Phase III Results Could Boost Pfizer Revenue Ahead Of Xtandi’s Exclusivity Loss

Pfizer and Astellas announced positive topline Phase III results in non-metastatic prostate cancer for Xtandi, one of the top-selling drugs in Pfizer’s portfolio set to lose patent exclusivity this decade.

Pfizer may be able to soften the blow of an impendent exclusivity loss for Xtandi • Source: Shutterstock

Pfizer Inc. may be able to soften the blow of the impending loss of exclusivity for Xtandi (enzalutamide) by boosting revenue from the drug ahead of its patent expiration. That is because the company and its partner Astellas Pharma, Inc. reported topline Phase III results that may be able to broaden the scope of prostate cancer patients eligible for treatment.

Without disclosing full data, Pfizer and Astellas announced positive results on 16 March from the EMBARK trial of Xtandi in men with non-metastatic hormone-sensitive prostate cancer (nmHSPC), also known as non-metastatic castration-sensitive prostate cancer (nmCSPC) with high-risk biochemical recurrence

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