GlaxoSmithKline PLC has thrown its hat back into the oncology ring, specifically into the PARP inhibitor space, by making a $5.1bn bid to acquire Tesaro Inc..
GSK Embraces PARP Promise With Tesaro Buy
The UK major is marking its return to oncology by spending over $5bn to get hold of Tesaro and its PARP inhibitor Zejula. The question now is whether it will be able to catch AstraZeneca's market-leading Lynparza.

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The latest in a long line of restructuring measures will see Sumitomo Pharma making a stepped sale of its pharma operations in Asia to major Japanese trading house Marubeni.