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A Study To Evaluate The Safety, Tolerability And Plasma Drug Levels Of PF-04447943 When Administered With Donepezil To Healthy Volunteer Subjects

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01097876
First Posted: April 2, 2010
Last Update Posted: August 4, 2010
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
Pfizer
  Purpose
The purpose of this study is to evaluate the safety and tolerability of PF-04447943, before and after multiple doses of donepezil in healthy volunteers. Evaluate the plasma drug levels of both PF-04447943 and donepezil.

Condition Intervention Phase
Healthy Drug: PF-04447943 25 mg Drug: Placebo PF Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double (Participant, Investigator)
Official Title: A Phase 1, Double-Blind, Placebo-Controlled, Sponsor Open, Randomized, Multiple Dose Study To Evaluate The Safety, Tolerability, And Pharmacokinetics Of PF-04447943 In Healthy Volunteers When Combined With Donepezil

Resource links provided by NLM:


Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Steady state PF 04447943 Cmax and AUCtau. [ Time Frame: up through day 44 ]
  • Steady state Donepezil Cmax and AUCtau. [ Time Frame: up through day 44 ]
  • Safety endpoints include vital signs, ECGs, clinical laboratory tests, clinical examinations, and adverse events. [ Time Frame: up through day 44 ]

Secondary Outcome Measures:
  • There are no Secondary Endpoints [ Time Frame: There are no Secondary Endpoints ]

Enrollment: 24
Study Start Date: April 2010
Study Completion Date: July 2010
Primary Completion Date: July 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Active PF-04447943 Drug: PF-04447943 25 mg
25 mg PF-04447943 BID for 7 days (period 1) 7 day washout (no drug) 7 days of 5 mg donepezil QD; 14 days 10 mg QD (Period 2) 7 days of 10 mg donepezil QD and 25 mg PF-04447943 BID (Period 3)
Placebo Comparator: Placebo PF-04447943 Drug: Placebo PF
Placebo BID for 7 days (period 1) 7 day washout (no drug) 7 days of 5 mg donepezil QD; 14 days 10 mg QD (Period 2) 7 days of 10 mg donepezil QD and Placebo BID (Period 3)

Detailed Description:
Evaluate the safety and tolerability of PF-04447943, before and after multiple doses of donepezil in healthy volunteers. Evaluate the plasma drug levels of both PF-04447943 and donepezil.
  Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   21 Years to 55 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Healthy male and/or female of non-childbearing potential subjects between the ages of 21 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).

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).
  • Pregnant or nursing females; females of childbearing potential.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01097876


Locations
Singapore
Pfizer Investigational Site
Singapore, Singapore, 188770
Sponsors and Collaborators
Pfizer
Investigators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

Additional Information:
Responsible Party: Director, Clinical Trial Disclosure Group, Pfizer, Inc.
ClinicalTrials.gov Identifier: NCT01097876     History of Changes
Other Study ID Numbers: B0401012
First Submitted: March 23, 2010
First Posted: April 2, 2010
Last Update Posted: August 4, 2010
Last Verified: August 2010

Keywords provided by Pfizer:
healthy volunteer
pharmacokinetic
safety

Additional relevant MeSH terms:
Donepezil
Cholinesterase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Cholinergic Agents
Neurotransmitter Agents
Physiological Effects of Drugs
Nootropic Agents