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    Clinical Trial Results:
    Molecularly stratified parallel group phase II trial of the phosphoinositide 3-kinase (PI3K) inhibitor BKM120 in combination with tamoxifen in patients with hormone receptor-positive, HER2-negative inoperable (locally advanced or metastatic) breast cancer with prior exposure to antihormonal therapy

    Summary
    EudraCT number
    2014-000599-24
    Trial protocol
    DE  
    Global end of trial date
    18 Oct 2017

    Results information
    Results version number
    v1(current)
    This version publication date
    28 Oct 2018
    First version publication date
    28 Oct 2018
    Other versions
    Summary report(s)
    PIKTAM_Synopsis_CSR_FINAL_V2.0_20181004

    Trial information

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    Trial identification
    Sponsor protocol code
    iOM-02282
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT02404844
    WHO universal trial number (UTN)
    -
    Other trial identifiers
    Study Code Novartis - IMP supply : CBKM120ZDE02T, Code of AIO: AIO-MAM-0114/ass
    Sponsors
    Sponsor organisation name
    Universitätsklinikum Essen, Westdeutsches Tumorzentrum
    Sponsor organisation address
    Hufelandstr. 55, Essen, Germany, 45147
    Public contact
    Contract Research Organization, iOMEDICO AG, +49 761152420, info@iomedico.com
    Scientific contact
    Contract Research Organization, iOMEDICO AG, +49 761152420, info@iomedico.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
    04 Jun 2018
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    18 Oct 2017
    Global end of trial reached?
    Yes
    Global end of trial date
    18 Oct 2017
    Was the trial ended prematurely?
    Yes
    General information about the trial
    Main objective of the trial
    To evaluate efficacy of BKM120 in combination with tamoxifen in patients with ER/PR-positive, HER2-negative breast cancer stratified to PIK3CA mutation and preserved PTEN expression, loss of PTEN expression +/- PIK3CA mutation or PIK3CA wild type and preserved PTEN expression
    Protection of trial subjects
    Safety and tolerability assessments: routine laboratory parameters, urinalysis and vital signs, ECOG, weight, pregnancy testing, collection of the adverse events, PHQ-9 and GAD-7 questionnaires to facilitate identification and severity assessment of potential mood alterations, ECG and cardiac imaging
    Background therapy
    Tamoxifen: 20 mg/day, orally, on a continuous dosing schedule without interruption starting on day 1 in 28 day cycle
    Evidence for comparator
    -
    Actual start date of recruitment
    29 Dec 2014
    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
    Germany: 48
    Worldwide total number of subjects
    48
    EEA total number of subjects
    48
    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)
    27
    From 65 to 84 years
    21
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    The investigator enrolled patients based on previously defined inclusion (IC) and exclusion criteriea (EC). Patients who fulfilled all of the IC and non of the EC were eligible to PIKTAM trial.

    Pre-assignment
    Screening details
    Pre-Screening: Biomarker analysis for PI3K pathway activation (PIK3CA and PTEN mutation status) performed centrally by the Laboratory of Molecular Pathology, Institute of Pathology, University Hospital of Essen, using archival tissue samples for molecular stratification. Screening: Check of further inclusion and exclusion criteria.

    Pre-assignment period milestones
    Number of subjects started
    48
    Number of subjects completed
    25

    Pre-assignment subject non-completion reasons
    Reason: Number of subjects
    Study recruitment terminated by sponsor: 7
    Reason: Number of subjects
    Screening failure: 16
    Period 1
    Period 1 title
    PIKTAM Overall trial (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Not applicable
    Blinding used
    Not blinded

    Arms
    Arm title
    Total population
    Arm description
    All patients received the investigational drug Buparlisib (BKM120) and in addition, daily tamoxifen as background treatment.
    Arm type
    Experimental

    Investigational medicinal product name
    Buparlisib
    Investigational medicinal product code
    Other name
    BKM120
    Pharmaceutical forms
    Capsule
    Routes of administration
    Oral use
    Dosage and administration details
    Dosing regimen: • Buparlisib (BKM120): 100 mg/day, orally, on a continuous dosing schedule without interruption starting on day 1 in 28 day cycle • Tamoxifen: 20 mg/day, orally, on a continuous dosing schedule without interruption starting on day 1 in 28 day cycle

    Number of subjects in period 1 [1]
    Total population
    Started
    25
    Completed
    24
    Not completed
    1
         Lost to follow-up
    1
    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: 48 Patients were enrolled in pre-screening phase for analysis of biomarker status of PI3K pathway activation, 35 patients entered screening phase of the trial. Of those, only 25 patients were treated with buparlisib and are considered for data analysis.

