{"id":3048,"date":"2026-08-22T21:15:40","date_gmt":"2026-08-22T20:15:40","guid":{"rendered":"https:\/\/seamlessbio.de\/?page_id=3048"},"modified":"2026-08-23T00:14:18","modified_gmt":"2026-08-22T23:14:18","slug":"what-is-adme","status":"publish","type":"page","link":"https:\/\/seamlessbio.de\/de\/what-is-adme\/","title":{"rendered":"What is ADME?"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"3048\" class=\"elementor elementor-3048\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-49e15f2 e-con e-atomic-element e-flexbox-base e-4e66028\" data-id=\"49e15f2\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"49e15f2\">\n    \t\t<div class=\"elementor-element elementor-element-03ab325 elementor-widget elementor-widget-html\" data-id=\"03ab325\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- \nWORDPRESS PAGE \u2014 GUTENBERG \"BENUTZERDEFINIERTES HTML\" BLOCK\nSlug: what-is-adme\nSEO Title: What is ADME? \u2014 Definition in Drug Development | SeamlessBio\nMeta Description: What is ADME (absorption, distribution, metabolism, excretion) in drug development, why is ADME profiling required, and how is each component assessed in vitro?\nFocus Keyword: what is ADME drug development\nAdditional Keywords: ADME pharmacokinetics definition, absorption distribution metabolism excretion, ADME in vitro assays DMPK\nMenu: Resources \u2192 Glossary\n-->\n<div style=\"background:#e9fbfa;border-left:4px solid #18b7b2;border-radius:0 8px 8px 0;padding:20px 24px;margin-bottom:32px;\">\n<p style=\"font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#139b97;margin-bottom:8px;\">Quick Definition<\/p>\n<p style=\"font-size:16px;margin:0;\"><strong>What is ADME?:<\/strong> ADME stands for Absorption, Distribution, Metabolism, and Excretion \u2014 the four pharmacokinetic processes that determine a drug's journey through the body from administration to elimination. ADME profiling is a central part of preclinical drug development that predicts in vivo pharmacokinetic behaviour from in vitro assay data and guides drug candidate selection.<\/p>\n<\/div>\n<h2>Why ADME profiling matters<\/h2>\n<p>A drug with excellent target potency will fail in clinical development if it is rapidly metabolised (short half-life), poorly absorbed (low oral bioavailability), or toxic due to reactive metabolite formation. ADME profiling identifies these liabilities in early discovery and allows medicinal chemistry to address them before expensive clinical investment.<\/p>\n<h2>ADME and regulatory submissions<\/h2>\n<p>FDA, EMA and ICH M12 require a complete in vitro ADME package in IND-enabling studies: metabolic stability, reaction phenotyping, CYP inhibition\/induction, plasma protein binding, and transporter DDI assessment. SeamlessBio provides the biological tools: ABC transporter vesicle kits and human AB serum\/plasma for protein binding assays.<\/p>\n<h2>Key Facts<\/h2>\n<ul>\n<li>A: Absorption \u2014 how the drug enters systemic circulation; determined by solubility, permeability, and efflux transporter activity (P-gp, BCRP) at the gut wall<\/li>\n<li>D: Distribution \u2014 how the drug distributes into tissues; determined by plasma protein binding (fu,plasma), lipophilicity (logP), and tissue transporter expression<\/li>\n<li>M: Metabolism \u2014 chemical transformation by hepatic CYP450 enzymes (CYP3A4, 2D6, 2C9, 2C19, 1A2) and Phase II enzymes (UGTs, SULTs)<\/li>\n<li>E: Excretion \u2014 elimination via renal (OCT2, OAT1\/3, MATE1\/2-K) and biliary routes (BSEP, MRP2, P-gp)<\/li>\n<li>ADME profiling reduces late-stage attrition \u2014 ~40% of clinical drug failures in the 1990s were due to poor ADME<\/li>\n<li>Key in vitro assays: Caco-2\/PAMPA (permeability), plasma protein binding (fu), microsomal stability, hepatocyte clearance, transporter DDI<\/li>\n<\/ul>\n<h2>Further Reading<\/h2>\n<ul>\n<li><a href=\"https:\/\/seamlessbio.de\/de\/what-is-drug-drug-interaction-ddi\/\">What is DDI?<\/a><\/li>\n<li><a href=\"https:\/\/seamlessbio.de\/de\/ressourcen\/blog\/in-vitro-drug-metabolism-cyp450-microsomes-hepatocytes\/\">In Vitro Drug Metabolism Guide<\/a><\/li>\n<li><a href=\"https:\/\/seamlessbio.de\/de\/ressourcen\/blog\/fda-ema-mandatory-drug-transporters-ind-dmpk-guide\/\">FDA & EMA Mandatory Transporters<\/a><\/li>\n<li><a href=\"https:\/\/seamlessbio.de\/de\/what-is-abc-transporter\/\">What is ABC Transporter?<\/a><\/li>\n<\/ul>\n<div style=\"background:#f4f6f7;border-radius:12px;padding:32px;text-align:center;margin-top:40px;\">\n<p style=\"font-size:18px;font-weight:700;color:#1a2e35;margin-bottom:12px;\">DMPK Assay Tools \u2014 Transporter Kits & Human Serum | SeamlessBio<\/p>\n<a href=\"https:\/\/seamlessbio.de\/de\/produkte\/dmpk-transporter-assays\/\" style=\"background:#18b7b2;color:#fff;padding:12px 28px;border-radius:50px;font-size:13px;font-weight:700;text-decoration:none;\">View Product \u2192<\/a>\n&nbsp;&nbsp;\n<a href=\"https:\/\/seamlessbio.de\/de\/kontakt\/\" style=\"border:2px solid #18b7b2;color:#139b97;padding:10px 28px;border-radius:50px;font-size:13px;font-weight:700;text-decoration:none;\">Muster anfordern<\/a>\n<\/div>\n<p style=\"font-size:13px;color:#6b7f82;margin-top:32px;border-top:1px solid #d8e8e7;padding-top:16px;\">\n<em>SeamlessBio GmbH \u00b7 Passau, Germany \u00b7 <a href=\"mailto:info@seamlessbio.de\">info@seamlessbio.de<\/a><\/em>\n<\/p>\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Quick Definition What is ADME?: ADME stands for Absorption, Distribution, Metabolism, and Excretion \u2014 the four pharmacokinetic processes that determine a drug&#8217;s journey through the body from administration to elimination. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","footnotes":""},"class_list":["post-3048","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is ADME? \u2014 Definition in Drug Development | SeamlessBio<\/title>\n<meta name=\"description\" content=\"What is ADME (absorption, distribution, metabolism, excretion) in drug development, why is ADME profiling required, and how is each component assessed in vitro?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/seamlessbio.de\/de\/what-is-adme\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is ADME? 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