Seoul – September 16, 2026 -- Risvutatug rezetecan (Ris-Rez), a B7-H3-directed antibody-drug conjugate, reduced the risk of death by 54% compared with topotecan in patients with relapsed small-cell lung cancer, according to Phase III ARTEMIS-008 trial results presented at the IASLC 2026 World Conference on Lung Cancer.