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Lichen planus
MONDO:0006572A 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.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Lichen planus
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Lichen planus, oral 30 trials
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Lichen planus pigmentosus 2 trials
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Atrophic lichen planus 1 trial
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Hypertrophic lichen planus 1 trial
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Actinic lichen planus 0 trials
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Annular atrophic lichen planus 0 trials
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Annular lichen planus 0 trials
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Bullous lichen planus 0 trials
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Lichen planus pemphigoides 0 trials
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Lichen planus, familial 0 trials
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Linear lichen planus 0 trials
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Experimental drug aims to halt scarring hair loss
Disease control CompletedThis pilot study tests an experimental drug called ritlecitinib in people with cicatricial alopecia, a type of hair loss where hair follicles are permanently destroyed and replaced by scar tissue. The drug works by blocking certain enzymes involved in inflammation. Researchers wi…
Phase 2 • Sponsor: Emma Guttman • Aim: Disease control
Last updated Jul 17, 2026 00:00 UTC
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New drug may offer safer relief for painful mouth condition
Disease control CompletedThis study tested two drugs, apremilast and methotrexate, added to standard steroid treatment for oral lichen planus, a chronic inflammatory mouth condition causing pain and sores. 64 adults with moderate to severe disease who didn't respond to topical steroids took either apremi…
Phase 4 • Sponsor: All India Institute of Medical Sciences, Bhubaneswar • Aim: Disease control
Last updated Jun 27, 2026 08:01 UTC
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Can a glowing light reveal hidden mouth lesions?
Diagnosis CompletedResearchers are testing whether a handheld device that shines a special light on the inside of the mouth can help clinicians spot suspicious areas that might be precancerous or cancerous. The study will have three dentists with different levels of experience examine 200 adults, i…
Sponsor: Federico II University • Aim: Diagnosis
Last updated Sep 04, 2026 00:00 UTC
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Lichen planus may mess with your sense of smell and taste, study finds
Knowledge-focused CompletedThis completed study looked at whether lichen planus, a chronic inflammatory condition, affects smell and taste. 88 adults (patients and healthy controls) took smell and taste tests and had oral and nasal exams. The goal was to see if mucosal involvement is linked to sensory chan…
Sponsor: Istanbul Training and Research Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:29 UTC