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    Clinical Trial Results:
    An Open-label, Multicenter, Phase 2 Study to Evaluate Efficacy and Safety of the Bi-specific T cell Engager (BiTE®) Antibody Blinatumomab in Adult Subjects with Relapsed/Refractory B-precursor Acute Lymphoblastic Leukemia (ALL)

    Summary
    EudraCT number
    2011-002257-61
    Trial protocol
    DE   GB   ES   IT  
    Global end of trial date
    03 Jan 2017

    Results information
    Results version number
    v1(current)
    This version publication date
    30 Dec 2017
    First version publication date
    30 Dec 2017
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    MT103-211
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT01466179
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Amgen Inc.
    Sponsor organisation address
    One Amgen Center Drive, Thousand Oaks, CA, United States, 91320
    Public contact
    IHQ Medical Info-Clinical Trials, Amgen (EUROPE) GmbH, MedInfoInternational@amgen.com
    Scientific contact
    IHQ Medical Info-Clinical Trials, Amgen (EUROPE) GmbH, MedInfoInternational@amgen.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
    03 Jan 2017
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    03 Jan 2017
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The purpose of this study is to confirm whether the bispecific T cell engager antibody blinatumomab (MT103) is effective and safe in the treatment of patients with relapsed or refractory acute lymphoblastic leukemia (ALL).
    Protection of trial subjects
    This study was conducted in accordance with International Council for Harmonisation (ICH) Good Clinical Practice (GCP) regulations/guidelines. The study protocol and all amendments, the informed consent form, and any accompanying materials provided to subjects were reviewed and approved by an Independent Ethics Committee (IEC) or Institutional Review Board (IRB), as appropriate, at each center/country. The investigator or his/her designee informed the subject of all aspects pertaining to the subject’s participation in the study before any screening procedures were performed.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    06 Dec 2011
    Long term follow-up planned
    Yes
    Long term follow-up rationale
    Efficacy
    Long term follow-up duration
    3 Years
    Independent data monitoring committee (IDMC) involvement?
    Yes
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    France: 24
    Country: Number of subjects enrolled
    Germany: 47
    Country: Number of subjects enrolled
    Italy: 20
    Country: Number of subjects enrolled
    Spain: 9
    Country: Number of subjects enrolled
    United Kingdom: 16
    Country: Number of subjects enrolled
    United States: 122
    Worldwide total number of subjects
    238
    EEA total number of subjects
    116
    Number of subjects enrolled per age group
    In utero
    0
    Preterm newborn - gestational age < 37 wk
    0
    Newborns (0-27 days)
    0
    Infants and toddlers (28 days-23 months)
    0
    Children (2-11 years)
    0
    Adolescents (12-17 years)
    0
    Adults (18-64 years)
    206
    From 65 to 84 years
    32
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    This study was conducted at 37 centers in Germany, Italy, Spain, France, the United Kingdom, and the United States from 06 December 2011 to 03 January 2017.

    Pre-assignment
    Screening details
    This study initially used a Simon 2-stage design, in which 66 subjects were enrolled. A third stage (extension) was introduced leading to the enrollment of 123 further patients. An additional 36 subjects were enrolled to evaluate central nervous system (CNS) symptoms. Furthermore, up to 13 patients were enrolled into the Open Enrollment Cohort.

    Period 1
    Period 1 title
    Overall Study (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Not applicable
    Blinding used
    Not blinded

    Arms
    Arm title
    Blinatumomab
    Arm description
    Participants received blinatumomab by continuous intravenous (CIV) infusion over 4 weeks followed by a treatment-free interval of 2 weeks for up to 5 consecutive cycles. The initial dose was 9 μg/day for the first seven days of treatment, escalated to 28 μg/day starting from Week 2 of treatment.
    Arm type
    Experimental

    Investigational medicinal product name
    Blinatumomab
    Investigational medicinal product code
    MT103
    Other name
    BLINCYTO®
    Pharmaceutical forms
    Powder for solution for infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    Administered by continuous intravenous infusion. In the first cycle, the initial dose was 9 µg/day for 7 days, then 28 µg/day for the remaining 3 weeks. The target dose of 28 µg/day was administered in cycle 2 and subsequent cycles starting on day 1 of each cycle. Dose reduction was possible in the case of adverse events.

