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    Clinical Trial Results:
    Comparison of Single versus Repeat Doses of AM-101 in the Treatment of Acute Inner Ear Tinnitus (TACTT1)

    Summary
    EudraCT number
    2011-005384-24
    Trial protocol
    BE   DE  
    Global end of trial date
    21 May 2013

    Results information
    Results version number
    v1(current)
    This version publication date
    27 Jul 2016
    First version publication date
    27 Jul 2016
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    AM-101-CL-10-02
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT01270282
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Auris Medical AG
    Sponsor organisation address
    Falknerstr. 4, Basel, Switzerland, 4001
    Public contact
    Thomas Meyer, Auris Medical AG, +41 61 201 13 50, ear@aurismedical.com
    Scientific contact
    Thomas Meyer, Auris Medical AG, +41 61 201 13 50, ear@aurismedical.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?
    No
    Results analysis stage
    Analysis stage
    Final
    Date of interim/final analysis
    19 Jul 2013
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    21 May 2013
    Global end of trial reached?
    Yes
    Global end of trial date
    21 May 2013
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    Primary objective: The primary objective of the trial was the evaluation of the appropriate dosing regimen for intratympanic (i.t.) AM-101 injections in the treatment of acute inner ear tinnitus. Secondary objectives: The secondary objectives of the trial were (a) the further assessment of the safety and local tolerance of i.t. administered AM-101, and (b) the further evaluation of AM-101’s biodistribution.
    Protection of trial subjects
    This Clinical Trial was conducted in accordance with the study protocol, the International Conference on Harmonisation (ICH) harmonized tripartite guideline on Good Clinical Practices (GCP) (E6), as well as Food and Drug Administration (FDA) regulations for investigational new drugs outlined in 21 CFR, Section 312, 50 and 56, and the ethical principles outlined in the Declaration of Helsinki dated 1989 (US sites), respectively in their most current version.
    Background therapy
    N/A
    Evidence for comparator
    N/A
    Actual start date of recruitment
    09 Feb 2011
    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: 39
    Country: Number of subjects enrolled
    Germany: 15
    Country: Number of subjects enrolled
    Belgium: 15
    Country: Number of subjects enrolled
    Poland: 16
    Worldwide total number of subjects
    85
    EEA total number of subjects
    46
    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)
    85
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    This was a Phase IIa, randomised, multi centre, double-blind, placebo-controlled dose-finding, efficacy, tolerability, safety, and pharmacokinetic study of AM-101 in the treatment of subjects with acute inner ear tinnitus (6 US and 9 EU sites). Eligible subjects were to have an onset of tinnitus no longer than 3 months prior to study start.

    Pre-assignment
    Screening details
    Main inclusion criteria were: Persistent tinnitus (unilateral or bilateral) following AAT, acute OM, middle ear surgery or inner ear barotrauma with onset up to 3 months ago, documented by medical report; Age from 18 - 65 years. A total of 87 patients were screened. Of these, 85 were randomised.

    Period 1
    Period 1 title
    Whole study period (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Randomised - controlled
    Blinding used
    Double blind
    Roles blinded
    Subject, Investigator, Monitor, Data analyst
    Blinding implementation details
    The Sponsor, Investigators as well as the subjects were blinded regarding the dose administered during the study. In particular, the gel formulation was of the same appearance for AM-101 than the Placebo and revealed no differences during or following injection, neither to the Investigator, nor to the subject.

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    AM-101 0.81 mg/mL gel (single)
    Arm description
    Single intratympanic administration of AM-101 0.81 mg/mL gel at D0
    Arm type
    Experimental

    Investigational medicinal product name
    Esketamine hydrochloride gel
    Investigational medicinal product code
    AM-101
    Other name
    Pharmaceutical forms
    Gel for injection
    Routes of administration
    Intratympanic use
    Dosage and administration details
    Single intratympanic administration of AM-101 0.81 mg/mL (0.25 mL). In case of bilateral tinnitus, both ears were treated.

    Arm title
    Placebo (single)
    Arm description
    Single intratympanic administration of placebo gel at D0.
    Arm type
    Placebo

    Investigational medicinal product name
    Placebo gel
    Investigational medicinal product code
    Placebo
    Other name
    Pharmaceutical forms
    Gel for injection
    Routes of administration
    Intratympanic use
    Dosage and administration details
    Single intratympanic administration of AM-101 0 mg/mL (0.25 mL). In case of bilateral tinnitus, both ears were treated.

