- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03790293
Clinical and Immunological Long-term Follow-up of Patients With Pemphigus Included in the "RITUXIMAB 3" Trial (LTFURITUX3)
Clinical and Immunological Long-term Follow-up of Patients With Pemphigus Included in the "RITUXIMAB 3" Trial With Medico-economic Evaluation of the Treatment.
Pemphigus is an autoimmune disease specific to the skin and mucous membranes characterized by the production of IgG4 isotype autoantibodies (AC) directed mainly against two proteins involved in interkeratinocyte adhesion: desmoglein 1 (Dsg1 ) and desmoglein 3 (Dsg3) (1-3). The binding of auto-AC on these proteins disrupts their adhesion function, resulting in inter-keratinocyte dysjunction called "acantholysis" responsible for the formation of intraepidermal bubbles.
Treatment of pemphigus is typically based on systemic corticosteroids. High doses are usually necessary because of the frequent cortico-resistance of the disease. In recent years, several studies have focused on the treatment of pemphigus with anti-CD20: rituximab. The "Ritux 3" study (NCT00784589), a randomized, multicentre, randomized, non-blind clinical trial involving 90 patients, found that the use of rituximab as first-line therapy in combination with short corticosteroid therapy was extremely effective and that cortisone sparing was thus obtained limited the occurrence of side effects of treatment. On the other hand, this study showed that the 2 rituximab maintenance infusions of 500 mg to M12 and M18 allowed the maintenance of a high rate of complete remission up to the 3rd year of follow-up.
Questions remain to explain the long-term action of rituximab, in particular that of the evolution of these auto-reactive B cells (specific DSG) away from lymphocyte reconstitution B, as well as the evolution of auto-AC. anti-DSG and total IgG CAs, so as to ensure that the disappearance of the auto-reactive compartment is not accompanied by a long-term overall immunosuppression (and therefore a possible risk of infection).
The immunological changes induced in the long term as well as the precise mechanism of action of these treatments and particularly rituximab which allows a complete remission 5 years after treatment in many patients remain little known.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Phase 3
Contacts and Locations
Study Contact
- Name: Pascal JOLY
- Phone Number: 0033232886841
- Email: pascal.joly@chu-rouen.fr
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patient included in the RITUXIMAB 3 study
- Major patient who has read and understood the newsletter and signed the consent form
Exclusion Criteria:
- Person deprived of liberty by an administrative or judicial decision
- Person placed under the safeguard of justice
- Person under tutorship or curators
- Pregnant or lactating woman
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Rituximab
Rituximab in combination with reduced corticosteroids is administrated
|
Patient was enrolled into the RITUXIMAB 3 study in the arm Rituximab in association with low corticosteroids'therapy
Patient was enrolled into the RITUXIMAB 3 study in the arm Patient was enrolled into the RITUXIMAB 3 study in the arm standard corticosteroid
|
Active Comparator: Standard corticosteroid
Standard corticosteroid is administrated
|
Patient was enrolled into the RITUXIMAB 3 study in the arm Patient was enrolled into the RITUXIMAB 3 study in the arm standard corticosteroid
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluate the occurrence of long-term serious AEs and AEs in patients initially randomized in the rituximab arm and in those who have secondarily received the product during the course of their pemphigus
Time Frame: 1 day: 5 to 7 years after the inclusion into RITUXIMAB 3 study
|
Collect of SAE and AE
|
1 day: 5 to 7 years after the inclusion into RITUXIMAB 3 study
|
Evaluate the long-term relapse rate in patients initially randomized in the rituximab arm and in those who have secondarily received the product during the course of their pemphigus
Time Frame: 1 day: 5 to 7 years after the inclusion into RITUXIMAB 3 study
|
Collect of relapses
|
1 day: 5 to 7 years after the inclusion into RITUXIMAB 3 study
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2018/070/HP
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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