A National Prospective Cohort of Patients With Idiopathic Nephrotic Syndrome Beginning in Childhood.

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

850 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-03-13

Study Completion Date

2045-01-31

Brief Summary

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Pediatric idiopathic nephrotic syndrome (INS) is a rare disease for which the optimal therapeutic strategy has not yet been defined. A network of clinicians treating complicated forms of this disease (grouped within the Société de Néphrologie Pédiatrique, SNP) exists, but to date there is no prospective cohort following up these patients that would facilitate the development of cohort-nested trials. This absence of structured follow up makes it difficult to set up prospective studies.

The main objective is to create a prospective cohort of pediatric INS patients to collect cases treated in SNP centers, to study their epidemiological characteristics, and to provide a basis for comparison for future cohort-nested trials.

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Detailed Description

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In this study, data from patients with INS will be recorded prospectively, regularly and systematically. The cohort will be composed of patients followed by pediatric nephrologists affiliated with the SNP. Metropolitan France, Reunion Island and Mayotte are the geographical areas concerned. It is planned to integrate other French overseas departments and territories, in particular the West Indies.

This is therefore a prospective, multicenter, cohort follow-up study. The data will be centralized via a secure website dedicated to the study.

Data will be obtained from:

* Medical record data (hospitalization/consultations) as part of routine clinical follow-up for patients with active disease. This information will be medically validated and integrated into the database with the help of clinical research staff.
* A telephone interview for annual follow-ups for patients whose absence of active disease no longer requires a systematic medical visit. This structured interview will be administered by telephone by the study's clinical research staff.
* Self-administered or hetero-administered quality of life questionnaires (PEDS-QL), self-administered or hetero-administered treatment compliance questionnaires (Morisky's Score), and questionnaires on the aesthetic impact of treatments (Ferriman's Score). These questionnaires will be centralized and reported to the database by the study's clinical research staff.

Conditions

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Idiopathic Nephrotic Syndrome

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Inclusion and follow up of pediatric patients

Inclusion and follow up of pediatric patients with an idiopathic nephrotic syndrome, from the beginning of the disease to 18 years old or transfer of the follow-up to a nephrology unit for adults.

130 new patients are expected to be included on an annual basis.

Inclusion and follow up of pediatric patients with an idiopathic nephrotic syndrome,

Intervention Type OTHER

The study consists in collecting clinical, biological, psychological and social data of INS pediatric patients.

A bio collection is also created: blood, urine, hair and nails will be collected at the beginning of the INS (before starting immunosuppressive treatment).

Interventions

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Inclusion and follow up of pediatric patients with an idiopathic nephrotic syndrome,

The study consists in collecting clinical, biological, psychological and social data of INS pediatric patients.

A bio collection is also created: blood, urine, hair and nails will be collected at the beginning of the INS (before starting immunosuppressive treatment).

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Patient under 18 years of age
* With idiopathic nephrotic syndrome (according to SPN criteria) beginning after January 1, 2018
* Child seen at least once in consultation or hospitalization by a pediatrician member of the Society of Pediatric Nephrology
* Residing in France
* Consent signed by parents and patient's agreement to participate (if of age)
* Affiliated to a social security system.