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The Effect Of Fluconazole On Pharmacokinetics Of Fesoterodine In Healthy Subjects

An Open-Label, Randomized, Two-Way Crossover Study To Evaluate The Effect Of Fluconazole, A Moderate CYP3A4 Inhibitor, On The Single-Dose Pharmacokinetics Of Fesoterodine In Healthy Subjects.

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00911235
Enrollment
28
Registered
2009-06-01
Start date
2009-05-31
Completion date
2009-07-31
Last updated
2011-06-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Overactive Bladder With Symptoms of Frequency, Urgency, and Urge Urinary Incontinence

Keywords

The Effect Of Fluconazole On Pharmacokinetics Of Fesoterodine In Healthy Subjects

Brief summary

This study is designed to estimate the effect of fluconazole (200 mg BID for 2 days), a moderate CYP3A4 inhibitor on the pharmacokinetics of a single 8 mg oral dose of fesoterodine in healthy adult subjects.

Interventions

DRUGFesoterodine

Single 8 mg oral dose of fesoterodine

DRUGfesoterodine plus fluconazole

On Day 1, fluconazole (200 mg oral dose) will be given 1 hour before and approximately 11 hour following a single 8 mg oral dose of fesoterodine (fesoterodine SD). Fluconazole will also be administered 200 mg BID on the Day 2 (ie, at approximately 24 and 36 hours following the fesoterodine SD treatment given on Day 1)

Sponsors

Pfizer
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy subjects between the ages of 18 and 55 years

Exclusion criteria

* Not healthy subjects. subjects with acute or chronic medical or psychiatric condition or laboratory abnormality

Design outcomes

Primary

MeasureTime frame
AUCinf and Cmax of 5-HMT3 days per period

Secondary

MeasureTime frame
AUClast, Tmax and half-life of 5-HMT as data permit.3 days per period
Safety will be assessed by subjective symptoms/objective findings including physical examination findings, clinical safety laboratory assessments and adverse event monitoring.3 days per period

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026