    Number of subjects in period 1
    Blinatumomab
    Started
    238
    Completed
    14
    Not completed
    224
         Physician decision
    63
         Consent withdrawn by subject
    11
         Protocol violation
    2
         Adverse event, non-fatal
    37
         Other
    4
         Death
    10
         Disease relapse
    30
         Progressive disease
    53
         Lack of efficacy
    14

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Overall Study
    Reporting group description
    Participants received blinatumomab by continuous intravenous (CIV) infusion over 4 weeks followed by a treatment-free interval of 2 weeks for up to 5 consecutive cycles. The initial dose was 9 μg/day for the first seven days of treatment, escalated to 28 μg/day starting from Week 2 of treatment.

    Reporting group values
    Overall Study Total
    Number of subjects
    238 238
    Age Categorical
    Units: Subjects
        Adults (18-64 years)
    206 206
        From 65-84 years
    32 32
        85 years and over
    0 0
    Age Continuous
    Units: years
        arithmetic mean (standard deviation)
    41.4 ( 17.28 ) -
    Gender Categorical
    Units: Subjects
        Female
    91 91
        Male
    147 147
    Race
    Race was not recorded for any subjects from France and for 1 further subject due to privacy reasons.
    Units: Subjects
        White
    183 183
        Asian
    8 8
        Black/African American
    7 7
        American Indian or Alaska Native
    1 1
        Native Hawaiian or Other Pacific Islander
    1 1
        Other
    13 13
        Not recorded
    25 25
    Disease Stage Entry Criteria Met
    HSCT = hematopoietic stem cell transplantation
    Units: Subjects
        Primary refractory
    22 22
        Relapse ≤ 12 months of allogeneic HSCT
    44 44
        Entering first salvage; first remission ≤ 12 mo
    29 29
        Entering second or greater salvage therapies
    137 137
        No criteria met
    6 6
    Number of Prior Relapses
    Units: Subjects
        None
    22 22
        One
    135 135
        Two
    57 57
        More than two
    24 24
    Prior Allogeneic HSCT and Prior Relapses
    alloHSCT = allogeneic hematopoietic stem cell transplantation
    Units: Subjects
        Prior allogeneic HSCT
    75 75
        No prior alloHSCT, no prior relapse
    22 22
        No prior alloHSCT, 1 prior relapse
    108 108
        No prior alloHSCT, 2 prior relapses
    29 29
        No prior alloHSCT, > 2 prior relapses
    4 4
    Number of Prior Salvage Therapies
    Units: Subjects
        No prior salvage therapy
    49 49
        1 prior salvage therapy
    95 95
        2 prior salvage therapies
    50 50
        > 2 prior salvage therapies
    44 44
    Baseline Bone Marrow Blast Category
    Bone marrow blasts as assessed by the local laboratory
    Units: Subjects
        < 10%
    8 8
        10% - < 50%
    61 61
        ≥ 50%
    162 162
        Not recorded
    7 7
    Time Since Initial Diagnosis
    Units: months
        median (full range (min-max))
    16.66 (1.9 to 249.0) -
    Time Since Last Relapse
    Reported for 216 participants with a prior relapse (the other 22 participants were primary refractory with no prior relapses).
    Units: months
        median (full range (min-max))
    1.38 (0.0 to 56.8) -

    End points

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    End points reporting groups
    Reporting group title
    Blinatumomab
    Reporting group description
    Participants received blinatumomab by continuous intravenous (CIV) infusion over 4 weeks followed by a treatment-free interval of 2 weeks for up to 5 consecutive cycles. The initial dose was 9 μg/day for the first seven days of treatment, escalated to 28 μg/day starting from Week 2 of treatment.

    Subject analysis set title
    Cycle 1: Blinatumomab 9 μg/Day
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    Participants receiving 9 μg/day blinatumomab by continuous intravenous (CIV) infusion during Cycle 1.

    Subject analysis set title
    Cycle 1: Blinatumomab 28 μg/Day
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    Participants receiving 28 μg/day blinatumomab by continuous intravenous (CIV) infusion during Cycle 1.

    Subject analysis set title
    Cycle 2: Blinatumomab 28 μg/Day
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    Participants receiving 28 μg/day blinatumomab by continuous intravenous (CIV) infusion during Cycle 2.

