{"id":3560,"date":"2025-09-09T15:50:23","date_gmt":"2025-09-09T18:50:23","guid":{"rendered":"https:\/\/overticeportal.com.br\/?p=3560"},"modified":"2025-09-09T15:50:25","modified_gmt":"2025-09-09T18:50:25","slug":"russia-anuncia-que-sua-vacina-contra-o-cancer-ja-esta-pronta-para-uso-humano","status":"publish","type":"post","link":"https:\/\/portalam9.com.br\/?p=3560","title":{"rendered":"R\u00fassia anuncia que sua vacina contra o c\u00e2ncer j\u00e1 est\u00e1 pronta para uso humano"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A R\u00fassia afirmou que sua vacina contra o\u00a0c\u00e2ncer colorretal\u00a0est\u00e1 \u201c<em>pronta para uso<\/em>\u201d ap\u00f3s resultados positivos em testes pr\u00e9-cl\u00ednicos. A informa\u00e7\u00e3o foi divulgada por Veronika Skvortsova, chefe da Ag\u00eancia Federal de Medicina e Biologia (FMBA), durante o F\u00f3rum Econ\u00f4mico do Leste. O imunizante foi desenvolvido pelo Centro Gamaleya em parceria com institutos de pesquisa em Moscou e teria reduzido o tamanho de tumores entre 60% e 80%, al\u00e9m de aumentar taxas de sobreviv\u00eancia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tecnologia semelhante \u00e0 da covid-19<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A dose utiliza a<strong>&nbsp;tecnologia de RNA mensageiro (RNAm<\/strong>), a mesma que revolucionou o combate \u00e0&nbsp;<strong>Covid-19<\/strong>. Diferente das vacinas preventivas, trata-se de uma vacina terap\u00eautica,&nbsp;<strong>criada para estimular o sistema imunol\u00f3gico a reconhecer e atacar c\u00e9lulas tumorais j\u00e1 existentes.<\/strong>&nbsp;Inicialmente, o alvo \u00e9 o c\u00e2ncer de intestino, mas autoridades russas mencionam estudos tamb\u00e9m para glioblastoma (c\u00e2ncer cerebral) e melanoma (c\u00e2ncer de pele).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Por que o an\u00fancio gera desconfian\u00e7a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Apesar da empolga\u00e7\u00e3o do governo russo, especialistas destacam que os dados n\u00e3o foram publicados em revistas cient\u00edficas revisadas por pares, etapa essencial para validar a confiabilidade dos resultados. Tamb\u00e9m n\u00e3o est\u00e1 claro se a libera\u00e7\u00e3o anunciada seria apenas para o in\u00edcio dos ensaios cl\u00ednicos em humanos ou se j\u00e1 haveria planos de aplica\u00e7\u00e3o direta em pacientes, algo que foge do protocolo internacional.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Segundo Renato Kfouri, da Sociedade Brasileira de Imuniza\u00e7\u00f5es, todo novo imunizante deve passar por fases rigorosas de testes cl\u00ednicos em humanos (fases 1, 2 e 3) antes de chegar ao p\u00fablico. Sem esse processo, n\u00e3o h\u00e1 garantias de seguran\u00e7a e efic\u00e1cia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Panorama global das vacinas contra o c\u00e2ncer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Enquanto a R\u00fassia enfrenta cr\u00edticas por falta de transpar\u00eancia, outros projetos avan\u00e7am com mais clareza. A Moderna, em parceria com a MSD, j\u00e1 est\u00e1 na fase 3 de testes de uma vacina contra o melanoma. Publica\u00e7\u00f5es no The Lancet mostraram redu\u00e7\u00e3o de at\u00e9 62% no risco de met\u00e1stase ou morte. H\u00e1 tamb\u00e9m estudos para c\u00e2ncer de pulm\u00e3o e bexiga em est\u00e1gio avan\u00e7ado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No Brasil, a Fiocruz retomou em 2024 um projeto de vacina com RNAm contra o c\u00e2ncer de mama, ainda em fase inicial. Especialistas acreditam que as primeiras vacinas terap\u00eauticas contra tumores devem receber aprova\u00e7\u00e3o mundial at\u00e9 2030.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Fonte: Catraca Livre <strong>\/ <\/strong>Foto: \u00a0iStock\/Kuzmik_A<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A R\u00fassia afirmou que sua vacina contra o\u00a0c\u00e2ncer colorretal\u00a0est\u00e1 \u201cpronta para uso\u201d ap\u00f3s resultados positivos<\/p>\n","protected":false},"author":3,"featured_media":3561,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"class_list":["post-3560","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>R\u00fassia anuncia que sua vacina contra o c\u00e2ncer j\u00e1 est\u00e1 pronta para uso humano - 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