AstraZeneca (LON:AZN) has announced that its supplemental Biologics License Application (sBLA) for Imfinzi (durvalumab) has received Priority Review from FDA when used with chemotherapy in patients with locally advanced or metastatic biliary tract cancer (BTC). The company had submitted data from the TOPAZ-1 Phase 3 study indicating an improvement in overall survival compared to standard-of-care chemotherapy.…