    Arm title
    AM-101 0.81 mg/mL gel (triple)
    Arm description
    Triple intratympanic administration over 2 weeks of AM-101 0.81 mg/mL gel at D0, D7, D14
    Arm type
    Experimental

    Investigational medicinal product name
    Esketamine hydrochloride gel
    Investigational medicinal product code
    AM-101
    Other name
    Pharmaceutical forms
    Gel for injection
    Routes of administration
    Intratympanic use
    Dosage and administration details
    Triple intratympanic administration of AM-101 0.81 mg/mL (0.25 mL). In case of bilateral tinnitus, both ears were treated.

    Arm title
    Placebo (triple)
    Arm description
    Triple intratympanic administration over 2 weeks of placebo gel at D0, D7, D14
    Arm type
    Placebo

    Investigational medicinal product name
    Placebo gel
    Investigational medicinal product code
    Placebo
    Other name
    Pharmaceutical forms
    Gel for injection
    Routes of administration
    Intratympanic use
    Dosage and administration details
    Triple intratympanic administration of AM-101 0 mg/mL (0.25 mL). In case of bilateral tinnitus, both ears were treated.

    Number of subjects in period 1
    AM-101 0.81 mg/mL gel (single) Placebo (single) AM-101 0.81 mg/mL gel (triple) Placebo (triple)
    Started
    33
    14
    25
    13
    Completed
    27
    14
    22
    10
    Not completed
    6
    0
    3
    3
         Consent withdrawn by subject
    3
    -
    2
    1
         Significant medical condition
    -
    -
    1
    -
         Lost to follow-up
    2
    -
    -
    2
         Not treated, consent withdrawn before dosing
    1
    -
    -
    -

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    AM-101 0.81 mg/mL gel (single)
    Reporting group description
    Single intratympanic administration of AM-101 0.81 mg/mL gel at D0

    Reporting group title
    Placebo (single)
    Reporting group description
    Single intratympanic administration of placebo gel at D0.

    Reporting group title
    AM-101 0.81 mg/mL gel (triple)
    Reporting group description
    Triple intratympanic administration over 2 weeks of AM-101 0.81 mg/mL gel at D0, D7, D14

    Reporting group title
    Placebo (triple)
    Reporting group description
    Triple intratympanic administration over 2 weeks of placebo gel at D0, D7, D14

    Reporting group values
    AM-101 0.81 mg/mL gel (single) Placebo (single) AM-101 0.81 mg/mL gel (triple) Placebo (triple) Total
    Number of subjects
    33 14 25 13 85
    Age categorical
    Units: Subjects
        In utero
    0 0 0 0 0
        Preterm newborn infants (gestational age < 37 wks)
    0 0 0 0 0
        Newborns (0-27 days)
    0 0 0 0 0
        Infants and toddlers (28 days-23 months)
    0 0 0 0 0
        Children (2-11 years)
    0 0 0 0 0
        Adolescents (12-17 years)
    0 0 0 0 0
        Adults (18-64 years)
    33 14 25 13 85
        From 65-84 years
    0 0 0 0 0
        85 years and over
    0 0 0 0 0
    Age continuous
    Units: years
        arithmetic mean (standard deviation)
    38.2 ± 12.42 41 ± 10.36 40.6 ± 13.03 40.4 ± 12.72 -
    Gender categorical
    Units: Subjects
        Female
    10 2 8 4 24
        Male
    23 12 17 9 61
    Ethnic group
    Units: Subjects
        Caucasian
    32 13 25 13 83
        African
    0 0 0 0 0
        Asian
    0 0 0 0 0
        Hispanic
    1 1 0 0 2
    Subject analysis sets

    Subject analysis set title
    Valid for Efficacy
    Subject analysis set type
    Per protocol
    Subject analysis set description
    Major protocol violators have been excluded. 66 subjects were included in the Valid for Efficacy set (VfE), of whom 44 received AM-101 and 22 Placebo.

    Subject analysis set title
    Valid for Safety
    Subject analysis set type
    Full analysis
    Subject analysis set description
    84 of 85 subjects received study medication. The Valid for Safety set (VfS) comprised 84 subjects, of whom 57 received AM-101 and 27 Placebo.

