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A phase 2 study of S-005151 in patients with dystrophic epidermolysis bullosa to evaluate the efficacy for intractable ulcers

Phase 2
Recruiting
Conditions
dystrophic epidermolysis bullosa
Registration Number
JPRN-jRCT2031220378
Lead Sponsor
Juan Carlos Gomez
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
3
Inclusion Criteria

Patients with dystrophic epidermolysis bullosa who currently meet or previously met 1 and at least one of 2 to 5 below.
1. Patients who have easily developed and continue to have blisters, erosions, and ulcers in the skin and oral mucosa due to minor mechanical irritation from immediately after birth or around the age of 0 to 6 years.
2. Patients who have patients with dystrophic epidermolysis bullosa in the family.
3. Patients with blisters formed in the dermis just below the basement membrane by histological examination of the initial site of blister.
4. Patients with decreased /disappeared type VII collagen in the basement membrane of the skin observed by immunofluorescent staining in the non-bullous area.
5. Patients with type VII collagen gene (COL7A1) mutation by genetic diagnosis.
Patients with dystrophic epidermolysis bullosa who have intractable ulcers that have not closed for 12 weeks or more at the time of enrollment, have an area of 4 cm2 or more, and have not seen an area reduction of 50% or more during the pre-observation period compared to Visit 1.

Exclusion Criteria

Patients with epidermolysis bullosa other than dystrophic.
Patients who newly received long-term systemic administration of steroids or immunosuppressants due to complications of epidermolysis bullosa or other reasons from informed consent to starting administration.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
closure of intractable ulcer
Secondary Outcome Measures
NameTimeMethod
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