{"id":4352,"date":"2026-06-04T14:33:59","date_gmt":"2026-06-04T18:33:59","guid":{"rendered":"https:\/\/www.accessforkidscancer.ca\/?post_type=theme-project&#038;p=4352"},"modified":"2026-06-04T14:36:13","modified_gmt":"2026-06-04T18:36:13","slug":"etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt","status":"publish","type":"theme-project","link":"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/","title":{"rendered":"\u00c9tude pilote de faisabilit\u00e9 sur la r\u00e9duction des marges PVT"},"content":{"rendered":"<p>La radioth\u00e9rapie par protons et par photons est une modalit\u00e9 distincte couramment utilis\u00e9e pour traiter le cancer chez les enfants. Toutefois, les donn\u00e9es cliniques publi\u00e9es comparant leur efficacit\u00e9 et leurs effets tardifs demeurent limit\u00e9es. Le Registre du consortium proton\/photon (PPCR) est une initiative internationale collaborative con\u00e7ue pour combler ce manque de donn\u00e9es probantes en normalisant la collecte de donn\u00e9es au sein de 24\u00a0centres p\u00e9diatriques nord-am\u00e9ricains.<\/p>\n<p>Gr\u00e2ce \u00e0 un financement d\u2019ACCESS, des h\u00f4pitaux canadiens pour enfants ont rejoint le PPCR en tant que sites de recrutement internationaux. Outre les donn\u00e9es op\u00e9rationnelles de routine, le PPCR recueille un ensemble \u00e9largi de variables d\u00e9mographiques et cliniques. Puisqu\u2019il n\u2019existe actuellement aucun centre de protonth\u00e9rapie au Canada, les sites canadiens fournissent des donn\u00e9es pour un groupe t\u00e9moin trait\u00e9 par photons, ce qui permet d\u2019effectuer des analyses comparatives d\u2019efficacit\u00e9 et favorise une meilleure \u00e9valuation des pratiques cliniques et des r\u00e9sultats selon les modalit\u00e9s de radioth\u00e9rapie. Une \u00e9tude r\u00e9cente financ\u00e9e par ACCESS et men\u00e9e par Yina et coll. s\u2019est appuy\u00e9e sur ces donn\u00e9es pour pr\u00e9senter les r\u00e9sultats obtenus chez des patients ayant voyag\u00e9 du Canada vers d\u2019importants centres de protonth\u00e9rapie aux \u00c9tats-Unis. Parmi les 219\u00a0enfants canadiens ayant sollicit\u00e9 une protonth\u00e9rapie aux \u00c9tats-Unis entre 2012 et 2025, les auteurs ont d\u00e9termin\u00e9 l\u2019absence de maladie m\u00e9tastatique et un diagnostic touchant le syst\u00e8me nerveux central comme des facteurs pr\u00e9dictifs significatifs d\u2019une meilleure survie globale. Il s\u2019agit de r\u00e9sultats qui aident les oncologues canadiens \u00e0 s\u00e9lectionner avec plus de pr\u00e9cision les patients les plus susceptibles de b\u00e9n\u00e9ficier de la protonth\u00e9rapie.<\/p>\n<p>L\u2019objectif principal de ce projet est d\u2019\u00e9tendre le PPCR \u00e0 l\u2019ensemble du Canada en ouvrant le registre dans plusieurs grands centres m\u00e9dicaux. L\u2019\u00e9tude a d\u00e9j\u00e0 \u00e9t\u00e9 lanc\u00e9e avec succ\u00e8s \u00e0 Vancouver et \u00e0 Toronto\u00a0: \u00e0 ce jour, Vancouver a recrut\u00e9 35\u00a0patients, tandis que Toronto en a recrut\u00e9 plus de 180. Il convient de noter que Toronto est devenu le premier site en dehors des \u00c9tats-Unis \u00e0 ouvrir ce registre international. Des efforts sont en cours pour ouvrir des sites suppl\u00e9mentaires \u00e0 Calgary, Edmonton et Montr\u00e9al.<\/p>\n<p>En tant que registre multicentrique, prospectif et longitudinal g\u00e9r\u00e9 par le centre de canc\u00e9rologie du Massachusetts General Hospital, le PPCR offre une plateforme rigoureuse pour le suivi syst\u00e9matique des toxicit\u00e9s aigu\u00ebs, des donn\u00e9es de radioth\u00e9rapie et des effets tardifs. En associant des annotations cliniques \u00e0 une archive centralis\u00e9e de donn\u00e9es de plans de traitement anonymis\u00e9es, il favorise la r\u00e9alisation d\u2019analyses dosim\u00e9triques r\u00e9trospectives approfondies ainsi que la recherche ax\u00e9e sur les r\u00e9sultats cliniques. Gr\u00e2ce au soutien continu d\u2019ACCESS, l\u2019expansion de ce r\u00e9f\u00e9rentiel \u00e0 l\u2019\u00e9chelle du Canada permettra d\u2019\u00e9tablir les fondements ax\u00e9s sur les donn\u00e9es n\u00e9cessaires pour \u00e9valuer les orientations vers l\u2019\u00e9tranger, acc\u00e9l\u00e9rer la recherche en radio-oncologie p\u00e9diatrique et justifier l\u2019attribution de ressources et de financements pour de futurs centres canadiens de protonth\u00e9rapie.