21/04/2026 Phase 3 LITESPARK-012: Triplet and Doublet Regimens Fail to Surpass KEYTRUDA + LENVIMA in Advanced RCC Phase 3 LITESPARK-012: Triplet and Doublet Regimens Fail to Surpass KEYTRUDA + LENVIMA in Advanced RCC ( Ref ) Merck & Co. and Eisai announced that their Phase 3 LITESPARK-012 trial did not meet its dual primary endpoints of progression-free survival (PFS) and overall survival (OS) for first-line treatment of advanced clear cell RCC. Both experimental combination