Treatment-free survival, with and without toxicity, as a novel outcome applied to immuno-oncology agents in advanced renal cell carcinoma

Background null Conventional measures such as median progression-free survival may suboptimally characterize the full impact of immuno-oncology (I-O) agents vs other systemic anticancer therapies. Patients discontinuing I-O agents may experience periods of disease control without needing subsequent systemic anticancer therapy (Rx) but may still experience toxicity (TOX). Treatment-free survival (TFS) ± TOX can simultaneously characterize disease...