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    Clinical Trial Results:
    A multicenter, placebo-controlled, single dose study in acute episodic and chronic cluster headache to evaluate the safety and efficacy of SOM230 subcutaneous (s.c.)

    Summary
    EudraCT number
    2015-004436-34
    Trial protocol
    DE   GB  
    Global end of trial date
    25 Sep 2018

    Results information
    Results version number
    v1(current)
    This version publication date
    04 Oct 2019
    First version publication date
    04 Oct 2019
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    CSOM230Y2201
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT02619617
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Novartis Pharma AG
    Sponsor organisation address
    CH-4002, Basel, Switzerland,
    Public contact
    Clinical Disclosure Office, Novartis Pharma AG, 41 613241111, Novartis.email@novartis.com
    Scientific contact
    Study Director, Novartis Pharma AG, 41 613241111, Novartis.email@novartis.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
    25 Sep 2018
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    25 Sep 2018
    Was the trial ended prematurely?
    Yes
    General information about the trial
    Main objective of the trial
    To assess headache response of single s.c. dose of SOM230 compared to placebo in managing CH attack at 30 minutes post-dosing
    Protection of trial subjects
    The study was in compliance with the ethical principles derived from the Declaration of Helsinki and the International Conference on Harmonization (ICH) Good Clinical Practice (GCP) guidelines. All the local regulatory requirements pertinent to safety of trial subjects were also followed during the conduct of the trial.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    31 Oct 2016
    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: 27
    Country: Number of subjects enrolled
    United Kingdom: 1
    Country: Number of subjects enrolled
    Germany: 2
    Worldwide total number of subjects
    30
    EEA total number of subjects
    3
    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)
    29
    From 65 to 84 years
    1
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    -

    Pre-assignment
    Screening details
    This non-confirmatory study was planned to be conducted in 2 Cohorts using a one-sequence two-period design to compare SOM230 vs. placebo. Two consecutive CH attacks were treated: the first attack was treated with placebo (Period 1) and the subsequent attack was treated with SOM230 (Period 2). It was decided not to initiate Cohort 2.

    Period 1
    Period 1 title
    Overall Study (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Non-randomised - controlled
    Blinding used
    Single blind
    Roles blinded
    Subject

    Arms
    Arm title
    Placebo s.c. /1.5 mg SOM230 s.c.
    Arm description
    A: single dose of placebo s.c. (Period 1) B: single dose of 1.5 mg s.c. SOM230 (Period 2)
    Arm type
    Experimental

    Investigational medicinal product name
    SOM230
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Solution for injection
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    Cohort 1:  A: single dose of placebo s.c. (Cohort 1-Period 1)  B: single dose of 1.5 mg s.c. SOM230 (Cohort 1-Period 2) Subjects received both treatments starting with placebo

    Number of subjects in period 1
    Placebo s.c. /1.5 mg SOM230 s.c.
    Started
    30
    Completed
    24
    Not completed
    6
         Physician decision
    5
         Protocol deviation
    1

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Placebo s.c. /1.5 mg SOM230 s.c.
    Reporting group description
    A: single dose of placebo s.c. (Period 1) B: single dose of 1.5 mg s.c. SOM230 (Period 2)

    Reporting group values
    Placebo s.c. /1.5 mg SOM230 s.c. Total
    Number of subjects
    30 30
    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)
    28 28
        From 65-84 years
    0 0
        85 years and over
    0 0
        Not recorded
    2 2
    Age Continuous
    Data for 2 patients were not recorded and thus not included in the mean age (SD) calculation. Subject demographics data on N=28 (the safety analysis set - included all subjects that received any study drug).
    Units: Years
        arithmetic mean (standard deviation)
    43.9 ( 10.55 ) -
    Sex: Female, Male
    Units: Subjects
        Female
    6 6
        Male
    22 22
        Not known
    2 2
    Ethnicity (NIH/OMB)
    Data for 2 patients were not recorded and thus not included in the subject demographics data. Subject demographics data on N=28 (the safety analysis set - included all subjects that received any study drug).
    Units: Subjects
        Hispanic or Latino
    3 3
        Not Hispanic or Latino
    3 3
        Unknown or Not Reported
    24 24

    End points

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    End points reporting groups
    Reporting group title
    Placebo s.c. /1.5 mg SOM230 s.c.
    Reporting group description
    A: single dose of placebo s.c. (Period 1) B: single dose of 1.5 mg s.c. SOM230 (Period 2)

    Subject analysis set title
    SOM230 1.5 mg
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    single dose of 1.5 mg s.c. SOM230

    Subject analysis set title
    Placebo s.c.
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    A single dose of placebo s.c.

