Pharmacokinetic studies of high-dose metoclopramide with and without forced diuresis |
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Authors: | Ch Ell J Braun H J König S Domschke W Domschke |
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Institution: | (1) Medizinische Universitätsklinik Erlangen-Nürnberg, Germany;(2) 4. Medizinische Klinik, Institut für Nephrologie, Nürnberg |
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Abstract: | Summary The pharmacokinetics of high-dose metoclopramide (10 mg/kg body wt. in five infusions of 2 mg/kg body wt. each) was studied in 11 patients (5 females, 6 males) in two groups: group A with and group B (consisting of five patients) without forced diuresis. When the drug was infused, forced diuresis had no influence on the pharmacokinetics of metoclopramide (serum level after the 1st infusion was 851±361 ng/ml in group A versus 840±348 ng/ml in group B; after the 5th infusion it was 2,005±588 ng/ml in group A versus 2,463±1,350 ng/ml in group B). There were significant differences in the 24-h serum levels (582±308 ng/ml in group A versus 379±170 ng/ml in group B;P<0.05) and in the elimination half life (8.5±2.6 h in group A versus 6.1±1.1 h in group B;P<0.05). The results demonstrate that the dosage regimen originally suggested by Gralla for cytostatic drugs, with forced diuresis for high-dose metoclopramide therapy, may also be applied, with no dosage reduction, with to other cytostatic drugs which do not require forced diuresis. |
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Keywords: | Metoclopramide High dose Metoclopramide Pharmacokinetics Antiemetics |
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