Diagnoses Disease Clinical Trial
— PEROXY4GOfficial title:
Evaluation of a New Strategy for the Diagnosis of Peroxisomal Diseases
The principal aim of the study is to avoid the diagnostic wanderings of patients suffering from a peroxisomal disorder. For this purpose, a new diagnostic strategy is proposed. It rests on functional metabolic explorations and gene studies directly connected to a first-line enlarged physico-chemical detection of metabolites from peroxisomal origin in clinically suspect patients.
Status | Recruiting |
Enrollment | 60 |
Est. completion date | December 2023 |
Est. primary completion date | December 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | N/A and older |
Eligibility | Inclusion Criteria: I - CLINICAL/BIOLOGICAL CRITERIA For an efficient screening of the patients of the 4 contributing University Hospitals (Amiens, Caen, Lille and Rouen), various inclusion criteria were selected: In general, the inclusion criterion is the existence of a positive biology or in turn the persistence of a clinical suspicion in spite of a negative biology. I A - Children from 0 to 17 years: The clinical inclusion criterion is a positive biology or the persistence of a clinical suspicion in spite of a negative biology. This persistent clinical suspicion is left to the discretion of the clinician. It is essentially based on the existence of a family history of peroxisomal (or suspected) pathology and / or the combination of several clinical signs of craniofacial dysmorphism, skeletal abnormalities, encephalopathy (seizures, ataxia, Hypotonia), demyelinating peripheral neuropathy, ophthalmopathy (retinopathy, cataract), hepatic impairment (hyperbilirubinemia, hepatomegaly, cholestasis) and growth retardation OR I B - Adults from 18 years The neurological symptoms of peroxisomal diseases in adulthood are numerous and non-specific. The three inclusion criteria selected for patient selection are as follows: - Cognitive impairment (delayed acquisition or regression) and / or leukodystrophy AND At least one of the following signs: Cerebellar ataxia, Spastic paraparesis, Peripheral neuropathy, Neurosensory deafness, Retinitis pigmentosa, Epilepsy, Unexplained unexplained vigilance, Peripheral corticotropic insufficiency +/- gonadotropic AND - no evidence for an extraperoxisomal origin of the patient disease stated after the usual paraclinic explorations II - NON CLINICAL CRITERIA - Social insurances - Having understood the information note and having signed the informed consent form. - Patients under guardianship or curatorship may be included, since peroxisomal diseases as a cause of neurological impairment may potentially lead to guardianship. Exclusion Criteria: - Pregnant or nursing women - Person deprived of liberty or in emergency situations |
Country | Name | City | State |
---|---|---|---|
France | Département de Pédiatrie, Unité de Génétique Clinique, CHU d'Amiens | Amiens | |
France | Pédiatrie, CHU Clémenceau de Caen | Caen | |
France | Hôpital Jeanne de Flandres, CHRU | Lille | |
France | Pédiatrie, Pavillon Mère et Enfant, CHU Ch. Nicolle de Rouen | Rouen |
Lead Sponsor | Collaborator |
---|---|
University Hospital, Lille | Ministry of Health, France |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Percentage of cases diagnosed by the new procedure versus the number of patients included. | Evaluation of a diagnostic strategy based on functional metabolic explorations and gene studies directly connected to a first-line enlarged physico-chemical detection of metabolites from peroxisomal origin in clinically or biologically suspect patients
The study is concomitant with an implementation in the routine Hospitals of the inter-region (West and North of France) of an immediate wide exploration (and not sequential and optional) of diagnostic markers of a pathology peroxisomal. This wide exploration should by itself lead to a diagnosis enrichment and should increase the number of inclusions. But the study, for patients thus included, is also considering an enlarged scanning of functional and genetic explorations that follow inclusion (instead of targeted screening guided primarily by the biological anomaly in the usual practice). |
14 months | |
Secondary | Number of new cases diagnosed by the new procedure in relation to the number of habitants per year. | Evaluation of a diagnostic strategy based on functional metabolic explorations | 14 months |
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