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    Clinical Trial Results:
    An Open-Label, Dose-Escalating Study Of The Pharmacokinetics, Safety And Tolerability Of Fesoterodine In Pediatric Overactive Bladder Patients Aged 8-17 Years.

    Summary
    EudraCT number
    2014-004161-24
    Trial protocol
    Outside EU/EEA  
    Global end of trial date
    20 Dec 2010

    Results information
    Results version number
    v1(current)
    This version publication date
    30 May 2016
    First version publication date
    12 Jul 2015
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    A0221066
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT00857896
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Pfizer, Inc.
    Sponsor organisation address
    235 E 42nd Street, New York, United States, NY 10017
    Public contact
    Pfizer ClinicalTrials.gov Call Center, Pfizer Inc., 001 8007181021, ClinicalTrials.gov_Inquiries@pfizer.com
    Scientific contact
    Pfizer ClinicalTrials.gov Call Center, Pfizer Inc., 001 8007181021, ClinicalTrials.gov_Inquiries@pfizer.com
    Paediatric regulatory details
    Is trial part of an agreed paediatric investigation plan (PIP)
    No
    Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial?
    Yes
    Results analysis stage
    Analysis stage
    Final
    Date of interim/final analysis
    17 May 2011
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    20 Dec 2010
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    To determine the pharmacokinetics of 5-hydroxy-methyltolterodine (5-HMT) in pediatric overactive bladder (OAB) subjects aged 8-17 years.
    Protection of trial subjects
    The study was in compliance with the ethical principles derived from the Declaration of Helsinki and in compliance with all International Conference on Harmonization (ICH) Good Clinical Practice (GCP) Guidelines. All the local regulatory requirements pertinent to safety of trial subjects were followed.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    20 Mar 2009
    Long term follow-up planned
    No
    Independent data monitoring committee (IDMC) involvement?
    No
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    United States: 21
    Worldwide total number of subjects
    21
    EEA total number of subjects
    0
    Number of subjects enrolled per age group
    In utero
    0
    Preterm newborn - gestational age < 37 wk
    0
    Newborns (0-27 days)
    0
    Infants and toddlers (28 days-23 months)
    0
    Children (2-11 years)
    6
    Adolescents (12-17 years)
    15
    Adults (18-64 years)
    0
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    -

    Pre-assignment
    Screening details
    Total 21 subjects were enrolled in 7 centres of United States. Study started from 20 Mar 2009 and completed on 20 Dec 2010.

    Period 1
    Period 1 title
    Baseline to Week 4
    Is this the baseline period?
    Yes
    Allocation method
    Not applicable
    Blinding used
    Not blinded

    Arms
    Arm title
    Fesoterodine
    Arm description
    Fesoterodine 4 milligram (mg) tablet from Baseline to Week 4, escalated to 8 mg tablet for Weeks 5 to 8.
    Arm type
    Experimental

    Investigational medicinal product name
    Fesoterodine
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Fesoterodine 4 mg tablet was administered once daily (QD) from Baseline to Week 4.

    Number of subjects in period 1
    Fesoterodine
    Started
    21
    Completed
    20
    Not completed
    1
         Consent withdrawn by subject
    1
    Period 2
    Period 2 title
    Week 5 to Week 8
    Is this the baseline period?
    No
    Allocation method
    Not applicable
    Blinding used
    Not blinded

    Arms
    Arm title
    Fesoterodine
    Arm description
    Fesoterodine 4 mg tablet from Baseline to Week 4, escalated to 8 mg tablet QD for Weeks 5 to 8.
    Arm type
    Experimental

    Investigational medicinal product name
    Fesoterodine
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Fesoterodine 8 mg tablet QD for Weeks 5 to 8.

    Number of subjects in period 2
    Fesoterodine
    Started
    20
    Completed
    20

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Fesoterodine
    Reporting group description
    Fesoterodine 4 milligram (mg) tablet from Baseline to Week 4, escalated to 8 mg tablet for Weeks 5 to 8.