    Primary: Percent (%) of patients with headache response

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    End point title
    Percent (%) of patients with headache response
    End point description
    Defined as very severe, severe, or moderate pain before dosing that becomes mild or nil at 30 minutes post-dosing
    End point type
    Primary
    End point timeframe
    30 minutes post dose
    End point values
    SOM230 1.5 mg Placebo s.c.
    Number of subjects analysed
    20 [1]
    20 [2]
    Units: Participants
    10
    9
    Notes
    [1] - these 20 patients in the SOM230 arm is the same 20 patients in the placebo arm.
    [2] - these 20 patients in the SOM230 arm is the same 20 patients in the placebo arm.
    Statistical analysis title
    Percent of patients with headache response
    Statistical analysis description
    There are 20 patients total in this analysis ( the 20 patients in the SOM230 arm are the same 20 patients in the placebo arm).
    Comparison groups
    Placebo s.c. v SOM230 1.5 mg
    Number of subjects included in analysis
    40
    Analysis specification
    Pre-specified
    Analysis type
    other [3]
    P-value
    = 0.698
    Method
    Regression, Logistic
    Parameter type
    Odds ratio (OR)
    Point estimate
    1.308
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    0.419
         upper limit
    4.082
    Notes
    [3] - 1.5mg SOM230 s.c. vs. Placebo s.c.

    Secondary: Percent of patients who are pain free at 30 minutes post dose

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    End point title
    Percent of patients who are pain free at 30 minutes post dose
    End point description
    Percentage of subjects pain free and of subjects reporting improvement of associated autonomic symptoms (for example, lacrimation, blushing, pupil constriction, etc.) over time was tabulated by dose. Number and percentage of subjects who received rescue medication at or after 30 minutes.
    End point type
    Secondary
    End point timeframe
    30 mins post dose
    End point values
    SOM230 1.5 mg Placebo s.c.
    Number of subjects analysed
    20 [4]
    20 [5]
    Units: Participants
    7
    5
    Notes
    [4] - these 20 patients in the SOM230 arm is the same 20 patients in the placebo arm.
    [5] - these 20 patients in the SOM230 arm is the same 20 patients in the placebo arm.
    Statistical analysis title
    Percent of patients pain-free 30-minutes post dose
    Statistical analysis description
    There are 20 patients in this analysis ( the 20 patients in the SOM230 arm are the same 20 patients in the placebo arm).
    Comparison groups
    Placebo s.c. v SOM230 1.5 mg
    Number of subjects included in analysis
    40
    Analysis specification
    Pre-specified
    Analysis type
    other [6]
    P-value
    = 0.385
    Method
    Regression, Logistic
    Parameter type
    Odds ratio (OR)
    Point estimate
    2.033
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    0.53
         upper limit
    7.79
    Notes
    [6] - 1.5mg SOM230 s.c. vs. Placebo s.c.

    Secondary: Hemoglobin

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    End point title
    Hemoglobin
    End point description
    Hematology lab parameters by treatment and time point
    End point type
    Secondary
    End point timeframe
    throughout study, up up 9 days after treatment
    End point values
    Placebo s.c. /1.5 mg SOM230 s.c.
    Number of subjects analysed
    28
    Units: g/L
    arithmetic mean (standard deviation)
        Screening
    153.4 ( 12.93 )
        End of Study
    149.5 ( 15.13 )
    No statistical analyses for this end point

    Secondary: Pulse Rate

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    End point title
    Pulse Rate
    End point description
    Vital signs by treatment and time point
    End point type
    Secondary
    End point timeframe
    throughout study, up up 9 days after treatment
    End point values
    Placebo s.c. /1.5 mg SOM230 s.c.
    Number of subjects analysed
    28
    Units: Beats/min
    arithmetic mean (standard deviation)
        Screening
    77.2 ( 15.02 )
        Baseline
    78.1 ( 11.99 )
        Period 1
    76.9 ( 12.77 )
        Period 2
    74.0 ( 10.86 )
        End of Study
    81.1 ( 13.50 )
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Adverse events were collected from first dose of study treatment until end of study treatment plus 30 days post treatment, up to maximum duration of 26 months.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    21.1
    Reporting groups
    Reporting group title
    Placebo s.c.
    Reporting group description
    Placebo s.c.

    Reporting group title
    1.5 mg SOM230 s.c.
    Reporting group description
    1.5 mg SOM230 s.c.

