BioCentury
ARTICLE | Product Development

Betting Combos on Biomarkers

Pharmacodynamic biomarkers are driving IO combos in absence of monotherapy responses

November 17, 2018 3:21 AM UTC

Despite lackluster monotherapy data at SITC from the latest tranche of immunotherapy candidates, drug developers are moving into combination trials with PD-1 and PD-L1 inhibitors based on biomarkers of pharmacodynamic activity. Results from the next randomized controlled trials putting that rationale to the test could be another year away.

The annual Society for Immunotherapy of Cancer (SITC) meeting yielded a deluge of Phase I data from single-agent and combination studies of immunotherapy agents against new targets. The goal is to find the next combination partner for PD-1 or PD-L1 inhibitors that can augment the average 30% response rate of the now standard-of-care agents in solid tumors. ...