{"id":5173,"date":"2023-06-16T12:29:07","date_gmt":"2023-06-16T12:29:07","guid":{"rendered":"https:\/\/curesz.org\/?page_id=5173"},"modified":"2023-08-07T14:00:16","modified_gmt":"2023-08-07T18:00:16","slug":"clozapine-side-effects-worth-the-risks","status":"publish","type":"page","link":"https:\/\/curesz.org\/pt_pt\/clozapine-side-effects-worth-the-risks\/","title":{"rendered":"Efeitos secund\u00e1rios da Clozapina: Vale a pena os riscos"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1352px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_4 1_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\"fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"676\" height=\"675\" title=\"Dr. Nasrallah 30321\" src=\"https:\/\/curesz.org\/wp-content\/uploads\/2022\/12\/Dr.-Nasrallah-30321-1.jpg\" data-orig-src=\"https:\/\/curesz.org\/wp-content\/uploads\/2022\/12\/Dr.-Nasrallah-30321-1.jpg\" alt class=\"lazyload img-responsive wp-image-4779\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27676%27%20height%3D%27675%27%20viewBox%3D%270%200%20676%20675%27%3E%3Crect%20width%3D%27676%27%20height%3D%27675%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/curesz.org\/wp-content\/uploads\/2022\/12\/Dr.-Nasrallah-30321-1-200x200.jpg 200w, https:\/\/curesz.org\/wp-content\/uploads\/2022\/12\/Dr.-Nasrallah-30321-1-400x399.jpg 400w, https:\/\/curesz.org\/wp-content\/uploads\/2022\/12\/Dr.-Nasrallah-30321-1-600x599.jpg 600w, https:\/\/curesz.org\/wp-content\/uploads\/2022\/12\/Dr.-Nasrallah-30321-1.jpg 676w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 400px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-1\"><p><strong>Henry A. Nasrallah, MD, Diretor Cient\u00edfico da Funda\u00e7\u00e3o CURESZ e Richard Sanders, MD, Psiquiatra na Midwest Clinical Research, Dayton, Ohio<\/strong><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_3_4 3_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:75%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.56%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.56%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\"><p>A clozapina \u00e9 um medicamento \u00fanico, com maior efic\u00e1cia do que todos os outros medicamentos antipsic\u00f3ticos para os doentes com esquizofrenia resistente ao tratamento. No entanto, pode ser mais dif\u00edcil de gerir, pode ter efeitos secund\u00e1rios f\u00edsicos graves e alguns efeitos secund\u00e1rios raros podem ser fatais. Ainda assim, o mais importante \u00e9 que, de acordo com estudos longitudinais publicados, os doentes com esquizofrenia resistente ao tratamento que recebem clozapina t\u00eam uma menor mortalidade por problemas de sa\u00fade ou suic\u00eddio do que os tratados com outros medicamentos antipsic\u00f3ticos. Isto n\u00e3o se deve ao facto de a clozapina ter um melhor perfil de seguran\u00e7a do que os outros antipsic\u00f3ticos. As pessoas que tomam clozapina vivem mais tempo porque esta actua melhor contra a psicose.<\/p>\n<p>Os efeitos secund\u00e1rios graves da Clozapina s\u00e3o pouco frequentes. Por exemplo, a an\u00e1lise sangu\u00ednea semanal dir-lhe-\u00e1 se est\u00e1 em risco de desenvolver neutropenia (uma diminui\u00e7\u00e3o dos gl\u00f3bulos brancos), o que acontece em apenas 1% dos doentes, e a medica\u00e7\u00e3o pode ser descontinuada sem qualquer perigo. Por este motivo, o risco de morte por neutropenia induzida pela clozapina ocorre em cerca de 1 em cada 10.000 pessoas em todo o mundo, e ainda menos nos Estados Unidos devido a uma melhor monitoriza\u00e7\u00e3o.<\/p>\n<p>O risco de convuls\u00f5es \u00e9 incerto, mas \u00e9 mais elevado do que o risco de convuls\u00f5es com outros medicamentos antipsic\u00f3ticos. O risco de convuls\u00f5es est\u00e1 relacionado com o aumento da dose de clozapina, mas este \u00e9 normalmente um efeito adverso de f\u00e1cil controlo.  