    Reporting group values
    Fesoterodine Total
    Number of subjects
    21 21
    Age categorical
    Units: Subjects
    Age Continuous
    Units: years
        arithmetic mean (standard deviation)
    13.1 ( 2.7 ) -
    Gender, Male/Female
    Units: subjectss
        Female
    9 9
        Male
    12 12

    End points

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    End points reporting groups
    Reporting group title
    Fesoterodine
    Reporting group description
    Fesoterodine 4 milligram (mg) tablet from Baseline to Week 4, escalated to 8 mg tablet for Weeks 5 to 8.
    Reporting group title
    Fesoterodine
    Reporting group description
    Fesoterodine 4 mg tablet from Baseline to Week 4, escalated to 8 mg tablet QD for Weeks 5 to 8.

    Primary: Absorption Rate Constant (Ka)

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    End point title
    Absorption Rate Constant (Ka) [1]
    End point description
    Pharmacokinetic (PK) concentration population: randomized and treated subjects who had at least 1 concentration during the study.
    End point type
    Primary
    End point timeframe
    Day 28 and Day 56
    Notes
    [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: The plasma concentration-time data were analyzed by population PK modeling to estimate the 5-HMT PK parameters, for which descriptive summary statistics such as point estimate, relative standard error and 95% confidence intervals were reported
    End point values
    Fesoterodine
    Number of subjects analysed
    21
    Units: 1 per hour (hr)
        arithmetic mean (confidence interval 95%)
    0.44 (0.15 to 0.58)
    No statistical analyses for this end point

    Primary: Apparent Volume of Distribution (VC/F)

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    End point title
    Apparent Volume of Distribution (VC/F) [2]
    End point description
    The volume necessary to account for the total amount of drug in the body if it were present throughout the body at the same concentration found in the blood. Estimated using non linear mixed effect modeling. PK concentration population.
    End point type
    Primary
    End point timeframe
    Day 28 and Day 56
    Notes
    [2] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: The plasma concentration-time data were analyzed by population PK modeling to estimate the 5-HMT PK parameters, for which descriptive summary statistics such as point estimate, relative standard error and 95% confidence intervals were reported
    End point values
    Fesoterodine
    Number of subjects analysed
    21
    Units: Liters (L)
        arithmetic mean (confidence interval 95%)
    1010 (566 to 1232)
    No statistical analyses for this end point

    Primary: Area Under the plasma drug concentration time curve (AUC)

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    End point title
    Area Under the plasma drug concentration time curve (AUC) [3]
    End point description
    AUC is a measure of the serum concentration of the drug over time. It is used to characterize drug absorption.
    End point type
    Primary
    End point timeframe
    Day 28 and Day 56
    Notes
    [3] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: The plasma concentration-time data were analyzed by population PK modeling to estimate the 5-HMT PK parameters, for which descriptive summary statistics such as point estimate, relative standard error and 95% confidence intervals were reported
    End point values
    Fesoterodine
    Number of subjects analysed
    0 [4]
    Units: micrograms*hour per milliliter
        arithmetic mean (standard deviation)
    ( )
    Notes
    [4] - Not analyzed due to the limited amount of data available.
    No statistical analyses for this end point

    Primary: Time to Reach Maximum Observed Plasma Concentration (Tmax)

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    End point title
    Time to Reach Maximum Observed Plasma Concentration (Tmax) [5]
    End point description
    End point type
    Primary
    End point timeframe
    Day 28 and Day 56
    Notes
    [5] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: The plasma concentration-time data were analyzed by population PK modeling to estimate the 5-HMT PK parameters, for which descriptive summary statistics such as point estimate, relative standard error and 95% confidence intervals were reported
    End point values
    Fesoterodine
    Number of subjects analysed
    0 [6]
    Units: hours
        arithmetic mean (standard deviation)
    ( )
    Notes
    [6] - Not analyzed due to the limited amount of data available.
    No statistical analyses for this end point

    Primary: Maximum Observed Plasma Concentration (Cmax)

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    End point title
    Maximum Observed Plasma Concentration (Cmax) [7]
    End point description
    End point type
    Primary
    End point timeframe
    Day 28 and Day 56
    Notes
    [7] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: The plasma concentration-time data were analyzed by population PK modeling to estimate the 5-HMT PK parameters, for which descriptive summary statistics such as point estimate, relative standard error and 95% confidence intervals were reported
    End point values
    Fesoterodine
    Number of subjects analysed
    0 [8]
    Units: micrograms per milliliter (mcg/mL)
        arithmetic mean (standard deviation)
    ( )
    Notes
    [8] - Not analyzed due to the limited amount of data available.
    No statistical analyses for this end point

