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Multiple Ascending Doses of PF-04958242 in Subjects With Stable Schizophrenia (MAD)

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ClinicalTrials.gov Identifier: NCT02332798
Recruitment Status : Completed
First Posted : January 7, 2015
Results First Posted : June 14, 2016
Last Update Posted : December 4, 2019
Sponsor:
Information provided by (Responsible Party):
Biogen

Tracking Information
First Submitted Date  ICMJE December 5, 2014
First Posted Date  ICMJE January 7, 2015
Results First Submitted Date  ICMJE March 2, 2016
Results First Posted Date  ICMJE June 14, 2016
Last Update Posted Date December 4, 2019
Study Start Date  ICMJE January 2015
Actual Primary Completion Date April 2015   (Final data collection date for primary outcome measure)
Current Primary Outcome Measures  ICMJE
 (submitted: May 6, 2016)
  • Maximum Observed Plasma Concentration (Cmax) (Single Dose) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, and 12 hours post-dose) ]
  • Cmax (Steady State) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post-dose), Day 2, Day 7 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose), Day 8, Day 10, Day 14 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose) ]
    Cmax steady state for PF-04958242 0.25 mg group and PF-04958242 0.475 mg group at Day 14 were presented.
  • Time for Cmax (Tmax) (Single Dose) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, and 12 hours post-dose) ]
  • Tmax (Steady State) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post-dose), Day 2, Day 7 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose), Day 8, Day 10, Day 14 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose) ]
    Tmax steady state for PF-04958242 0.25 mg group and PF-04958242 0.475 mg group at Day 14 were presented.
  • Area Under the Concentration-Time Profile From Time 0 to Time Tau (τ), the Dosing Interval, Where τ = 12 Hours (AUCτ) (Single Dose) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, and 12 hours post-dose) ]
  • AUCτ (Steady State) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post-dose), Day 2, Day 7 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose), Day 8, Day 10, Day 14 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose) ]
    AUCτ steady state for PF-04958242 0.25 mg group and PF-04958242 0.475 mg group at Day 14 were presented.
  • Apparent Oral Clearance (CL/F) (Steady State) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post-dose), Day 2, Day 7 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose), Day 8, Day 10, Day 14 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose) ]
    Clearance of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes. Clearance obtained after oral dose (apparent oral clearance) is influenced by the fraction of the dose absorbed. Clearance was estimated from population pharmacokinetic modeling. Drug clearance is a quantitative measure of the rate at which a drug substance is removed from the blood. CL/F steady state for PF-04958242 0.25 mg group and PF-04958242 0.475 mg group at Day 14 were presented.
  • Apparent Volume of Distribution (Vz/F) (Steady State) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post-dose), Day 2, Day 7 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose), Day 8, Day 10, Day 14 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose) ]
    Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. Apparent volume of distribution after oral dose (Vz/F) is influenced by the fraction absorbed. Vz/F steady state for PF-04958242 0.25 mg group and PF-04958242 0.475 mg group at Day 14 were presented.
  • Terminal Half-Life (t1/2) (Steady State) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post-dose), Day 2, Day 7 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose), Day 8, Day 10, Day 14 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose) ]
    Terminal half-life is the time measured for the plasma concentration to decrease by one half. t1/2 steady state for PF-04958242 0.25 mg group and PF-04958242 0.475 mg group at Day 14 were presented.
  • Observed Accumulation Ratio (Rac) (Steady State) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post-dose), Day 2, Day 7 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose), Day 8, Day 10, Day 14 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose) ]
    Accumulation ratio was calculated as, Rac obtained from Area Under the Concentration Time Curve (AUC) from time 0-t (Day X) divided by AUC from time 0-t (Day 1). Rac steady state for PF-04958242 0.25 mg group and PF-04958242 0.475 mg group at Day 14 (ie. X = 14) were presented.
  • Observed Accumulation Ratio for Cmax (Rac, Cmax) (Steady State) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post-dose), Day 2, Day 7 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose), Day 8, Day 10, Day 14 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose) ]
    Accumulation ratio based on Cmax was calculated as: Rac,Cmax = Cmax at steady state (ss) divided by Cmax at first dose. Rac, Cmax steady state for PF-04958242 0.25 mg group and PF-04958242 0.475 mg group at Day 14 were presented.
  • Peak-to-Trough Ratio at Steady State (PTR) [ Time Frame: Day 1 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post-dose), Day 2, Day 7 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose), Day 8, Day 10, Day 14 (0, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 8, 12 hours post-dose) ]
