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Drug-Drug Interaction Between Rifampin and Fluvastatin

Drug-drug Interaction Clinical Trial

Official title:
The Effects of Single Dose Rifampin on Pharmacokinetics of Fluvastatin in Uninduced and Hepatically Induced Healthy Volunteers

Clinical Trial Summary

The effect of organic anion transporting polypeptide 1B1 (OATP1B1) transporter inhibition at clinical doses of fluvastatin, a biopharmaceutics drug disposition classification system (BDDCS) class 1 drug, has not been studied to date. A single dose of IV rifampin can be used as model OATP1B1 inhibitor to evaluate the significance of OATP1B1 transporter effects on fluvastatin disposition. A preinduction regimen of oral rifampin followed by a single IV infusion of rifampin can be used to evaluate the combined effects of enzyme induction and OATP1B1 transporter inhibition on fluvastatin disposition. A two arm, randomized, open label, crossover clinical study in healthy, volunteers will be conducted to evaluate the effects of IV rifampin on fluvastatin disposition in both hepatically induced and uninduced subjects.

Clinical Trial Description

The effect of rifampin on the pharmacokinetics of fluvastatin will be studied in healthy volunteers in a two arms, two-period, randomized, unblinded, crossover clinical trial. In the first arm, subjects will be randomized to one of two treatment groups: (i)fluvastatin (Lescol®) 20mg capsule (ii) one oral dose of fluvastatin (Lescol®) 20mg capsule immediately following a 30-min intravenous infusion of rifampin 600mg in 10ml Normal Saline. In the second arms, patients will be pretreated with 600mg oral rifampin (two 300mg rifadin capsule) once daily to induce hepatic enzymes (and transporters) for 5 years. Subjects will be randomized to one of two treatment groups: (i) one oral dose of fluvastatin (Lescol®) 20mg capsule (ii) one oral dose of fluvastatin (Lescol®) 20mg capsule immediately following a 30-min intravenous infusion of rifampin 600mg in 10ml Normal Saline ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04029584
Study type Interventional
Source University of California, San Francisco
Contact
Status Completed
Phase Phase 4
Start date April 25, 2019
Completion date April 25, 2020
View Details
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