    Subject analysis sets values
    Valid for Efficacy Valid for Safety
    Number of subjects
    66
    84
    Age categorical
    Units: Subjects
        In utero
    0
    0
        Preterm newborn infants (gestational age < 37 wks)
    0
    0
        Newborns (0-27 days)
    0
    0
        Infants and toddlers (28 days-23 months)
    0
    0
        Children (2-11 years)
    0
    0
        Adolescents (12-17 years)
    0
    0
        Adults (18-64 years)
    66
    84
        From 65-84 years
    0
    0
        85 years and over
    0
    0
    Age continuous
    Units: years
        arithmetic mean (standard deviation)
    40.9 ± 11.93
    39.7 ± 12.18
    Gender categorical
    Units: Subjects
        Female
    20
    24
        Male
    46
    60
    Ethnic group
    Units: Subjects
        Caucasian
    65
    82
        African
    0
    0
        Asian
    0
    0
        Hispanic
    1
    2

    End points

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    End points reporting groups
    Reporting group title
    AM-101 0.81 mg/mL gel (single)
    Reporting group description
    Single intratympanic administration of AM-101 0.81 mg/mL gel at D0

    Reporting group title
    Placebo (single)
    Reporting group description
    Single intratympanic administration of placebo gel at D0.

    Reporting group title
    AM-101 0.81 mg/mL gel (triple)
    Reporting group description
    Triple intratympanic administration over 2 weeks of AM-101 0.81 mg/mL gel at D0, D7, D14

    Reporting group title
    Placebo (triple)
    Reporting group description
    Triple intratympanic administration over 2 weeks of placebo gel at D0, D7, D14

    Subject analysis set title
    Valid for Efficacy
    Subject analysis set type
    Per protocol
    Subject analysis set description
    Major protocol violators have been excluded. 66 subjects were included in the Valid for Efficacy set (VfE), of whom 44 received AM-101 and 22 Placebo.

    Subject analysis set title
    Valid for Safety
    Subject analysis set type
    Full analysis
    Subject analysis set description
    84 of 85 subjects received study medication. The Valid for Safety set (VfS) comprised 84 subjects, of whom 57 received AM-101 and 27 Placebo.

    Primary: Efficacy: TLQ improvement from baseline to FUV3

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    End point title
    Efficacy: TLQ improvement from baseline to FUV3
    End point description
    The primary efficacy outcome was the absolute improvement in tinnitus loudness (TLQ) by magnitude estimation from Baseline (TV1) to 90 days following the last injection (FUV3), i.e. TLQ(TV1)-TLQ(FUV3). Analysis was performed on valid for efficacy data set.
    End point type
    Primary
    End point timeframe
    Baseline (TV1) up to end of study (FUV3)
    End point values
    AM-101 0.81 mg/mL gel (single) Placebo (single) AM-101 0.81 mg/mL gel (triple) Placebo (triple)
    Number of subjects analysed
    21
    10 [1]
    23
    12 [2]
    Units: 0 - 100 numerical rating scale
        arithmetic mean (standard deviation)
    21.4 ± 20.1
    11.3 ± 34.2
    12.9 ± 23.9
    1.9 ± 20.3
    Notes
    [1] - pooled placebo (n=22) data set used for analysis, subjects analyzed in single group (n=43)
    [2] - pooled placebo (n=22) data set used for analysis, subjects analyzed in triple group (n=45)
    Statistical analysis title
    Improvement in tinnitus loudness from baseline
    Comparison groups
    AM-101 0.81 mg/mL gel (single) v Placebo (single) v AM-101 0.81 mg/mL gel (triple) v Placebo (triple)
    Number of subjects included in analysis
    66
    Analysis specification
    Pre-specified
    Analysis type
    superiority [3]
    P-value
    = 0.084
    Method
    ANCOVA
    Confidence interval
    Notes
    [3] - ANCOVA model for the trend in group means for pooled placebo, single-dose AM-101 and triple-dose AM-101

    Primary: Safety: Incidence of change in hearing threshold ≥ 15 dB from Baseline (TV1) to FUV2

