Arcus kidney cancer drug data published in Nature journal

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New Research Published in Nature Links Clinical Activity with HIF‑2a Biology in Advanced Kidney Cancer Patients Treated with Casdatifan

July 1, 2026 11:00 AM EDT

This is the first study to comprehensively interconnect clinical outcomes from patients receiving a HIF-2a inhibitor with peripheral biomarker changes and associated tumor biology HIF-2a inhibition with casdatifan resulted in deep and sustained suppression of the hormone erythropoietin in blood (serum EPO), which correlated with higher response rates and longer progression-free survival (PFS) A pooled analysis from four monotherapy cohorts (n=121) of the ARC-20 study showed that advanced kidney cancer patients treated with casdatifan lived beyond a year without cancer progression (median PFS of 12.2 months)... More