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first-pass elimination |
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first-pass elimination First-pass effect, first-pass metabolism, presystemic elimination Pharmacology The rate at which circulating drugs are metabolized as they traverse the liver, before they reach the systemic circulation How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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This is most likely the result of first-pass elimination of a medication or drug during oral consumption. Other advantages include: 1) rapid systemic absorption; 2) quicker onset of therapeutic activity (versus oral); 3) lower required doses and fewer side effects (in some cases); 4) increased patient compliance (versus injection); and 5) avoidance of hepatic first-pass elimination and/or gastrointestinal metabolism of the drug. |
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