Actively Recruiting

Phase 2
Age: 6Years - 99Years
All Genders
ID06509984

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

20

Participants Needed

4

Research Sites

26 weeks

Total Duration

On this page

AI-Summary

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

Eligible

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
Not Eligible

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

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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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

Trial Site Locations

Total: 4 locations

1

CHU de Nice

Nice, France, France, 06000

Actively Recruiting

2

APHP Necker-Enfants-Malades

Paris, France, France, 75015

Not Yet Recruiting

3

APHP Hôpital Saint-Louis

Paris, France, France, 75018

Not Yet Recruiting

4

chu de Toulouse

Toulouse, France, 31059

Not Yet Recruiting

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How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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Published Research Related To This Trial

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.

Eric Fontas, Thomas Hubiche, Annabel Maruani...

https://pubmed.ncbi.nlm.nih.gov/41224305