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A Study to Explore the Pharmacokinetics of Rilpivirine With Rifabutin in Healthy Participants

Healthy Clinical Trial

Official title:
A Phase I, Open-Label Study in Healthy Subjects, to Explore the Pharmacokinetics of Different Dosing Regimens of Rilpivirine in Combination With Rifabutin, at Steady-State

Clinical Trial Summary

The purpose of this study is to explore the pharmacokinetics of different dosing regimens of rilpivirine in combination with rifabutin in healthy participants.

Clinical Trial Description

This is a Phase I, open-label (the participant will know the identity of the treatment they receive), 3-period study to investigate the pharmacokinetic (what the body does to the medication) interaction of steady-state (constant concentrations in your blood resulting from a fixed dosing regimen) rilpivirine and steady-state rifabutin. Twenty healthy participants will be enrolled and will receive 3 different treatments (treatment A: rilpivirine 25 mg once daily administered daily for 11 days; treatment B: rilpivirine 50 mg once daily administered for 11 days + rifabutin 300 mg daily administered for 17 days; treatment C: rilpivirine (in a regimen to be determined based on an interim analysis of treatments A and B) administered for 11 days + rifabutin 300 mg daily administered for 17 days). All 20 participants will be randomized (the study drug is assigned by chance) to receive treatments A (10 participants) and treatment B (10 participants) and there will be a washout period of at least 21 days between treatments A and B. After all participants have completed treatments A and B, there will be an interim analysis to decide upon the dosing regimen for rilpivirine in treatment C (the rilpivirine regimen in treatment C could be either once daily or twice daily with a total daily dose of rilpivirine between 25 and 75 mg). All 20 participants will receive treatment C. Safety and tolerability will be evaluated throughout the study. ;

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01615614
Study type Interventional
Source Janssen R&D Ireland
Contact
Status Completed
Phase Phase 1
Start date April 2012
Completion date September 2012
View Details
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