<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"tags":[],"project-category":[178],"class_list":["post-4352","theme-project","type-theme-project","status-publish","hentry","project-category-aspects-psychosociaux-et-survie"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c9tude pilote de faisabilit\u00e9 sur la r\u00e9duction des marges PVT - Access<\/title>\n<meta name=\"description\" content=\"ACCESS is organized into seven research themes from understanding cancer development to its diagnosis, treatment, and survivorship and two cross-cutting groups to support all thematic areas.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c9tude pilote de faisabilit\u00e9 sur la r\u00e9duction des marges PVT - Access\" \/>\n<meta property=\"og:description\" content=\"ACCESS is organized into seven research themes from understanding cancer development to its diagnosis, treatment, and survivorship and two cross-cutting groups to support all thematic areas.\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/\" \/>\n<meta property=\"og:site_name\" content=\"Access\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-04T18:36:13+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.accessforkidscancer.ca\/wp-content\/uploads\/2024\/08\/access-site-image.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@acces_access\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/\",\"url\":\"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/\",\"name\":\"\u00c9tude pilote de faisabilit\u00e9 sur la r\u00e9duction des marges PVT - Access\",\"isPartOf\":{\"@id\":\"https:\/\/www.accessforkidscancer.ca\/fr\/#website\"},\"datePublished\":\"2026-06-04T18:33:59+00:00\",\"dateModified\":\"2026-06-04T18:36:13+00:00\",\"description\":\"ACCESS is organized into seven research themes from understanding cancer development to its diagnosis, treatment, and survivorship and two cross-cutting groups to support all thematic areas.\",\"breadcrumb\":{\"@id\":\"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\/\/www.accessforkidscancer.ca\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u00c9tude pilote de faisabilit\u00e9 sur la r\u00e9duction des marges PVT\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.accessforkidscancer.ca\/fr\/#website\",\"url\":\"https:\/\/www.accessforkidscancer.ca\/fr\/\",\"name\":\"ACCESS\",\"description\":\"Advancing Childhood Cancer Experience, Science &amp; Survivorship\",\"publisher\":{\"@id\":\"https:\/\/www.accessforkidscancer.ca\/fr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.accessforkidscancer.ca\/fr\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.accessforkidscancer.ca\/fr\/#organization\",\"name\":\"ACCESS\",\"url\":\"https:\/\/www.accessforkidscancer.ca\/fr\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.accessforkidscancer.ca\/fr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.accessforkidscancer.ca\/wp-content\/uploads\/2024\/08\/access-organization-logo.png\",\"contentUrl\":\"https:\/\/www.accessforkidscancer.ca\/wp-content\/uploads\/2024\/08\/access-organization-logo.png\",\"width\":696,\"height\":696,\"caption\":\"ACCESS\"},\"image\":{\"@id\":\"https:\/\/www.accessforkidscancer.ca\/fr\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/x.com\/acces_access\",\"https:\/\/www.instagram.com\/access_acces\/\",\"https:\/\/www.linkedin.com\/company\/access-acces\/\",\"https:\/\/www.youtube.com\/channel\/UC0SYgen8vfGlXtikQ8xtQ6A\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u00c9tude pilote de faisabilit\u00e9 sur la r\u00e9duction des marges PVT - Access","description":"ACCESS is organized into seven research themes from understanding cancer development to its diagnosis, treatment, and survivorship and two cross-cutting groups to support all thematic areas.