Cette page a été traduite automatiquement et l'exactitude de la traduction n'est pas garantie. Veuillez vous référer au version anglaise pour un texte source.

Regulation of Lipid Metabolism in Autoimmune Disease: Multiple Sclerosis (RELOAD-MS)

22 avril 2020 mis à jour par: University College, London
The aim of this research is to understand how lipids such as cholesterol affect the disease process in people with MS.

Aperçu de l'étude

Statut

Inconnue

Les conditions

Intervention / Traitement

Description détaillée

In Multiple Sclerosis (MS) immune cells recognise myelin, the coating around nerve fibres, as a foreign molecule and attack it by mistake; at the same time regulatory immune cells (which are normally protective) do not work properly and cannot block the harmful effects of the activated immune cells effectively.

Immune cells work via a complex system of signals that start on the outside layer of the cell (the plasma membrane), these signals are transmitted inside the cell where they trigger immune cell activation. The plasma membrane consists of a fatty layer and changes in the type of fat in the membrane can affect immune cell signalling and immune cell function.

The aims of this project are to:

  1. Identify what is different about the types of fat in immune cells from healthy donors and people with MS and identify what triggers the production of these different types of fat.
  2. Identify how different types of fat control immune cell function in healthy donors and people with MS
  3. Identify possible ways to regulate the type of fat in immune cell membranes to restore normal immune cell function in MS.

Methods: This research study involves collecting participant demographic and clinical information, blood and Cerebral Spinal Fluid (CSF) (optional) from patients with MS. Blood will also be collected from healthy volunteers for comparison. Experiments will be performed on the blood samples and the results correlated with the clinical and disease features of patients.

Outcomes: Many of the molecules involved in the generation of fats are well known and for some of them drugs are already used in humans to treat diseases (for example statins). This could allow the rapid translation of the results from this study to the clinic and have a direct impact for people with MS.

Type d'étude

Observationnel

Inscription (Anticipé)

275

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

      • London, Royaume-Uni, NW1 2BU
        • Recrutement
        • University College London Hospitals NHS Foundation Trust
        • Contact:
      • London, Royaume-Uni, WC1N 3BG
        • Recrutement
        • National Hospital For Neurology and Neurosurgery
        • Contact:

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans à 80 ans (Adulte, Adulte plus âgé)

Accepte les volontaires sains

Oui

Sexes éligibles pour l'étude

Tout

Méthode d'échantillonnage

Échantillon non probabiliste

Population étudiée

Those with and those without MS

La description

Inclusion Criteria:

  • 01. Male and female patients of between 18 years and 80 years of age with a diagnosis of MS or CIS.
  • Diagnosis confirmed according to the standards at the time when diagnosis was made.
  • Patients not receiving biological DMDs within the previous 3 months OR
  • Patients treated with DMDs (Interferon beta (Rebif, Betaferon, Avonex, Plegridy), Glatiramer Acetate (Copaxone), Dimethylfumarate (Tecfidera), Fingolimod (Gilenya), Teriflunomide (Aubagio), Natalizumab (Tysabri),) Alemtuzumab (Lemtrada), immunosuppressive drugs (azathioprine, cyclophosphamide etc) who have stable disease in the last 3 months.
  • Last course of corticosteroids more than three months ago.
  • 02. Having given written informed consent prior to undertaking any study-related procedures.
  • 03. Covered by a health insurance system where applicable, and/or in compliance with the recommendations of the national laws in force relating to biomedical research.
  • 04. Healthy donors ONLY : Male and female donors of between 18 years and 80 years of age in good health and not aware of any diagnosis of an autoimmune condition.

Exclusion Criteria:

  • 01. Patients currently taking statins or other lipid lowering therapies.
  • 02. Under any administrative or legal supervision.
  • 03. Conditions/situations such as:
  • Patients with conditions/concomitant diseases making them non evaluable for the primary endpoint
  • Impossibility to meet specific protocol requirements (e.g. blood sampling)
  • Patient is the Investigator or any sub investigator, research assistant, pharmacist, study coordinator, other staff or relative thereof directly involved in the conduct of the protocol
  • Uncooperative or any condition that could make the patient potentially non-compliant to the study procedures
  • Pregnant or breast-feeding women, currently or in the last three months prior to inclusion
  • Patients who have been vaccinated in the last three months prior to inclusion

Healthy donors ONLY: will be excluded from the study if:

  • Donors with a condition likely to influence your blood results such as a current infection or cancer
  • Donors who are pregnant or breast-feeding currently or in the last three months
  • Donors who have been vaccinated within the last three months
  • Donors who cannot provide a blood sample
  • Donors who are unable to give informed consent