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    End point title
    Safety: Incidence of change in hearing threshold ≥ 15 dB from Baseline (TV1) to FUV2
    End point description
    Change in hearing threshold ≥ 15 dB from Baseline (TV1) to FUV2 at the average of two contiguous test frequencies in the treated ear. No statistics computed for triple treatment comparison, because row or column sum is zero.
    End point type
    Primary
    End point timeframe
    From baseline (TV1) to FUV2
    End point values
    AM-101 0.81 mg/mL gel (single) Placebo (single) AM-101 0.81 mg/mL gel (triple) Placebo (triple)
    Number of subjects analysed
    24
    11
    25
    12
    Units: number of subjects
    1
    0
    0
    0
    Statistical analysis title
    Single treatment
    Statistical analysis description
    Statistical analysis if Placebo vs. AM-101 treatment was statistically significant different.
    Comparison groups
    AM-101 0.81 mg/mL gel (single) v Placebo (single)
    Number of subjects included in analysis
    35
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 1
    Method
    Fisher exact
    Confidence interval

    Secondary: PK: Maximum plasma drug concentration level (Cmax) - Esketamine

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    End point title
    PK: Maximum plasma drug concentration level (Cmax) - Esketamine [4]
    End point description
    The maximum plasma concentration (Cmax) for each subject was derived directly from their plasma concentration-time profiles. In 11 of 11 subjects concentrations of Esketamine were found at or above the lower limit of quantitation (LLOQ) of 0.1 ng/mL. Therefore the samples of 11 patients could be included in the pharmacokinetic (PK) analysis. Statistics N/A - Standard PK analysis methods were used.
    End point type
    Secondary
    End point timeframe
    Sampling at treatment visit (TV) 1 prior to and 15, 30, 45, 60, 180, and 360 minutes after treatment of the (first) ear.
    Notes
    [4] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period.
    Justification: Of 18 subjects in single dose arms, 11 subjects received AM-101. The samples of the 11 AM-101 dosed subjects were used for PK analysis.
    End point values
    AM-101 0.81 mg/mL gel (single)
    Number of subjects analysed
    11 [5]
    Units: ng/mL
        arithmetic mean (standard deviation)
    0.2 ± 0.13
    Notes
    [5] - See description in Cmax - Esketamine
    No statistical analyses for this end point

    Secondary: PK: Time to maximum plasma concentration (Tmax) - Esketamine

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    End point title
    PK: Time to maximum plasma concentration (Tmax) - Esketamine [6]
    End point description
    The time to maximum plasma drug concentration was derived directly from the patient's plasma concentration-time profile.
    End point type
    Secondary
    End point timeframe
    Sampling at treatment visit (TV) 1 prior to and 15, 30, 45, 60, 180, and 360 minutes after treatment of the (first) ear.
    Notes
    [6] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period.
    Justification: Of 18 subjects in single dose arms, 11 subjects received AM-101. The samples of the 11 AM-101 dosed subjects were used for PK analysis.
    End point values
    AM-101 0.81 mg/mL gel (single)
    Number of subjects analysed
    11 [7]
    Units: min
        number (not applicable)
    55.9
    Notes
    [7] - See description in Cmax - Esketamine
    No statistical analyses for this end point

    Secondary: PK: Area under the plasma concentration-time curve - Esketamine

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    End point title
    PK: Area under the plasma concentration-time curve - Esketamine [8]
    End point description
    End point type
    Secondary
    End point timeframe
    Sampling at treatment visit (TV) 1 prior to and 15, 30, 45, 60, 180, and 360 minutes after treatment of the (first) ear.
    Notes
    [8] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period.
    Justification: Of 18 subjects in single dose arms, 11 subjects received AM-101. The samples of the 11 AM-101 dosed subjects were used for PK analysis.
    End point values
    AM-101 0.81 mg/mL gel (single)
    Number of subjects analysed
    11 [9]
    Units: ng min/mL
        number (not applicable)
    20.67
    Notes
    [9] - See description in Cmax - Esketamine
    No statistical analyses for this end point

