Transdermal delivery of etidronate (EHDP) in the pig via iontophoresis

The delivery rate of etidronate disodium (EHDP) to a pig from an iontophoretic device placed on its back has been determined by comparing the plasma levels and amount on bone with the values obtained following an intravenous dose. A 5-cm 2 iontophoretic patch containing 9.8% EHDP and operating at a...

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Veröffentlicht in:Journal of membrane science 1988, Vol.35 (2), p.161-165
Hauptverfasser: Slough, C.L., Spinelli, M.J., Kasting, G.B.
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container_title Journal of membrane science
container_volume 35
creator Slough, C.L.
Spinelli, M.J.
Kasting, G.B.
description The delivery rate of etidronate disodium (EHDP) to a pig from an iontophoretic device placed on its back has been determined by comparing the plasma levels and amount on bone with the values obtained following an intravenous dose. A 5-cm 2 iontophoretic patch containing 9.8% EHDP and operating at a current level of 4 mA delivered approximately 2 mg of drug in 1.1 hours. The peak plasma level resulting from this treatment was only 1.7% of that obtained from the intravenous infusion (6 mg). Elimination kinetics of the drug after cessation of the treatment paralleled those obtained in the intravenous study. The amount of drug delivered was consistent with a prediction based on iontophoretic transport of EHDP through skin in vitro.
doi_str_mv 10.1016/S0376-7388(00)82441-2
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A 5-cm 2 iontophoretic patch containing 9.8% EHDP and operating at a current level of 4 mA delivered approximately 2 mg of drug in 1.1 hours. The peak plasma level resulting from this treatment was only 1.7% of that obtained from the intravenous infusion (6 mg). Elimination kinetics of the drug after cessation of the treatment paralleled those obtained in the intravenous study. The amount of drug delivered was consistent with a prediction based on iontophoretic transport of EHDP through skin in vitro.</description><subject>Biological and medical sciences</subject><subject>etidronic acid</subject><subject>General pharmacology</subject><subject>iontophoresis</subject><subject>Medical sciences</subject><subject>Pharmacokinetics. Pharmacogenetics. Drug-receptor interactions</subject><subject>Pharmacology. 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subjects Biological and medical sciences
etidronic acid
General pharmacology
iontophoresis
Medical sciences
Pharmacokinetics. Pharmacogenetics. Drug-receptor interactions
Pharmacology. Drug treatments
skin
title Transdermal delivery of etidronate (EHDP) in the pig via iontophoresis
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