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

Cohortes et interventions

Groupe / Cohorte
Intervention / Traitement
DMD treatment naive CIS or RRMS patients
Newly presenting Clinically Isolated Syndrome (CIS) or Relapsing and Remitting Multiple Sclerosis (RRMS) patients not treated before with Disease Modifying Drugs (DMD) Additional analysis of CSF and CSF cells will be performed in this cohort on a voluntary basis.
Blood sampling +/- CSF sampling
Autres noms:
  • CSF sampling
Secondary Progressive Multiple Sclerosis (SPMS)
People with confirmed diagnosis of SPMS
Blood sampling +/- CSF sampling
Autres noms:
  • CSF sampling
Primary Progressive Multiple Sclerosis (PPMS)
People with confirmed diagnosis of PPMS
Blood sampling +/- CSF sampling
Autres noms:
  • CSF sampling
DMD-treated with stable disease
People with Multiple Sclerosis (MS) who are treated with DMD who have had stable disease symptoms for at least 3 months
Blood sampling +/- CSF sampling
Autres noms:
  • CSF sampling
Disease controls
People who undergo lumbar puncture due to clinical suspicion of neurological condition, but brain Magnetic Resonance Imaging (MRI) and CSF examination exclude MS diagnosis.
Blood sampling +/- CSF sampling
Autres noms:
  • CSF sampling
Healthy donors
Age, sex and ethnicity matched healthy donors will also be recruited from university and hospital staff and patient friends after informed consent has been obtained. Healthy donors will be asked to provide a blood sample and demographic information but will NOT be asked to provide CSF samples.
Blood sampling +/- CSF sampling
Autres noms:
  • CSF sampling

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Lipid Phenotyping (1)
Délai: 4 hours from point of sample collection
Blood samples collected from consented participants containing the peripheral blood mononuclear cells (PBMC), serum, Deoxyribonucleic Acid (DNA) and CSF/CSF cells will be appropriately sent to Dr Elizabeth Jury, Centre for Rheumatology Research, University College London (UCL), Rayne Building for lipid phenotyping of PBMC using flow cytometry
4 hours from point of sample collection
Lipid Phenotyping (2)
Délai: 4 hours from point of sample collection
Blood samples collected from consented participants containing the peripheral blood mononuclear cells (PBMC), serum, Deoxyribonucleic Acid (DNA) and CSF/CSF cells will be appropriately sent to Dr Elizabeth Jury, Centre for Rheumatology Research, University College London, Rayne Building for lipid phenotyping of PBMC using measurement of quantitative polymerase chain reaction (qPCR)
4 hours from point of sample collection
Analysis of immune cell function
Délai: 4 hours from point of sample collection
Blood samples collected from consented participants containing the peripheral blood mononuclear cells (PBMC), serum, Deoxyribonucleic Acid (DNA) and CSF/CSF cells will be appropriately sent to Dr Elizabeth Jury, Centre for Rheumatology Research, University College London, Rayne Building for analysis of immune cell function using flow cytometry.
4 hours from point of sample collection
Analysis of cytokine
Délai: 4 hours from point of sample collection
Blood samples collected from consented participants containing the peripheral blood mononuclear cells (PBMC), serum, Deoxyribonucleic Acid (DNA) and CSF/CSF cells will be appropriately sent to Dr Elizabeth Jury, Centre for Rheumatology Research, University College London, Rayne Building for analysis of cytokine using flow cytometry.
4 hours from point of sample collection
Analysis of immune cell function (1)
Délai: 4 hours from point of sample collection
Blood samples collected from consented participants containing the peripheral blood mononuclear cells (PBMC), serum, Deoxyribonucleic Acid (DNA) and CSF/CSF cells will be appropriately sent to Dr Elizabeth Jury, Centre for Rheumatology Research, University College London, Rayne Building for analysis of immune cell function through cell culture.
4 hours from point of sample collection
Analysis of immune cell function (2)
Délai: 4 hours from point of sample collection
Blood samples collected from consented participants containing the peripheral blood mononuclear cells (PBMC), serum, Deoxyribonucleic Acid (DNA) and CSF/CSF cells will be appropriately sent to Dr Elizabeth Jury, Centre for Rheumatology Research, University College London, Rayne Building for analysis of immune cell function through flow cytometry.
4 hours from point of sample collection
Analysis of serum
Délai: 4 hours from point of sample collection
Blood samples collected from consented participants containing serum will be appropriately sent to Dr Elizabeth Jury, Centre for Rheumatology Research, University College London, Rayne Building for measurement of chemokine, lipid expression and expression of other molecules important for immune cell activation.
4 hours from point of sample collection

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Les enquêteurs

  • Chercheur principal: Rachel Farrell, Dr, UCL & University College London Hospitals NHS Foundation Trust

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Réel)

1 septembre 2018

Achèvement primaire (Anticipé)

1 juin 2020

Achèvement de l'étude (Anticipé)

1 juin 2020

Dates d'inscription aux études

Première soumission

5 août 2019

Première soumission répondant aux critères de contrôle qualité

9 août 2019

Première publication (Réel)

12 août 2019

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

24 avril 2020

Dernière mise à jour soumise répondant aux critères de contrôle qualité

22 avril 2020

Dernière vérification

1 août 2019

Plus d'information

Termes liés à cette étude

Plan pour les données individuelles des participants (IPD)

Prévoyez-vous de partager les données individuelles des participants (DPI) ?

INDÉCIS

Description du régime IPD

All participants indicate by written consent if they are willing to allow any of their un-used samples and associated data to be used for future research MS related research.

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

S'abonner