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A Study to Explore the Pharmacodynamic Changes When Transitioning From Rivaroxaban to Warfarin in Healthy Volunteers

Healthy Clinical Trial

Official title:
An Open-Label, Non-Randomized, Sequential Two-Treatment Period Study to Explore the Pharmacodynamic Changes When Transitioning From Rivaroxaban to Warfarin

Clinical Trial Summary

The purpose of this study is to explore the pharmacodynamic (what the drug does to the body) changes when transitioning from rivaroxaban 20 mg once daily to warfarin dosed to a therapeutic level as measured by the International Normalized Ratio (INR) range of 2.0 to 3.0 in healthy volunteers. In addition, the pharmacokinetics (what the body does to the drug), safety and tolerability of rivaroxaban during the transition to warfarin will be investigated. The INR is obtained from a blood test, and is a measure for the clotting tendency of the blood used for safe and adequate dosing of warfarin.

Clinical Trial Description

This is a single-center, open-label (study staff and healthy volunteers will know the identity of treatment assigned), sequential 2-treatment period study in healthy adult volunteers to explore the pharmacodynamic changes (changes drugs have on the body), specifically in regard to blood coagulation (blood clotting) when healthy volunteers take oral (by mouth) rivaroxaban followed by warfarin. Treatment Period 1: Rivaroxaban 20 mg/day for 5 days then Rivaoxaban 20 mg/day + Warfarin 10 mg/day for 2-4 days then warfarin 0-15 mg/day for 4 days. Treatment Period 2: Warfarin 10 mg/day for 2-4 days, then 0-15 mg/day for 4 days. Treatment periods 1 and 2 will be separated by a washout period of at least 14 days. In Treatment Periods 1 and 2, the dose of warfarin may be adjusted as specified by the protocol and the last dose of warfarin in each Treatment period will be followed by a single dose of Vitamin K. The approximate total study length for healthy adult volunteers enrolled is approximately 72 days (includes a 28-day Screening Period, a 30-day Open-label Treatment Phase, which includes the 7 days for a follow-up visit, and at least a 14-day washout between treatment periods). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01400646
Study type Interventional
Source Janssen Research & Development, LLC
Contact
Status Completed
Phase Phase 1
Start date October 2011
Completion date May 2012
View Details
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