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Arcus Biosciences Shares Fall 6% After Unveiling Casdatifan Kidney-Cancer Trial Data
- Arcus Biosciences presented new clinical data at a New York investor event for its HIF-2alpha inhibitor casdatifan in clear cell renal cell carcinoma from its ARC-20 platform study, evaluating first-line combination therapy, second-line treatment, and later-line monotherapy; shares fell 6% following the presentation.
- In first-line therapy (casdatifan plus zimberelimab, 30 patients, median follow-up 11.5 months), 6- and 12-month progression-free survival rates were 86% and 69%, with a confirmed objective response rate of 50%; in second-line therapy (casdatifan plus cabozantinib, 43 patients), median progression-free survival was 14.5 months. In the pooled previously treated monotherapy cohort, median overall survival was 35 months, median progression-free survival 13 months, and confirmed objective response rate 36%, with no unexpected safety signals observed as of the September 4, 2026 data cutoff.
- The company said first-line progression-free survival exceeded benchmarks for pembrolizumab monotherapy and ipilimumab-plus-nivolumab combination therapy, and second-line results exceeded the cabozantinib-monotherapy benchmark; Phase 3 PEAK-20 (casdatifan plus ipilimumab/nivolumab) is set to begin later this year, and Phase 3 PEAK-1 (casdatifan plus cabozantinib, second-line) is ongoing.
Published 4d agoSource: Investing.com ↗