{"id":2478,"date":"2025-11-11T15:03:30","date_gmt":"2025-11-11T15:03:30","guid":{"rendered":"https:\/\/infos-media-nantes.fr\/?p=2478"},"modified":"2025-11-11T15:03:31","modified_gmt":"2025-11-11T15:03:31","slug":"atonco-cancer-vessie-nantes-essai-clinique","status":"publish","type":"post","link":"https:\/\/infos-media-nantes.fr\/atonco-cancer-vessie-nantes-essai-clinique\/","title":{"rendered":"Atonco : la start-up nantaise qui veut r\u00e9volutionner le traitement du cancer de la vessie"},"content":{"rendered":"\n<article>\n  <header>\n    <p>\u00c0 Nantes, la start-up <strong>Atonco<\/strong> pr\u00e9pare un essai clinique in\u00e9dit dont l\u2019objectif est de r\u00e9duire les r\u00e9cidives du cancer de la vessie. Cette approche, administr\u00e9e localement apr\u00e8s l\u2019acte initial, vise \u00e0 \u00e9liminer au plus pr\u00e8s les cellules r\u00e9siduelles responsables des rechutes.<\/p>\n  <\/header>\n\n  <section>\n    <h2>Un cancer fr\u00e9quent, des rechutes \u00e9lev\u00e9es<\/h2>\n    <p>En France, le <strong>cancer de la vessie<\/strong> touche pr\u00e8s de <strong>13 000 personnes<\/strong> chaque ann\u00e9e et cause environ <strong>5 000 d\u00e9c\u00e8s<\/strong>, majoritairement chez l\u2019homme apr\u00e8s 60 ans. Lorsqu\u2019il est d\u00e9tect\u00e9 pr\u00e9cocement et reste non invasif, le <strong>taux de survie \u00e0 cinq ans<\/strong> atteint <strong>80 % \u00e0 90 %<\/strong>. Le principal d\u00e9fi demeure la pr\u00e9vention des r\u00e9cidives&nbsp;: <strong>50 % \u00e0 70 %<\/strong> des patients connaissent une rechute apr\u00e8s le premier traitement.<\/p>\n    <p>Les l\u00e9sions, souvent d\u00e9crites en \u00ab&nbsp;chou-fleur&nbsp;\u00bb, se d\u00e9veloppent dans la muqueuse v\u00e9sicale. L\u2019enjeu est d\u2019emp\u00eacher leur progression vers le muscle de la vessie, \u00e9tape \u00e0 partir de laquelle le pronostic se d\u00e9grade et les traitements se complexifient.<\/p>\n  <\/section>\n\n  <section>\n    <h2>Un essai cibl\u00e9 pour changer la donne<\/h2>\n    <p><strong>Atonco<\/strong> pr\u00e9pare un <strong>essai clinique<\/strong> de pr\u00e9cision, administr\u00e9 directement dans la vessie, pour d\u00e9truire les cellules tumorales r\u00e9siduelles et <strong>r\u00e9duire le risque de rechute<\/strong>. Suivi par des \u00e9quipes hospitalo-universitaires, ce protocole pourrait constituer une premi\u00e8re en mati\u00e8re de prise en charge des cancers uroth\u00e9liaux non invasifs.<\/p>\n    <p>Au-del\u00e0 des r\u00e9sultats attendus, le projet illustre la vitalit\u00e9 de l\u2019\u00e9cosyst\u00e8me sant\u00e9 de la m\u00e9tropole nantaise, o\u00f9 coop\u00e8rent start-ups, CHU et laboratoires pour acc\u00e9l\u00e9rer le passage de la recherche au soin.<\/p>\n  <\/section>\n\n  <section>\n    <h2>Lire aussi<\/h2>\n    <p>\ud83d\udc49 <a href=\"https:\/\/infos-media-nantes.fr\/barometre-velo-2025-nantes-metropole-points-noirs\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#5532F0;font-weight:bold;text-decoration:underline;\">Barom\u00e8tre v\u00e9lo 2025&nbsp;: Nantes M\u00e9tropole identifie les points noirs<\/a><\/p>\n  <\/section>\n\n  <!-- WIDGET OFFICIEL IMN \u2014 MEMORY (version fiabilis\u00e9e, th\u00e9matis\u00e9e sant\u00e9) -->\n  <section class=\"imn-memjpn\" aria-label=\"Jeu de m\u00e9moire IMN \u2014 Sant\u00e9\">\n    <h2>Jeu \u2014 M\u00e9moire : vocabulaire sant\u00e9 (cancer de la vessie)<\/h2>\n    <div class=\"imn-memjpn-panel\">\n      <div>Coups&nbsp;: <span id=\"imn-memjpn-moves\">0<\/span><\/div>\n      <div>Paires&nbsp;: <span id=\"imn-memjpn-matches\">0<\/span>\/8<\/div>\n      <div>Meilleur (session)&nbsp;: <span id=\"imn-memjpn-best\">\u2014<\/span><\/div>\n    <\/div>\n    <div class=\"imn-memjpn-grid\" role=\"grid\" aria-label=\"Grille memory sant\u00e9\"><\/div>\n    <div class=\"imn-memjpn-status\" id=\"imn-memjpn-status\" aria-live=\"polite\"><\/div>\n    <button class=\"imn-btn\" id=\"imn-memjpn-restart\" aria-label=\"Rejouer\">Rejouer<\/button>\n  <\/section>\n\n  <style>\n    \/* Liens IMN *\/\n    article a { color:#5532F0; 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Les informations de sant\u00e9 sont g\u00e9n\u00e9rales et ne remplacent pas un avis m\u00e9dical.