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    Clinical Trial Results:
    A randomised double-blind placebo-controlled Phase 2B clinical trial of repeated application of gene therapy in patients with cystic fibrosis

    Summary
    EudraCT number
    2011-004761-33
    Trial protocol
    GB  
    Global end of trial date
    30 May 2014

    Results information
    Results version number
    v1(current)
    This version publication date
    08 Jun 2019
    First version publication date
    08 Jun 2019
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    CRO1881
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    -
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Imperial College London
    Sponsor organisation address
    1b Manresa road, London, United Kingdom, SW3 6LR
    Public contact
    Samia Soussi, Imperial College, +44 2075947980, s.soussi@imperial.ac.uk
    Scientific contact
    Samia Soussi, Imperial College, +44 2075947980, s.soussi@imperial.ac.uk
    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?
    No
    Results analysis stage
    Analysis stage
    Final
    Date of interim/final analysis
    02 Jul 2015
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    30 May 2014
    Global end of trial reached?
    Yes
    Global end of trial date
    30 May 2014
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The clinical study has three main objectives: 1. To assess the clinical benefit of pGM169/GL67A when administered on a monthly basis over a period of a year. 2. To assess the safety and tolerability of pGM169/GL67A over the same period. 3. To assess gene expression directed by pGM169/GL67A over the same period.
    Protection of trial subjects
    Subjects fully informed prior to enrolment
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    02 Jan 2012
    Long term follow-up planned
    No
    Independent data monitoring committee (IDMC) involvement?
    Yes
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    United Kingdom: 116
    Worldwide total number of subjects
    116
    EEA total number of subjects
    116
    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)
    0
    Adolescents (12-17 years)
    40
    Adults (18-64 years)
    76
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    Pre-dosing visits (all patients or selected ones as indicated) - Eligibility & Consent (E&C) visit (selected nPD or bronchoscopy subjects only - Introductory visit (optional, if required for new, non-Run In study subjects only) - Screening visit (all subjects) - Pre-dosing nasal PD visits x up to3 (nasal subgroup only- may be before or after Sc

    Pre-assignment
    Screening details
    Screening visit This will involve: Page 18 of 52 Repeated application of gene therapy in CF patients; v06; 21/08/2013  confirmation that patient fulfils inclusion/ exclusion criteria  informed consent signed (if no Introductory Visit)  quality of life questionnaire  full medical history and physical examination including heart rate, resp

    Pre-assignment period milestones
    Number of subjects started
    116
    Number of subjects completed
    116

    Period 1
    Period 1 title
    Baseline (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Randomised - controlled
    Blinding used
    Double blind
    Roles blinded
    Subject, Investigator

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Placebo group
    Arm description
    -
    Arm type
    Placebo

    Investigational medicinal product name
    0.9% Saline
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Nebuliser solution, Nasal spray, solution, Nebuliser suspension
    Routes of administration
    Nasal use, Inhalation use
    Dosage and administration details
    Administration of 5 ml placebo (0.9% saline) via nebuliser to the lungs every 4 weeks for 12 doses Administration of 2 ml placebo (0.9% saline) via nasal spray to the nose every 4 weeks for 12 doses (subgroup only)

    Arm title
    pGM169/GL67A group
    Arm description
    -
    Arm type
    Active comparator

    Investigational medicinal product name
    pGM169/GL67A
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Nasal spray, solution, Nebuliser solution, Nebuliser suspension
    Routes of administration
    Inhalation use, Nasal use
    Dosage and administration details
    Administration of 5 ml pGM169/GL67A via nebuliser to the lungs every 4 weeks for 12 doses Administration of 2 ml pGM169/GL67A via nasal spray to the nose every 4 weeks for 12 doses (subgroup only)

    Number of subjects in period 1
    Placebo group pGM169/GL67A group
    Started
    54
    62
    Completed
    54
    62

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Placebo group
    Reporting group description
    -

    Reporting group title
    pGM169/GL67A group
    Reporting group description
    -

    Reporting group values
    Placebo group pGM169/GL67A group Total
    Number of subjects
    54 62 116
    Age categorical
    Units: Subjects
        In utero
    0 0 0
        Preterm newborn infants (gestational age < 37 wks)
    0 0 0
        Newborns (0-27 days)
    0 0 0
        Infants and toddlers (28 days-23 months)
    0 0 0
        Children (2-11 years)
    0 0 0
        Adolescents (12-17 years)
    17 23 40
        Adults (18-64 years)
    37 39 76
        From 65-84 years
    0 0 0
        85 years and over
    0 0 0
    Age continuous
    Units: years
        arithmetic mean (standard deviation)
    26.0 ± 13.0 23.6 ± 10.8 -
    Gender categorical
    Units: Subjects
        Female
    25 31 56
        Male
    29 31 60

