Biogen, Litifilimab, BIIB059, Cutaneous Lupus Erythematosus, CLE, Lupus, AMETHYST, Phase 2, Phase 3, Clinical Trial, BDCA2, Plasmacytoid Dendritic Cells,

CAMBRIDGE, Mass. — October 2, 2026 Biogen Inc. reported new 52-week Phase 2 data from the AMETHYST Phase 2/3...