Zanzalintinib Plus Atezolizumab Prolongs Survival Versus Regorafenib in Refractory MSS Colorectal Cancer: STELLAR-303 Phase 3 Results
The phase 3 STELLAR-303 trial shows zanzalintinib plus atezolizumab improves overall survival versus regorafenib in previously treated, microsatellite-stable metastatic colorectal cancer, albeit with higher grade ≥3 toxicity.

