Newswire (Published: Wednesday, October 25, 2017, Received: Thursday, October 19, 2017, 3:21:29 PM CDT)

Word Count: 443

By a News Reporter-Staff News Editor at Biotech Week -- Janssen Biotech, Inc. announced that it has submitted a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for apalutamide, an investigational, next generation oral androgen receptor (AR) inhibitor for men with non-metastatic castration-resistant prostate cancer (CRPC). Currently, there are no FDA approved treatments for patients with non-metastatic CRPC (see also Janssen Biotech, Inc.).

This submission is based on Phase 3 data from the pivotal ARN-509-003 (SPARTAN) clinical trial, which assessed the safety and efficacy of apalutamide versus placebo, in men with non-metastatic CRPC who have a rapidly rising prostate specific antigen (PSA) despite receiving continuous androgen deprivation therapy (ADT).1 Men with non-metastatic CRPC with a rapidly rising PSA are at high risk for developing metastatic disease.2,3 The primary endpoint of this study was metastasis free survival (MFS).1 MFS is the time from randomization to first evidence of confirmed metastasis, or time to death.4 The SPARTAN study results will be presented at a future medical meeting.

"The SPARTAN data lead the path towards a new approach to treating men with prostate cancer earlier in the disease course. We have demonstrated that treating patients before the disease has metastasized improves outcomes," said Peter Lebowitz, M.D., Ph.D., Global Therapeutic Area Head of Oncology at Janssen. "We are thrilled to have completed our submission of the SPARTAN data to the FDA and we look forward to a promising treatment that can provide new hope and expectations for men facing this disease."

Prostate cancer is the most common cancer among American men, other than skin cancer.5 According to the American Cancer Society, more than 161,000 men are estimated to be diagnosed with prostate cancer in 2017.5 Patients with non-metastatic prostate cancer receiving ADT will eventually become resistant to ADT, developing castration-resistant prostate cancer (CRPC). Data has estimated 10% to 20% of patients diagnosed with prostate cancer may develop CRPC within approximately 5 years.6

Non-metastatic castration-resistant prostate cancer refers to patients with CRPC who lack detectable distant metastatic disease.7,8 These individuals have a rising PSA, testosterone level below 50 ng/dl and bone scan and CT scans that show no evidence of spread to bones or visceral organs.9 Men with rapidly rising PSA have a high unmet medical need, as these patients are at high risk for developing metastatic disease.10

Keywords for this news article include: Oncology, FDA Actions, Prostate Cancer, Drugs and Therapies, Prostatic Neoplasms, Risk and Prevention, Janssen Biotech Inc., Enzymes and Coenzymes, Diagnostics and Screening, Prostate-Specific Antigen, Government Agencies Offices and Entities.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2017, NewsRx LLC

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American Cancer Society Inc.

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