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Lichen planus pigmentosus

MONDO:0016774

Lichen planus (LP) pigmentosus is a rare variant of cutaneous lichen planus characterized by the presence of hyperpigmented lichenoid lesions in sun-exposed or flexural areas of the body.

Also known as: LP pigmentosa, LP pigmentosus, lichen planus pigmentosa, lichen planus pigmentosus inversus

2 clinical trials for this condition and its sub-types.

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Broader categories

Disease (680) Inflammatory disease (332) Skin disorder (132) Dermatitis (62) Lichen planus (16) Human disease (14) Disease by body system or component (0) Disease by developmental or physiological process (0) Integumentary system disorder (0) Lichen disease (0)

Trials to join now! 1 Not yet finished but already full! 1

Could a common clot drug fade stubborn skin darkening?

Symptom relief Recruiting now

This small phase 2 trial is testing whether tranexamic acid, a drug used to reduce bleeding, can lighten dark patches on the skin caused by lichen planus pigmentosus and erythema dyschromicum perstans. Five adults will take the drug twice daily for six months. Researchers will me…

Phase: PHASE2 • Sponsor: Henry Ford Health System • Aim: Symptom relief

Last updated Jun 26, 2026 14:24 UTC