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    Clinical Trial Results:
    A Randomized, Open-Label, Multi-Centre, Phase 2a Study to Evaluate the Safety and Effect of STC3141 Continuous Infusion in Subjects with Severe COVID-19 Pneumonia

    Summary
    EudraCT number
    2021-000399-12
    Trial protocol
    BE   PL  
    Global end of trial date
    07 Jan 2022

    Results information
    Results version number
    v2(current)
    This version publication date
    21 May 2023
    First version publication date
    15 Dec 2022
    Other versions
    v1
    Version creation reason
    • Changes to summary attachments

    Trial information

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    Trial identification
    Sponsor protocol code
    GPHIP-0202
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT04880694
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Grand Medical Pty Ltd
    Sponsor organisation address
    Shop 6 / 207 Pacific Highway , St Leonards, Australia, 2065
    Public contact
    Project Manager, Grand Medical Pty Ltd, zhouye@grandpharma.cn
    Scientific contact
    Chief Scientific Officer, Grand Medical Pty Ltd, jpang@grandpharma.cn
    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
    07 Jan 2022
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    07 Jan 2022
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The primary objective is to evaluate the safety of STC3141 in subjects with severe COVID-19 pneumonia
    Protection of trial subjects
    All subjects randomized to the three cohorts received the same Standard of Care (SoC) treatment, whether treated with STC3141 or not.
    Background therapy
    Standard of Care treatment per the Sciensano guidelines current at the time of the trial
    Evidence for comparator
    -
    Actual start date of recruitment
    04 May 2021
    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
    Belgium: 26
    Worldwide total number of subjects
    26
    EEA total number of subjects
    26
    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)
    0
    Adults (18-64 years)
    23
    From 65 to 84 years
    3
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    A total of 26 subjects were screened. 25 subjects were randomized to study treatment.

    Pre-assignment
    Screening details
    A total of 26 subjects were screened. One screening failure due to exclusion criterion not met.

    Period 1
    Period 1 title
    Overall trial (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Randomised - controlled
    Blinding used
    Not blinded

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    STC3141 (58.3 mg/hr) + SoC
    Arm description
    -
    Arm type
    Experimental

    Investigational medicinal product name
    STC3141
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Concentrate for solution for infusion
    Routes of administration
    Infusion
    Dosage and administration details
    4,200 mg (58.3 mg/h for 72h)

    Arm title
    STC3141 (87.5 mg/hr) + SoC
    Arm description
    IMP 87.5mg/hr for 72h and SoC treatment
    Arm type
    Experimental

    Investigational medicinal product name
    STC3141
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Concentrate and solvent for solution for infusion
    Routes of administration
    Infusion
    Dosage and administration details
    6,300 mg (87.5mg/h for 72h)

    Arm title
    standard of care (SoC)
    Arm description
    -
    Arm type
    standard of care

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Number of subjects in period 1 [1]
    STC3141 (58.3 mg/hr) + SoC STC3141 (87.5 mg/hr) + SoC standard of care (SoC)
    Started
    10
    10
    5
    Completed
    10
    10
    5
    Notes
    [1] - The number of subjects reported to be in the baseline period are not the same as the worldwide number enrolled in the trial. It is expected that these numbers will be the same.
    Justification: There were 26 patients enrolled, but 1 patient was a screen failure.

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    STC3141 (58.3 mg/hr) + SoC
    Reporting group description
    -

    Reporting group title
    STC3141 (87.5 mg/hr) + SoC
    Reporting group description
    IMP 87.5mg/hr for 72h and SoC treatment

    Reporting group title
    standard of care (SoC)
    Reporting group description
    -

    Reporting group values
    STC3141 (58.3 mg/hr) + SoC STC3141 (87.5 mg/hr) + SoC standard of care (SoC) Total
    Number of subjects
    10 10 5 25
    Age categorical
    Units: Subjects
        In utero
    0 0 0 0
        Preterm newborn infants (gestational age < 37 wks)
    0 0 0 0
        Newborns (0-27 days)
    0 0 0 0
        Infants and toddlers (28 days-23 months)
    0 0 0 0
        Children (2-11 years)
    0 0 0 0
        Adolescents (12-17 years)
    0 0 0 0
        Adults (18-64 years)
    10 8 4 22
        From 65-84 years
    0 2 1 3
        85 years and over
    0 0 0 0
    Gender categorical
    Units: Subjects
        Female
    5 4 1 10
        Male
    5 6 4 15

    End points

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    End points reporting groups
    Reporting group title
    STC3141 (58.3 mg/hr) + SoC
    Reporting group description
    -

    Reporting group title
    STC3141 (87.5 mg/hr) + SoC
    Reporting group description
    IMP 87.5mg/hr for 72h and SoC treatment

    Reporting group title
    standard of care (SoC)
    Reporting group description
    -

    Primary: Incidence of adverse events (AEs) up tp Day 30

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    End point title
    Incidence of adverse events (AEs) up tp Day 30 [1]
    End point description
    End point type
    Primary
    End point timeframe
    From the time of informed consent until Day 30.
    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: Descriptive data only
    End point values
    STC3141 (58.3 mg/hr) + SoC STC3141 (87.5 mg/hr) + SoC standard of care (SoC)
    Number of subjects analysed
    10
    10
    5
    Units: events
    13
    41
    7
    No statistical analyses for this end point

