Third-line Treatment Options for Cutaneous Lichen Planus

This protocol covers patients with cutaneous lichen planus (ICD-11 EA91 / ICD-10 L43) for whom third-line treatment is being considered.

At the third-line stage, the protocol considers multiple categories of intervention — including systemic immunomodulatory agents, biologic therapies, antimicrobial agents, and procedure-based modalities — selected according to individual patient circumstances.

The full protocol specifies the complete range of options and the criteria that guide selection among them.