{"id":866,"date":"2026-03-12T17:26:34","date_gmt":"2026-03-12T16:26:34","guid":{"rendered":"https:\/\/biotechlerncenter.iph-multisite.berta-bewegt.ch\/?page_id=866"},"modified":"2026-03-12T17:26:34","modified_gmt":"2026-03-12T16:26:34","slug":"4-des-etudes-portant-sur-quelques-sujets-sains-phase-i","status":"publish","type":"page","link":"https:\/\/biotechlerncenter.interpharma.ch\/fr\/sujets\/genese-dun-medicament\/4-des-etudes-portant-sur-quelques-sujets-sains-phase-i\/","title":{"rendered":"4. Des \u00e9tudes portant sur quelques sujets sains: phase I"},"content":{"rendered":"\n<p>Le principe actif peut d\u00e9sormais \u00eatre test\u00e9 pour la premi\u00e8re fois chez l&rsquo;\u00eatre humain. Mais, avant de d\u00e9terminer son efficacit\u00e9, il faut d&rsquo;abord \u00e9tablir la tol\u00e9rance chez l&rsquo;homme d&rsquo;une mol\u00e9cule candidate. Pour cela, on \u00e9tudie chez des volontaires en bonne sant\u00e9 comment se comportent dans l&rsquo;organisme de petites quantit\u00e9s de la mol\u00e9cule candidate, et \u00e0 partir de quelle concentration elles commencent \u00e0 provoquer des effets ind\u00e9sirables. On commence habituellement par administrer les produits \u00e0 quelques douzaines de personnes. C&rsquo;est le d\u00e9but des \u00e9tudes dites \u00abcliniques\u00bb, qui doivent satisfaire \u00e0 des crit\u00e8res scientifiques rigoureux. Ces \u00e9tudes sont men\u00e9es soit dans des cabinets m\u00e9dicaux, soit dans des h\u00f4pitaux, soit encore par des entreprises sp\u00e9cialis\u00e9es. La participation des patients \u00e0 ces \u00e9tudes est volontaire. Pour chacune des phases de l&rsquo;\u00e9tude, il faut solliciter des autorisations des autorit\u00e9s comp\u00e9tentes, et ces essais sont soumis au contr\u00f4le de commissions d&rsquo;\u00e9thique. A partir des donn\u00e9es des \u00e9tudes de phase I, des gal\u00e9niciens d\u00e9veloppent la forme d&rsquo;administration qui va faire du principe actif le m\u00e9dicament v\u00e9ritable. Les formes possibles sont les suivantes: comprim\u00e9s, capsules, suppositoires, solution pour injection, cr\u00e8me ou syst\u00e8me transdermique.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le principe actif peut d\u00e9sormais \u00eatre test\u00e9 pour la premi\u00e8re fois chez l&rsquo;\u00eatre humain. Mais, avant de d\u00e9terminer son efficacit\u00e9, il faut d&rsquo;abord \u00e9tablir la tol\u00e9rance chez l&rsquo;homme d&rsquo;une mol\u00e9cule candidate. Pour cela, on \u00e9tudie chez des volontaires en bonne sant\u00e9 comment se comportent dans l&rsquo;organisme de petites quantit\u00e9s de la mol\u00e9cule candidate, et \u00e0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":898,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"page-templates\/unterthema.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-866","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>4. 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