    Primary: Percentage of Participants With a Best Response of Complete Remission or Complete Remission With Only Partial Hematological Recovery Within 2 Cycles of Treatment

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    End point title
    Percentage of Participants With a Best Response of Complete Remission or Complete Remission With Only Partial Hematological Recovery Within 2 Cycles of Treatment [1]
    End point description
    Hematological assessments were performed from bone marrow biopsy samples. All hematological assessments of bone marrow were reviewed in a central reference laboratory. Hematological remissions were defined by the following criteria: Complete Remission (CR): • bone marrow blasts ≤ 5% • no evidence of disease • full recovery of peripheral blood counts: ◦ platelets > 100,000/μL, and ◦ absolute neutrophil count (ANC) > 1,000/μL Complete Remission With Partial Hematological Recovery (CRh*): • bone marrow blasts ≤ 5% • no evidence of disease • partial recovery of peripheral blood counts: ◦ platelets > 50,000/μL, and ◦ ANC > 500/μL. The primary analysis was based on the primary analysis set (PAS), defined as participants from the first 3 stages of the study who received any infusion of blinatumomab.
    End point type
    Primary
    End point timeframe
    Within the first 2 cycles of treatment, 12 weeks, up to the data cut-off date of 20 January 2017.
    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: This was a single-arm study; no statistical comparisons were conducted.
    End point values
    Blinatumomab
    Number of subjects analysed
    189
    Units: percentage of participants
        number (confidence interval 95%)
    43.9 (36.7 to 51.3)
    No statistical analyses for this end point

    Secondary: Time to Hematological Relapse (Duration of Response)

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    End point title
    Time to Hematological Relapse (Duration of Response)
    End point description
    Time to hematological relapse was measured for subjects in remission (CR or CRh*) during the core study (the time from the first infusion to 30 days after the last infusion), from the time the subject first achieved remission until first documented relapse or death due to disease progression. Subjects without documented relapse (hematological or extramedullary) and who did not die were censored at the time of their last bone marrow assessment or their last survival follow-up visit confirming remission. Subjects who died without having reported hematological relapse or without showing any clinical sign of disease progression were censored on their date of death. Hematological relapse was defined as: • proportion of blasts in bone marrow > 5% after documented CR/CRh* or • blasts in peripheral blood after documented CR/CRh* The analysis was based on the full analysis set, defined as all subjects who received any infusion of blinatumomab, including the additional evaluation cohort.
    End point type
    Secondary
    End point timeframe
    Up to the data cut-off date of 20 January 2017; median observation time was 34.4 months, estimated using the reverse Kaplan-Meier method.
    End point values
    Blinatumomab
    Number of subjects analysed
    101 [2]
    Units: months
        median (confidence interval 95%)
    10.0 (6.3 to 18.9)
    Notes
    [2] - All patients who reached CR or CRh* during the core study
    No statistical analyses for this end point

    Secondary: Percentage of Participants Who Received an Allogeneic Hematopoietic Stem Cell Transplant (HSCT) During Blinatumomab Induced Remission

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    End point title
    Percentage of Participants Who Received an Allogeneic Hematopoietic Stem Cell Transplant (HSCT) During Blinatumomab Induced Remission
    End point description
    Participants who were eligible for allogeneic HSCT were those who achieved remission (complete response or complete response with partial recovery of peripheral blood counts) after 2 cycles of blinatumomab treatment, and no further anti-leukemic medication was given before HSCT. The analysis was based on the full analysis set.
    End point type
    Secondary
    End point timeframe
    Up to the data cut-off date of 20 January 2017; the maximum duration on study was 49.9 months.
    End point values
    Blinatumomab
    Number of subjects analysed
    99 [3]
    Units: percentage of participants
        number (confidence interval 95%)
    40.4 (30.7 to 50.7)
    Notes
    [3] - Subjects who reached CR or CRh* during the first two cycles
    No statistical analyses for this end point

    Secondary: Percentage of Participants With a Best Response of Complete Remission Within 2 Cycles of Treatment

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    End point title
    Percentage of Participants With a Best Response of Complete Remission Within 2 Cycles of Treatment
    End point description
    Complete Remission was defined by the following criteria: • bone marrow blasts ≤ 5% • no evidence of disease • full recovery of peripheral blood counts: ◦ platelets > 100,000/μL, and ◦ absolute neutrophil count (ANC) > 1,000/μL The analysis was based on the primary analysis set.
    End point type
    Secondary
    End point timeframe
    Within the first 2 cycles of treatment, 12 weeks, up to the data cut-off date of 20 January 2017.
    End point values
    Blinatumomab
    Number of subjects analysed
    189 [4]
    Units: percentage of participants
        number (confidence interval 95%)
    33.3 (26.7 to 40.5)
    Notes
    [4] - Primary analysis set
    No statistical analyses for this end point