    Secondary: PK: Maximum plasma drug concentration level (Cmax) - S-Norketamine

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    End point title
    PK: Maximum plasma drug concentration level (Cmax) - S-Norketamine [10]
    End point description
    The maximum plasma concentration (Cmax) for each subject was derived directly from their plasma concentration-time profiles. Concentrations of (S)-Norketamine could be quantified above the lower limit of quantification (LLOQ) of 0.1 ng/mL only in 9 of 11 subjects; Concentrations were all below 30 ng/mL. Statistics N/A - Standard PK analysis methods were used.
    End point type
    Secondary
    End point timeframe
    Sampling at treatment visit (TV) 1 prior to and 15, 30, 45, 60, 180, and 360 minutes after treatment of the (first) ear.
    Notes
    [10] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period.
    Justification: Of 18 subjects in single dose arms, 11 subjects received AM-101. The samples of the 11 AM-101 dosed subjects were used for PK analysis.
    End point values
    AM-101 0.81 mg/mL gel (single)
    Number of subjects analysed
    11 [11]
    Units: ng/mL
        arithmetic mean (standard deviation)
    0.13 ± 0.09
    Notes
    [11] - See description in Cmax - (S)-Norketamine
    No statistical analyses for this end point

    Secondary: PK: Time to maximum plasma concentration (Tmax) - S-Norketamine

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    End point title
    PK: Time to maximum plasma concentration (Tmax) - S-Norketamine [12]
    End point description
    The time to maximum plasma drug concentration was derived directly from the patient's plasma concentration-time profile.
    End point type
    Secondary
    End point timeframe
    Sampling at treatment visit (TV) 1 prior to and 15, 30, 45, 60, 180, and 360 minutes after treatment of the (first) ear.
    Notes
    [12] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period.
    Justification: Of 18 subjects in single dose arms, 11 subjects received AM-101. The samples of the 11 AM-101 dosed subjects were used for PK analysis.
    End point values
    AM-101 0.81 mg/mL gel (single)
    Number of subjects analysed
    11 [13]
    Units: min
        number (not applicable)
    233.3
    Notes
    [13] - See description in Cmax - (S)-Norketamine
    No statistical analyses for this end point

    Secondary: PK: Area under the plasma concentration-time curve - S-Norketamine

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    End point title
    PK: Area under the plasma concentration-time curve - S-Norketamine [14]
    End point description
    End point type
    Secondary
    End point timeframe
    Sampling at treatment visit (TV) 1 prior to and 15, 30, 45, 60, 180, and 360 minutes after treatment of the (first) ear.
    Notes
    [14] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period.
    Justification: Of 18 subjects in single dose arms, 11 subjects received AM-101. The samples of the 11 AM-101 dosed subjects were used for PK analysis.
    End point values
    AM-101 0.81 mg/mL gel (single)
    Number of subjects analysed
    11 [15]
    Units: ng min/mL
        number (not applicable)
    30.67
    Notes
    [15] - See description in Cmax - (S)-Norketamine
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From baseline to end of study at all visits.
    Adverse event reporting additional description
    Assessed by investigator at all visits. The occurrence of a treatment emergent adverse event in the same subject more than once was counted only once for non-serious adverse events.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    16.0
    Reporting groups
    Reporting group title
    Placebo (single)
    Reporting group description
    Single administration of placebo gel at D0.

    Reporting group title
    AM-101 0.81 mg/mL gel (single)
    Reporting group description
    Single administration of AM-101 0.81 mg/mL gel at D0

    Reporting group title
    Placebo (triple)
    Reporting group description
    Triple administration over 2 weeks of placebo gel at D0, D7, D14

    Reporting group title
    AM-101 0.81 mg/mL gel (triple)
    Reporting group description
    Triple administration over 2 weeks of AM-101 0.81 mg/mL gel at D0, D7, D14