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    PIKTAM Overall trial
    Reporting group description
    -

    Reporting group values
    PIKTAM Overall trial Total
    Number of subjects
    25 25
    Age categorical
    Units: Subjects
        Adults (18-64 years)
    16 16
        From 65-84 years
    9 9
        85 years and over
    0 0
    Age continuous
    Units: years
        median (full range (min-max))
    62.9 (49.0 to 80.7) -
    Gender categorical
    Units: Subjects
        Female
    25 25
    ECOG performance status
    Units: Subjects
        0 - fully functional, no symptoms
    18 18
        1 - with symptoms, able to carry out light work
    7 7
    Mutation status PTEN
    Units: Subjects
        PTEN preserved
    22 22
        PTEN loss
    3 3
    Mutation status PIK3CA (exon 10)
    Units: Subjects
        WT (exon 10)
    21 21
        Mutant (exon 10)
    4 4
    Mutation status PIK3CA (exon 21)
    Units: Subjects
        WT (exon 21)
    20 20
        Mutant (exon 21)
    5 5
    Tumor localization at primary diagnosis
    Units: Subjects
        left
    17 17
        right
    8 8
    Histology at primary diagnosis
    Units: Subjects
        invasive ductal
    17 17
        invasive lobular
    5 5
        other
    3 3
    Tumor resections
    Units: Subjects
        Yes
    23 23
        No
    2 2
    Outcome of tumor resection
    Units: Subjects
        R0
    16 16
        R1
    4 4
        R2
    1 1
        RX
    2 2
        No resection
    2 2
    Number of previous palliative treatment lines
    Units: Subjects
        No previous palliative treatment line
    3 3
        1 previous palliative treatment line
    13 13
        2 previous palliative treatment lines
    6 6
        >/= 3 previous palliative teratment lines
    3 3
    BMI
    Units: kg/m2
        median (full range (min-max))
    24.2 (17.2 to 34.8) -
    PHQ-9 total score
    Units: total score
        median (full range (min-max))
    2.0 (0.0 to 9.0) -
    GAD-7 total score
    Units: total score
        median (full range (min-max))
    1.0 (0.0 to 6.0) -
    Time from primary diagnosis to date of first study treatment
    Units: years
        median (full range (min-max))
    7.8 (0.9 to 26.9) -
    Time from first relapse/metastatic disease to date of first study treatment
    Units: years
        median (full range (min-max))
    1.8 (0.1 to 11.8) -
    Disease-free interval
    Units: years
        median (full range (min-max))
    10.6 (2.1 to 16.1) -
    Subject analysis sets

    Subject analysis set title
    mITT
    Subject analysis set type
    Modified intention-to-treat
    Subject analysis set description
    The mITT population comprised all patients who qualified for analysis of the primary endpoint, i.e. all patients who received at least one dose of buparlisib and with tumor assessment performed at 6 months, unless patients progressed or died before completion of 6 months of treatment. Patient dropping out of the study before reaching the 6 months tumor assessment for reason other than progression were not evaluable for the primary endpoint. The mITT was the relevant population for the efficacy evaluation including demographic and other baseline characteristics as well as study treatment evaluations.

    Subject analysis set title
    PIK3CA mutation and preserved PTEN expression
    Subject analysis set type
    Modified intention-to-treat
    Subject analysis set description
    Subgroup of mITT population stratified according to biomarker status for PI3K pathway activation, as determined histologically using archival tumor tissue samples: PIK3CA mutation (exon 10 and/or exon21) and preserved PTEN expression.

    Subject analysis set title
    Loss of PTEN expression +/- PIK3CA mutation
    Subject analysis set type
    Modified intention-to-treat
    Subject analysis set description
    Subgroup of mITT population stratified according to biomarker status for PI3K pathway activation, as determined histologically using archival tumor tissue samples: Loss of PTEN expression +/- PIK3CA mutation (exon 10 and/or exon 21).

    Subject analysis set title
    PIK3CA wild type and preserved PTEN expression
    Subject analysis set type
    Modified intention-to-treat
    Subject analysis set description
    Subgroup of mITT population stratified according to biomarker status for PI3K pathway activation, as determined histologically using archival tumor tissue samples: PIK3CA wild type and preserved PTEN expression.

