted an NDA for apalutamide, an investigational, next-generation oral androgen receptor inhibitor for men with non-metastatic castration-resistant prostate cancer (CRPC). Currently, no FDA approved treatments exist for these men. The company says apalutamide works by inhibiting the action of testosterone in prostate cancer cells and by preventing androgen from binding to the androgen receptor.

 

The submission is based on Phase 3 data from the pivotal ARN-509-003 (SPARTAN) clinical trial that evaluated the safety and efficacy of apalutamide versus placebo in men with non-metastatic CRPC who have a rapidly rising prostate specific antigen despite receiving continuous androgen deprivation therapy.  The primary endpoint was metastasis-free survival, and study results will be presented at a future medical meeting, the company says.

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