    Primary: Incidence of treatment emergent adverse events (TEAEs) up to Day 30

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    End point title
    Incidence of treatment emergent adverse events (TEAEs) up to Day 30 [2]
    End point description
    End point type
    Primary
    End point timeframe
    From the time of informed consent until Day 30.
    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: Descriptive data only
    End point values
    STC3141 (58.3 mg/hr) + SoC STC3141 (87.5 mg/hr) + SoC standard of care (SoC)
    Number of subjects analysed
    10
    10
    5
    Units: events
    13
    37
    7
    No statistical analyses for this end point

    Primary: Incidence of serious adverse events (SAEs) up to Day 30

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    End point title
    Incidence of serious adverse events (SAEs) up to Day 30 [3]
    End point description
    End point type
    Primary
    End point timeframe
    from the time of informed consent until Day 30.
    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: Descriptive data only
    End point values
    STC3141 (58.3 mg/hr) + SoC STC3141 (87.5 mg/hr) + SoC standard of care (SoC)
    Number of subjects analysed
    10
    10
    5
    Units: events
    1
    7
    1
    No statistical analyses for this end point

    Primary: Incidence of adverse events of special interest (AESIs) up to Day 30

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    End point title
    Incidence of adverse events of special interest (AESIs) up to Day 30 [4]
    End point description
    End point type
    Primary
    End point timeframe
    From the time of informed consent until Day 30.
    Notes
    [4] - 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: Descriptive data only
    End point values
    STC3141 (58.3 mg/hr) + SoC STC3141 (87.5 mg/hr) + SoC standard of care (SoC)
    Number of subjects analysed
    10
    10
    5
    Units: events
    0
    0
    0
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Adverse events should be collected from the time of informed consent until Day 30.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    24
    Reporting groups
    Reporting group title
    STC3141 (58.3 mg/hr) + SoC
    Reporting group description
    -

    Reporting group title
    STC3141 (87.5 mg/hr) + SoC
    Reporting group description
    -

    Reporting group title
    Standard of Care
    Reporting group description
    -

    Serious adverse events
    STC3141 (58.3 mg/hr) + SoC STC3141 (87.5 mg/hr) + SoC Standard of Care
    Total subjects affected by serious adverse events
         subjects affected / exposed
    1 / 10 (10.00%)
    5 / 10 (50.00%)
    1 / 5 (20.00%)
         number of deaths (all causes)
    0
    1
    0
         number of deaths resulting from adverse events
    0
    Nervous system disorders
    Quadriparesis
         subjects affected / exposed
    0 / 10 (0.00%)
    1 / 10 (10.00%)
    0 / 5 (0.00%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    General disorders and administration site conditions
    Sudden death
         subjects affected / exposed
    0 / 10 (0.00%)
    1 / 10 (10.00%)
    0 / 5 (0.00%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 1
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Respiratory failure
         subjects affected / exposed
    1 / 10 (10.00%)
    2 / 10 (20.00%)
    0 / 5 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    Hypoxia
         subjects affected / exposed
    0 / 10 (0.00%)
    1 / 10 (10.00%)
    0 / 5 (0.00%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    Psychiatric disorders
    Depression
         subjects affected / exposed
    0 / 10 (0.00%)
    0 / 10 (0.00%)
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    Infections and infestations
    Pneumonia bacterial
         subjects affected / exposed
    0 / 10 (0.00%)
    1 / 10 (10.00%)
    0 / 5 (0.00%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    Bronchopulmonary aspergillosis
         subjects affected / exposed
    0 / 10 (0.00%)
    1 / 10 (10.00%)
    0 / 5 (0.00%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 0.05%
    Non-serious adverse events
    STC3141 (58.3 mg/hr) + SoC STC3141 (87.5 mg/hr) + SoC Standard of Care
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    5 / 10 (50.00%)
    9 / 10 (90.00%)
    2 / 5 (40.00%)
    Cardiac disorders
    Bradycardia
         subjects affected / exposed
    1 / 10 (10.00%)
    1 / 10 (10.00%)
    0 / 5 (0.00%)
         occurrences all number
    1
    1
    0
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    0 / 10 (0.00%)
    2 / 10 (20.00%)
    0 / 5 (0.00%)
         occurrences all number
    0
    2
    0
    Gastrointestinal disorders
    Constipation
         subjects affected / exposed
    3 / 10 (30.00%)
    3 / 10 (30.00%)
    1 / 5 (20.00%)
         occurrences all number
    3
    3
    1
    Vomiting
         subjects affected / exposed
    1 / 10 (10.00%)
    1 / 10 (10.00%)
    0 / 5 (0.00%)
         occurrences all number
    2
    1
    0
    Diarrhoea
         subjects affected / exposed
    0 / 10 (0.00%)
    2 / 10 (20.00%)
    0 / 5 (0.00%)
         occurrences all number
    0
    2
    0
    Metabolism and nutrition disorders
    Hyperglycaemia
         subjects affected / exposed
    1 / 10 (10.00%)
    2 / 10 (20.00%)
    1 / 5 (20.00%)
         occurrences all number
    1
    2
    1
    Hypokalaemia
         subjects affected / exposed
    1 / 10 (10.00%)
    1 / 10 (10.00%)
    0 / 5 (0.00%)
         occurrences all number
    1
    1
    0

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    26 Jul 2021
    Amendment to facilitate subject recruitment and to clarify questions/issues discovered during inclusion of the first subjects; recommended by the FAGG to alter exclusion criteria n1

    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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