The wide variety of biomarkers being explored as measures to help predict response to cancer immunotherapies – including tumor mutation burden and gut microbiota analysis – is encouraging, though the field is still a long way from relying on any of them as predictive tools, experts say.
Biomarkers are in demand to help predict which patients won't respond to programmed cell death protein 1 (PD-1)/programmed death-ligand 1(PD-L1)...