Evidence Level:Sensitive: C3 – Early Trials
Title:
Abstract 2846A: CD28 shedding is a novel immune-regulatory mechanism found in cancer patients which directly inhibits anti PD-1 effect
Excerpt:Evaluation of plasma samples from patients undergoing anti-PD1 therapy demonstrated an association of clinical response with decreased plasma levels of soluble CD28.
DOI:10.1158/1538-7445.AM2020-2846A