Study to Evaluate the Efficacy of Ruxolitinib 1.5% Cream in Adult Subjects with Discoid Lupus Erythematosus

Topical application of Ruxolitinib 1.5% cream

Apply Ruxolitinib 1.5% cream on the discoid lupus erythematosus lesion without occlusion on Area 1.

Apply Ruxolitinib 1.5% cream on the discoid lupus erythematosus lesion under occlusion at night on Area 2.

Apply Ruxolitinib 1.5% cream on the discoid lupus erythematosus lesion under occlusion at night on Area 1.

Apply Ruxolitinib 1.5% cream on the discoid lupus erythematosus lesion without occlusion on Area 2.