    Secondary: Percentage of Participants With a Best Response of Complete Remission With Only Partial Hematological Recovery Within 2 Cycles of Treatment

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    End point title
    Percentage of Participants With a Best Response of Complete Remission With Only Partial Hematological Recovery Within 2 Cycles of Treatment
    End point description
    Complete Remission With Partial Hematological Recovery was defined by the following criteria: • bone marrow blasts ≤ 5% • no evidence of disease • partial recovery of peripheral blood counts: ◦ platelets > 50,000/μL, and ◦ ANC > 500/μL. The analysis was based on the primary analysis set.
    End point type
    Secondary
    End point timeframe
    Within the first 2 cycles of treatment, 12 weeks, up to the data cut-off date of 20 January 2017.
    End point values
    Blinatumomab
    Number of subjects analysed
    189 [5]
    Units: percentage of participants
        number (confidence interval 95%)
    10.6 (6.6 to 15.9)
    Notes
    [5] - Primary analysis set
    No statistical analyses for this end point

    Secondary: Percentage of Participants With a Best Response of Partial Remission Within 2 Cycles of Treatment

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    End point title
    Percentage of Participants With a Best Response of Partial Remission Within 2 Cycles of Treatment
    End point description
    Partial Remission is defined as bone marrow blasts 6% to 25% with at least a 50% reduction from baseline. The analysis was based on the primary analysis set.
    End point type
    Secondary
    End point timeframe
    Within the first 2 cycles of treatment, 12 weeks, up to the data cut-off date of 20 January 2017.
    End point values
    Blinatumomab
    Number of subjects analysed
    189 [6]
    Units: percentage of participants
        number (confidence interval 95%)
    2.6 (0.9 to 6.1)
    Notes
    [6] - Primary analysis set
    No statistical analyses for this end point

    Secondary: Relapse-free Survival

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    End point title
    Relapse-free Survival
    End point description
    Relapse-free survival was assessed for participants who achieved a complete remission or complete remission with partial hematological recovery during the core study and was measured from the time the participant first achieved remission until first documented relapse or death due to any cause. Participants without a documented relapse (hematological or extramedullary) or who did not die were censored at the time of their last bone marrow assessment or their last survival follow-up visit confirming remission. The analysis was based on the full analysis set.
    End point type
    Secondary
    End point timeframe
    Up to the data cut-off date of 20 January 2017; median observation time was 34.7 months, estimated using the reverse Kaplan-Meier method.
    End point values
    Blinatumomab
    Number of subjects analysed
    101 [7]
    Units: months
        median (confidence interval 95%)
    7.4 (5.5 to 10.1)
    Notes
    [7] - Patients who reached CR or CRh* during the core study
    No statistical analyses for this end point

    Secondary: Event-free survival

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    End point title
    Event-free survival
    End point description
    Event-free survival was calculated from the start date of blinatumomab infusion until the date of bone marrow aspiration at which hematological relapse was first detected, or the date of diagnosis on which the hematological or extramedullary relapse was documented or the date of start of any new therapy for ALL (excluding HSCT), or the date of death, whichever was earlier. Participants who did not achieve complete remission or complete remission with partial hematological recovery during the core study were evaluated as having an event on Day 1. Participants in remission who did not experience hematological relapse, did not receive a new therapy for ALL (excluding HSCT), and did not die were censored on the date of the last available bone marrow aspiration or on the last date of survival follow-up visit, whichever was later. The analysis was based on the full analysis set.
    End point type
    Secondary
    End point timeframe
    Up to the data cut-off date of 20 January 2017; median observation time was 35.8 months, estimated using the reverse Kaplan-Meier method.
    End point values
    Blinatumomab
    Number of subjects analysed
    225 [8]
    Units: months
        median (confidence interval 95%)
    0.0 (0.0 to 2.0)
    Notes
    [8] - Full analysis set
    No statistical analyses for this end point

    Secondary: Overall Survival

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    End point title
    Overall Survival
    End point description
    Overall survival was measured for all participants from the time the participant received the first treatment of blinatumomab until death due to any cause or the date of the last follow-up. Participants who did not die were censored on the last documented visit date or the date of the last phone contact when the patient was last known to have been alive. The analysis was based on the full analysis set.
    End point type
    Secondary
    End point timeframe
    Up to the data cut-off date of 20 January 2017; median observation time was 35.9 months, estimated using the reverse Kaplan-Meier method.
    End point values
    Blinatumomab
    Number of subjects analysed
    225 [9]
    Units: months
        median (confidence interval 95%)
    6.5 (4.8 to 7.7)
    Notes
    [9] - Full analysis set
    No statistical analyses for this end point