    Primary: Plasma Decay Half-Life (t1/2)

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    End point title
    Plasma Decay Half-Life (t1/2) [9]
    End point description
    Plasma decay half-life is the time measured for the plasma concentration to decrease by one half.
    End point type
    Primary
    End point timeframe
    Day 28 and Day 56
    Notes
    [9] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: The plasma concentration-time data were analyzed by population PK modeling to estimate the 5-HMT PK parameters, for which descriptive summary statistics such as point estimate, relative standard error and 95% confidence intervals were reported
    End point values
    Fesoterodine
    Number of subjects analysed
    0 [10]
    Units: hours
        arithmetic mean (standard deviation)
    ( )
    Notes
    [10] - Not analyzed due to the limited amount of data available.
    No statistical analyses for this end point

    Primary: Apparent Oral Clearance (CL/F)

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    End point title
    Apparent Oral Clearance (CL/F) [11]
    End point description
    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 using non linear mixed effect modeling. Drug clearance is a quantitative measure of the rate at which a drug substance is removed from the blood. PK Concentration population.
    End point type
    Primary
    End point timeframe
    Day 28 and Day 56
    Notes
    [11] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: The plasma concentration-time data were analyzed by population PK modeling to estimate the 5-HMT PK parameters, for which descriptive summary statistics such as point estimate, relative standard error and 95% confidence intervals were reported
    End point values
    Fesoterodine
    Number of subjects analysed
    21
    Units: L/hr
        arithmetic mean (confidence interval 95%)
    86.7 (63.9 to 98.1)
    No statistical analyses for this end point

    Secondary: Post-void Residual (PVR) Volume

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    End point title
    Post-void Residual (PVR) Volume
    End point description
    Volume of urine remaining in the bladder immediately after urination. Safety Population: all subjects who were known to have received study medication, n = subjects not performing clean intermittent bladder catheterization (CIC) at specified time point.
    End point type
    Secondary
    End point timeframe
    Baseline, Week 4, Week 8 post-dose
    End point values
    Fesoterodine
    Number of subjects analysed
    12 [12]
    Units: mL
    median (full range (min-max))
        Baseline (n=10)
    6 (0 to 65)
        Week 4 (n=12)
    4 (0 to 90)
        Week 8 (n=10)
    25 (0 to 70)
    Notes
    [12] - Subjects not performing CIC. 
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Baseline up to 7 days after the last dose of study drug
    Adverse event reporting additional description
    The same event may appear as both an adverse event (AE) and a serious AE (SAE). An event may be categorized as serious in one subject and as nonserious in an  other subject. EU BR specific AE tables were generated separately as per EU format using latest coding.
    Assessment type
    Non-systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    17.1
    Reporting groups
    Reporting group title
    Fesoterodine 4 mg
    Reporting group description
    Fesoterodine 4 mg tablet QD anytime during the study

    Reporting group title
    Fesoterodine 8 mg
    Reporting group description
    Fesoterodine 8 mg tablet QD anytime during the study

