{"id":220111,"date":"2021-09-27T21:30:27","date_gmt":"2021-09-27T20:30:27","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=220111"},"modified":"2021-09-27T21:30:27","modified_gmt":"2021-09-27T20:30:27","slug":"lutte-anti-covid-vers-labsorption-dune-pilule-preventive","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/lutte-anti-covid-vers-labsorption-dune-pilule-preventive\/","title":{"rendered":"Lutte anti-Covid : vers l\u2019absorption d\u2019une pilule pr\u00e9ventive ?"},"content":{"rendered":"<div>Pfizer a annonc\u00e9, ce lundi 27 septembre, avoir commenc\u00e9 un essai clinique de grande ampleur pour sa pilule anti-Covid, afin de tester sa capacit\u00e9 \u00e0 r\u00e9duire \u2013 \u00e0 titre pr\u00e9ventif \u2013 les risques d\u2019infection. Plusieurs autres compagnies, comme Merck et Roche, travaillent sur des m\u00e9dicaments de ce type, appel\u00e9s \u00ab antiviraux \u00bb.<\/div>\n<div>Objectif ? Emp\u00eacher le virus de se r\u00e9pliquer. En cela, leur application peut \u00eatre double : \u00e0 la fois permettre aux personnes d\u00e9j\u00e0 atteintes de la maladie de ne pas souffrir de sympt\u00f4mes graves, mais aussi \u00e0 celles ayant \u00e9t\u00e9 en contact rapproch\u00e9 de ne pas la d\u00e9velopper.<\/div>\n<div>En cas de r\u00e9sultats concluants, \u00ab nous pensons que ce traitement pourrait aider \u00e0 arr\u00eater le virus tr\u00e8s t\u00f4t \u2013 avant qu\u2019il ait la possibilit\u00e9 de se r\u00e9pliquer largement \u2013 en emp\u00eachant potentiellement les cas symptomatiques de la maladie chez ceux ayant \u00e9t\u00e9 expos\u00e9s et en freinant le d\u00e9but de l\u2019infection chez d\u2019autres \u00bb, a d\u00e9clar\u00e9 ce lundi dans un communiqu\u00e9 Mikael Dolsten, directeur scientifique chez Pfizer.<\/div>\n<div><\/div>\n<div><strong>*Une approche \u00ab compl\u00e9mentaire \u00bb au vaccin<\/strong><\/div>\n<div>Mais attention, cette approche n\u2019a pas vocation \u00e0 se substituer au vaccin, elle est \u00ab compl\u00e9mentaire \u00bb, pr\u00e9cise le directeur du laboratoire am\u00e9ricain, pr\u00e9cisant que ce traitement, nomm\u00e9 PF-07321332, a \u00e9t\u00e9 con\u00e7u sous forme de pilule \u00e0 avaler simplement avec un verre d\u2019eau.<\/div>\n<div>L\u2019essai clinique de phase 2 et 3 annonc\u00e9 ce lundi comptera plus de 2 600 participants \u00e2g\u00e9s de 18 ans ou plus. Certains prendront le traitement, administr\u00e9 deux fois par jour pendant 5 \u00e0 10 jours, et les autres un placebo. \u00c0 noter que le m\u00e9dicament a d\u00e9j\u00e0 \u00e9t\u00e9 test\u00e9 sur quelques dizaines de personnes afin de d\u00e9montrer qu\u2019il n\u2019\u00e9tait pas dangereux pour la sant\u00e9.<\/div>\n<div>Deux autres essais cliniques sont par ailleurs en cours depuis cet \u00e9t\u00e9 sur des milliers de participants pour \u00e9valuer l\u2019efficacit\u00e9 du produit sur les personnes d\u00e9j\u00e0 atteintes du Covid-19 : l\u2019un pour celles pr\u00e9sentant un haut risque de d\u00e9velopper un cas grave de la maladie, l\u2019autre pour les faibles risques.<\/div>\n<div>Ce m\u00e9dicament devrait \u00eatre efficace dans les premiers jours de l\u2019infection, avant que le virus ne se soit d\u00e9j\u00e0 largement r\u00e9pliqu\u00e9. Le traitement de Pfizer, contrairement \u00e0 ses concurrents, n\u2019a pas \u00e9t\u00e9 r\u00e9adapt\u00e9 \u00e0 partir d\u2019un autre m\u00e9dicament mais d\u00e9velopp\u00e9 sp\u00e9cifiquement contre le SARS-CoV-2. Il sera toutefois administr\u00e9 en combinaison avec une \u00ab faible dose \u00bb du m\u00e9dicament ritonavir, utilis\u00e9 contre le virus du sida.<\/div>\n<div style=\"text-align: right\">(AFP)<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pfizer a annonc\u00e9, ce lundi 27 septembre, avoir commenc\u00e9 un essai clinique de grande ampleur pour sa pilule anti-Covid, afin de tester sa capacit\u00e9 \u00e0 r\u00e9duire \u2013 \u00e0 titre pr\u00e9ventif&hellip;<\/p>\n","protected":false},"author":60,"featured_media":220112,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-220111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monde"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lutte anti-Covid : vers l\u2019absorption d\u2019une pilule pr\u00e9ventive ? 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