Menu Investors Corporate actions Agreement to acquire TESARO Agreement to acquire TESARO On 3 December 2018 we announced our agreement to acquire TESARO, an oncology-focused company based in the US for approximately $5.1bn. The proposed transaction will significantly strengthen our pharmaceutical business, accelerating the build of our pipeline and commercial capability in oncology. Read the press release Download the investor call slides Download the investor call transcript Transformative potential from PARPs Our strong belief is that PARP inhibitors are important medicines that have been under appreciated in terms of the impact they can have on cancer patients. PARP inhibitors have transformed the treatment of ovarian cancer and offer significant opportunities for use in the treatment of multiple cancer types. RSS Other GSK websites Market website selector GSKPro for healthcare professionals GSK Study Register Quick links COVID-19 response Behind the science About us Products Careers Investors Media Research and development Responsibility Accessibility/legal Accessibility Terms of use Cookie policy Privacy notice Modern Slavery Act statement 2020 PDF - 191.4KB Sitemap Contact us Contact us Partnerships Report a possible side effect Business to business Supplier website Business to business This is our global website, intended for visitors seeking information on GSK’s worldwide business. Our market sites can be reached by visiting our market selector. © 2001-2021 GlaxoSmithKline plc. All rights reserved. Trade marks are owned by or licensed to the GSK group of companies. GlaxoSmithKline plc. Registered in England and Wales No. 3888792. Registered office: 980 Great West Road, Brentford, Middlesex, TW8 9GS, United Kingdom. We use cookies GSK values your privacy and your trust is important to us. We use cookies to enhance your website experience. Some cookies are necessary to run the website. Others are optional: performance cookies show us how you use our website and features; functional cookies remember your preferences; and advertising cookies help us share relevant content.Cookie Policy Show detail ❮ OPT OUT ACCEPT ALL