A Bioequivalence Study Of 4 Mg Fesoterodine Extended-Release Tablets (Toviaz™) In Healthy Subjects

This study has been completed.
Information provided by:
ClinicalTrials.gov Identifier:
First received: May 14, 2009
Last updated: June 24, 2010
Last verified: June 2010
To demonstrate bioequivalence of fesoterodine 4 mg tablets manufactured at Vega Baja, versus Zwickau.

Condition Intervention Phase
Treatment of Overactive Bladder
Drug: Fesoterodine
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Bio-equivalence Study
Intervention Model: Crossover Assignment
Masking: Open Label
Official Title: An Open-Label, Randomized, Single-Dose, Two-Way Crossover Bioequivalence Study Of 4 Mg Fesoterodine Extended-Release Tablets (Toviaz™), Manufactured At Zwickau Versus Vega Baja, In Healthy Subjects.

Resource links provided by NLM:

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • AUCinf, AUClast, and Cmax of 5-HMT [ Time Frame: 6 weeks ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Tmax and half-life of 5-HMT as data permit [ Time Frame: 6 weeks ] [ Designated as safety issue: No ]
  • Safety laboratory tests and adverse events [ Time Frame: 6 weeks ] [ Designated as safety issue: No ]

Enrollment: 36
Study Start Date: May 2009
Study Completion Date: June 2009
Primary Completion Date: June 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
fesoterodine (Toviaz™ 4 mg) tablet manufactured at Zwickau (Reference)
Drug: Fesoterodine
A fesoterodine extended-release tablet (ER) formulation once daily administration of 4 mg
Other Name: Toviaz 4 mg
fesoterodine (Toviaz™ 4 mg) tablet manufactured at Vega Baja (Test)
Drug: Fesoterodine
A fesoterodine extended-release tablet (ER) formulation once daily administration of 4 mg
Other Name: Toviaz 4 mg


Ages Eligible for Study:   18 Years to 55 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Healthy male and/or female subjects
  • Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight >50 kg (110 lbs).

Exclusion Criteria:

  • Subjects with evidence or history of clinically significant urologic diseases
  • A positive urine drug screen
  • Pregnant or nursing females; females of childbearing potential who are unwilling or unable to use an acceptable method
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Please refer to this study by its ClinicalTrials.gov identifier: NCT00902187

United States, Connecticut
Pfizer Investigational Site
New Haven, Connecticut, United States, 06511
Sponsors and Collaborators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

Responsible Party: Director, Clinical Trial Disclosure Group, Pfizer, Inc.
ClinicalTrials.gov Identifier: NCT00902187     History of Changes
Other Study ID Numbers: A0221081 
Study First Received: May 14, 2009
Last Updated: June 24, 2010
Health Authority: United States: Food and Drug Administration

Keywords provided by Pfizer:

Additional relevant MeSH terms:
Urinary Bladder, Overactive
Lower Urinary Tract Symptoms
Signs and Symptoms
Urinary Bladder Diseases
Urologic Diseases
Urological Manifestations
Cholinergic Agents
Cholinergic Antagonists
Molecular Mechanisms of Pharmacological Action
Muscarinic Antagonists
Neurotransmitter Agents
Physiological Effects of Drugs
Urological Agents

ClinicalTrials.gov processed this record on May 22, 2016