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NCT00914667 · ClinicalTrials.gov registry record · Phase 1

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

A Phase 1 study, sponsored by Pfizer.

Completed
Registry status
Phase 1
Development phase
14
Enrollment target

NCT00914667: Completed Phase 1 study, sponsored by Pfizer.

NCT00914667 is a Phase 1 study that has completed, run by Pfizer. The registered enrollment target is 14 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (77% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00914667, a Phase 1 study, has completed, sponsored by Pfizer.

COMPLETED
Registry status
Phase 1
Development phase
14 participants
Enrollment target

Study Summary

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.

Interventions

  • DRUG warfarin
  • DRUG Warfarin plus Fesoterodine

Trial Details

FieldValue
Enrollment Target 14 participants
Start Date 2009-07
Est. Completion 2009-08
Phase Phase 1
Pfizer

1,845 total trials

What the finished NCT00914667 record still lists

NCT00914667 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 14 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (77% lower).

The record links to 0 conditions, and to 2 interventions - of which warfarin is the first listed.

NCT00914667 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00914667 about?

NCT00914667 is a clinical study titled "The Effect Of Fesoterodine On Pharmacokinetics And Pharmacodynamics 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.

What is the current status of trial NCT00914667?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 14 participants. The study started on 2009-07. Estimated completion is 2009-08.

What interventions are being tested in trial NCT00914667?

The interventions under investigation include: warfarin (DRUG), Warfarin plus Fesoterodine (DRUG).

Who is sponsoring clinical trial NCT00914667?

This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00914667's enrollment target sits among peer trials

14 1844th of 2000 higher than 154 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00914667, the US trial registry maintained by the National Library of Medicine. NCT00914667 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.