AstraZeneca PLC's PD-L1 inhibitor, Imfinzi (durvalumab), a drug expected to act as the big pharma's backbone drug across its cancer immunotherapy portfolio, has failed to meet primary progression free survival (PFS) endpoints in the Phase III MYSTIC trial in non-small cell lung cancer.
In the Phase III study Imfinzi, a program death-ligand 1 inhibitor, in combination with tremelimumab failed to improve PFS compared...