    End points

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    End points reporting groups
    Reporting group title
    Placebo group
    Reporting group description
    -

    Reporting group title
    pGM169/GL67A group
    Reporting group description
    -

    Subject analysis set title
    Treatment effect
    Subject analysis set type
    Per protocol
    Subject analysis set description
    Treatment effect in pGM169/GL67A group versus placebo group

    Subject analysis set title
    Treatment effect
    Subject analysis set type
    Per protocol
    Subject analysis set description
    Treatment effect in pGM169/GL67A group versus placebo group

    Primary: FEV1

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    End point title
    FEV1
    End point description
    End point type
    Primary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect Treatment effect
    Number of subjects analysed
    62
    54
    Units: percent
        arithmetic mean (standard deviation)
    3.66 ± 0.39
    3.66 ± 0.39
    Statistical analysis title
    ANCOVA-adjusted treatment effect
    Statistical analysis description
    ANCOVA-adjusted treatment effect in the pGM169/GL67A group versus Placebo at 12 months follow up
    Comparison groups
    Treatment effect v Treatment effect
    Number of subjects included in analysis
    116
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.046
    Method
    ANCOVA
    Confidence interval

    Secondary: FVC

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    End point title
    FVC
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    114
    Units: percent
        arithmetic mean (standard deviation)
    3.03 ± 0.42
    No statistical analyses for this end point

    Secondary: MEF 25-75

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    End point title
    MEF 25-75
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    114
    Units: percent
        arithmetic mean (standard deviation)
    0.07 ± 0.18
    No statistical analyses for this end point

    Secondary: Lung clearence index

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    End point title
    Lung clearence index
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    110
    Units: unit(s)
        arithmetic mean (standard deviation)
    -0.28 ± 0.26
    No statistical analyses for this end point

    Secondary: CT Bronchiectasis extent

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    End point title
    CT Bronchiectasis extent
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    115
    Units: unit(s)
        arithmetic mean (standard deviation)
    -0.03 ± 0.11
    No statistical analyses for this end point

    Secondary: CT Bronchiectasis severity

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    End point title
    CT Bronchiectasis severity
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    115
    Units: unit(s)
        arithmetic mean (standard deviation)
    -0.08 ± 0.31
    No statistical analyses for this end point

    Secondary: CT Wall thickness

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    End point title
    CT Wall thickness
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    115
    Units: unit(s)
        arithmetic mean (standard deviation)
    -0.09 ± 0.28
    No statistical analyses for this end point

    Secondary: CT Large airway mucus plugs

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    End point title
    CT Large airway mucus plugs
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    115
    Units: unit(s)
        arithmetic mean (standard deviation)
    -0.03 ± 0.18
    No statistical analyses for this end point

    Secondary: CT Small airway mucus plugs

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    End point title
    CT Small airway mucus plugs
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    115
    Units: unit(s)
        arithmetic mean (standard deviation)
    -0.07 ± 0.37
    No statistical analyses for this end point

    Secondary: CT Gas trappings

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    End point title
    CT Gas trappings
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    115
    Units: unit(s)
        arithmetic mean (standard deviation)
    -3.49 ± 0.39
    No statistical analyses for this end point

    Secondary: C-reactive protein

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    End point title
    C-reactive protein
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    103
    Units: mg/L
        arithmetic mean (standard deviation)
    -4.82 ± 0.39
    No statistical analyses for this end point

    Secondary: Erythrocyte sedimentation rate

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    End point title
    Erythrocyte sedimentation rate
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    114
    Units: mm/hr
        arithmetic mean (standard deviation)
    -1.86 ± 0.21
    No statistical analyses for this end point

    Secondary: White blood cells

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    End point title
    White blood cells
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    115
    Units: x10E9/L
        arithmetic mean (standard deviation)
    -0.52 ± 0.26
    No statistical analyses for this end point

    Secondary: KCOc

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    End point title
    KCOc
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    112
    Units: unit(s)
        arithmetic mean (standard deviation)
    0.03 ± 0.23
    No statistical analyses for this end point

