Non Clear Cell Renal Cell Carcinoma (nccRCC)

This is a multicenter Phase 1b, open label, dose-escalation and cohort-expansion study, evaluating the safety, tolerability, pharmacokinetics (PK), preliminary antitumor activity, and effect of biomarkers of zanzalintinib administered alone, and in combination with nivolumab (doublet), nivolumab + ipilimumab (triplet) and nivolumab + relatlimab (triplet) in participants with advanced solid tumors. In the Expansion Stage, the safety and efficacy of zanzalintinib as monotherapy and in combination therapy will be further evaluated in tumor-specific Expansion Cohorts.

This first-in-human (FIH) dose-escalation and dose-validation/expansion study will assess KO-2806, a farnesyltransferase inhibitor (FTI), as a monotherapy and in combination, in adult patients with advanced solid tumors.

The primary objective of this long-term extension study is to allow continued access to study treatment for eligible participants who are deriving clinical benefit in an Exelixis-sponsored study who do not have access to treatment locally.