    Subject analysis sets values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects
    21
    8
    2
    11
    Age categorical
    Units: Subjects
        Adults (18-64 years)
    15
    6
    1
    8
        From 65-84 years
    6
    2
    1
    3
        85 years and over
    0
    0
    0
    0
    Age continuous
    Units: years
        median (full range (min-max))
    62.8 (49.0 to 80.7)
    63.2 (57.8 to 80.7)
    65.7 (62.5 to 69.0)
    61.8 (49.0 to 73.7)
    Gender categorical
    Units: Subjects
        Female
    21
    8
    2
    11
    ECOG performance status
    Units: Subjects
        0 - fully functional, no symptoms
    15
    6
    0
    9
        1 - with symptoms, able to carry out light work
    6
    2
    2
    2
    Mutation status PTEN
    Units: Subjects
        PTEN preserved
    19
    8
    0
    11
        PTEN loss
    2
    0
    2
    0
    Mutation status PIK3CA (exon 10)
    Units: Subjects
        WT (exon 10)
    18
    5
    2
    11
        Mutant (exon 10)
    3
    3
    0
    0
    Mutation status PIK3CA (exon 21)
    Units: Subjects
        WT (exon 21)
    16
    3
    2
    11
        Mutant (exon 21)
    5
    5
    0
    0
    Tumor localization at primary diagnosis
    Units: Subjects
        left
    14
    6
    0
    8
        right
    7
    2
    2
    3
    Histology at primary diagnosis
    Units: Subjects
        invasive ductal
    15
    6
    1
    8
        invasive lobular
    4
    2
    1
    1
        other
    2
    0
    0
    2
    Tumor resections
    Units: Subjects
        Yes
    20
    8
    2
    10
        No
    1
    0
    0
    1
    Outcome of tumor resection
    Units: Subjects
        R0
    14
    6
    1
    7
        R1
    3
    1
    1
    1
        R2
    1
    0
    0
    1
        RX
    2
    1
    0
    1
        No resection
    1
    0
    0
    1
    Number of previous palliative treatment lines
    Units: Subjects
        No previous palliative treatment line
    3
    0
    1
    2
        1 previous palliative treatment line
    11
    5
    0
    6
        2 previous palliative treatment lines
    5
    2
    1
    2
        >/= 3 previous palliative teratment lines
    2
    1
    0
    1
    BMI
    Units: kg/m2
        median (full range (min-max))
    26.4 (17.2 to 34.8)
    28.0 (17.2 to 34.8)
    24.7 (21.8 to 27.7)
    24.0 (19.7 to 32.8)
    PHQ-9 total score
    Units: total score
        median (full range (min-max))
    1.0 (0.0 to 9.0)
    1.0 (0.0 to 9.0)
    3.0 (2.0 to 4.0)
    1.0 (0.0 to 6.0)
    GAD-7 total score
    Units: total score
        median (full range (min-max))
    1.0 (0.0 to 6.0)
    0.0 (0.0 to 6.0)
    1.0 (0.0 to 2.0)
    1.0 (0.0 to 6.0)
    Time from primary diagnosis to date of first study treatment
    Units: years
        median (full range (min-max))
    4.9 (0.9 to 26.9)
    9.4 (1.6 to 26.9)
    2.9 (0.9 to 4.9)
    8.8 (0.9 to 21.4)
    Time from first relapse/metastatic disease to date of first study treatment
    Units: years
        median (full range (min-max))
    1.6 (0.1 to 11.8)
    1.7 (0.1 to 11.8)
    2.0 (1.0 to 3.0)
    1.2 (0.1 to 10.6)
    Disease-free interval
    Units: years
        median (full range (min-max))
    9.6 (2.1 to 15.1)
    13.7 (2.4 to 15.1)
    6.9 (2.1 to 13.3)

    End points

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    End points reporting groups
    Reporting group title
    Total population
    Reporting group description
    All patients received the investigational drug Buparlisib (BKM120) and in addition, daily tamoxifen as background treatment.

    Subject analysis set title
    mITT
    Subject analysis set type
    Modified intention-to-treat
    Subject analysis set description
    The mITT population comprised all patients who qualified for analysis of the primary endpoint, i.e. all patients who received at least one dose of buparlisib and with tumor assessment performed at 6 months, unless patients progressed or died before completion of 6 months of treatment. Patient dropping out of the study before reaching the 6 months tumor assessment for reason other than progression were not evaluable for the primary endpoint. The mITT was the relevant population for the efficacy evaluation including demographic and other baseline characteristics as well as study treatment evaluations.

