AstraZeneca PLC’s PD-L1 checkpoint inhibitor Imfinzi has met with another Phase III failure in head and neck cancer both as a monotherapy and in combination with the company’s investigational product tremelimumab, in a further blow to the combination.
The KESTREL study showed Imfinzi (durvalumab) missed the primary endpoint of improving overall survival (OS) versus the EXTREME treatment regimen...







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