Astellas and medivation initiate Phase III trial of enzalutamide in patients with triple-negative breast cancer

News Hour:

Astellas Pharma Inc. (TSE: 4503) and Medivation, Inc. (NASDAQ: MDVN)  announced plans to commence a Phase III clinical trial to investigate the use of enzalutamide for the treatment of triple-negative breast cancer (TNBC).

The ENDEAR (A Phase III, Randomized, International Study Comparing the Efficacy and Safety of ENzalutamiDe in Combination With PaclitaxEl Chemotherapy or as Monotherapy Versus Placebo With Paclitaxel in Patients With Advanced, Diagnostic-Positive, Triple-Negative BReast Cancer) trial will evaluate the efficacy and safety of enzalutamide in combination with paclitaxel chemotherapy or as monotherapy versus placebo with paclitaxel in patients with locally advanced or metastatic TNBC whose tumors test positive for a novel gene expression profile, which is referred to as diagnostic-positive TNBC. The trial, which will be led by Medivation, is expected to begin patient enrollment in the fourth quarter of 2016. In the United States, breast cancer is one of the most commonly diagnosed cancers and the second leading cause of cancer deaths in women.


According to the American Cancer Society, approximately 246,000 new cases of breast cancer will be diagnosed in women and 40,000 women will die of breast cancer in 2016.1 Approximately 15-20 percent of breast cancers are triple negative or basal-like, the subtype that the ENDEAR trial will study.2 Patients with TNBC have a poor prognosis3 and there are currently no therapies specifically approved to treat this patient population. “Our initiation of this trial represents our commitment to explore the potential of enzalutamide in patients with advanced TNBC,” said Mohammad Hirmand, M.D., interim chief medical officer, Medivation.

“The initiation of the ENDEAR trial reflects our ongoing commitment to investigate the full clinical utility of enzalutamide,” said Claire Thom, Pharm D., senior vice president and oncology therapeutic area head, Astellas. 2 Enzalutamide, which is known by the brand name XTANDI®, is not approved for use in patients with TNBC.

Rafiuzzaman Sifat

Md. Rafiuzzaman Sifat, a CSE graduate turned into journalist, works at News Hour as a staff reporter. He has many years of experience in featured writing in different Bangladeshi newspapers. He is an active blogger, story writer and social network activist. He published a book named 'Se Amar Gopon' inEkushe boi mela Dhaka 2016. Sifat got a BSc. from Ahsanullah University of Science & Technology, Bangladesh. He also works as an Engineer at Bangla Trac Communications Ltd. As an avid traveler and a gourmet food aficionado, he is active in publishing restaurant reviews and cutting-edge articles about culinary culture.
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