Exelixis IncFinal Phase 3 data shows survival trend and FDA accepted NDA for zanzalintinib combination.

Exelixis reported final Phase 3 STELLAR 303 data showing zanzalintinib plus atezolizumab produced a non-statistically significant overall survival trend in favor of the combination among metastatic colorectal cancer patients without active liver metastases. The median overall survival was 15.9 months for the combination versus 12.7 months for regorafenib, with a hazard ratio of 0.83 and P = 0.1185, and no new safety signals emerged. The trial previously met its other dual primary endpoint with a statistically significant survival benefit in the intention-to-treat population. Detailed findings were presented at the 2025 European Society for Medical Oncology Congress and published in The Lancet. The FDA accepted the New Drug Application for the combination in February 2026 with a target action date of December 3, 2026.
Exelixis IncFinal Phase 3 data shows survival trend and FDA accepted NDA for zanzalintinib combination.