    Subject analysis set title
    PIK3CA mutation and preserved PTEN expression
    Subject analysis set type
    Modified intention-to-treat
    Subject analysis set description
    Subgroup of mITT population stratified according to biomarker status for PI3K pathway activation, as determined histologically using archival tumor tissue samples: PIK3CA mutation (exon 10 and/or exon21) and preserved PTEN expression.

    Subject analysis set title
    Loss of PTEN expression +/- PIK3CA mutation
    Subject analysis set type
    Modified intention-to-treat
    Subject analysis set description
    Subgroup of mITT population stratified according to biomarker status for PI3K pathway activation, as determined histologically using archival tumor tissue samples: Loss of PTEN expression +/- PIK3CA mutation (exon 10 and/or exon 21).

    Subject analysis set title
    PIK3CA wild type and preserved PTEN expression
    Subject analysis set type
    Modified intention-to-treat
    Subject analysis set description
    Subgroup of mITT population stratified according to biomarker status for PI3K pathway activation, as determined histologically using archival tumor tissue samples: PIK3CA wild type and preserved PTEN expression.

    Primary: 6-month PFS rate

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    End point title
    6-month PFS rate [1]
    End point description
    The primary endpoint is defined as the proportion of progression-free patients in the full population at month 6 (defined as 6-month tumor assessment: month 6 +/- 1 week). Patients discontinuing the study prior to the 6-month assessment for reasons other than progression or death are not evaluable for the analysis of the primary endpoint. Null hypothesis: The 6-month progression-free survival (PFS) rate is less than or equal to p0 = 0.400. Alternative hypothesis: The 6-month PFS rate is greater than or equal to p1 = 0.540. The null hypothesis is accepted if the number of progression-free patients is equal to or less than a critical value r determined as follows: r is the smallest number of progression-free patients for which applies ∑ [i=1, r] Bin(i|0.400,n) >0.95 (exact binomial test, n = number of patients in mITT population). If the number of progression-free patients is r+1 or greater the null hypothesis is rejected.
    End point type
    Primary
    End point timeframe
    Time from first study drug administration to 6-month tumor assessment: month 6 +/- 1 week.
    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: Statistical analysis of the primary endpoint has been performed as defined in the protocol: Seven patients (33.3%) in the mITT population were progression-free at 6 months with a one-sided 95%-CI of 16.82 – 100 and a p-value of 0.800 (exact binominal test).
    End point values
    mITT
    Number of subjects analysed
    21
    Units: Percentage of patients
        number (confidence interval 95%)
    33.33 (16.82 to 100)
    No statistical analyses for this end point

    Secondary: 6-month PFS rate in biomarker stratification groups

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    End point title
    6-month PFS rate in biomarker stratification groups
    End point description
    6-month PFS rate in the biomarker stratification groups.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration to 6-month tumor assessment: month 6 +/- 1 week.
    End point values
    PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    8
    2
    11
    Units: Percentage of patients
        number (confidence interval 95%)
    62.50 (28.92 to 100)
    0.00 (0.00 to 100)
    18.18 (3.33 to 100)
    No statistical analyses for this end point

    Secondary: PFS

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    End point title
    PFS
    End point description
    Progression-free survival (PFS) is defined as the time from first study drug administration to tumor progression or death from any cause. Patients without an event (progression or death) at the time of analysis or starting a subsequent antineoplastic therapy before propgression will be right-censored at the date of last adequate tumor assessment or at the start date of the subsequent therapy whichever comes first.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration to tumor progression or death from any cause.
    End point values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    21
    8
    2
    11
    Units: months
        median (confidence interval 95%)
    4.8 (2.5 to 10.0)
    8.7 (1.4 to 16.7)
    2.1 (1.7 to 2.5)
    4.8 (1.4 to 10.0)
    No statistical analyses for this end point

    Secondary: OS

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    End point title
    OS
    End point description
    Overall survival (OS) is defined as the time from first study drug administration to death from any cause. If a patient was not known to have died by the date of analysis, OS was censored at the date of last known date patient was alive. Due to the low number of patients, the 95% confidence interval is not reached for OS of subgroups "PIK3CA mutation and preserved PTEN expression" and "PIK3CA wild type and preserved PTEN expression". "Not applicable" is shown as "999" in the OS results.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration to death from any cause.
    End point values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    21
    8
    2
    11
    Units: months
        median (confidence interval 95%)
    23.8 (12.6 to 25.5)
    20.1 (5.7 to 999)
    12.8 (1.7 to 24.0)
    23.8 (9.8 to 999)
    No statistical analyses for this end point

