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Injections of Botulinic Toxin in Plantar Lesions of Localized Epidermolysis Bullosa Simplex

2018-03-08 22:39:10 | BioPortfolio

Summary

The investigators hypothesize that palmar injections of botulinic toxin, via an inhibition of the sudation, would limit the occurrence of blisters in localized epidermolysis bullosa simplex (LEBS).

Description

Epidermolysis bullosa is a group of rare genetic diseases characterized by the occurrence of blisters and erosions due to skin fragility. There are 4 different subgroups, based on the location of the skin cleavage area. The most frequent subgroup is the simplex form, consisting predominantly of the localized form (localized epidermolysis bullosa simplex: LEBS). The incidence of LEBS was estimated at between 1/318.000 and 1/35.000. The disease starts early in infancy by the occurrence of blisters and erosions located on soles, secondary to frictions during the walk. The phenomenon is worsened by heat and sudation. LEBS is due to mutations in keratin genes. Life expectancy in LEBS is normal but the quality of life is significantly impaired due to permanent skin pain and limitation of everyday activities (walking, sports). There is no effective or curative treatment. Patients must limit the frictions, protect the skin and use plasters in case of skin lesions.

Botulinic toxin has an agreement for the treatment of axillary hyperhidrosis and has been shown to be also effective on palms and soles. The efficacy of botulinic toxin in plantar lesions of LEBS has been reported in the literature (one case report and a short retrospective series of 6 patients) but there is no proper study.

Study Design

Conditions

Epidermolysis Bullosa Simplex

Intervention

Botulinic toxin, Placebo

Location

Hôpital Larrey - CHU Toulouse
Toulouse
France
31059

Status

Not yet recruiting

Source

University Hospital, Toulouse

Results (where available)

View Results

Links

Published on BioPortfolio: 2018-03-08T22:39:10-0500

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