    Secondary: Number of Participants With Treatment-emergent Adverse Events

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    End point title
    Number of Participants With Treatment-emergent Adverse Events
    End point description
    Adverse events (AEs) were evaluated for severity according to the the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE), version 4, as follows: Grade 1 – Mild AE; Grade 2 – Moderate AE; Grade 3 - Severe AE; Grade 4 - Life-threatening or disabling AE; Grade 5 - Death. The investigator used medical judgment to determine if there was a causal relationship (ie, related, unrelated) between an adverse event and blinatumomab. An AE was considered “serious” if it resulted in death, was life-threatening, requires or prolongs inpatient hospitalization, results in persistent or significant incapacity or substantial disruption to conduct normal life functions, is a congenital anomaly or birth defect or is a medically important condition. Progressive disease was not an adverse event, per the protocol, unless it was more severe than expected for the patient. Therefore, many deaths due to progressive disease were not counted as adverse events.
    End point type
    Secondary
    End point timeframe
    From the start of the first infusion to 30 days after the end of the last infusion in the core study or from the start of the first retreatment cycle infusion to 30 days after the end of the last retreatment cycle, median treatment duration was 28.3 days.
    End point values
    Blinatumomab
    Number of subjects analysed
    238
    Units: participants
        Any adverse event (AE)
    237
        Adverse events of at least CTC grade 3
    194
        Treatment-related adverse events
    206
        Related adverse events of at least CTC grade 3
    130
        Serious adverse events
    153
        Serious adverse events of at least CTC grade 3
    133
        Related serious adverse events
    79
        AEs leading to interruption of blinatumomab
    83
        AEs leading to discontinuation of blinatumomab
    40
        Related AE leading to treatment discontinuation
    21
        AEs leading to death
    34
        Related AEs leading to death
    4
    No statistical analyses for this end point

    Secondary: 100-Day Mortality After Allogeneic Hematopoietic Stem Cell Transplant

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    End point title
    100-Day Mortality After Allogeneic Hematopoietic Stem Cell Transplant
    End point description
    The analysis of 100-day mortality after allogeneic HSCT was assessed for all participants who received an allogeneic HSCT while in remission (CR/CRh*) following treatment with blinatumomab. 100-day mortality after allogeneic HSCT was calculated relative to the date of allogeneic HSCT. Patients alive were censored on the last documented visit date or the date of the last phone contact when the patient was last known to have been alive. The 100-day mortality rate after allogeneic HSCT was defined as the percentage of patients having died up to 100 days after allogeneic HSCT estimated using the estimated time to death in percent calculated by Kaplan-Meier methods.
    End point type
    Secondary
    End point timeframe
    From the date of allogeneic HSCT until the data cut-off date of 20 January 2017; median observation time was 32.2 months, estimated using the reverse Kaplan-Meier method.
    End point values
    Blinatumomab
    Number of subjects analysed
    40 [10]
    Units: percentage of participants
        number (confidence interval 95%)
    12.5 (5.4 to 27.5)
    Notes
    [10] - Participants who received an allogeneic HSCT while in remission induced by blinatumomab treatment.
    No statistical analyses for this end point

    Secondary: Serum Blinatumomab Concentration at Steady State

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    End point title
    Serum Blinatumomab Concentration at Steady State
    End point description
    The steady state concentration of blinatumomab was summarized as the observed concentrations collected at least 10 hours after the start of the IV infusion or dose step for cycle 1 and cycle 2, respectively. Serum concentrations of blinatumomab were measured using a validated bioassay. The lower limit of quantitation (LLOQ) = 50.0 pg/mL. The pharmacokinetic data tet (PKS) was defined as all patients who received any infusion of blinatumomab and had at least one PK sample collected unless significant protocol deviations affected the data analysis or if key dosing, dosing interruption or sampling information was missing.
    End point type
    Secondary
    End point timeframe
    Samples were taken before treatment start and on Days 3, 8, 10, 15, 22, and 29 after infusion start during Cycles 1 and 2.
    End point values
    Cycle 1: Blinatumomab 9 μg/Day Cycle 1: Blinatumomab 28 μg/Day Cycle 2: Blinatumomab 28 μg/Day
    Number of subjects analysed
    178
    188
    101
    Units: pg/mL
        arithmetic mean (standard deviation)
    246 ( 305 )
    632 ( 510 )
    755 ( 433 )
    No statistical analyses for this end point