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/","og_locale":"fr_FR","og_type":"article","og_title":"\u00c9tude pilote de faisabilit\u00e9 sur la r\u00e9duction des marges PVT - Access","og_description":"ACCESS is organized into seven research themes from understanding cancer development to its diagnosis, treatment, and survivorship and two cross-cutting groups to support all thematic areas.","og_url":"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/","og_site_name":"Access","article_modified_time":"2026-06-04T18:36:13+00:00","og_image":[{"width":1200,"height":675,"url":"http:\/\/www.accessforkidscancer.ca\/wp-content\/uploads\/2024\/08\/access-site-image.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@acces_access","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/","url":"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/","name":"\u00c9tude pilote de faisabilit\u00e9 sur la r\u00e9duction des marges PVT - Access","isPartOf":{"@id":"https:\/\/www.accessforkidscancer.ca\/fr\/#website"},"datePublished":"2026-06-04T18:33:59+00:00","dateModified":"2026-06-04T18:36:13+00:00","description":"ACCESS is organized into seven research themes from understanding cancer development to its diagnosis, treatment, and survivorship and two cross-cutting groups to support all thematic areas.","breadcrumb":{"@id":"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/"]}]},{"@type":"BreadcrumbList","@id":"http:\/\/www.accessforkidscancer.ca\/fr\/projects\/etude-pilote-de-faisabilite-sur-la-reduction-des-marges-pvt\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"http:\/\/www.accessforkidscancer.ca\/fr\/"},{"@type":"ListItem","position":2,"name":"\u00c9tude pilote de faisabilit\u00e9 sur la r\u00e9duction des marges PVT"}]},{"@type":"WebSite","@id":"https:\/\/www.accessforkidscancer.ca\/fr\/#website","url":"https:\/\/www.accessforkidscancer.ca\/fr\/","name":"ACCESS","description":"Advancing Childhood Cancer Experience, Science &amp; Survivorship","publisher":{"@id":"https:\/\/www.accessforkidscancer.ca\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.accessforkidscancer.ca\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.accessforkidscancer.ca\/fr\/#organization","name":"ACCESS","url":"https:\/\/www.accessforkidscancer.ca\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.accessforkidscancer.ca\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/www.accessforkidscancer.ca\/wp-content\/uploads\/2024\/08\/access-organization-logo.png","contentUrl":"https:\/\/www.accessforkidscancer.ca\/wp-content\/uploads\/2024\/08\/access-organization-logo.png","width":696,"height":696,"caption":"ACCESS"},"image":{"@id":"https:\/\/www.accessforkidscancer.ca\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/acces_access","https:\/\/www.instagram.com\/access_acces\/","https:\/\/www.linkedin.com\/company\/access-acces\/","https:\/\/www.youtube.com\/channel\/UC0SYgen8vfGlXtikQ8xtQ6A"]}]}},"_links":{"self":[{"href":"http:\/\/www.accessforkidscancer.ca\/fr\/wp-json\/wp\/v2\/theme-project\/4352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.accessforkidscancer.ca\/fr\/wp-json\/wp\/v2\/theme-project"}],"about":[{"href":"http:\/\/www.accessforkidscancer.ca\/fr\/wp-json\/wp\/v2\/types\/theme-project"}],"author":[{"embeddable":true,"href":"http:\/\/www.accessforkidscancer.ca\/fr\/wp-json\/wp\/v2\/users\/6"}],"wp:attachment":[{"href":"http:\/\/www.accessforkidscancer.ca\/fr\/wp-json\/wp\/v2\/media?parent=4352"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.accessforkidscancer.ca\/fr\/wp-json\/wp\/v2\/tags?post=4352"},{"taxonomy":"project-category","embeddable":true,"href":"http:\/\/www.accessforkidscancer.ca\/fr\/wp-json\/wp\/v2\/project-category?post=4352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}