NCT01103726

Brief Summary

We hypothesize that PF-02545920 will increase glucose metabolism in a part of the brain called the striatum.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
34

participants targeted

Target at P50-P75 for phase_1 healthy

Timeline
Completed

Started May 2010

Longer than P75 for phase_1 healthy

Geographic Reach
1 country

3 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 13, 2010

Completed
2 days until next milestone

First Posted

Study publicly available on registry

April 15, 2010

Completed
16 days until next milestone

Study Start

First participant enrolled

May 1, 2010

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2011

Completed
Last Updated

November 16, 2011

Status Verified

November 1, 2011

Enrollment Period

1.5 years

First QC Date

April 13, 2010

Last Update Submit

November 11, 2011

Conditions

Keywords

FDG-PETregional cerebral glucose metabolismstriatumPDE10 inhibitor

Outcome Measures

Primary Outcomes (1)

  • Glucose metabolic rates in striatum using standard Region of Interest (ROI) analysis method.

    Stage 1: Day 1, 8. Stage 2: Day 1, 8, 15.

Secondary Outcomes (7)

  • Whole brain glucose metabolic rate.

    Stage 1: Day 1, 8. Stage 2: Day 1, 8, 15.

  • Relative glucose metabolic rate in striatum.

    Stage 1: Day 1, 8. Stage 2: Day 1, 8, 15.

  • Glucose metabolic rate in striatal subregions: putamen and caudate nucleus.

    Stage 1: Day 1, 8. Stage 2: Day 1, 8, 15.

  • Relative glucose metabolic rate in striatal subregions: putamen and caudate nucleus.

    Stage 1: Day 1, 8. Stage 2: Day 1, 8, 15.

  • Glucose metabolic rate in striatum determined using data-driven ROI analysis method.

    Stage 1: Day 1, 8. Stage 2: Day 1, 8, 15.

  • +2 more secondary outcomes

Study Arms (2)

Stage 1

EXPERIMENTAL
Drug: PF-02545920Drug: placebo

Stage 2

EXPERIMENTAL
Drug: PF-02545920Drug: Placebo

Interventions

1 and 5 mg tablets, 6 mg single dose

Stage 1

matching placebo tablets, single dose

Stage 1

Eligibility Criteria

Age18 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy right-handed male and female subjects between the ages of 18 and 55 years, inclusive
  • Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight \>50 kg (110 lbs)
  • An informed consent document signed and dated by the subject
  • Subjects who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures

You may not qualify if:

  • Women of reproductive potential
  • History of agranulocytosis or movement disorder
  • Positron Emission Tomography (PET) or Magnetic Resonance Imaging (MRI) contraindications

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Pfizer Investigational Site

New Haven, Connecticut, 06511, United States

Location

Pfizer Investigational Site

New Haven, Connecticut, 06519, United States

Location

Pfizer Investigational Site

New Haven, Connecticut, 06520, United States

Location

Related Links

MeSH Terms

Interventions

2-((4-(1-methyl-4-pyridin-4-yl-1H-pyrazol-3-yl)phenoxy)methyl)quinoline

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 13, 2010

First Posted

April 15, 2010

Study Start

May 1, 2010

Primary Completion

November 1, 2011

Study Completion

November 1, 2011

Last Updated

November 16, 2011

Record last verified: 2011-11

Locations