<div class="elementor-post__thumbnail elementor-fit-height imagem_injetada" style="margin-bottom:7px; display:none;"><img width="300" height="168" src="https://www.femama.org.br/site_old/_files/noticia/381/0.667267001405968539.jpg" class="attachment-medium size-medium" alt=""></div><div class="elementor-post__thumbnail elementor-fit-height imagem_injetada" style="margin-bottom:7px; display:none;"><img width="300" height="168" src="https://www.femama.org.br/site_old/_files/noticia/381/0.667267001405968539.jpg" class="attachment-medium size-medium" alt=""></div>{"id":21251,"date":"2014-07-21T00:00:00","date_gmt":"2014-07-21T03:00:00","guid":{"rendered":"https:\/\/femama.org.br\/site_novo\/noticias-recentes\/revolucao-no-cancer-de-mama-her2-positivo\/"},"modified":"2014-07-21T00:00:00","modified_gmt":"2014-07-21T03:00:00","slug":"revolucao-no-cancer-de-mama-her2-positivo","status":"publish","type":"post","link":"https:\/\/femama.org.br\/site\/noticias-recentes\/revolucao-no-cancer-de-mama-her2-positivo\/","title":{"rendered":"Revolu\u00e7\u00e3o no c\u00e2ncer de mama HER2 positivo"},"content":{"rendered":"<p><p style=\"text-align: justify;\">\n\tA Ag&ecirc;ncia de Vigil&acirc;ncia Sanit&aacute;ria (Anvisa) autorizou o in&iacute;cio da comercializa&ccedil;&atilde;o do medicamento Kadcyla (nome comercial do TDM1, o Trastuzumab emtansine), aprovado em fevereiro desse ano para o tratamento do c&acirc;ncer de mama avan&ccedil;ado HER2 positivo.<\/p>\n<p>\tA nova droga, uma associa&ccedil;&atilde;o de um anticorpo carregado com um quimioter&aacute;pico, &eacute; injetada na circula&ccedil;&atilde;o sangu&iacute;nea a cada 21 dias, se fixa na c&eacute;lula alvo e, quando entra no tumor, libera a quimioterapia dentro dele. O efeito sobre o organismo acaba sendo menor e, no interior da c&eacute;lula, 80 vezes mais potente que uma droga taxano, usada no tratamento quimioter&aacute;pico do c&acirc;ncer de mama. &ldquo;&Eacute; a pr&oacute;pria mol&eacute;cula do trastuzumabe onde se conseguiu, com um m&eacute;todo de engenharia gen&eacute;tica, acopl&aacute;-lo a um pequeno agente quimioter&aacute;pico. O emtansine era muito t&oacute;xico quando aplicado sozinho mas acoplado ao trastuzumabe ele age especificamente na c&eacute;lula tumoral&rdquo;, explica Max Mano, oncologista cl&iacute;nico do Hospital S&iacute;rio Liban&ecirc;s, em S&atilde;o Paulo.<\/p>\n<p>\tO medicamento, considerado o maior avan&ccedil;o no tratamento qu&iacute;mico para c&acirc;ncer dos &uacute;ltimos 40 anos, foi apresentado pela primeira vez por Sunil Verna, no estudo EMILIA, e vem aumentando a sobrevida das mulheres com c&acirc;ncer de mama metast&aacute;tico HER2 positivo, que equivale a 32% dos casos totais.<\/p>\n<p>\t&ldquo;O tratamento com o Kadcyla &eacute; mais r&aacute;pido, o que acaba sendo bem toler&aacute;vel, apresentando maior efic&aacute;cia, sem queda dos cabelos&rdquo;, afirma Jos&eacute; Pedrini, mastologista e vice-presidente da Regi&atilde;o Sul da Sociedade Brasileira de Mastologia (SBM). Al&eacute;m de n&atilde;o haver queda de cabelo, um dos principais efeitos colaterais da quimioterapia, as pacientes portadoras da doen&ccedil;a enfrentam um n&uacute;mero bem menor de n&aacute;useas, diarr&eacute;ia ou v&ocirc;mitos, e muitas mulheres poder&atilde;o prescindir tamb&eacute;m da mastectomia.<\/p>\n<p>\tPedrini conta que algumas de suas pacientes fazem uso da droga h&aacute; quase cinco anos. &ldquo;De outra forma j&aacute; teriam morrido. Tenho uma paciente que fez sete linhas de tratamento, agora faz tratamento com o kadcyla e est&aacute; assintom&aacute;tica. A doen&ccedil;a est&aacute;, presente mas est&aacute;vel&rdquo;, comemora.<\/p>\n<p>\tCUSTO<\/p>\n<p>\tO custo da droga depende do peso da paciente. A dose recomendada &eacute; de 3,6 mg por quilo, ou seja, quanto maior o peso da paciente, maior o custo do tratamento. &ldquo;Em m&eacute;dia o pre&ccedil;o &eacute; 10 mil reais a cada 21 dias&rdquo;, explica Pedrini.<\/p>\n<p>\tA droga ainda n&atilde;o est&aacute; dispon&iacute;vel pelo Sistema &Uacute;nico de Sa&uacute;de (SUS), a n&atilde;o ser em casos de demanda judicial. &ldquo;Tenho v&aacute;rias pacientes que j&aacute; entraram com pedidos judiciais e est&atilde;o usando a droga. As pacientes que j&aacute; falharam com outras drogas e justificarem a necessidade t&ecirc;m o direito de usar o kadcyla&rdquo;, diz.<\/p>\n<p>\n<em>Mat&eacute;ria de Sergio Azman publicada no site OncoNews, em 20\/07\/2014 <\/em><br \/>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A ANVISA autorizou o in\u00edcio da comercializa\u00e7\u00e3o do medicamento Kadcyla (TDM1, o Trastuzumab emtansine), aprovado em fevereiro desse ano para o tratamento do c\u00e2ncer de mama avan\u00e7ado HER2 positivo.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[],"class_list":["post-21251","post","type-post","status-publish","format-standard","hentry","category-noticias-recentes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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