Document Detail


Effect of digoxin on plasma clearance and anticoagulant effect of warfarin in rats.
MedLine Citation:
PMID:  6747809     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The possible effects of digoxin on the elimination and anticoagulant action of warfarin were examined in rats. The pharmacokinetic parameters of warfarin after a single i.v. (1.2 mg/kg) or repeated oral coadministration with anticoagulant (0.6 mg/kg on day 1, thereafter 0.3 mg/kg) and digoxin (50 micrograms/kg) were not significantly different as compared with those in the group treated with warfarin alone. However, prothrombin complex activity (PCA) following coadministration with the diuretic was significantly and relatively rapidly recovered as compared with that in the warfarin group. The amounts of warfarin extracted by liver 2 and 6 h after a single i.v. dosing or 3 and 8 h after repeated oral dosing in the coadministered group were significantly decreased as compared with those in the group received warfarin alone. The renal function (renal plasma flow rate (RPF) and glomerular filtration rate) in the group coadministered with digoxin was significantly higher than that in the group receiving warfarin alone. On the other hand, the fraction of warfarin bound to BSA or rat plasma and the plasma water were little changed in the presence of digoxin. These results suggest that a pharmacological interaction, the decrease in the anticoagulant action, is induced between warfarin and digoxin coadministered.
Authors:
T Ogiso; M Iwaki; Y Konishi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of pharmacobio-dynamics     Volume:  7     ISSN:  0386-846X     ISO Abbreviation:  J. Pharmacobio-dyn.     Publication Date:  1984 Mar 
Date Detail:
Created Date:  1984-09-10     Completed Date:  1984-09-10     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  7901854     Medline TA:  J Pharmacobiodyn     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  186-94     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Aminohippuric Acids / blood
Animals
Blood Coagulation / drug effects*
Digoxin / pharmacology*
Drug Interactions
Hematocrit
Kinetics
Liver / metabolism
Male
Protein Binding
Proteins / metabolism
Prothrombin / metabolism
Rats
Rats, Inbred Strains
Thiosulfates / blood
Warfarin / blood,  pharmacology*
Chemical
Reg. No./Substance:
0/Aminohippuric Acids; 0/Proteins; 0/Thiosulfates; 20830-75-5/Digoxin; 7772-98-7/sodium thiosulfate; 81-81-2/Warfarin; 9001-26-7/Prothrombin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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