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To Test The Relative Bioavailability Of PF-04191834 When Dosed As An Immediate Release Tablet Compared With Solution Following Single And Multiple Dosing

This study has been completed.
Information provided by:
Pfizer Identifier:
First received: September 1, 2009
Last updated: February 5, 2010
Last verified: February 2010
To test the relative bioavailability of PF-04191834 when dosed as an Immediate Release tablet compared with solution following single and multiple dosing.

Condition Intervention Phase
Asthma Drug: PF-04191834 Phase 1

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: An Open Randomised 4-Way Crossover Single Dose And A Parallel Group Multiple Dose Comparative Pharmacokinetic Study Of The PF-04191834 Phase 2 Tablet And The Phase 1 Dispersion Formulations.

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • pharmacokinetic parameters of PF-04191834 [ Time Frame: hours ]

Secondary Outcome Measures:
  • maximum concentration

Biospecimen Retention:   Samples With DNA
whole blood, plasma, urine, saliva

Estimated Enrollment: 20
Study Start Date: September 2009
Study Completion Date: November 2009
Primary Completion Date: November 2009 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
relative bioavailability Drug: PF-04191834
PF-04191834. 100mg Immediate Release Tablets or oral suspension


Ages Eligible for Study:   21 Years to 55 Years   (Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
young, healthy male volunteers

Inclusion Criteria:

  • Healthy male subjects between the ages of 18 and 55 years, inclusive (Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurement, 12-lead ECG and clinical laboratory tests).
  • Body Mass Index (BMI) of approximately 17.5 kg/m2 to 30.5 kg/m2 and a total body weight > 50 kg (110 lbs).
  • An informed consent document signed and dated by the subject or a legally acceptable representative.
  • Subjects who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures.
  • Subjects who have urinary LTE4 levels greater than or equal to 30 pg/mg Creatinine at screening following spot urinary collection for Cohort 2.

Exclusion Criteria:

  • Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing).
  • Any condition possibly affecting drug absorption (eg, gastrectomy).
  • A positive urine drug screen.
  Contacts and Locations
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Please refer to this study by its identifier: NCT01064804

Pfizer Investigational Site
Bruxelles, Belgium, 1070
Sponsors and Collaborators
Study Director: Pfizer Call Center Pfizer
  More Information

Additional Information:
Responsible Party: Director, Clinical Trial Disclosure Group, Pfizer, Inc. Identifier: NCT01064804     History of Changes
Other Study ID Numbers: B0041005
Study First Received: September 1, 2009
Last Updated: February 5, 2010 processed this record on September 21, 2017