Taking It To The Front Lines: PD-1 Inhibitors Moving Earlier In Lung Cancer

With data on Merck’s pembrolizumab and Bristol’s nivolumab in lung cancer, the question has become whether the response rates are good enough to consider first-line therapy. It is also becoming a proving ground for PD-L1 expression as a biomarker for the class.

Data for competing anti-PD-1 antibodies from Merck & Co. Inc. and Bristol-Myers Squibb Co. in first-line lung cancer raised questions at the recent American Society of Clinical Oncology annual meeting about how good response rates need to be in this important indication and whether PD-L1 is the right biomarker to select patients.

Lung cancer is one of many indications where PD-1 and PD-L1 inhibitors could play a role (see related story,

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