{"id":18848,"date":"2024-06-24T08:22:36","date_gmt":"2024-06-24T07:22:36","guid":{"rendered":"https:\/\/actubusinessangels.com\/?p=18848"},"modified":"2024-06-24T08:22:36","modified_gmt":"2024-06-24T07:22:36","slug":"cellprothera-une-belle-avancee","status":"publish","type":"post","link":"https:\/\/www.franceangels.org\/en\/article\/cellprothera-une-belle-avancee\/","title":{"rendered":"CellProthera, une belle avanc\u00e9e"},"content":{"rendered":"\n<p class=\"has-text-align-justify\">Une bonne nouvelle sur une des plus ancienne start-up en portefeuille d&#8217;<strong><a href=\"https:\/\/www.alsacebusinessangels.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Alsace Business Angels<\/a><\/strong>, concernant les r\u00e9sultats des derniers tests cliniques (Phase\u00a0I\/IIb) de <strong><a href=\"https:\/\/www.cellprothera.com\/en\/home\/\" target=\"_blank\" rel=\"noreferrer noopener\">CellProthera<\/a><\/strong>.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p class=\"has-text-align-justify\">CellProthera, soci\u00e9t\u00e9 de th\u00e9rapie cellulaire r\u00e9g\u00e9n\u00e9rative d\u00e9veloppe des traitements r\u00e9volutionnaires pour les maladies isch\u00e9miques, a annonc\u00e9 les r\u00e9sultats positifs d\u2019une \u00e9tude de phase I\/IIb de son principal ProtheraCytes chez des patients apr\u00e8s une crise cardiaque s\u00e9v\u00e8re, positionnant la th\u00e9rapie par cellules souches comme une option prometteuse pour r\u00e9parer et r\u00e9g\u00e9n\u00e9rer le tissu cardiaque. Les donn\u00e9es ont \u00e9t\u00e9 pr\u00e9sent\u00e9es en mai dernier par Faiez Zannad, MD, PhD, Pr\u00e9sident du comit\u00e9 de pilotage de l\u2019\u00e9tude et professeur \u00e9m\u00e9rite de th\u00e9rapeutique \u00e0 l\u2019Universit\u00e9 de Lorraine.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">M\u00eame avec un traitement m\u00e9dical optimal selon les lignes directrices, la mortalit\u00e9 due \u00e0 l\u2019insuffisance cardiaque isch\u00e9mique et \u00e0 d\u2019autres causes au cours des 12 premiers mois suivant l\u2019IAM se situe entre 5 et 10 %. Les proth\u00e9racytes peuvent favoriser la revascularisation, r\u00e9guler l\u2019inflammation, l\u2019apoptose et la r\u00e9g\u00e9n\u00e9ration des cardiomyocytes, et devraient induire le processus de r\u00e9paration du tissu myocardique endommag\u00e9.<\/p>\n\n\n\n<p class=\"has-text-align-justify\"><em>\u00ab Nous sommes enthousiasm\u00e9s par les r\u00e9sultats prometteurs de l\u2019\u00e9tude, qui confirment le m\u00e9canisme d\u2019action de ProtheraCytes et le potentiel de notre th\u00e9rapie \u00e0 fournir une solution ponctuelle efficace pour pr\u00e9venir la progression de l\u2019insuffisance cardiaque chez les patients atteints d\u2019IAM \u00bb<\/em>, a d\u00e9clar\u00e9 Matthieu de Kalbermatten, PDG de CellProthera. <em>\u00ab Nous remercions le professeur Zannad, le comit\u00e9 directeur et tous les chercheurs pour leur grand soutien pendant l\u2019\u00e9tude. \u00bb<\/em><\/p>\n\n\n\n<p class=\"has-text-align-justify\"><em>\u00ab L\u2019\u00e9tude EXCELLENT confirme le potentiel de la th\u00e9rapie cardiaque r\u00e9g\u00e9n\u00e9rative \u00bb, <\/em>a d\u00e9clar\u00e9 le professeur Zannad. Ces donn\u00e9es sugg\u00e8rent que les patients \u00e0 haut risque apr\u00e8s une crise cardiaque peuvent b\u00e9n\u00e9ficier d\u2019un traitement avec ProtheraCytes, pour aider \u00e0 r\u00e9g\u00e9n\u00e9rer les l\u00e9sions myocardiques post-isch\u00e9miques et pr\u00e9venir la progression vers d\u2019autres maladies cardiovasculaires. Il devrait \u00eatre \u00e9valu\u00e9 plus en d\u00e9tails dans un essai de phase 3 plus important.<\/p>\n\n\n\n<p class=\"has-text-align-justify\"><strong>L\u2019essai<\/strong>&nbsp;EXCELLENT a inclus 49 patients dans 13 sites au Royaume-Uni et en France, randomis\u00e9s pour recevoir soit des soins standard seuls, soit en association avec ProtheraCytes. Tous les patients pr\u00e9sentaient des taux \u00e9lev\u00e9s de troponine et un dysfonctionnement ventriculaire gauche (VG) persistant une semaine apr\u00e8s l\u2019IAM, caract\u00e9ris\u00e9 par une fraction d\u2019\u00e9jection du VG inf\u00e9rieure \u00e0 50 % et des segments cardiaques akin\u00e9tiques non contract\u00e9s, qui ont \u00e9t\u00e9 mesur\u00e9s \u00e0 l\u2019aide de l\u2019imagerie par r\u00e9sonance magn\u00e9tique cardiaque (IRMc).<\/p>\n\n\n\n<p class=\"has-text-align-justify\">Aucune diff\u00e9rence significative dans les valeurs initiales n\u2019a \u00e9t\u00e9 observ\u00e9e entre les patients des deux groupes de traitement et plus de 90 % des patients pr\u00e9sentant des obstructions microvasculaires (OVM), un pr\u00e9dicteur \u00e0 long terme de mauvais r\u00e9sultats.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">La proc\u00e9dure d\u2019injection transendocardique a \u00e9t\u00e9 consid\u00e9r\u00e9e comme r\u00e9alisable et s\u00fbre ; Les \u00e9v\u00e9nements p\u00e9riproc\u00e9duraux ont \u00e9t\u00e9 trait\u00e9s avec des soins appropri\u00e9s. De plus, les changements favorables dans les crit\u00e8res d\u2019\u00e9valuation secondaires de la lecture centrale en aveugle pour le groupe ProtheraCytes comprenaient :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>une am\u00e9lioration significative de la viabilit\u00e9 des segments de base \u00e0 6 mois<\/li>\n\n\n\n<li>une tendance positive constante d\u2019am\u00e9lioration des volumes LV \u00e0 6 mois<\/li>\n\n\n\n<li>une diminution plus rapide des niveaux de NT-proBNP<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-justify\">Le professeur Zannad a pr\u00e9sent\u00e9 les nouvelles donn\u00e9es \u00e0 Heart Failure 2024 \u00e0 Lisbonne, organis\u00e9 par l\u2019Association de l\u2019insuffisance cardiaque de la Soci\u00e9t\u00e9 europ\u00e9enne de cardiologie (ESC). <em>(cf photo)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une bonne nouvelle sur une des plus ancienne start-up en portefeuille d&#8217;Alsace Business Angels, concernant les r\u00e9sultats des derniers tests cliniques (Phase\u00a0I\/IIb) de CellProthera.<\/p>\n","protected":false},"author":114,"featured_media":18854,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[158,87],"tags":[214,63,1263,133,1112,93],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.7.2 - 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