{"id":224302,"date":"2021-11-26T22:49:02","date_gmt":"2021-11-26T21:49:02","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=224302"},"modified":"2021-11-26T22:49:02","modified_gmt":"2021-11-26T21:49:02","slug":"grande-premiere-pour-un-vaccin-nasal-contre-la-maladie-dalzheimer","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/grande-premiere-pour-un-vaccin-nasal-contre-la-maladie-dalzheimer\/","title":{"rendered":"Grande premi\u00e8re pour un vaccin nasal contre la maladie d\u2019Alzheimer"},"content":{"rendered":"<div>C\u2019est une lueur d\u2019espoir pour les patients touch\u00e9s par la maladie d\u2019Alzheimer. Apr\u00e8s 20 ans de recherches, les scientifiques du Brigham and Women&rsquo;s Hospital, aux \u00c9tats-Unis, lance le tout premier essai clinique humain afin de d\u00e9terminer l\u2019efficacit\u00e9 et l\u2019innocuit\u00e9 d\u2019un vaccin contre Alzheimer administr\u00e9 par voie nasale.<\/div>\n<div>Contrairement \u00e0 l\u2019approche traditionnelle qui consiste \u00e0 introduire des anticorps par voie intraveineuse, le vaccin d\u00e9velopp\u00e9 cherche \u00e0 stimuler le syst\u00e8me immunitaire par le biais d\u2019un m\u00e9dicament appel\u00e9 Protollin. Celui-ci migre des voies nasales jusqu\u2019au cerveau et cible les plaques amylo\u00efdes, compos\u00e9es principalement de prot\u00e9ine b\u00eata-amylo\u00efde. Ces agr\u00e9gats qui se forment autour des neurones emp\u00eachent, entre autres, les neurotransmetteurs de bien fonctionner et causent la d\u00e9g\u00e9n\u00e9rescence.<\/div>\n<div><\/div>\n<div><strong>*Un petit essai, de grands espoirs<\/strong><\/div>\n<div>L&rsquo;essai de phase 1 inclura 16 patients \u00e2g\u00e9s de 60 \u00e0 85 ans pr\u00e9sentant des sympt\u00f4mes de la maladie d&rsquo;Alzheimer \u00e0 un stade pr\u00e9coce et en bonne sant\u00e9. Ils recevront deux doses du vaccin \u00e0 une semaine d&rsquo;intervalle par voie nasale. Si l\u2019essai s\u2019av\u00e8re concluant, il pourra \u00eatre men\u00e9 \u00e0 plus grande \u00e9chelle.<\/div>\n<div>\u00ab\u00a0Si les essais cliniques montrent que le vaccin est s\u00fbr et efficace, cela pourrait repr\u00e9senter un traitement pour les personnes atteintes, et il pourrait \u00e9galement \u00eatre administr\u00e9 t\u00f4t pour aider \u00e0 pr\u00e9venir la maladie d&rsquo;Alzheimer chez les personnes consid\u00e9r\u00e9es \u00e0 risque\u00a0\u00bb, pr\u00e9cise le Pr Howard L. Weiner. Plus la maladie est prise en charge t\u00f4t, plus sa progression peut \u00eatre retard\u00e9e.<\/div>\n<div>En France, la maladie d\u2019Alzheimer est la plus fr\u00e9quente des maladies neurod\u00e9g\u00e9n\u00e9ratives. Pr\u00e8s de 900 000 personnes sont directement concern\u00e9es, et chaque ann\u00e9e 225 000 nouveaux cas sont recens\u00e9s.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u2019est une lueur d\u2019espoir pour les patients touch\u00e9s par la maladie d\u2019Alzheimer. Apr\u00e8s 20 ans de recherches, les scientifiques du Brigham and Women&rsquo;s Hospital, aux \u00c9tats-Unis, lance le tout premier&hellip;<\/p>\n","protected":false},"author":60,"featured_media":224303,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-224302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monde"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Grande premi\u00e8re pour un vaccin nasal contre la maladie d\u2019Alzheimer - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"C\u2019est une lueur d\u2019espoir pour les patients touch\u00e9s par la maladie d\u2019Alzheimer. 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