{"id":13511,"date":"2021-07-15T14:16:19","date_gmt":"2021-07-15T17:16:19","guid":{"rendered":"https:\/\/portaldasaudenews.com\/?p=13511"},"modified":"2021-07-15T14:16:19","modified_gmt":"2021-07-15T17:16:19","slug":"anvisa-diz-que-ate-o-momento-nao-ha-estudos-conclusivos-sobre-terceira-dose-de-vacina","status":"publish","type":"post","link":"https:\/\/portaldasaudenews.com\/?p=13511","title":{"rendered":"Anvisa diz que at\u00e9 o momento n\u00e3o h\u00e1 estudos conclusivos sobre terceira dose de vacina"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>A Anvisa esclarece que, at\u00e9 o momento, n\u00e3o h\u00e1 estudos conclusivos sobre a necessidade de uma terceira dose ou dose de refor\u00e7o para as vacinas contra Covid-19 autorizadas no Brasil. As pesquisas s\u00e3o desenvolvidas pelos laborat\u00f3rios farmac\u00eauticos.<\/p>\n<p>At\u00e9 o momento a Ag\u00eancia recebeu dois pedidos de autoriza\u00e7\u00e3o para pesquisa cl\u00ednica que buscam investigar os efeitos de uma dose adicional do imunizante contra a Covid-19.<\/p>\n<h3>Estudos em andamento<\/h3>\n<p>O primeiro \u00e9 um estudo da Pfizer\/BioNTech\u00a0que\u00a0investiga\u00a0os efeitos, a seguran\u00e7a e o benef\u00edcio de uma dose de refor\u00e7o da sua vacina, a\u00a0Comirnaty. Neste estudo, a dose de refor\u00e7o da vacina da Pfizer ser\u00e1 aplicada em pessoas que tomaram as duas doses completas da vacina h\u00e1 pelo menos seis meses.<\/p>\n<p>O estudo da Pfizer foi autorizado pela Anvisa em 18 de junho e a condu\u00e7\u00e3o do estudo \u00e9 de responsabilidade do laborat\u00f3rio.<\/p>\n<p>O segundo caso \u00e9 o do laborat\u00f3rio AstraZeneca, que\u00a0desenvolveu\u00a0uma segunda vers\u00e3o da vacina que est\u00e1 em uso no pa\u00eds, buscando a imuniza\u00e7\u00e3o contra a variante B.1.351 do Sars-CoV-2, identificada primeiro na \u00c1frica do Sul.<\/p>\n<p>Um dos bra\u00e7os do estudo prev\u00ea que uma dose da nova vers\u00e3o da vacina (AZD 2816) ser\u00e1 aplicada em pessoas que foram vacinadas com duas doses da vers\u00e3o atual da AstraZeneca (AZD1222) ou duas doses de uma vacina de RNA mensageiro (RNAm) contra Covid-19. Nesse caso, o estudo prev\u00ea que essa dose adicional ser\u00e1 aplicada em pessoas cujo exame e monitoramento n\u00e3o identificam a produ\u00e7\u00e3o de anticorpos capazes de atuar contra o novo coronav\u00edrus.<\/p>\n<p>O estudo da\u00a0AstraZeneca\u00a0foi\u00a0autorizado\u00a0nesta quarta-feira (14\/7).<\/p>\n<p>*Reda\u00e7\u00e3o<\/p>\n<p>Foto: Pixabay<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; A Anvisa esclarece que, at\u00e9 o momento, n\u00e3o h\u00e1 estudos conclusivos sobre a necessidade<\/p>\n","protected":false},"author":1,"featured_media":13512,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[48,28],"tags":[],"class_list":["post-13511","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-brasil","category-saude-brasil"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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