Plasma Dihydroceramides Are Associated With Hepatic Steatosis in Type 1 and Type 2 Diabetes (CERADIAB)
Aperçu de l'étude
Statut
Statut
Les conditions
Les conditions
Intervention / Traitement
Intervention / Traitement
Description détaillée
Sphingolipids represent a major class of lipids that are structural and signaling molecules. Major bioactive sphingolipids include ceramide, dihydroceramide, sphingosine, sphingosine-1-phosphate and sphingomyelin.
Sphingoliplids are involved in development of various chronic metabolic diseases. Some ceramides species are implicated in pancreatic β-cell apoptosis and in insulin resistance in muscle, fat and liver. Some studies have shown association between inhibition of ceramide synthesis, insulin sensibility and lower hepatic steatosis. The deposition of hepatic lipids, especially triacylglycerol, defines the development of hepatic steatosis. However, sphingolipids appear to play an important role in non-alcoholic fatty liver disease (NAFLD) and in its progression. Changes in plasma shingolipids concentrations may also contribute to the pathogenesis in cardiovascular disease and atherosclerosis. Distribution of plasma sphingolipids concentrations in type 1 and type 2 diabetes has poorly been studied.
The objective of the CERADIAB study is to compare plasma sphingoliplids concentrations in type 1 and type 2 diabetic patients.
Type d'étude
Type d'étude
Inscription (Réel)
Inscription
Contacts et emplacements
Lieux d'étude
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-
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Paris, France, 75013
- Groupe Hospitalier Pitie-Salpetriere
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Critères de participation
Critère d'éligibilité
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
Méthode d'échantillonnage
Population étudiée
La description
Inclusion Criteria:
- type 1 or 2 diabetes
Exclusion Criteria:
atypical diabetes
- family dyslipidemia
- nonmetabolic hepatopathy
- severe renal failure
- corticosteroid or immunosuppressive therapy
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
Nombre de groupes / cohortes
Cohortes et interventions
Groupe / CohorteGroupe / Cohorte |
Intervention / TraitementIntervention / Traitement |
|---|---|
|
Type 1 diabetes
dosing of sphingolipids
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- Measuring the concentration of many species of sphingomyelins, ceramides, dihydroceramides and sphingosine
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Type 2 diabetes
Dosing of sphingolipids
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- Measuring the concentration of many species of sphingomyelins, ceramides, dihydroceramides and sphingosine
|
Que mesure l'étude ?
Principaux critères de jugement
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
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Comparison of plasma total ceramides concentration in type 2 diabetic patients versus type 1 diabetic patients.
Délai: Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Three-hundred microlitres of plasma were used to quantify dihydroceramides, ceramides, sphingomyelins and sphingosine content.
The lipid subspecies were extracted and analysed by Liquid Chromatography Mass Spectrometry (LC-MS/MS), at the Lipidomic Core Facility of the University of Bourgogne (Dijon, France).
|
Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Mesures de résultats secondaires
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
- Comparison of plasma total dihydroceramides concentration in type 2 diabetic patients versus type 1 diabetic patients.
Délai: Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Three-hundred microlitres of plasma were used to quantify dihydroceramides, ceramides, sphingomyelins and sphingosine content.
The lipid subspecies were extracted and analysed by Liquid Chromatography Mass Spectrometry (LC-MS/MS), at the Lipidomic Core Facility of the University of Bourgogne (Dijon, France).
|
Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
|
- - Comparison of plasma total sphingomyelins concentration in type 2 diabetic patients versus type 1 diabetic patients.
Délai: Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Three-hundred microlitres of plasma were used to quantify dihydroceramides, ceramides, sphingomyelins and sphingosine content.
The lipid subspecies were extracted and analysed by Liquid Chromatography Mass Spectrometry (LC-MS/MS), at the Lipidomic Core Facility of the University of Bourgogne (Dijon, France).
|
Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
|
- Comparison of plasma total sphingosine concentration in type 2 diabetic patients versus type 1 diabetic patients.
