Cutaneous Lupus Erythematosus

The purpose of this global, multicenter, Phase 3 study is to evaluate the efficacy and safety of enpatoran over 24 weeks in participants with active cutaneous manifestations of lupus erythematosus with or without systemic disease. Study details include: Study Duration: Up to 35 weeks. Treatment Duration: 24 weeks. Visit Frequency: every 4 weeks, with the exception of the Week 2 televisit. Study Intervention Name: Enpatoran, Placebo. Intervention Form: Film-coated tablet.

This study is a Phase Ia, single-center, randomized, double-blind, dose-escalation, placebo-controlled clinical trial designed to evaluate the safety, tolerability, and pharmacokinetic/pharmacodynamic (PK/PD) profile of ACT100 in healthy participants. A total of 6 dose cohorts are planned, with each cohort enrolling 8 participants (including both male and female participants, where 6 will receive the investigational drug and 2 will receive placebo). The total planned enrollment is 48 healthy participants.