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A Study To Assess the Effects Of PF-04457845 On BOLD fMRI In Subjects With Post Traumatic Stress Disorder

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NCT02216097

Last updated on April 2, 2020
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Study Location
Clinical and Translational Science Institute (CTSI)
New York, New York, 10016 United States
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Contact
1-800-718-1021
[email protected]
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Eligibility criteria
Condition
The disease, disorder, syndrome, illness, or injury that is being studied.
Post-Traumatic Stress Disorder
Sex
Females and Males
Age
Pediatric Trials: 0-17 Years
Adult Trials: 18+ Years
18-60 years
Inclusion criteria
The factors, or reasons, that allow a person to participate in a clinical study.
Show details

- Men and women 18-60 years of age with a primary psychiatric diagnosis of Post
Traumatic Stress Disorder

Exclusion criteria
The factors, or reasons, that prevent a person from participating in a clinical study.
Show details

- Other psychiatric illness requiring current treatment with medication.

NCT02216097
Pfizer
Terminated
A Study To Assess the Effects Of PF-04457845 On BOLD fMRI In Subjects With Post Traumatic Stress Disorder

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Descriptive Information
Brief Title  ICMJE A Study To Assess the Effects Of PF-04457845 On BOLD fMRI In Subjects With Post Traumatic Stress Disorder
Official Title  ICMJE A Randomized, Double Blind, Placebo Controlled, Parallel Group Phase 2 Study To Assess Effects Of Pf 04457845 On Bold Functional Mri In Subjects With Ptsd
Brief Summary The purpose of the study is to evaluate proof of mechanism of PF-04457845, using a well-established neuroimaging paradigm including behavioral tasks selected to activate neuro-circuitry relevant to Post Traumatic Stress Disorder. It is hypothesized that PF-04457845 will modulate the Blood-oxygen-level dependent Functional Magnetic Resonance Imaging signal from the relevant neuro-circuits in patients with Post Traumatic Stress Disorder.
Detailed Description This is a Phase II, randomized, placebo-controlled, parallel group design study in male and female subjects with moderate-to-severe Post Traumatic Stress Disorder between the ages of 18 and 60 years old. During this study, a dose of 4 mg PF-04457845 will be administered in the morning on Days 1-7. On Each subject will undergo a resting state fMRI (pre and post and day 8), a fearful vs. neutral faces fMRI task and a fear extinction fMRI paradigm. The Emotional Faces Paradigm and resting state tasks will be performed on Day 1 (prior to drug or placebo) and on Day 8. Acquisition of fear conditioning will be performed during the first imaging session on Day 1. After the first imaging session on Day 1, subjects will complete behavioral rating scales and then be dosed. Approximately six hours after dosing subjects will re-enter the scanner and perform the fear extinction paradigm. On Day 2, subjects will perform the fear extinction memory retention task within the scanner. Further physiological monitoring, including skin conductance and heart rate, will take place during the fear extinction paradigm. One safety follow-up visit will occur between Days 11-18.
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 2
Study Design  ICMJE Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Condition  ICMJE Post-Traumatic Stress Disorder
Intervention  ICMJE
  • Drug: PF-04457845
    4mg PF-04457845 tablet taken once daily for 7 days.
  • Drug: Placebo
    Matching placebo tablet taken once daily for 7 days.
Study Arms  ICMJE
  • Experimental: Treatment
    Intervention: Drug: PF-04457845
  • Placebo Comparator: Placebo
    Intervention: Drug: Placebo
Publications * Not Provided


*   Includes publications given by the data provider as well as publications
identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Terminated
Actual Enrollment  ICMJE
 (submitted: November 12, 2015) 		14
Original Estimated Enrollment  ICMJE
 (submitted: August 12, 2014) 		50
Actual Study Completion Date  ICMJE March 2015
Actual Primary Completion Date March 2015   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Men and women 18-60 years of age with a primary psychiatric diagnosis of Post Traumatic Stress Disorder

Exclusion Criteria:

  • Other psychiatric illness requiring current treatment with medication.
Sex/Gender  ICMJE
Sexes Eligible for Study: All
Ages  ICMJE 18 Years to 60 Years   (Adult)
Accepts Healthy Volunteers  ICMJE No
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE United States
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT02216097
Other Study ID Numbers  ICMJE B0541013
Has Data Monitoring Committee No
U.S. FDA-regulated Product Not Provided
IPD Sharing Statement  ICMJE Not Provided
Responsible Party Pfizer
Study Sponsor  ICMJE Pfizer
Collaborators  ICMJE Not Provided
Investigators  ICMJE
Study Director: Pfizer CT.gov Call Center Pfizer
PRS Account Pfizer
Verification Date May 2016

ICMJE     Data element required by the

International Committee of Medical Journal Editors and the
World Health Organization ICTRP

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