    Serious adverse events
    Fesoterodine 4 mg Fesoterodine 8 mg
    Total subjects affected by serious adverse events
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 20 (5.00%)
         number of deaths (all causes)
    0
    0
         number of deaths resulting from adverse events
    0
    0
    Gastrointestinal disorders
    Constipation
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 20 (5.00%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 0%
    Non-serious adverse events
    Fesoterodine 4 mg Fesoterodine 8 mg
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    8 / 21 (38.10%)
    13 / 20 (65.00%)
    Investigations
    Residual urine volume increased
         subjects affected / exposed
    0 / 21 (0.00%)
    2 / 20 (10.00%)
         occurrences all number
    0
    2
    Congenital, familial and genetic disorders
    Developmental hip dysplasia
         subjects affected / exposed
    1 / 21 (4.76%)
    1 / 20 (5.00%)
         occurrences all number
    1
    1
    Nervous system disorders
    Disturbance in attention
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 20 (0.00%)
         occurrences all number
    1
    0
    Resting tremor
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 20 (5.00%)
         occurrences all number
    0
    1
    General disorders and administration site conditions
    Pyrexia
         subjects affected / exposed
    1 / 21 (4.76%)
    1 / 20 (5.00%)
         occurrences all number
    1
    1
    Eye disorders
    Dry eye
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 20 (0.00%)
         occurrences all number
    1
    0
    Vision blurred
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 20 (5.00%)
         occurrences all number
    0
    1
    Gastrointestinal disorders
    Abdominal pain upper
         subjects affected / exposed
    1 / 21 (4.76%)
    1 / 20 (5.00%)
         occurrences all number
    1
    1
    Constipation
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 20 (0.00%)
         occurrences all number
    1
    0
    Dry mouth
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 20 (0.00%)
         occurrences all number
    1
    0
    Dyspepsia
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 20 (0.00%)
         occurrences all number
    1
    0
    Haematochezia
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 20 (5.00%)
         occurrences all number
    0
    1
    Nausea
         subjects affected / exposed
    1 / 21 (4.76%)
    1 / 20 (5.00%)
         occurrences all number
    1
    1
    Vomiting
         subjects affected / exposed
    1 / 21 (4.76%)
    1 / 20 (5.00%)
         occurrences all number
    1
    1
    Respiratory, thoracic and mediastinal disorders
    Rhinitis allergic
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 20 (5.00%)
         occurrences all number
    0
    1
    Sinus congestion
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 20 (0.00%)
         occurrences all number
    1
    0
    Sneezing
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 20 (0.00%)
         occurrences all number
    1
    0
    Upper respiratory tract congestion
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 20 (5.00%)
         occurrences all number
    0
    1
    Skin and subcutaneous tissue disorders
    Skin ulcer
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 20 (0.00%)
         occurrences all number
    1
    0
    Musculoskeletal and connective tissue disorders
    Joint effusion
         subjects affected / exposed
    1 / 21 (4.76%)
    1 / 20 (5.00%)
         occurrences all number
    1
    1
    Joint swelling
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 20 (0.00%)
         occurrences all number
    1
    0
    Musculoskeletal pain
         subjects affected / exposed
    1 / 21 (4.76%)
    1 / 20 (5.00%)
         occurrences all number
    1
    1
    Myositis
         subjects affected / exposed
    1 / 21 (4.76%)
    1 / 20 (5.00%)
         occurrences all number
    1
    1
    Infections and infestations
    Arthritis bacterial
         subjects affected / exposed
    1 / 21 (4.76%)
    1 / 20 (5.00%)
         occurrences all number
    1
    1
    Gastroenteritis
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 20 (0.00%)
         occurrences all number
    1
    0
    Gastroenteritis viral
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 20 (5.00%)
         occurrences all number
    0
    1
    Joint abscess
         subjects affected / exposed
    1 / 21 (4.76%)
    1 / 20 (5.00%)
         occurrences all number
    1
    1
    Urinary tract infection
         subjects affected / exposed
    2 / 21 (9.52%)
    3 / 20 (15.00%)
         occurrences all number
    2
    3
    Viral infection
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 20 (5.00%)
         occurrences all number
    0
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    23 Nov 2009
    Inclusion criteria of age was changed from 8-11 years to 8-17 years.
    28 Jul 2010
    Inclusion criteria of total body weight of greater than (>) 35 kg was changed to total body weight of >25 kg.

    Interruptions (globally)

    Were there any global interruptions to the trial? No

    Limitations and caveats

    Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data.
    None reported
    For support, Contact us.
    The status and protocol content of GB trials is no longer updated since 1 January 2021. For the UK, as of 31 January 2021, EU Law applies only to the territory of Northern Ireland (NI) to the extent foreseen in the Protocol on Ireland/NI. Legal notice
    As of 31 January 2023, all EU/EEA initial clinical trial applications must be submitted through CTIS . Updated EudraCT trials information and information on PIP/Art 46 trials conducted exclusively in third countries continues to be submitted through EudraCT and published on this website.

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