EBULO: A 20-Week Multicentre Open Study Assessing the Efficacy and Safety of Apremilast in Patients Over 6 Years with EB Simplex Generalized
Led by Centre Hospitalier Universitaire de Nice · Updated on 2025-02-24
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Participants Needed
4
Research Sites
26 weeks
Total Duration
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What this Trial Is About
Researchers are evaluating the efficacy and safety of Apremilast in patients aged 6 years and older with Epidermolysis Bullosa Simplex generalized, a genetic skin condition. This phase 2 open-label study aims to describe how well Apremilast works in reducing symptoms, particularly the occurrence of new blisters, over a 20-week period.
Participants will undergo three distinct periods: an initial 8-week treatment phase called challenge, followed by a 4-week period without treatment called dechallenge, and a second 8-week treatment phase called rechallenge. During these periods, patients will take Apremilast and have regular visits to the hospital where doctors will perform study procedures and monitor progress.
Throughout the study, participants will have seven visits where doctors will check vital signs, perform clinical examinations, review treatment adherence, and monitor for any side effects. Patients will also complete various questionnaires about their condition. The main measure of success is the efficacy of Apremilast at 20 weeks, along with safety assessments. The total study duration for each participant is 20 weeks.
CONDITIONS
Brief Title
A 20-Week Study Assessing the Efficacy of Apremilast in Patients with EB Simplex Generalized
Who Can Participate
Age: 6Years - 99Years
All Genders
Eligibility Criteria
You may qualify if you...
Male or female patients 6 years or older
Laboratory confirmed diagnosis of EBS-sev due to KRT5 or KRT14 mutation (autosomal)
Mean daily number of new blisters greater than 3
Subject or caregiver agrees not to use any topical therapies other than those approved by the investigator
You will not qualify if you...
EBS lesions requiring oral therapy to treat an infection
Use of any diacerein-containing product within 6 months prior to first visit
Use of systemic immunotherapy or cytotoxic chemotherapy within 60 days prior to first visit
Use of systemic steroidal therapy within 30 days prior to first visit
Use of any systemic product that might put the subject at undue risk or interfere with study assessments within 30 days prior to first visit
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Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Treatment Period 1 (Challenge)
Duration - 8 weeks
Participants receive apremilast treatment and attend hospital visits where study procedures are performed, including clinical examinations and questionnaires.
Visits at the hospital during treatment period
Dechallenge Period
Duration - 4 weeks
Participants stop apremilast treatment for 4 weeks with monitoring of clinical status and adverse events.
Visits at the hospital during dechallenge period
Treatment Period 2 (Rechallenge)
Duration - 8 weeks
Participants receive a second 8-week period of apremilast treatment with hospital visits for clinical examination, questionnaires, and monitoring.
Visits at the hospital during rechallenge treatment period
Multicentre phase II open study assessing the efficacy and safety of apremilast in children and adults with epidermolysis bullosa simplex generalised: study protocol for the EBULO study.