15928230LE306OpenA Multicenter, Randomized, Dose-Blind, Phase 3 Long-Term Extension Study to Evaluate Continuous Safety and Efficacy of Litilfilimab (BIIB059) in Adult Participants with Active Systemic Lupus Erythematosus STUDY00008299NCT05352919NationalAdultTreatmentIIIGlobalOtherLockwood, MeganGeorgetown University Medical Center; Lombardi Comprehensive Cancer Center2026.1.0 Build 16 <a href="https://advarra.com" target="_blank">© 2026 Advarra, Inc.</a>