Efficacy of Vaccination Against COVID-19 in Patients Presenting a Neuromuscular Disease With Severe Amyotrophy
NCT05353738 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 36
Last updated 2023-10-06
Summary
Des vaccins sont désormais disponibles en France, dont le vaccin Moderna COVID-19 qui est basé sur la technologie des ARNm. La séquence génétique qu'il contient code pour la protéine Spike (S) de l'enveloppe virale, protéine clé de la pénétration du virus dans les cellules qu'il infecte. Le vaccin ARNm est injecté par voie intramusculaire et pénètre dans les fibres musculaires, qui sont des cellules produisant des protéines en très grande quantité en continu, notamment pour la production de myofibrilles impliquées dans la contraction musculaire. Une fois à l'intérieur de la fibre musculaire, l'ARNm vaccinal est traduit par la machinerie de la fibre musculaire permettant une grande quantité de protéine Spike (S) qui sera présentée au système immunitaire provoquant la réponse vaccinale et notamment les anticorps neutralisants anti-S (NAb). Ces NAb anti-S agissent en perturbant l'interaction entre la protéine S du virus et le récepteur ACE2 (Angiotensin-Converting Enzyme 2), qui sert généralement de " passerelle " entre le virus et la cellule. Une campagne de vaccination est actuellement en cours au MAS-YDK avec le vaccin Moderna. Cette population est donc relativement homogène en termes d'amyotrophie, de non exposition au SARS-CoV-2 et de protocole vaccinal.
Conditions
- Neuromuscular Diseases
- COVID-19
- Amyotrophy
Interventions
- BIOLOGICAL
-
Blood sample for research of anti-xoprs netralizing anti spike
The evaluation of the ex vivo efficacy of the Moderna vaccine by the search for anti Spike AcN at 6,24, 40 and 52 or 64 weeks after the second injection of the vaccine. The effectiveness of vaccination of CANNEMUSS patients will be evaluated by comparing the antibodies anti-S neutralizers from patients in the CANNEMUSS study to those from patients whose sample was carried out before the pandemic (negative control group) and those of patients infected with the omicron virus (positive control group).
- OTHER
-
Questionnaire
Evaluation of vaccine efficacy in real life by filling out questionnaires
Sponsors & Collaborators
-
University Hospital, Bordeaux
lead OTHER
Principal Investigators
-
Guilhem SOLE, Dr · Université Hospital, Bordeaux
Eligibility
- Min Age
- 18 Years
- Sex
- ALL
- Healthy Volunteers
- No
Timeline & Regulatory
- Start
- 2021-09-01
- Primary Completion
- 2022-09-01
- Completion
- 2022-09-01
Countries
- France
Study Locations
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