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

$RCUSPress releaseJul 1, 2026, 11:00 AM ETRead the release

Arcus Biosciences announced the publication of research in Nature linking HIF-2a biology with clinical activity for casdatifan in advanced kidney cancer. The study showed that deep suppression of serum EPO correlated with better outcomes, with a pooled analysis showing a median progression-free survival of 12.2 months in heavily pre-treated patients.

Key figures

Drug Name
Casdatifan (AB521)
Phase Of Trial
Phase 3 (ongoing PEAK-1), Phase 2/3 (ARC-20)
Patients pooled n
121
Orr pooled percent
31%
Orr 100mg qd percent
35%
Median pfs pooled months
12.2
Pfs rate 12mo 100mg qd percent
60%
Median pfs 100mg qd jan26 months
15.1

AI analysis

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