    Secondary: 1-year OS rate

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    End point title
    1-year OS rate
    End point description
    1-year overall survival (OS) rates, is defined as the proportion of patients alive after one year after first study drug administration.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration until one year after.
    End point values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    21
    8
    2
    11
    Units: Percentage of patients
        number (confidence interval 95%)
    81.0 (56.9 to 92.4)
    87.5 (38.7 to 98.1)
    50.0 (0.6 to 91.0)
    81.8 (44.7 to 95.1)
    No statistical analyses for this end point

    Secondary: 2-year OS rate

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    End point title
    2-year OS rate
    End point description
    2-year overall survival (OS) rates is defined as the proportion of patients alive after two years after first study drug administration.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration until two years after.
    End point values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    21
    8
    2
    11
    Units: Percentage of patients
        number (confidence interval 95%)
    46.6 (24.4 to 66.1)
    50.0 (15.2 to 77.5)
    50.0 (0.6 to 91.0)
    43.6 (14.7 to 69.9)
    No statistical analyses for this end point

    Secondary: Best response - RECIST v1.1

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    End point title
    Best response - RECIST v1.1
    End point description
    Best response is shown as complete (CR), partial response (PR), stable disease (SD) or progressive disease (PD) as assessed during the first 6 months of treatment, including all response assessments up to the tumor assessment at 6 months (month 6 +/- 1 week), according to RECIST v1.1 criteria. Only patients with measurable lesions at baseline were included in the analysis. Relevant response evaluations were all evaluations from first study drug administration up to the 6 months tumor assessment irrespective whether they were performed at the pre-specified time point or not.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration up to the 6 months tumor assessment (month 6 +/- 1 week).
    End point values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    16
    5
    2
    9
    Units: Percentage of patients
    number (confidence interval 95%)
        CR
    0.0 (0.0 to 20.6)
    0.0 (0.0 to 52.2)
    0.0 (0.0 to 84.2)
    0.0 (0.0 to 33.6)
        PR
    12.5 (1.6 to 38.3)
    40.0 (5.3 to 85.3)
    0.0 (0.0 to 84.2)
    0.0 (0.0 to 33.6)
        SD
    50.0 (24.7 to 75.3)
    60.0 (14.7 to 94.7)
    0.0 (0.0 to 84.2)
    55.6 (21.2 to 86.3)
        PD
    31.3 (11.0 to 58.7)
    0.0 (0.0 to 52.2)
    50.0 (1.3 to 98.7)
    44.4 (13.7 to 78.8)
        Not done
    6.3 (0.2 to 30.2)
    0.0 (0.0 to 52.2)
    50.0 (1.3 to 98.7)
    0.0 (0.0 to 33.6)
    No statistical analyses for this end point

    Secondary: Best response - clinically assessed

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    End point title
    Best response - clinically assessed
    End point description
    Best response according to clinical investigator assessment. Relevant response evaluations were all evaluations from first study drug administration up to the 6 months tumor assessment irrespective whether they were performed at the pre-specified time point or not.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration up to the 6 months tumor assessment (month 6 +/- 1 week).
    End point values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    21
    8
    2
    11
    Units: Percentage of patients
    number (confidence interval 95%)
        CR
    0.0 (0.0 to 16.1)
    0.0 (0.0 to 36.9)
    0.0 (0.0 to 84.2)
    0.0 (0.0 to 28.5)
        PR
    14.3 (3.0 to 36.3)
    25.0 (3.2 to 65.1)
    0.0 (0.0 to 84.2)
    9.1 (0.2 to 41.3)
        SD
    38.1 (18.1 to 61.6)
    50.0 (15.7 to 84.3)
    0.0 (0.0 to 84.2)
    36.4 (10.9 to 69.2)
        PD
    42.9 (21.8 to 66.0)
    25.0 (3.2 to 65.1)
    50.0 (1.3 to 98.7)
    54.5 (23.4 to 83.3)
        Not done
    4.8 (0.1 to 23.8)
    0.0 (0.0 to 36.9)
    50.0 (1.3 to 98.7)
    0.0 (0.0 to 28.5)
    No statistical analyses for this end point

