Tesaro Gets Approval For Zejula, Expect U.S. Launch Late April By: Benzinga via Benzinga March 28, 2017 at 10:26 AM EDT TESARO Inc (NASDAQ: TSRO) announced the FDA approval of Zejula (niraparib) in recurrent ovarian cancer maintenance with a broad label. ... Read More >> Related Stocks: AbbVie Astrazeneca Plc ADR Clovis Oncology Inc Pfizer Tesaro Inc