How The Market For Tesaro's Niraparib Plays Out Following Early FDA Approval By: Benzinga via Benzinga March 28, 2017 at 08:46 AM EDT TESARO Inc (NASDAQ: TSRO)'s niraparib has received FDA approval, ahead of its Prescription Drug User Fee Act date of June ... Read More >> Related Stocks: Astrazeneca Plc ADR Tesaro Inc