A morte devido a convuls\u00f5es relacionadas com a clozapina \u00e9 muito rara. A inflama\u00e7\u00e3o do m\u00fasculo card\u00edaco (miocardite) ocorre em 1%-3% das pessoas que iniciam a clozapina durante as primeiras 6 semanas de tratamento, mas \u00e9 menos frequente quando a dose \u00e9 aumentada lentamente. Muitos m\u00e9dicos verificam a troponina s\u00e9rica e a PCR (uma an\u00e1lise ao sangue que reflecte a inflama\u00e7\u00e3o), todas as semanas durante as primeiras 6 semanas de tratamento, ao mesmo tempo que o doente faz an\u00e1lises laboratoriais para detetar a neutropenia.<\/p>\n<p>A pneumonia ocorre em 2-3% das pessoas nos primeiros dois meses ap\u00f3s o in\u00edcio da clozapina, e pode estar relacionada com um efeito secund\u00e1rio invulgar, a sialorreia (ou seja, baba). A baba ocorre normalmente durante o sono (as pessoas encontram uma almofada molhada de manh\u00e3), mas pode ocorrer durante a vig\u00edlia. Esta situa\u00e7\u00e3o \u00e9 tratada reduzindo a dose e\/ou utilizando um de v\u00e1rios medicamentos (gotas orais de atropina ou injec\u00e7\u00f5es de Botox nas gl\u00e2ndulas salivares) que abrandam a produ\u00e7\u00e3o de saliva. A pneumonia n\u00e3o exige que a clozapina seja interrompida, mas a dose pode ter de ser reduzida temporariamente at\u00e9 que os problemas de baba sejam mais bem geridos.<\/p>\n<p>A obstipa\u00e7\u00e3o pode tornar-se um problema grave, ao ponto de a FDA ter emitido um aviso em janeiro de 2020 alertando para a utiliza\u00e7\u00e3o da clozapina com outros medicamentos anticolin\u00e9rgicos que diminuem a motilidade gastrointestinal. Estas combina\u00e7\u00f5es podem causar um problema grave (ileus).  Quando se inicia o tratamento com clozapina, os m\u00e9dicos prescrevem normalmente um amaciador de fezes (docusato) e, em seguida, adicionam outros medicamentos (por exemplo, polietilenoglicol-3350, bisacodilo, linaclotide, etc.) para evitar a obstipa\u00e7\u00e3o extrema e o \u00edleo.<\/p>\n<p>O aumento de peso e a seda\u00e7\u00e3o s\u00e3o efeitos secund\u00e1rios comuns, mas raramente s\u00e3o perigosos. A metformina, um comprimido para a diabetes muito utilizado, \u00e9 frequentemente utilizada para ajudar a prevenir o aumento de peso devido \u00e0 clozapina, e \u00e9 iniciada quando a clozapina \u00e9 iniciada.  Os novos agonistas do p\u00e9ptido-1 semelhante ao glucagon (por exemplo, semaglutide) foram aprovados pela FDA para a obesidade em n\u00e3o diab\u00e9ticos e foram estudados em doentes tratados com clozapina para ajudar a gerir o aumento de peso. A seda\u00e7\u00e3o pode ser de curta dura\u00e7\u00e3o ou persistente, e pode ser ligeira ou um verdadeiro obst\u00e1culo. Pode ser tratada de v\u00e1rias formas, incluindo a administra\u00e7\u00e3o de um medicamento para despertar, como o modafinil. Os m\u00e9dicos devem verificar regularmente os pesos, bem como as an\u00e1lises laboratoriais, e devem perguntar aos doentes sobre os efeitos secund\u00e1rios em cada consulta.<\/p>\n<p>A clozapina vale a pena os riscos, especialmente quando gerida com cuidado, uma vez que os doentes resistentes ao tratamento n\u00e3o t\u00eam alternativas vi\u00e1veis de medica\u00e7\u00e3o eficaz. \u00c9 o \u00fanico medicamento antipsic\u00f3tico que pode restaurar o bem-estar mental em doentes que, de outra forma, ficariam incapacitados para o resto das suas vidas com alucina\u00e7\u00f5es e del\u00edrios intrat\u00e1veis. \u00c9 mais suscet\u00edvel de prolongar do que de encurtar a vida. \u00c9 tamb\u00e9m mais suscet\u00edvel do que outros medicamentos antipsic\u00f3ticos de permitir que os doentes com esquizofrenia grave funcionem profissional e socialmente e melhorem a sua qualidade de vida.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container hundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:0px;--awb-padding-right:0px;--awb-padding-bottom:0px;--awb-padding-left:0px;--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-background-color:#015da7;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><\/div><\/div>\n<\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-5173","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Clozapine Side Effects: Worth the Risks - CURESZ Foundation<\/title>\n<meta name=\"description\" content=\"People taking clozapine live longer because it works better against psychosis. 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