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Area under the curve
Additional recommended knowledge
Interpretation and usefulness of AUC values
In real-world terms the AUC (from zero to infinity) represents the total amount of drug absorbed by the body, irrespective of the rate of absorption. This is useful when trying to determine whether two formulations of the same dose (for example a capsule and a tablet) release the same dose of drug to the body. Another use is in the therapeutic monitoring of toxic drugs. For example, gentamicin is an antibiotic which displays nephro- and ototoxicities; measurement of gentamicin concentrations in a patient's plasma and calculation of the AUC is used to guide the dosage of this drug.
AUC becomes useful for knowing the average concentration over a time interval, AUC/t. Also, AUC is referenced when talking about elimination. The amount eliminated by the body = clearance (volume/time) * AUC (mass*time/volume).
Area under the Receiver Operating Characteristic (ROC) curve.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Area_under_the_curve". A list of authors is available in Wikipedia.|