    Secondary: Overall response rate - RECIST v1.1

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    End point title
    Overall response rate - RECIST v1.1
    End point description
    Overall response rate (ORR) is defined as the proportion of patients showing a best overall response of complete (CR) or partial response (PR) during the first 6 months of treatment including all response assessments up to the tumor assessment at 6 months (month 6 +/- 1 week) according to RECIST v1.1 criteria. Only patients with measurable lesions at baseline were assessed for ORR.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration to tumor assessment at 6 months (month 6 +/- 1 week).
    End point values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    16
    5
    2
    9
    Units: Percentage of patients
        number (confidence interval 95%)
    12.5 (1.6 to 38.3)
    40.0 (5.3 to 85.3)
    0.0 (0.0 to 84.2)
    0.0 (0.0 to 33.6)
    No statistical analyses for this end point

    Secondary: Overall response rate - clinically assessed

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    End point title
    Overall response rate - clinically assessed
    End point description
    Overall response rate (ORR) according to clinical investigator assessment.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration to tumor assessment at 6 months (month 6 +/- 1 week).
    End point values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    21
    8
    2
    11
    Units: Percentage of patients
        number (confidence interval 95%)
    14.3 (3.0 to 36.3)
    25.0 (3.2 to 65.1)
    0.0 (0.0 to 84.2)
    9.1 (0.2 to 41.3)
    No statistical analyses for this end point

    Secondary: Disease control rate - RECIST v1.1

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    End point title
    Disease control rate - RECIST v1.1
    End point description
    Disease control rate (DCR) is defined as the proportion of patients showing a best overall response CR or PR or stable disease (SD) lasting more than 3 months according to RECIST v1.1. Only patients with measurable lesions at baseline were assessed for DCR. Relevant response evaluations were all evaluations from first study drug administration up to the 6 months tumor assessment. A best response of stable disease (SD) was included in the DCR only if the respective tumor assessment was performed at least 12 weeks (minus 7 days) after treatment start.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration to tumor assessment at 6 months (month 6 +/- 1 week).
    End point values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    16
    5
    2
    9
    Units: Percentage of patients
        number (confidence interval 95%)
    43.8 (19.8 to 70.1)
    80.0 (28.4 to 99.5)
    0.0 (0.0 to 84.2)
    33.3 (7.5 to 70.1)
    No statistical analyses for this end point

    Secondary: Disease control rate - clinically assessed

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    End point title
    Disease control rate - clinically assessed
    End point description
    Disease control rate (DCR), defined as the proportion of patients showing a best overall response CR or PR or stable disease (SD) lasting more than 3 months according to clinical investigator assessment. Relevant response evaluations were all evaluations from first study drug administration up to the 6 months tumor assessment. A best response of stable disease (SD) was included in the DCR only if the respective tumor assessment was performed at least 12 weeks (minus 7 days) after treatment start.
    End point type
    Secondary
    End point timeframe
    Time from first study drug administration to tumor assessment at 6 months (month 6 +/- 1 week).
    End point values
    mITT PIK3CA mutation and preserved PTEN expression Loss of PTEN expression +/- PIK3CA mutation PIK3CA wild type and preserved PTEN expression
    Number of subjects analysed
    21
    8
    2
    11
    Units: Percentage of patients
        number (confidence interval 95%)
    47.6 (25.7 to 70.2)
    75.0 (34.9 to 96.8)
    0.0 (0.0 to 84.2)
    36.4 (10.9 to 69.2)
    No statistical analyses for this end point

    Secondary: PHQ-9 - total scores by visit

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    End point title
    PHQ-9 - total scores by visit
    End point description
    Change in depressive episodes assessed by Patient Health Questionnaire (PHQ)-9 questionnaire. The PHQ-9 questionnaire is a validated questionnaire for screening for the presence and severity of depression. Total PHQ-9 scores can be categorized as follows regarding severity of symptoms of depression: 0-4 = none, 5-9 = mild, 10-19 = moderate, 20-27 = severe. Patients with missing baseline or baseline assessment performed more than 8 days before treatment start were excluded from the analysis. Numbers of patients in cycles might differ from exposure tables if a questionnaire was handed out although the patient did not receive any study medication in the respective cycle.
    End point type
    Secondary
    End point timeframe
    Time from baseline until end of treatment visit.
    End point values
    Total population
    Number of subjects analysed
    20
    Units: Total score
    median (full range (min-max))
        Baseline
    1.0 (0.0 to 7.0)
        Cycle 1 Day 15
    2.0 (0.0 to 15.0)
        Cycle 2 Day 1
    2.0 (0.0 to 6.0)
        Cycle 2 Day 15
    1.0 (0.0 to 9.0)
        Cycle 3 Day 1
    2.5 (0.0 to 6.0)
        Cycle 4 Day 1
    0.0 (0.0 to 6.0)
        Cycle 5 Day 1
    0.0 (0.0 to 4.0)
        Cycle 6 Day 1
    0.5 (0.0 to 5.0)
        End of treatment
    2.0 (0.0 to 20.0)
    No statistical analyses for this end point

