A Study to Assess the Safety, Tolerability, and Efficacy of IMVT-1402 in Participants With Cutaneous Lupus Erythematosus (CLE)

Inclusion Criteria: * Have documented diagnosis of SCLE or CCLE that has been confirmed by biopsy with or without systemic LE manifestations. * Have a total CLASI-A score of ≥10 at Screening and Day 1. Participants with a CLASI-A score of ≥8 and \<10 are eligible if the score does not include alopecia and/or mucous membrane lesions. * Have active CLE despite an adequate trial of conventional therapies. * Are positive for at least one autoantibody at Screening. Exclusion Criteria: * Have known or suspected drug-induced CLE anti-phospholipid disease, or neuropsychiatric SLE. * Have rapidly progressive nephritis. * Have current inflammatory skin disease other than SCLE/CCLE that, in the opinion of the Investigator, could interfere with the inflammatory skin assessments or confound the disease activity assessments. Note: Other protocol defined Inclusion/Exclusion criteria may apply