Tesaro, Inc., an oncology-focused biopharmaceutical company, identifies, acquires, develops, and commercializes cancer therapeutics and oncology supportive care products in the United States. It offers ZEJULA (niraparib), an orally active and potent poly polymerase inhibitor for the maintenance treatment of women with recurrent epithelial ovarian, fallopian tube, or primary peritoneal cancer; and VARUBI (rolapitant), a neurokinin-1, or NK-1, receptor antagonist for the prevention of chemotherapy induced nausea and vomiting. The company also develops Niraparib for the treatment of various tumors. In addition, it is developing immunotherapy antibody product candidates, including TSR-042, which is in a phase I clinical trial targeting programmed cell death protein 1; TSR-022 that is in phase I clinical trial targeting T-cell immunoglobulin domain and mucin domain-3; and TSR-033, an antibody candidate, which is in phase I clinical trial targeting lymphocyte-activation gene-3. The company has collaboration and exclusive license agreement with AnaptysBio, Inc., as well as collaboration agreements with Janssen Biotech, Inc., Millennium Pharmaceuticals, Inc., Zai Lab (Shanghai) Co., Ltd, Jiangsu Hengrui Medicine Co., Ltd., Merck Sharp & Dohme B.V., and Jiangsu Hengrui Medicine Co., Ltd., as well as Genentech. Tesaro, Inc. was founded in 2010 and is headquartered in Waltham, Massachusetts.
