TESARO, Breast International Group, European Organization for Research and Treatment of Cancer Announce Collaboration

TESARO, Inc. TSRO, an oncology-focused biopharmaceutical company, Breast International Group (BIG), a non-profit organization for academic breast cancer research groups from around the world, and the European Organization for Research and Treatment of Cancer (EORTC), an international, independent, multidisciplinary non-profit research organization, today announced a partnership for the Phase 3 clinical development of niraparib, an orally active, potent poly (ADP-ribose) polymerase (PARP) inhibitor. TESARO, BIG and EORTC will utilize BIG's and EORTC's scientific and clinical expertise and network of collaborative groups and their associated hospitals and oncology research centers around the world to accelerate completion of the Phase 3 clinical trial of niraparib in patients with breast cancer. This collaboration enables BIG and member group EORTC as well as TESARO to involve key opinion leaders to optimize the clinical study design, data analyses and publication planning. "As a leading international network of academic research groups, we look forward to partnering with TESARO to advance this potential new therapy for patients with breast cancer," said Dr. Martine Piccart, Chair of BIG. "We are very interested in evaluating the potential for niraparib to prolong progression free survival in comparison to commonly used chemotherapy See full press release