    Secondary: Serum Cytokine Peak Levels

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    End point title
    Serum Cytokine Peak Levels
    End point description
    The activation of immune effector cells was monitored by the measurement of peripheral blood cytokine levels including interleukin (IL)-2, IL-4, IL-6, IL-10, tumor necrosis factor alpha(TNF-α) and interferon gamma (IFN-γ) using enzyme-linked immunosorbent assays or cytometric bead assays. The limit of detection of the assay (LOD) was 20 pg/mL and the limit of quantification (LOQ) was 125 pg/mL. Data below LOD were set to 10 pg/mL while data < LOQ and > LOD were reported as measured. Serum IL-4 levels were below detection limit (< 20 pg/mL) at all time points in all participants studied. The pharmacodynamic data set (PDS) included all participants who received any infusion of blinatumomab and had at least one pharmacodynamic sample collected. "N" indicates the number of participants with available data at each time point.
    End point type
    Secondary
    End point timeframe
    Serum samples were collected on Days 1 and 8 at 2 hours and 6 hours after treatment start, and on Day 2 (24 hours) and Day 3 (48 hours) of each treatment cycle and on Days 9 and 10 after dose step.
    End point values
    Blinatumomab
    Number of subjects analysed
    220
    Units: pg/mL
    arithmetic mean (standard deviation)
        IFN-Ɣ: Cycle 1 Week 1 (N=220)
    86.5 ( 376 )
        IFN-Ɣ: Cycle 1 Week 2 (N=208)
    25.1 ( 76.4 )
        IFN-Ɣ: Cycle 2 Week 1 (N=113)
    20.9 ( 42.3 )
        IFN-Ɣ: Cycle 3 Week 1 (N=50)
    19.5 ( 25 )
        IL-10: Cycle 1 Week 1 (N=220)
    598 ( 801 )
        IL-10: Cycle 1 Week 2 (N=208)
    97.9 ( 149 )
        IL-10: Cycle 2 Week 1 (N=113)
    371 ( 607 )
        IL-10: Cycle 3 Week 1 (N=50)
    419 ( 863 )
        IL-2: Cycle 1 Week 1 (N=220)
    25.3 ( 44.3 )
        IL-2: Cycle 1 Week 2 (N=208)
    10.8 ( 5.01 )
        IL-2: Cycle 2 Week 1 (N=113)
    10.9 ( 4.76 )
        IL-2: Cycle 3 Week 1 (N=50)
    10.3 ( 1.84 )
        IL-6: Cycle 1 Week 1 (N=220)
    1005 ( 3358 )
        IL-6: Cycle 1 Week 2 (N=208)
    264 ( 746 )
        IL-6: Cycle 2 Week 1 (N=113)
    284 ( 883 )
        IL-6: Cycle 3 Week 1 (N=50)
    64.8 ( 104 )
        TNF-α: Cycle 1 Week 1 (N=220)
    32.5 ( 120 )
        TNF-α: Cycle 1 Week 2 (N=208)
    10.3 ( 3.16 )
        TNF-α: Cycle 2 Week 1 (N=113)
    12.0 ( 14.0 )
        TNF-α: Cycle 3 Week 1 (N=50)
    11.6 ( 7.08 )
    No statistical analyses for this end point

    Secondary: Percentage of Participants With a Best Response of Blast Free Hypoplastic or Aplastic Bone Marrow Within 2 Cycles of Treatment

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    End point title
    Percentage of Participants With a Best Response of Blast Free Hypoplastic or Aplastic Bone Marrow Within 2 Cycles of Treatment
    End point description
    Blast Free Hypoplastic or Aplastic Bone Marrow was defined as: • bone marrow blasts ≤ 5% • no evidence of disease • insufficient recovery of peripheral counts: platelets ≤ 50,000/μL and/or absolute neutrophil count (ANC) ≤ 500/μL The analysis was based on the primary analysis set.
    End point type
    Secondary
    End point timeframe
    Within the first 2 cycles of treatment, 12 weeks, up to the data cut-off date of 20 January 2017.
    End point values
    Blinatumomab
    Number of subjects analysed
    189
    Units: percentage of participants
        number (confidence interval 95%)
    7.9 (4.5 to 12.8)
    No statistical analyses for this end point