<\/small><\/p>\n  <\/footer>\n<\/article>\n\n","protected":false},"excerpt":{"rendered":"<p>\u00c0 Nantes, la start-up Atonco pr\u00e9pare un essai clinique in\u00e9dit dont l\u2019objectif est de r\u00e9duire les r\u00e9cidives du cancer de la vessie. Cette approche, administr\u00e9e localement apr\u00e8s l\u2019acte initial, vise \u00e0 \u00e9liminer au plus pr\u00e8s les cellules r\u00e9siduelles responsables des rechutes. Un cancer fr\u00e9quent, des rechutes \u00e9lev\u00e9es En France, le cancer de la vessie touche [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2479,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":"","event_start_date":"","event_end_date":"","event_location":"","imn_event_city":"","imn_event_start_time":"","imn_event_end_time":"","imn_event_all_day":"","imn_event_address":"","imn_event_ticket_url":"","imn_event_price":"","imn_event_status":"","imn_event_organizer":"","imn_event_accessibility":""},"categories":[29],"tags":[1741,1742,1418,1743,1744,5,360,525],"class_list":["post-2478","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-entreprises-locales-nantes","tag-atonco","tag-biotechnologie","tag-cancer","tag-essai-clinique","tag-innovation-medicale","tag-nantes","tag-recherche","tag-sante"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Atonco : la start-up nantaise qui veut r\u00e9volutionner le traitement du cancer de la vessie - Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours<\/title>\n<meta name=\"description\" content=\"La start-up nantaise Atonco pr\u00e9pare un essai clinique innovant pour pr\u00e9venir les r\u00e9cidives du cancer de la vessie et r\u00e9volutionner les traitements\u2026\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/infos-media-nantes.fr\/atonco-cancer-vessie-nantes-essai-clinique\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atonco : la start-up nantaise qui veut r\u00e9volutionner le traitement du cancer de la vessie - Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours\" \/>\n<meta property=\"og:description\" content=\"La start-up nantaise Atonco pr\u00e9pare un essai clinique innovant pour pr\u00e9venir les r\u00e9cidives du cancer de la vessie et r\u00e9volutionner les traitements\u2026\" \/>\n<meta property=\"og:url\" content=\"https:\/\/infos-media-nantes.fr\/atonco-cancer-vessie-nantes-essai-clinique\/\" \/>\n<meta property=\"og:site_name\" content=\"Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-11T15:03:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-11T15:03:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/infos-media-nantes.fr\/wp-content\/uploads\/2025\/11\/Capture-decran-2025-11-11-a-15.57.31.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1771\" \/>\n\t<meta property=\"og:image:height\" content=\"1328\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Infos M\u00e9dia\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Infos M\u00e9dia\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/atonco-cancer-vessie-nantes-essai-clinique\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/atonco-cancer-vessie-nantes-essai-clinique\\\/\"},\"author\":{\"name\":\"Infos M\u00e9dia\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#\\\/schema\\\/person\\\/6b4b88f01bee64ad4af07052d36104ca\"},\"headline\":\"Atonco : la start-up nantaise qui veut r\u00e9volutionner le traitement du cancer de la vessie\",\"datePublished\":\"2025-11-11T15:03:30+00:00\",\"dateModified\":\"2025-11-11T15:03:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/atonco-cancer-vessie-nantes-essai-clinique\\\/\"},\"wordCount\":340,\"publisher\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/atonco-cancer-vessie-nantes-essai-clinique\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/infos-media-nantes.fr\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Capture-decran-2025-11-11-a-15.57.31.png\",\"keywords\":[\"Atonco\",\"biotechnologie\",\"cancer\",\"essai clinique\",\"innovation m\u00e9dicale\",\"Nantes\",\"recherche\",\"sant\u00e9\"],\"articleSection\":[\"Entreprises locales\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/infos-media-nantes.fr\\\/atonco-cancer-vessie-nantes-essai-clinique\\\/\",\"url\":\"https:\\\/\\\/infos-media-nantes.fr\\\/atonco-cancer-vessie-nantes-essai-clinique\\\/\",\"name\":\"Atonco : la start-up nantaise qui veut r\u00e9volutionner le traitement du cancer de la vessie - 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