A Multicenter, Open-label, Single-arm, Phase 3 Long-Term Extension Study to Evaluate Continuous Safety and Efficacy of BIIB059 (Litifilimab) in Adult Participants with Active Subacute Cutaneous Lupus Erythematosus and/or Chronic Cutaneous Lupus Erythemato

A Multicenter, Open-label, Single-arm, Phase 3 Long-Term Extension Study to Evaluate Continuous Safety and Efficacy of BIIB059 (Litifilimab) in Adult Participants with Active Subacute Cutaneous Lupus Erythematosus and/or Chronic Cutaneous Lupus Erythematosus with or without Systemic Manifestations and Refractory and/or Intolerant to Antimalarial Therapy (AMETHYST LTE)