    PTR was calculated as Cmax divided by Cmin (that is defined as lowest concentration observed during the dosing interval). PTR steady state for PF-04958242 0.25 mg group and PF-04958242 0.475 mg group at Day 14 were presented.
  • Number of Participants With Abnormal Clinical Laboratory Measurements [ Time Frame: Baseline up to Day 21 ]
    The following laboratory parameters were reported: hematology (hemoglobin, hematocrit, red blood cell [RBC] count, mean corpuscular volume [MCV], mean corpuscular hemoglobin [MCH], mean corpuscular hemoglobin concentration [MCHC], platelet count, white blood cell [WBC] count, total neutrophils, eosinophils, monocytes, basophils, lymphocytes); blood chemistry (blood urea nitrogen [BUN], creatinine, glucose, calcium, sodium, potassium, chloride, total bicarbonate, aspartate aminotransferase [AST], alanine aminotransferase [ALT], total bilirubin, alkaline phosphatase, phosphorus, cholesterol, high density lipoprotein (HDL), low density lipoprotein (LDL), bicarbonate, uric acid, albumin, and total protein); urinalysis (color, appearance, specific gravity, pH, glucose, protein, blood, ketones, nitrites, leukocyte esterase, and microscopy); others (follicle stimulating hormone [FSH], and urine drug screening).
  • Number of Participants With Vital Signs Data Meeting Criteria of Potential Clinical Concern [ Time Frame: Baseline up to Day 21 ]
    Vital signs assessment included pulse rate and blood pressure. Criteria for vital sign values meeting potential clinical concern included: supine/sitting pulse rate less than (<) 40 or greater than (>) 120 beats per minute (bpm), standing pulse rate <40 or >140 bpm; systolic blood pressure (SBP) greater than or equal to (>=) 30 millimeters of mercury (mm Hg) change from baseline in same posture or SBP <90 mm Hg, diastolic blood pressure (DBP) >=20 mm Hg change from baseline in same posture or DBP <50 mm Hg. IFB = increase from baseline; DFB = decrease from baseline.
  • Number of Participants With Electrocardiogram Data Meeting Criteria of Potential Clinical Concern [ Time Frame: Baseline up to Day 21 ]
    Electrocardiogram (ECG) parameters included beginning of the P wave until the beginning of the QRS complex (PR) interval, time from ECG Q wave to the end of the S wave corresponding to ventricle depolarization (QRS) interval, and QTc using Fridericia's formula (QTcF). Criteria for ECG changes meeting potential clinical concern included: PR interval >=300 milliseconds (msec) or >=25% increase when baseline is >200 msec and >=50% increase when baseline is less than or equal to (=<)200 msec; QRS interval >=140 msec or >=50% increase from baseline (IFB); and and QTcF >=450 to <480, 480 to <500 and >=500 msec. The number of participants with potentially clinically significant ECG findings at any visit were reported.
  • Number of Participants With Abnormalities in Neurological Examination [ Time Frame: Baseline up to Day 21 ]
    The extended neurological examination, performed by a board certified neurologist, included observation for cerebellar (intention) tremor and for non-cerebellar tremors (eg, resting or positional), finger, nose, heel, shin, Romberg, tandem walking, positional and gaze evoked nystagmus, reflexes, muscle strength, cranial nerves, sensory function of upper and lower extremities. The brief neurological examination included an assessment of motor and sensory function, cranial nerves, reflexes, non-cerebellar tremor (eg, resting or positional) and cerebellar function. The assessment of cerebellar function were complemented by the Scale for Assessment and Rating of Ataxia (SARA).
  • Number of Participants With Abnormalities in Physical Examination [ Time Frame: Baseline up to Day 21 ]
    A full physical examination included head, ears, eyes, nose, mouth, skin, heart and lung examinations, lymph nodes, gastrointestinal, musculoskeletal, and neurological systems. The brief physical examination focused on general appearance, the respiratory and cardiovascular systems, as well as towards participant reported symptoms.
  • Number of Participants With Adverse Events (AEs) [ Time Frame: Baseline up to 28 days after last study drug administration ]
    An AE was any untoward medical occurrence in a participant who received study drug. Treatment-emergent are events between first dose of study drug and up to 28 days after last dose that were absent before treatment or that worsened relative to pre-treatment state. AEs included both SAEs and non-SAEs.
  • Number of Participants With Positive Response to Columbia-Suicide Severity Rating Scale (C-SSRS) [ Time Frame: Baseline up to Day 21 ]
    The C-SSRS (mapped to Columbia Classification Algorithm of Suicide Assessment [C-CASA]) is an interview-based rating scale to systematically assess suicidal ideation and suicidal behavior. C-SSRS assessed whether participant experienced the following: completed suicide (1), suicide attempt (2) (response of "Yes" on "actual attempt"), preparatory acts toward imminent suicidal behavior (3)("Yes" on "preparatory acts or behavior"), suicidal ideation (4) ("Yes" on "wish to be dead", "non-specific active suicidal thoughts", "active suicidal ideation with methods without intent to act or some intent to act, without specific plan or with specific plan and intent), any suicidal behavior or ideation, self-injurious behavior (7)("Yes" on "Has participant engaged in non-suicidal self-injurious behavior").
Original Primary Outcome Measures  ICMJE
 (submitted: January 5, 2015)
  • Maximum Observed Plasma Concentration (Cmax) [ Time Frame: Days 1,7,14 at 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post dose ]