    Secondary: Best Response During the Core Study

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    End point title
    Best Response During the Core Study
    End point description
    Complete Remission (CR): • bone marrow blasts ≤ 5% • no evidence of disease • full recovery of peripheral blood counts: ◦ platelets > 100,000/μL, and ◦ absolute neutrophil count (ANC) > 1,000/μL Complete Remission With Partial Hematological Recovery (CRh*): • bone marrow blasts ≤ 5% • no evidence of disease • partial recovery of peripheral blood counts: ◦ platelets > 50,000/μL, and ◦ ANC > 500/μL Blast Free Hypoplastic or Aplastic Bone Marrow: • bone marrow blasts ≤ 5% • no evidence of disease • insufficient recovery of peripheral counts: platelets ≤ 50,000/μL and/or ANC ≤ 500/μL Partial Remission: • bone marrow blasts 6% to 25% with at least a 50% reduction from Baseline. The analysis was based on the primary analysis set.
    End point type
    Secondary
    End point timeframe
    From the first dose of blinatumomab until 30 days after the end of the last infusion during the core study, or until the data cut-off date of 20 January 2017; a maximum of 7.5 months.
    End point values
    Blinatumomab
    Number of subjects analysed
    189
    Units: percentage of participants
    number (confidence interval 95%)
        Remission (CR/CRh*)
    44.4 (37.2 to 51.8)
        Complete remission
    35.4 (28.6 to 42.7)
        Complete remission, partial hematological recovery
    9.0 (5.3 to 14.0)
        Blast free hypoplastic or aplastic bone marrow
    7.9 (4.5 to 12.8)
        Partial remission
    2.6 (0.9 to 6.1)
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From the start of the first infusion to 30 days after the end of the last infusion in the core study or from the start of the first retreatment cycle infusion to 30 days after the end of the last retreatment cycle, median treatment duration was 28.3 days.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    19.1
    Reporting groups
    Reporting group title
    Blinatumomab
    Reporting group description
    Participants received blinatumomab by continuous intravenous (CIV) infusion over 4 weeks followed by a treatment-free interval of 2 weeks for up to 5 consecutive cycles. The initial dose was 9 μg/day for the first seven days of treatment, escalated to 28 μg/day starting from Week 2 of treatment.

