Pharmacokinetic modeling of heparin and its clinical implications
- 1 August 1979
- journal article
- research article
- Published by Springer Nature in Journal of Pharmacokinetics and Biopharmaceutics
- Vol. 7 (4) , 331-354
- https://doi.org/10.1007/bf01062533
Abstract
Experimental work on heparin has indicated that its half-life increases with dose. Two models to describe heparin's pharmacokinetic behavior are proposed, and the parameters in the models are fitted to experimental data. Both models exhibit an apparent firstorder decay with a “halflife” that increases with dose. It is shown that, even though both models exhibit a bolus half-life of from 1 to 2 hr, over 2 days can be required for true steadystate conditions to be achieved in these models when a constant intravenous infusion of drug is given. The clinical implications of these models are discussed. Suggestions are made for further research on heparin kinetics.Keywords
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