Biotech Strategy Blog

Commentary on Science, Innovation & New Products with a focus on Oncology, Hematology & Cancer Immunotherapy

Posts tagged ‘PREVAIL’

At the ASCO GU meeting in January, Dr Thomas Beer presented the initial data for the PREVAIL trial, which explored enzalutamide (Xtandi) in castrate resistant prostate cancer (CRPC) prior to chemotherapy. Reactions to the data were mixed with many analysts, perhaps naively, focusing on the significant temporal survival benefit (2 months) rather than the 29% hazard ratio, which demonstrates the magnitude in the reduction in the risk of death over the control arm.

This weekend at the American Urological Association (AUA) meeting in Orlando, Dr Christopher Evans (UC Davis), presented the updated data, including the survival curves and a subset analysis for visceral and non-visceral disease. He focused on the clinical benefits that were clinically meaningful to the urology audience.

I have to say that the data shown was both compelling and impressive to me.

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This week we turn our focus to the American Society of Clinical Oncology Genitourinary (ASCO GU) symposium being held in San Francisco.

The hottest topic is highly likely to be the Medivation and Astellas data for enzalutamide (Xtandi) in the pre-chemotherapy setting in men with advanced prostate cancer who are asymptomatic or slightly symptomatic and naive to chemotherapy.  Previously, I wrote in detail about the Medivation announcement regarding the interim analysis where the PREVAIL trial was found to meet its primary endpoint (open access).

Dr Tom Beer, OHSU

Dr Tom Beer, OHSU

The company subsequently stated that the data had been accepted as a late breaker for the the ASCO Genitourinary meeting in San Francisco this weekend.  That data is being presented on Thursday morning in the oral prostate cancer session by Dr Tomasz Beer (OHSU), who is the Deputy Director of the Knight Cancer Institute and a prostate cancer specialist.

The ASCO GU 2014 abstracts will be available for perusing as of 5pm ET today.

This week I caught up with Dr Beer to discuss not only the details relating to the PREVAIL data, but also how enzalutamide (Xtandi) potentially fits in the advanced prostate cancer competitive landscape given that he also participated in the abiraterone (Zytiga) COU-AA-302 trial in the same clinical setting.

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