  • Time to Reach Maximum Observed Plasma Concentration (Tmax) [ Time Frame: Days 1,7,14 at 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post dose ]
  • Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0 - 8)] [ Time Frame: Days 1,7,14 at 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post dose ]
    AUC (0 - 8)= Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0 - 8). It is obtained from AUC (0 - t) plus AUC (t - 8).
  • Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) [ Time Frame: Days 1,7,14 at 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post dose ]
    Area under the plasma concentration time-curve from zero to the last measured concentration (AUClast)
  • Apparent Oral Clearance (CL/F) [ Time Frame: Days 1,7,14 at 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post dose ]
    Clearance of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes. Clearance obtained after oral dose (apparent oral clearance) is influenced by the fraction of the dose absorbed. Clearance was estimated from population pharmacokinetic (PK) modeling. Drug clearance is a quantitative measure of the rate at which a drug substance is removed from the blood.
  • Apparent Volume of Distribution (Vz/F) [ Time Frame: Days 1,7,14 at 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 12 hours post dose ]
    Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. Apparent volume of distribution after oral dose (Vz/F) is influenced by the fraction absorbed.
  • Number of Participants with categorical scores on the Columbia Suicide Severity Rating Scale (C-SSRS) [ Time Frame: Baseline ]
    C-SSRS assessed whether participant experienced following: completed suicide (1), suicide attempt (2) (response of "Yes" on "actual attempt"), preparatory acts toward imminent suicidal behavior (3)("Yes" on "preparatory acts or behavior"), suicidal ideation (4) ("Yes" on "wish to be dead", "non-specific active suicidal thoughts", "active suicidal ideation with methods without intent to act or some intent to act, without specific plan or with specific plan and intent), any suicidal behavior or ideation, self-injurious behavior (7)("Yes" on "Has subject engaged in non-suicidal self-injurious behavior").
  • Number of Participants with categorical scores on the Columbia Suicide Severity Rating Scale (C-SSRS) [ Time Frame: Day 0 ]
    C-SSRS assessed whether participant experienced following: completed suicide (1), suicide attempt (2) (response of "Yes" on "actual attempt"), preparatory acts toward imminent suicidal behavior (3)("Yes" on "preparatory acts or behavior"), suicidal ideation (4) ("Yes" on "wish to be dead", "non-specific active suicidal thoughts", "active suicidal ideation with methods without intent to act or some intent to act, without specific plan or with specific plan and intent), any suicidal behavior or ideation, self-injurious behavior (7)("Yes" on "Has subject engaged in non-suicidal self-injurious behavior").
  • Number of Participants with categorical scores on the Columbia Suicide Severity Rating Scale (C-SSRS) [ Time Frame: Day 7 ]
    C-SSRS assessed whether participant experienced following: completed suicide (1), suicide attempt (2) (response of "Yes" on "actual attempt"), preparatory acts toward imminent suicidal behavior (3)("Yes" on "preparatory acts or behavior"), suicidal ideation (4) ("Yes" on "wish to be dead", "non-specific active suicidal thoughts", "active suicidal ideation with methods without intent to act or some intent to act, without specific plan or with specific plan and intent), any suicidal behavior or ideation, self-injurious behavior (7)("Yes" on "Has subject engaged in non-suicidal self-injurious behavior").
  • Number of Participants with categorical scores on the Columbia Suicide Severity Rating Scale (C-SSRS) [ Time Frame: Day 14 ]
    C-SSRS assessed whether participant experienced following: completed suicide (1), suicide attempt (2) (response of "Yes" on "actual attempt"), preparatory acts toward imminent suicidal behavior (3)("Yes" on "preparatory acts or behavior"), suicidal ideation (4) ("Yes" on "wish to be dead", "non-specific active suicidal thoughts", "active suicidal ideation with methods without intent to act or some intent to act, without specific plan or with specific plan and intent), any suicidal behavior or ideation, self-injurious behavior (7)("Yes" on "Has subject engaged in non-suicidal self-injurious behavior").
  • Number of Participants with categorical scores on the Columbia Suicide Severity Rating Scale (C-SSRS) [ Time Frame: F/U Day 21 ]
    C-SSRS assessed whether participant experienced following: completed suicide (1), suicide attempt (2) (response of "Yes" on "actual attempt"), preparatory acts toward imminent suicidal behavior (3)("Yes" on "preparatory acts or behavior"), suicidal ideation (4) ("Yes" on "wish to be dead", "non-specific active suicidal thoughts", "active suicidal ideation with methods without intent to act or some intent to act, without specific plan or with specific plan and intent), any suicidal behavior or ideation, self-injurious behavior (7)("Yes" on "Has subject engaged in non-suicidal self-injurious behavior").
Change History Complete list of historical versions of study NCT02332798 on ClinicalTrials.gov Archive Site
Current Secondary Outcome Measures  ICMJE Not Provided
Original Secondary Outcome Measures  ICMJE Not Provided
Current Other Pre-specified Outcome Measures Not Provided
Original Other Pre-specified Outcome Measures Not Provided
 
