Title : Atorvastatin coadministration may increase digoxin concentrations by inhibition of intestinal P-glycoprotein-mediated secretion.

Pub. Date : 2000 Jan

PMID : 10631627






3 Functional Relationships(s)
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1 Atorvastatin coadministration may increase digoxin concentrations by inhibition of intestinal P-glycoprotein-mediated secretion. Atorvastatin ATP binding cassette subfamily B member 1 Homo sapiens
2 Since atorvastatin is a CYP3A4 substrate and many CYP3A4 substrates are also substrates for P-glycoprotein transport, the influence of atorvastatin and its metabolites on P-glycoprotein-mediated digoxin transport in monolayers of the human colon carcinoma (Caco-2) cell line was investigated. Atorvastatin ATP binding cassette subfamily B member 1 Homo sapiens
3 Atorvastatin (100 microM) inhibited digoxin secretion (transport from the basolateral to apical aspect of the monolayer) by 58%, equivalent to the extent of inhibition observed with verapamil, a known inhibitor of P-glycoprotein transport. Atorvastatin ATP binding cassette subfamily B member 1 Homo sapiens