    Secondary: TLCOc

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    End point title
    TLCOc
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    112
    Units: unit(s)
        arithmetic mean (standard deviation)
    0.18 ± 0.21
    No statistical analyses for this end point

    Secondary: Alveolar volume

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    End point title
    Alveolar volume
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    113
    Units: unit(s)
        arithmetic mean (standard deviation)
    0.07 ± 0.19
    No statistical analyses for this end point

    Secondary: Sputum 24h weight

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    End point title
    Sputum 24h weight
    End point description
    End point type
    Secondary
    End point timeframe
    Absolute treatment effect
    End point values
    Treatment effect
    Number of subjects analysed
    49
    Units: gram(s)
        arithmetic mean (standard deviation)
    -2.96 ± 0.36
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Post dose
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    10
    Reporting groups
    Reporting group title
    Placebo group
    Reporting group description
    -

    Reporting group title
    pGM169/GL67A group
    Reporting group description
    -

    Serious adverse events
    Placebo group pGM169/GL67A group
    Total subjects affected by serious adverse events
         subjects affected / exposed
    0 / 54 (0.00%)
    6 / 62 (9.68%)
         number of deaths (all causes)
    0
    0
         number of deaths resulting from adverse events
    0
    0
    Respiratory, thoracic and mediastinal disorders
    Admission to hospital with headache, vomiting and viral URTI symptoms
    alternative assessment type: Non-systematic
         subjects affected / exposed
    0 / 54 (0.00%)
    1 / 62 (1.61%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Post-surgical infection
         subjects affected / exposed
    0 / 54 (0.00%)
    1 / 62 (1.61%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pneumothorax after removal of indwelling intravenous access device
    alternative assessment type: Non-systematic
         subjects affected / exposed
    0 / 54 (0.00%)
    1 / 62 (1.61%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Endocrine disorders
    Admission to hospital with acute pancreatitis
    alternative assessment type: Non-systematic
         subjects affected / exposed
    0 / 54 (0.00%)
    1 / 62 (1.61%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Admission to hospital with minor vomiting illness
    Additional description: Admitted for assistance with diabetic control
    alternative assessment type: Non-systematic
         subjects affected / exposed
    0 / 54 (0.00%)
    1 / 62 (1.61%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Infections and infestations
    Admission to hospital with severe headache, fever, pulmonary exacerbation and new isolate of MRSA
    alternative assessment type: Non-systematic
         subjects affected / exposed
    0 / 54 (0.00%)
    1 / 62 (1.61%)
         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: 5%
    Non-serious adverse events
    Placebo group pGM169/GL67A group
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    54 / 54 (100.00%)
    62 / 62 (100.00%)
    General disorders and administration site conditions
    Headache
         subjects affected / exposed
    54 / 54 (100.00%)
    62 / 62 (100.00%)
         occurrences all number
    54
    62
    Other
         subjects affected / exposed
    54 / 54 (100.00%)
    62 / 62 (100.00%)
         occurrences all number
    54
    62
    Blood and lymphatic system disorders
    Haematuria
         subjects affected / exposed
    54 / 54 (100.00%)
    62 / 62 (100.00%)
         occurrences all number
    54
    62
    Isolated raised inflammatory markers
         subjects affected / exposed
    54 / 54 (100.00%)
    62 / 62 (100.00%)
         occurrences all number
    54
    62
    Gastrointestinal disorders
    Gastrointestinal symptoms
         subjects affected / exposed
    54 / 54 (100.00%)
    62 / 62 (100.00%)
         occurrences all number
    54
    62
    Respiratory, thoracic and mediastinal disorders
    Lower airway respiratory symtoms
         subjects affected / exposed
    54 / 54 (100.00%)
    62 / 62 (100.00%)
         occurrences all number
    54
    62
    Upper airway symptoms
         subjects affected / exposed
    54 / 54 (100.00%)
    62 / 62 (100.00%)
         occurrences all number
    54
    62
    Hepatobiliary disorders
    Elevated liver function tests
         subjects affected / exposed
    54 / 54 (100.00%)
    62 / 62 (100.00%)
         occurrences all number
    54
    62
    Infections and infestations
    Fever or flu like symptoms
         subjects affected / exposed
    54 / 54 (100.00%)
    62 / 62 (100.00%)
         occurrences all number
    54
    62

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? No

    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
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    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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