Descriptive Information
Brief Title  ICMJE Multiple Ascending Doses of PF-04958242 in Subjects With Stable Schizophrenia
Official Title  ICMJE A Randomized, Double-blind, Placebo Controlled, Sponsor Open, Parallel Group Phase 1b Study To Examine The Safety, Tolerability And Pharmacokinetics Of Multiple Ascending Doses Of Pf-04958242 In Subjects With Stable Schizophrenia
Brief Summary This study aims to assess the safety, tolerability and pharmacokinetics of PF-04958242 in multiple ascending doses in subjects with stable schizophrenia.
Detailed Description

This study aims to assess the safety, tolerability and pharmacokinetics of PF-04958242 compared to placebo over 14 days twice a day dosing in multiple ascending doses in subjects with stable schizophrenia.

This study was previously posted by Pfizer, Inc. Sponsorship of the trial was transferred to Biogen.

Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 1
Study Design  ICMJE Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Basic Science
Condition  ICMJE Schizophrenia
Intervention  ICMJE
  • Drug: PF-04958242
    Oral capsule, 0.20 mg, twice a day dosing for 14 days
  • Drug: Placebo
    Oral capsule, placebo, twice a day dosing for 14 days
  • Drug: PF-04958242
    Oral capsule, 0.35 mg, twice a day dosing for 14 days
Study Arms  ICMJE
  • Experimental: Cohort 1- PF-04958242 or placebo
    Subjects receiving PF-04958242 or placebo for the treatment phase of the study
    Interventions:
    • Drug: PF-04958242
    • Drug: Placebo
  • Experimental: Cohort 2- PF-04958242 or placebo
    Subjects receiving PF-04958242 or placebo for the treatment phase of the study
    Interventions:
    • Drug: PF-04958242
    • 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 Completed
Actual Enrollment  ICMJE
 (submitted: April 27, 2015)
39
Original Estimated Enrollment  ICMJE
 (submitted: January 5, 2015)
36
Actual Study Completion Date  ICMJE April 2015
Actual Primary Completion Date April 2015   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Psychiatrically stable (≥3 months) male and female subjects with schizophrenia of non-childbearing potential 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 >55 kg (121 lbs).
  • DSM-IV Diagnosis of Schizophrenia; on stable medication treatment regimen ≥2 months.

Exclusion Criteria:

  • Suicide attempt within 3 months prior to screening.
  • History of or risk of seizures; head injury with long term abnormal resulting condition, abnormal EEG, clinically significant additional diseases or conditions, current medication with a significant risk of seizures, currently receiving antipsychotic medications.
Sex/Gender  ICMJE
Sexes Eligible for Study: All
Ages  ICMJE 18 Years to 55 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 NCT02332798
Other Study ID Numbers  ICMJE B1701017
MAD ( Other Identifier: Alias Study Number )
Has Data Monitoring Committee No
U.S. FDA-regulated Product Not Provided
IPD Sharing Statement  ICMJE Not Provided
Responsible Party Biogen
Study Sponsor  ICMJE Biogen
Collaborators  ICMJE Not Provided
Investigators  ICMJE
Study Director: Medical Director Biogen
PRS Account Biogen
Verification Date November 2019

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