Puma Biotechnology Reported Negative Vote by CHMP for Neratinib to treat Breast Cancer

Puma Biotechnology, Inc. (NASDAQ: PBYI)announced that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has communicated a negative trend vote after meeting with the Company to discuss the Marketing Authorisation Application (MAA) for neratinib for the extended adjuvant treatment of early stage HER2-positive breast cancer.  The negative vote indicates that most likely, CHMP will not provide a positive outlook to push for its market authorization.  The vote is scheduled for February 2018.  Trials at the 2 and 5 year invasive disease free survival (iDFS) benefits to date may lack sufficient clinical relevance.

HER2-positive breast cancer is often more aggressive than other types of breast cancer, increasing the risk of disease progression and death. Although research has shown that trastuzumab can reduce the risk of early stage HER2-positive breast cancer returning after surgery, up to 25% of patients treated with trastuzumab experience recurrence.

Puma Biotechnology, Inc. is a biopharmaceutical company with a focus on the development and commercialization of innovative products to enhance cancer care. The Company in-licenses the global development and commercialization rights to three drug candidates — PB272 (neratinib, oral), PB272 (neratinib, intravenous) and PB357. Neratinib, oral was approved by the U.S. Food and Drug Administration in July 2017 for the extended adjuvant treatment of adult patients with early stage HER2-overexpressed/amplified breast cancer, following adjuvant trastuzumab-based therapy, and is marketed in the United States as NERLYNX® (neratinib) tablets. NERLYNX is a registered trademark of Puma Biotechnology, Inc.

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