Délai: Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Three-hundred microlitres of plasma were used to quantify dihydroceramides, ceramides, sphingomyelins and sphingosine content.
The lipid subspecies were extracted and analysed by Liquid Chromatography Mass Spectrometry (LC-MS/MS), at the Lipidomic Core Facility of the University of Bourgogne (Dijon, France).
|
Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
|
- Comparison of plasma ceramide species (C16, C18, C20, C22, C23, C24, C24:1, C26:1, C26:2 ceramides) concentration in type 2 diabetic patients versus type 1 diabetic patients.
Délai: Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Three-hundred microlitres of plasma were used to quantify dihydroceramides, ceramides, sphingomyelins and sphingosine content.
The lipid subspecies were extracted and analysed by Liquid Chromatography Mass Spectrometry (LC-MS/MS), at the Lipidomic Core Facility of the University of Bourgogne (Dijon, France).
|
Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
|
- Comparison of plasma dihydroceramide species (C18/16, C18/18, C18/20, C18/22, C18/23, C18/24, C18/24:1, C18/26:1, C18/26:2 dihydroceramides) concentration in type 2 diabetic patients versus type 1 diabetic patients.
Délai: Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Three-hundred microlitres of plasma were used to quantify dihydroceramides, ceramides, sphingomyelins and sphingosine content.
The lipid subspecies were extracted and analysed by Liquid Chromatography Mass Spectrometry (LC-MS/MS), at the Lipidomic Core Facility of the University of Bourgogne (Dijon, France).
|
Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
|
- Correlation between sphingolipids species concentrations and NAFLD biomarkers (steatotest, NASHtest and fibrotest)
Délai: Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Three-hundred microlitres of plasma were used to quantify dihydroceramides, ceramides, sphingomyelins and sphingosine content.
The lipid subspecies were extracted and analysed by Liquid Chromatography Mass Spectrometry (LC-MS/MS), at the Lipidomic Core Facility of the University of Bourgogne (Dijon, France).
|
Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
|
- Correlation between sphingolipids species concentrations and insulin resistance (HOMA-IR)
Délai: Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Three-hundred microlitres of plasma were used to quantify dihydroceramides, ceramides, sphingomyelins and sphingosine content.
The lipid subspecies were extracted and analysed by Liquid Chromatography Mass Spectrometry (LC-MS/MS), at the Lipidomic Core Facility of the University of Bourgogne (Dijon, France).
|
Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
|
- Correlation between sphingolipids species concentrations and microvascular complications (history of retinopathy, nephropathy and neuropathy)
Délai: Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Three-hundred microlitres of plasma were used to quantify dihydroceramides, ceramides, sphingomyelins and sphingosine content.
The lipid subspecies were extracted and analysed by Liquid Chromatography Mass Spectrometry (LC-MS/MS), at the Lipidomic Core Facility of the University of Bourgogne (Dijon, France).
|
Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
|
- Correlation between sphingolipids species concentrations and macrovascular complications (cardiovascular disease history)
Délai: Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Three-hundred microlitres of plasma were used to quantify dihydroceramides, ceramides, sphingomyelins and sphingosine content.
The lipid subspecies were extracted and analysed by Liquid Chromatography Mass Spectrometry (LC-MS/MS), at the Lipidomic Core Facility of the University of Bourgogne (Dijon, France).
|
Samples taken in 1 single time in the morning, patients fast for 12 hours, on 1 single day
|
Collaborateurs et enquêteurs
Parrainer
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Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Début de l'étude
Achèvement primaire (Réel)
Achèvement primaire
Achèvement de l'étude (Réel)
Achèvement de l'étude
Dates d'inscription aux études
Première soumission
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Première publication
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour publiée
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Dernière vérification
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
Autres numéros d'identification d'étude
- CIC14-21-17-12
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