Treatment of Female Genital Erosive Lichen Planus(GELP) With Hexaminolevulinate PDT

Inclusion Criteria: Women with symptomatically genital ELP, clinically verified by at least one doctor attended to the Vulva clinic. Untreated for ELP for at least 4 weeks. Written Informed Consent signed Age 18 or above Exclusion Criteria: Current pelvic inflammatory disease, genital malignancy, or gynecological infection. Known or suspected porphyria Known allergy to hexaminolevulinate or similar compounds (e.g. hexaminolevulinate or aminolevulinic acid) Pregnancy and lactation Participation in other clinical study either concurrently or within the last 30 days