Regulatory Round-Up: Drug Review Profiles From 2012
Each month, Pharmaceutical Approvals Monthly analyzes the FDA review process for a recent approval based on the NDA or BLA review documents. A detailed chronology of product development and listing of key reviewers accompany each profile. If you do not have access, contact customer care at 1-800-332-2181 for a free copy of any of these articles.
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The most recent events in the fast-evolving castration-resistant prostate cancer field illustrate how the major advances in therapy for patients who failed chemotherapy are now spreading to the larger population of CRPC patients receiving first-line therapy for metastatic disease. The upcoming year should see Phase III results from candidates ranging from a kinase inhibitor to an antisense agent.
Medivation/Astellas’ enzalutamide capped off an extraordinary three-year run in advanced castration-resistant prostate cancer therapy, with three successive NMEs each offering a greater survival advantage than the last. That accelerated evolution of new therapies created a complex context for FDA reviews.
Response rates of 30%-43% and a 7.6-month median duration of response were sufficiently clinically meaningful to allow FDA approval of Genentech’s basal cell carcinoma treatment on the basis of a non-randomized study.