Lichen planus

MONDO:0006572

A chronic, recurrent, pruritic inflammatory disorder of unknown etiology that affects the skin and mucus membranes. It presents with rashes and papules that tend to resolve spontaneously. It may be associated with hepatitis C. Certain drugs that contain arsenic or bismuth are associated with reactions mimicking lichen planus.

Also known as: lichen ruber planus, ruber planus

48 clinical trials for this condition and its sub-types, 19 tagged with Lichen planus itself.

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Where it sits in the disease tree

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Part of

↑ Dermatitis (1624) ↑ Lichen disease (47)

Sub-types of Lichen planus

Including sub-types (48) Tagged with Lichen planus (19)

Trials to join now! 10 Not yet recruiting 1 Not yet finished but already full! 4 Completed 4

New hope for painful skin condition: drug trial launches

Disease control Not yet recruiting

This study tests a daily pill called upadacitinib for people with severe forms of lichen planus, a skin disease causing painful mouth sores or hair loss. About 56 adults will receive either the drug or a placebo for 16 weeks to see if it reduces symptoms. The goal is to control t…

Phase 2 • Sponsor: Centre Hospitalier Universitaire de Nice • Aim: Disease control

Last updated Jun 27, 2026 12:00 UTC

Lichen planus

Where it sits in the disease tree

New hope for painful skin condition: drug trial launches