    Serious adverse events
    Placebo (single) AM-101 0.81 mg/mL gel (single) Placebo (triple) AM-101 0.81 mg/mL gel (triple)
    Total subjects affected by serious adverse events
         subjects affected / exposed
    0 / 14 (0.00%)
    0 / 32 (0.00%)
    0 / 13 (0.00%)
    1 / 25 (4.00%)
         number of deaths (all causes)
    0
    0
    0
    0
         number of deaths resulting from adverse events
    0
    0
    0
    0
    Nervous system disorders
    Cubital tunnel syndrome
         subjects affected / exposed
    0 / 14 (0.00%)
    0 / 32 (0.00%)
    0 / 13 (0.00%)
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 2.4%
    Non-serious adverse events
    Placebo (single) AM-101 0.81 mg/mL gel (single) Placebo (triple) AM-101 0.81 mg/mL gel (triple)
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    9 / 14 (64.29%)
    15 / 32 (46.88%)
    8 / 13 (61.54%)
    13 / 25 (52.00%)
    Investigations
    Blood triglycerides increased
         subjects affected / exposed
    0 / 14 (0.00%)
    1 / 32 (3.13%)
    0 / 13 (0.00%)
    1 / 25 (4.00%)
         occurrences all number
    0
    1
    0
    1
    Nervous system disorders
    Dizziness
         subjects affected / exposed
    1 / 14 (7.14%)
    0 / 32 (0.00%)
    0 / 13 (0.00%)
    1 / 25 (4.00%)
         occurrences all number
    1
    0
    0
    1
    Ear and labyrinth disorders
    Ear discomfort
         subjects affected / exposed
    0 / 14 (0.00%)
    2 / 32 (6.25%)
    0 / 13 (0.00%)
    1 / 25 (4.00%)
         occurrences all number
    0
    2
    0
    1
    Ear pain
         subjects affected / exposed
    1 / 14 (7.14%)
    3 / 32 (9.38%)
    1 / 13 (7.69%)
    1 / 25 (4.00%)
         occurrences all number
    1
    3
    1
    1
    Hypoacusis
         subjects affected / exposed
    1 / 14 (7.14%)
    3 / 32 (9.38%)
    3 / 13 (23.08%)
    2 / 25 (8.00%)
         occurrences all number
    1
    3
    3
    2
    Tinnitus
         subjects affected / exposed
    3 / 14 (21.43%)
    4 / 32 (12.50%)
    3 / 13 (23.08%)
    4 / 25 (16.00%)
         occurrences all number
    3
    4
    3
    4
    Psychiatric disorders
    Depression
         subjects affected / exposed
    0 / 14 (0.00%)
    1 / 32 (3.13%)
    1 / 13 (7.69%)
    0 / 25 (0.00%)
         occurrences all number
    0
    1
    1
    0
    Musculoskeletal and connective tissue disorders
    Back pain
         subjects affected / exposed
    1 / 14 (7.14%)
    0 / 32 (0.00%)
    1 / 13 (7.69%)
    0 / 25 (0.00%)
         occurrences all number
    1
    0
    1
    0
    Infections and infestations
    Nasopharyngitis
         subjects affected / exposed
    0 / 14 (0.00%)
    0 / 32 (0.00%)
    2 / 13 (15.38%)
    0 / 25 (0.00%)
         occurrences all number
    0
    0
    2
    0
    Incision site haemorrhage
    Additional description: *refers to verbatims “blood crust on location of paracentesis” / “tympanic membrane crusting on paracentesis site”
         subjects affected / exposed
    2 / 14 (14.29%)
    3 / 32 (9.38%)
    0 / 13 (0.00%)
    5 / 25 (20.00%)
         occurrences all number
    2
    3
    0
    5
    Metabolism and nutrition disorders
    Hypercholesterolaemia
         subjects affected / exposed
    1 / 14 (7.14%)
    1 / 32 (3.13%)
    0 / 13 (0.00%)
    0 / 25 (0.00%)
         occurrences all number
    1
    1
    0
    0

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    10 Nov 2011
    - Change of primary efficacy variable from MML to TLQ to take into account results from study AM-101-CL-08-01 and preliminary results from study AM-101-CL-10-01. - Elimination of MML ≥ 5 dB (SL) as inclusion criterion to reflect relegation of MML from primary to secondary efficacy endpoint. Correspondingly, also exclusion criterion "Tinnitus that is not completely maskable" was removed. - Increase of sample size from 36 to 72 to reflect change in primary endpoint. - Addition of THI-12 questionnaire and 3 specific sleep impact questions as secondary efficacy outcome variables. - Exclusion of cases of ISSNHL-related tinnitus due to lack of clear efficacy in study AM-101-CL-08-01. Examinations specifically required for ISSNHL subjects, i.e. speech audiometry and auditory brainstem response, were removed. - Change in dose regimen for Cohort 2 from 3 doses over 3 consecutive days to 3 doses over 2 weeks to evaluate an additional / other dose regimen than applied in study AM-101-CL-08-01. The study duration for Cohort 2 was extended from 90 to 104 (= 90 + 14) days. - Addition of Belgium, Poland, and Germany as study countries with Auris Medical AG as Sponsor for European sites.
    26 Apr 2012
    - Removal of blood sampling for PK analysis in Cohort 2 as redundant based on reassessment of known PK data. - Phone contact with subjects added at Day 60 to better collect possible AEs between FUV2 and FUV3.

    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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