    Secondary: GAD-7 - total scores by visit

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    End point title
    GAD-7 - total scores by visit
    End point description
    Change in depressive episodes assessed by Generalized Anxiety Disorder (GAD)-7 questionnaire. The GAD-7 questionnaire is a validated questionnaire for screening and severity measuring of generalized anxiety disorder. Total GAD-7 scores can be categorized as follows regarding severity of symptoms of general anxiety disorder: 0-4 = none, 5-9 = mild, 10-14 = moderate, 15-21 = severe. Patients with missing baseline or baseline assessment performed more than 8 days before treatment start were excluded from the analysis. Numbers of patients in cycles might differ from exposure tables if a questionnaire was handed out although the patient did not receive any study medication in the respective cycle.
    End point type
    Secondary
    End point timeframe
    Time from baseline until end of treatment visit.
    End point values
    Total population
    Number of subjects analysed
    20
    Units: Total score
    median (full range (min-max))
        Baseline
    0.0 (0.0 to 6.0)
        Cycle 1 Day 15
    0.0 (0.0 to 7.0)
        Cycle 2 Day 1
    0.0 (0.0 to 4.0)
        Cycle 2 Day 15
    0.0 (0.0 to 5.0)
        Cycle 3 Day 1
    1.0 (0.0 to 16.0)
        Cycle 4 Day 1
    0.0 (0.0 to 9.0)
        Cycle 5 Day 1
    0.0 (0.0 to 4.0)
        Cycle 6 Day 1
    0.5 (0.0 to 3.0)
        End of treatment
    0.5 (0.0 to 17.0)
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From day of informed consent until 30 days after last dose of study medication.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    20.0
    Reporting groups
    Reporting group title
    Total population
    Reporting group description
    All patients received the investigational drug BKM120/Buparlisib and in addition, daily tamoxifen as background treatment. Dosing regimen: • BKM120 (Buparlisib): 100 mg/day, orally, on a continuous dosing schedule without interruption starting on day 1 in 28 day cycle • Tamoxifen: 20 mg/day, orally, on a continuous dosing schedule without interruption starting on day 1 in 28 day cycle