    Serious adverse events
    Placebo s.c. 1.5 mg SOM230 s.c.
    Total subjects affected by serious adverse events
         subjects affected / exposed
    0 / 28 (0.00%)
    0 / 26 (0.00%)
         number of deaths (all causes)
    0
    0
         number of deaths resulting from adverse events
    0
    0
    Frequency threshold for reporting non-serious adverse events: 0%
    Non-serious adverse events
    Placebo s.c. 1.5 mg SOM230 s.c.
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    5 / 28 (17.86%)
    23 / 26 (88.46%)
    Investigations
    Haematocrit decreased
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Red blood cell count decreased
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Injury, poisoning and procedural complications
    Contusion
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Ligament sprain
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Vascular disorders
    Flushing
         subjects affected / exposed
    1 / 28 (3.57%)
    1 / 26 (3.85%)
         occurrences all number
    1
    1
    Cardiac disorders
    Palpitations
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Nervous system disorders
    Dizziness
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Headache
         subjects affected / exposed
    0 / 28 (0.00%)
    2 / 26 (7.69%)
         occurrences all number
    0
    2
    General disorders and administration site conditions
    Fatigue
         subjects affected / exposed
    1 / 28 (3.57%)
    6 / 26 (23.08%)
         occurrences all number
    1
    6
    Injection site bruising
         subjects affected / exposed
    1 / 28 (3.57%)
    0 / 26 (0.00%)
         occurrences all number
    1
    0
    Injection site erythema
         subjects affected / exposed
    1 / 28 (3.57%)
    4 / 26 (15.38%)
         occurrences all number
    1
    4
    Injection site pain
         subjects affected / exposed
    1 / 28 (3.57%)
    5 / 26 (19.23%)
         occurrences all number
    1
    5
    Injection site reaction
         subjects affected / exposed
    1 / 28 (3.57%)
    1 / 26 (3.85%)
         occurrences all number
    1
    1
    Injection site warmth
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Vessel puncture site bruise
         subjects affected / exposed
    1 / 28 (3.57%)
    0 / 26 (0.00%)
         occurrences all number
    1
    0
    Malaise
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Gastrointestinal disorders
    Abdominal distension
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Abdominal pain
         subjects affected / exposed
    0 / 28 (0.00%)
    3 / 26 (11.54%)
         occurrences all number
    0
    3
    Flatulence
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Diarrhoea
         subjects affected / exposed
    0 / 28 (0.00%)
    7 / 26 (26.92%)
         occurrences all number
    0
    7
    Nausea
         subjects affected / exposed
    0 / 28 (0.00%)
    12 / 26 (46.15%)
         occurrences all number
    0
    12
    Vomiting
         subjects affected / exposed
    1 / 28 (3.57%)
    7 / 26 (26.92%)
         occurrences all number
    1
    7
    Respiratory, thoracic and mediastinal disorders
    Pleuritic pain
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Skin and subcutaneous tissue disorders
    Pruritus
         subjects affected / exposed
    0 / 28 (0.00%)
    1 / 26 (3.85%)
         occurrences all number
    0
    1
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    0 / 28 (0.00%)
    2 / 26 (7.69%)
         occurrences all number
    0
    2

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    02 Feb 2016
    Modified the study design to conduct Part A in 2 consecutive cohorts: assessment of the 1.5 mg dose of SOM230 (s.c.) versus placebo in the first Cohort; then, based on the 1.5 mg dose efficacy and safety data, the 0.9 mg dose may be evaluated in the second Cohort. Saliva biomarker assessment was removed from this study to minimize the burden on subjects given the nature of the study disease and the challenges in collecting these samples.
    02 May 2016
    Modified the study design to conduct a 2 period one- sequence design comparing SOM230 to Placebo. Study participants were expected to be mainly non-sumatriptan users (subjects who were non-tolerant, resistant or had contraindication for sumatriptan). Therefore enrolling subjects into Part B where a comparative sumatriptan arm was included was very difficult and Part B was eliminated. To increase statistical power a one-sequence two-period design with all subjects receiving placebo for the first attack and SOM230 for the second attack was used. Given the nature of the disease (repeated attacks up to 8 attacks/day for up to 2 months), the relatively long half-life of SOM230, and to ensure consistency between attacks, treating 2 consecutive attacks in a one-sequence two-period design with a fixed placebo treatment in Period 1 was more appropriate to CH subjects avoiding any carryover effects.
    02 Mar 2017
    Modified the study exclusion criteria required for male subjects’ contraception and clarified some study descriptions.
    02 Mar 2018
    To allow for clinic domiciling of a subject if deemed appropriate by an Investigator. The UK site was executing the protocol amendment 2, while the US and Germany sites were executing the protocol amendment 3, as they reflect local Health Authority requirements for male contraception. Amendment 4 harmonized the protocol and accommodated differences in local Health Authority requirements for male contraception.

    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.
    Terminated (Non-efficacy in first Phase 2a cohort.)
    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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