The Effect Of Fesoterodine On Pharmacokinetics And Pharmacodynamics Of Warfarin In Healthy Subjects

May 31, 2011 updated by: Pfizer

An Open-Label, Randomized, Two-Way Crossover Study To Evaluate The Steady-State Effect Of Fesoterodine On The Pharmacokinetics And Pharmacodynamics Of A Single Supratherapeutic Dose Of Warfarin In Healthy Subjects.

This is an open-label, randomized, two-way crossover study to evaluate the steady-state effect of fesoterodine (8 mg QD) on the pharmacodynamics and pharmacokinetics of a single supratherapeutic dose of warfarin (25 mg) in healthy subjects.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Anticipated)

14

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Connecticut
      • New Haven, Connecticut, United States, 06511
        • Pfizer Investigational Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 55 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Healthy male and/or female subjects between the ages of 18 and 55 years

Exclusion Criteria:

  • Not healthy subjects--subjects with acute or chronic medical or psychiatric conditions or laboratory abnormality

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Warfarin Alone
Reference treatment
Drug: warfarin
Single Dose Warfarin 25 mg on Day 1
Experimental: Warfarin Concomitantly With Fesoterodine
Test treatment
Drug: Warfarin plus Fesoterodine
Fesoterodine 8 mg ER tablets QD for 9 Days and Single Dose Warfarin 25 mg on Day 3

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Cmax and AUCinf for both S- and R-warfarin
Time Frame: 8 days per period
8 days per period
AUC_INR and INRmax
Time Frame: 8 days per period
8 days per period

Secondary Outcome Measures

Outcome Measure
Time Frame
AUClast, Tmax and t½ for both S- and R-warfarin
Time Frame: 8 days per period
8 days per period
AUC_PT and PTmax
Time Frame: 8 days per period
8 days per period
Safety will be assessed by subjective symptoms/objective findings including physical examinations, clinical safety laboratory assessments, 12-lead ECGs, vital sign measurements and adverse event monitoring.
Time Frame: 8 days per period
8 days per period

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Pfizer

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

July 1, 2009

Primary Completion (Actual)

August 1, 2009

Study Completion (Actual)

August 1, 2009

Study Registration Dates

First Submitted

June 3, 2009

First Submitted That Met QC Criteria

June 3, 2009

First Posted (Estimate)

June 5, 2009

Study Record Updates

Last Update Posted (Estimate)

June 1, 2011

Last Update Submitted That Met QC Criteria

May 31, 2011

Last Verified

May 1, 2011

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • A0221079

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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