A Study to Evaluate the Pharmacodynamic Effects of Single Oral Doses of PF-06648671 on β-Amyloid (Aβ) Concentrations in Cerebrospinal Fluid (CSF)

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NCT02407353

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Study Location
California Clinical Trials Medical Group, Inc.
Glendale, California, 91206, United States
See other locations
Contact
1-800-718-1021
[email protected]
Related Links

FOR MORE INFORMATION

Contact a representative by phone, email, or visiting the study website. Please see the references below:

By phone

Pfizer Clinical Trials Contact Center

1-800-718-1021

By email

Contact

[email protected]

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Eligibility Criteria
condition
The disease, disorder, syndrome, illness, or injury that is being studied.
Healthy Subjects
Sex
Females and Males
Age
Pediatric Trials: 0-17 Years
Adult Trials: 18+ Years
18-55 years
Inclusion Criteria
The factors, or reasons, that allow a person to participate in a clinical study.
Show details

- Healthy male and/or female subjects of non childbearing potential

- BMI of 17.5 to 30.5 kg/m2 and a total body weight >50 kg (110 lbs)

- Evidence of a personally signed and dated informed consent document indicating that subject has been informed of all pertinent aspects of the study.

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


- 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 the time of dosing)


- Treatment with an investigational drug within 30 days (or as determined by the local
requirement) or 5 half-lives preceding the first dose of study medication (whichever
is longer)


- Subjects with a history of significant active bleeding, coagulation disorder or
clinically significant finding on prothrombin time/ partial thromboplastin
time/International Normalized Ratio (PT/PTT/INR) at Screening


- Subjects with lower spinal malformations (on physical examination), local spinal
infection, or other abnormalities that would exclude puncture (LP)


- Other severe acute or chronic medical or psychiatric condition or laboratory
abnormality that may increase the risk associated with study participation or
investigational product administration or may interfere with the interpretation of
study results and, in the judgment of the investigator, would make the subject
inappropriate for entry into this study

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Pfizer Clinical Trials Contact Center

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ClinicalTrials.gov_Inquir[email protected]

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Advanced Information
Descriptive Information
Brief Title  ICMJE A Study to Evaluate the Pharmacodynamic Effects of Single Oral Doses of PF-06648671 on ?-Amyloid (A?) Concentrations in Cerebrospinal Fluid (CSF)
Official Title  ICMJE A Phase 1 Investigator-and-subject Blind, Randomized, Placebo Controlled, Parallel Study In Healthy Subjects To Evaluate The Pharmacodynamic Effects Of Single Oral Doses Of Pf-06648671 On A? Concentrations In Cerebrospinal Fluid Using Serial Sampling Methodology
Brief Summary This is phase 1 investigator-and-subject blind, sponsor open, randomized, placebo controlled, parallel study in healthy subjects to evaluate the pharmacodynamics effect of single oral doses of PF-06648671 on CSF A? concentrations using serial CSF sampling methodology.
Detailed Description This study is investigator-and-subject blind, sponsor open, randomized, placebo-controlled, parallel study in healthy subjects to evaluate central (CSF) and peripheral (plasma) pharmacodynamics effects (Abeta) over 36 hours post single doses of PF-06648671. Two cohorts will be run in sequential. the first cohort is to evaluate the Abeta effect at top dose of 300 mg PF-06648671 and second cohort is to evaluate the Abeta effect at top dose (if more subjects are required) and/or 1-2 lower doses
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 1
Study Design  ICMJE Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Investigator, Outcomes Assessor)
Primary Purpose: Basic Science
Condition  ICMJE Healthy Subjects
Intervention  ICMJE
  • Drug: PF-06648671
    Experimental Pfizer compound which will be dosed as oral suspension, single dose at 300 mg and/or 1-2 lower doses
  • Drug: Placebo
    Placebo which will be dosed as oral suspension, single doses to match PF-06648671
Study Arms  ICMJE
  • Experimental: PF-06648671 High dose group
    subjects receive a single oral dose of PF-06648671 at 300 mg
    Intervention: Drug: PF-06648671
  • Experimental: PF-06648671 Low dose group
    Subjects receive a single oral dose of PF-06648671 lower than 300 mg dose
    Intervention: Drug: PF-06648671
  • Placebo Comparator: Placebo group
    Subjects receive matching placebo
    Intervention: Drug: Placebo
  • Experimental: PF-06648671 Low dose group (2)
    Optional arm. Subjects receive a single oral dose of PF-06648671 at second lower dose if 300 mg dose is not repeated in cohort 2
    Intervention: Drug: PF-06648671
Publications * Ahn JE, Carrieri C, Dela Cruz F, Fullerton T, Hajos-Korcsok E, He P, Kantaridis C, Leurent C, Liu R, Mancuso J, Mendes da Costa L, Qiu R. Pharmacokinetic and Pharmacodynamic Effects of a ?-Secretase Modulator, PF-06648671, on CSF Amyloid-? Peptides in Randomized Phase I Studies. Clin Pharmacol Ther. 2020 Jan;107(1):211-220. doi: 10.1002/cpt.1570. Epub 2019 Sep 11.

*   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 Completed
Actual Enrollment  ICMJE
 (submitted: March 21, 2016)		22
Original Estimated Enrollment  ICMJE
 (submitted: March 30, 2015)		30
Actual Study Completion Date  ICMJE March 2016
Actual Primary Completion Date March 2016   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Healthy male and/or female subjects of non childbearing potential
  • BMI of 17.5 to 30.5 kg/m2 and a total body weight >50 kg (110 lbs)
  • Evidence of a personally signed and dated informed consent document indicating that subject has been informed of all pertinent aspects of the study.

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 the time of dosing)
  • Treatment with an investigational drug within 30 days (or as determined by the local requirement) or 5 half-lives preceding the first dose of study medication (whichever is longer)
  • Subjects with a history of significant active bleeding, coagulation disorder or clinically significant finding on prothrombin time/ partial thromboplastin time/International Normalized Ratio (PT/PTT/INR) at Screening
  • Subjects with lower spinal malformations (on physical examination), local spinal infection, or other abnormalities that would exclude puncture (LP)
  • Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or investigational product administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the subject inappropriate for entry into this study
Sex/Gender  ICMJE
Sexes Eligible for Study:All
Ages  ICMJE 18 Years to 55 Years   (Adult)
Accepts Healthy Volunteers  ICMJE Yes
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 NCT02407353
Other Study ID Numbers  ICMJE B7991003
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 CenterPfizer
PRS Account Pfizer
Verification Date March 2016

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP