Biotechnology Final overall survival (OS) results from the Phase III NEPTUNE trial, a randomized, open-label, multicenter, global trial of Imfinzi (durvalumab) in combination with tremelimumab, an anti-CTLA4 antibody, versus standard-of-care (SoC) platinum-based chemotherapy in previously-untreated Stage IV (metastatic) non-small cell lung cancer (NSCLC) patients once again failed to sow benefit for the combination treatment. 21 August 2019