belzutifan

Also known as MK-6482 and WELIREG.

Latest news on belzutifan

12 June 2026
Merck: FDA approves KEYTRUDA and KEYTRUDA QLEX with WELIREG for adjuvant ccRCC

FDA cleared PD‑1 plus HIF‑2α adjuvant regimens after Phase 3 showed 28% lower recurrence risk and 81% vs 74% 24‑month DFS; notable anemia, hypoxia and treatment discontinuations.