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US FDA Continues Shift From Companion To Complementary PD-L1 Diagnostics With AstraZeneca Imfinzi Approval

Executive Summary

AstraZeneca's Imfinzi (durvalumab) is the third PD-1/L1 inhibitor approved for second-line bladder cancer with labeling that describes better response rates in patients with higher PD-L1 expression, but without a requirement for diagnostic testing.

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