    Serious adverse events
    Total population
    Total subjects affected by serious adverse events
         subjects affected / exposed
    9 / 25 (36.00%)
         number of deaths (all causes)
    1
         number of deaths resulting from adverse events
    0
    Investigations
    Alanine aminotransferase increased
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Aspartate aminotransferase increased
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Basal cell carcinoma
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Malignant neoplasm progression
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Injury, poisoning and procedural complications
    Overdose
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Nervous system disorders
    Cognitive disorder
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    VIth nerve paresis
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal disorders
    Nausea
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Reproductive system and breast disorders
    Breast inflammation
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Skin and subcutaneous tissue disorders
    Palmar-plantar erythrodysaesthesia syndrome
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Photosensitivity reaction
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Pruritus
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Skin induration
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Psychiatric disorders
    Confusional state
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Mania
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Mood altered
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Metabolism and nutrition disorders
    Hyperglycaemia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 1%
    Non-serious adverse events
    Total population
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    24 / 25 (96.00%)
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Neoplasm progression
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Vascular disorders
    Flushing
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Hypertension
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Lymphoedema
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    General disorders and administration site conditions
    Chest pain
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Disease progression
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Fatigue
         subjects affected / exposed
    9 / 25 (36.00%)
         occurrences all number
    10
    General physical health deterioration
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Impaired healing
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Mucosal inflammation
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Oedema peripheral
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    2
    Respiratory, thoracic and mediastinal disorders
    Cough
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Dysphonia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Epistaxis
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Psychiatric disorders
    Agitation
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Anxiety
         subjects affected / exposed
    5 / 25 (20.00%)
         occurrences all number
    5
    Confusional state
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Depression
         subjects affected / exposed
    6 / 25 (24.00%)
         occurrences all number
    6
    Insomnia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Mood altered
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Restlessness
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Suicidal ideation
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Investigations
    Alanine aminotransferase increased
         subjects affected / exposed
    5 / 25 (20.00%)
         occurrences all number
    6
    Aspartate aminotransferase increased
         subjects affected / exposed
    5 / 25 (20.00%)
         occurrences all number
    8
    Blood calcium increased
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Blood creatinine increased
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Blood parathyroid hormone increased
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Blood pressure abnormal
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Blood pressure increased
         subjects affected / exposed
    3 / 25 (12.00%)
         occurrences all number
    3
    Blood thyroid stimulating hormone increased
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Electrocardiogram QT prolonged
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Electrocardiogram abnormal
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Gamma-glutamyltransferase increased
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Heart rate increased
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Platelet count decreased
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Cardiac disorders
    Cardiovascular disorder
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Silent myocardial infarction
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Tachycardia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Nervous system disorders
    Aphasia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Disturbance in attention
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Dizziness
         subjects affected / exposed
    6 / 25 (24.00%)
         occurrences all number
    8
    Dysaesthesia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Dysgeusia
         subjects affected / exposed
    3 / 25 (12.00%)
         occurrences all number
    3
    Facial nerve disorder
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Headache
         subjects affected / exposed
    3 / 25 (12.00%)
         occurrences all number
    3
    Memory impairment
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Paraesthesia
         subjects affected / exposed
    3 / 25 (12.00%)
         occurrences all number
    4
    Syncope
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Tremor
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Blood and lymphatic system disorders
    Leukopenia
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    3
    Thrombocytopenia
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Ear and labyrinth disorders
    Vertigo
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Eye disorders
    Cataract
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Diplopia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Eye movement disorder
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Visual impairment
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Abdominal pain upper
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Aphthous ulcer
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Constipation
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Diarrhoea
         subjects affected / exposed
    4 / 25 (16.00%)
         occurrences all number
    4
    Dry mouth
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Dyspepsia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Dysphagia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Gastric dilatation
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Gastric disorder
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Gastrointestinal disorder
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Nausea
         subjects affected / exposed
    7 / 25 (28.00%)
         occurrences all number
    9
    Oral disorder
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Retching
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Stomatitis
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Tongue erythema
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Tooth loss
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    2
    Toothache
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Vomiting
         subjects affected / exposed
    5 / 25 (20.00%)
         occurrences all number
    6
    Hepatobiliary disorders
    Hepatotoxicity
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Hyperbilirubinaemia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Liver tenderness
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Skin and subcutaneous tissue disorders
    Alopecia
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Dermatitis allergic
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Dry skin
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Erythema
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Onychoclasis
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Palmar-plantar erythrodysaesthesia syndrome
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Photodermatosis
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    2
    Photosensitivity reaction
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Pruritus
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Rash
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    3
    Rash maculo-papular
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Rash vesicular
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Renal and urinary disorders
    Bladder disorder
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Bone pain
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Flank pain
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Muscle spasms
         subjects affected / exposed
    3 / 25 (12.00%)
         occurrences all number
    3
    Muscular weakness
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Musculoskeletal pain
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Myalgia
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Temporomandibular joint syndrome
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Infections and infestations
    Conjunctivitis
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Gastrointestinal infection
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Infection
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Ophthalmic herpes zoster
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Otitis externa
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Periodontitis
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Sinusitis
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Tonsillitis
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Urinary tract infection
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Viral upper respiratory tract infection
         subjects affected / exposed
    4 / 25 (16.00%)
         occurrences all number
    4
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    4 / 25 (16.00%)
         occurrences all number
    4
    Dehydration
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Hyperglycaemia
         subjects affected / exposed
    2 / 25 (8.00%)
         occurrences all number
    2
    Type 2 diabetes mellitus
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Underweight
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1
    Vitamin D deficiency
         subjects affected / exposed
    1 / 25 (4.00%)
         occurrences all number
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    15 Oct 2015
    Protocol was amended to provide additional guidance to investigators regarding management of liver toxicities.
    21 Sep 2016
    Provide a clarification on the measures to follow when a patient exhibits suicidal ideation regardless of the response to question 9 of the PHQ-9 questionnaire (as has been described in the BKM120 Investigator’s Brochure Ed. 9.0).

    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.
    Due to a re-evaluation of the risk-benefit profile of buparlisib, recruitment was stopped with 25 patients under buparlisib treatment (25% of the planned 99 patients) leading to a marked reduction of power and limitation of significance of the data.
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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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