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Rituximab from the first episode of Minimal Change Nephrotic Syndrome for preventing relapse risk in adult patients

Phase 2
Recruiting
Conditions
Minimal Change Nephrotic Syndrom
Registration Number
2024-516102-36-00
Lead Sponsor
Assistance Publique Hopitaux De Paris
Brief Summary

To demonstrate, from initial episode of MCNS in adults, once complete remission occurred, the efficacy of Rituximab (two injections separated by one week 375mg/m2, with definitive steroids withdrawal after 9 weeks of treatment) to prevent relapse after 12 months of follow-up

Detailed Description

Not available

Recruitment & Eligibility

Status
Ongoing, recruiting
Sex
Not specified
Target Recruitment
148
Inclusion Criteria

Patients aged ≥ 18 years

First episode of Minimal Change Nephrotic Syndrome defined as albumin level < 30 g/L and urine protein/creatinine ratio (UPCR) ≥ 300mg/mmol, OR

Biopsy-proven MCNS defined on renal biopsy examination by the presence of minimal change glomerular lesions and absence of segmental sclerosis by light microscopy, negative immunofluorescence, or presence of IgM deposits into the mesangium

Signed informed consent to participate in the study

Patients who are affiliated with the French health care system

Exclusion Criteria

Previous administration of Rituximab therapy

Patients with a known allergy to steroid and its excipients or to Rituximab and its excipients or to acetaminophen and its excipients or to cetirizine and its excipients or to protein of murine origin

Patients with other uncontrolled diseases, including drug or alcohol abuse, severe psychiatric diseases, that could interfere with participation in the trial according to the protocol

Patients who have white blood cell count ≤4,000/mm3

Patients who have platelet count ≤100,000/mm3

Patient who have haemoglobin <9g/dL

Patients who SGOT or SGPT or bilirubin level greater than 3 times the upper limit of normal

Patients who have serum creatinine level >150 µmol/l,

Patients with active cancer or recent cancer (<5 years)

  1. Females of childbearing potential who don’t have an effective method of birth control during the study and during the next 12 months after treatment stop

Women who are pregnant (positive βHCG at inclusion), or who plan to become pregnant whilst in the trial

Patient started on oral steroid therapy according to protocol dosage (1mg/kg) more than 4 weeks ago

Breastfeeding women

Severe heart failure (New York Heart Association Class III and IV) or severe or uncontrolled cardiac disease

Patients who participate simultaneously in another interventional trial

Patients not willing or able to comply with the protocol requirements

Patients who are under tutorship or curatorship

MCNS resulting from a secondary process (lymphoid disorders or malignant disease) or potentially related to treatment known to be associated with MCNS occurrence (Lithium, Interferon, non-steroidal anti-inflammatory drugs)

Patients with acute infections or chronic active infections

Positive serological screening test for HIV, B or C hepatitis

Positive immunological tests for antinuclear and anti-DNA antibodies

Usual contraindication to steroid or Rituximab

Immunosuppressed patients, patients with a severe immune deficit

Patients with hypersensitivity to a monoclonal antibody or biological agents

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Incidence of MCNS relapse during the 12 months following randomization defined by the recurrence of nephrotic syndrome (urine protein/creatinine ratio (UPCR) ≥ 300mg/mmol and decreased albumin level (< 30 g/L) in a patient who was in complete remission

Incidence of MCNS relapse during the 12 months following randomization defined by the recurrence of nephrotic syndrome (urine protein/creatinine ratio (UPCR) ≥ 300mg/mmol and decreased albumin level (< 30 g/L) in a patient who was in complete remission

Secondary Outcome Measures
NameTimeMethod
The relapse rate at 18 months of follow-up after randomization

The relapse rate at 18 months of follow-up after randomization

The type, frequency and the severity of adverse events (AEs) and serious adverse events (SAEs)

The type, frequency and the severity of adverse events (AEs) and serious adverse events (SAEs)

The treatment burden assessed with the Treatment Burden Questionnaire

The treatment burden assessed with the Treatment Burden Questionnaire

To assess potential risk factors of relapse, the following explanatory variables will be recorded (demographics, clinical characteristics, biological variables, renal pathologic findings)

To assess potential risk factors of relapse, the following explanatory variables will be recorded (demographics, clinical characteristics, biological variables, renal pathologic findings)

Trial Locations

Locations (15)

Assistance Publique Hopitaux De Paris

🇫🇷

Boulogne-Billancourt, France

Centre Hospitalier De Valenciennes

🇫🇷

Valenciennes, France

Centre Hospitalier Universitaire De Nantes

🇫🇷

Nantes, France

Centre Hospitalier Universitaire De Bordeaux

🇫🇷

Bordeaux, France

Les Hopitaux Universitaires De Strasbourg

🇫🇷

Strasbourg, France

Centre Hospitalier Universitaire Rouen

🇫🇷

Rouen Cedex, France

Centre Hospitalier Regional De Marseille

🇫🇷

Marseille, France

Centre Hospitalier Intercom Gregoire

🇫🇷

Montreuil, France

Hospital Foch

🇫🇷

Suresnes, France

Centre Hospitalier Sud Francilien

🇫🇷

Corbeil Essonnes, France

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Assistance Publique Hopitaux De Paris
🇫🇷Boulogne-Billancourt, France
Mohamad Zaidan
Site contact
0145212674
mohamad.zaidan@aphp.fr
Alexandre Karras
Site contact
0156093760
alexandre.karras@aphp.fr
Bertrand KNEBELMANN
Site contact
0144495450
bertrand.knebelmann@aphp.fr
Vincent Audard
Site contact
0149814446
vincent.audard@aphp.fr
Eric Daugas
Site contact
0140257101
eric.daugas@aphp.fr
Jean-Jacques Boffa
Site contact
0156017043
jean-jacques.boffa@aphp.fr
Ziad Massy
Site contact
0149095635
ziad.massy@aphp.fr

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