    Serious adverse events
    Blinatumomab
    Total subjects affected by serious adverse events
         subjects affected / exposed
    153 / 238 (64.29%)
         number of deaths (all causes)
    193
         number of deaths resulting from adverse events
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Acute leukaemia
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 1
    Acute lymphocytic leukaemia
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 2
    B precursor type acute leukaemia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    B-cell lymphoma
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Chloroma
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Lymphoma
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Vascular disorders
    Capillary leak syndrome
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Embolism
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Hypotension
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Hypovolaemic shock
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Peripheral artery occlusion
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Subclavian vein thrombosis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Surgical and medical procedures
    Catheter placement
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Central venous catheter removal
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Resuscitation
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    General disorders and administration site conditions
    Asthenia
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Chest pain
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Complication associated with device
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Disease progression
         subjects affected / exposed
    3 / 238 (1.26%)
         occurrences causally related to treatment / all
    0 / 3
         deaths causally related to treatment / all
    0 / 2
    Fatigue
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Hypothermia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Mucosal inflammation
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Multiple organ dysfunction syndrome
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 1
    Oedema peripheral
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Pyrexia
         subjects affected / exposed
    16 / 238 (6.72%)
         occurrences causally related to treatment / all
    5 / 16
         deaths causally related to treatment / all
    0 / 0
    Immune system disorders
    Cytokine release syndrome
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Graft versus host disease
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Hypersensitivity
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Reproductive system and breast disorders
    Scrotal oedema
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Pneumonia aspiration
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Respiratory distress
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Respiratory failure
         subjects affected / exposed
    3 / 238 (1.26%)
         occurrences causally related to treatment / all
    2 / 3
         deaths causally related to treatment / all
    0 / 1
    Psychiatric disorders
    Agitation
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Confusional state
         subjects affected / exposed
    5 / 238 (2.10%)
         occurrences causally related to treatment / all
    4 / 5
         deaths causally related to treatment / all
    0 / 0
    Delirium febrile
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Disorientation
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Mental status changes
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Restlessness
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Product issues
    Device occlusion
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Investigations
    Alanine aminotransferase increased
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Aspartate aminotransferase increased
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Blood alkaline phosphatase increased
         subjects affected / exposed
    3 / 238 (1.26%)
         occurrences causally related to treatment / all
    1 / 3
         deaths causally related to treatment / all
    0 / 0
    Blood bilirubin increased
         subjects affected / exposed
    5 / 238 (2.10%)
         occurrences causally related to treatment / all
    3 / 5
         deaths causally related to treatment / all
    0 / 0
    Blood creatinine increased
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Blood lactate dehydrogenase increased
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    C-reactive protein increased
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Neutrophil count decreased
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Platelet count decreased
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pseudomonas test positive
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    White blood cell count decreased
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Injury, poisoning and procedural complications
    Accidental overdose
         subjects affected / exposed
    4 / 238 (1.68%)
         occurrences causally related to treatment / all
    2 / 4
         deaths causally related to treatment / all
    0 / 0
    Femoral neck fracture
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hip fracture
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Overdose
         subjects affected / exposed
    5 / 238 (2.10%)
         occurrences causally related to treatment / all
    5 / 5
         deaths causally related to treatment / all
    0 / 0
    Post lumbar puncture syndrome
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Subdural haematoma
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Toxicity to various agents
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Vascular access complication
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Congenital, familial and genetic disorders
    Aplasia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Cardiac disorders
    Atrial fibrillation
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Bradycardia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Cardiac failure
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Cardiac failure congestive
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 3
         deaths causally related to treatment / all
    0 / 0
    Sinus bradycardia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Supraventricular tachycardia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Ventricular fibrillation
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Nervous system disorders
    Aphasia
         subjects affected / exposed
    4 / 238 (1.68%)
         occurrences causally related to treatment / all
    4 / 4
         deaths causally related to treatment / all
    0 / 0
    Ataxia
         subjects affected / exposed
    3 / 238 (1.26%)
         occurrences causally related to treatment / all
    3 / 3
         deaths causally related to treatment / all
    0 / 0
    Cerebral haemorrhage
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Cognitive disorder
         subjects affected / exposed
    3 / 238 (1.26%)
         occurrences causally related to treatment / all
    3 / 3
         deaths causally related to treatment / all
    0 / 0
    Dizziness
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Dysaesthesia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Dysarthria
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Encephalopathy
         subjects affected / exposed
    6 / 238 (2.52%)
         occurrences causally related to treatment / all
    6 / 6
         deaths causally related to treatment / all
    1 / 1
    Headache
         subjects affected / exposed
    5 / 238 (2.10%)
         occurrences causally related to treatment / all
    1 / 5
         deaths causally related to treatment / all
    0 / 0
    Hemiparesis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Metabolic encephalopathy
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Nervous system disorder
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Neurological symptom
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Neurotoxicity
         subjects affected / exposed
    3 / 238 (1.26%)
         occurrences causally related to treatment / all
    3 / 3
         deaths causally related to treatment / all
    0 / 0
    Paraesthesia
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Paraplegia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Poor quality sleep
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Seizure
         subjects affected / exposed
    4 / 238 (1.68%)
         occurrences causally related to treatment / all
    3 / 4
         deaths causally related to treatment / all
    0 / 0
    Syncope
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Tremor
         subjects affected / exposed
    5 / 238 (2.10%)
         occurrences causally related to treatment / all
    5 / 5
         deaths causally related to treatment / all
    0 / 0
    Trigeminal nerve disorder
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Cytopenia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Disseminated intravascular coagulation
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Febrile neutropenia
         subjects affected / exposed
    23 / 238 (9.66%)
         occurrences causally related to treatment / all
    9 / 25
         deaths causally related to treatment / all
    0 / 0
    Leukocytosis
         subjects affected / exposed
    3 / 238 (1.26%)
         occurrences causally related to treatment / all
    0 / 3
         deaths causally related to treatment / all
    0 / 0
    Lymphopenia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Neutropenia
         subjects affected / exposed
    10 / 238 (4.20%)
         occurrences causally related to treatment / all
    6 / 12
         deaths causally related to treatment / all
    0 / 0
    Pancytopenia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Thrombocytopenia
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 3
         deaths causally related to treatment / all
    0 / 0
    Eye disorders
    Diplopia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Colitis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Diarrhoea
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Enteritis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal haemorrhage
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 1
    Nausea
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pancreatitis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Vomiting
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Skin and subcutaneous tissue disorders
    Erythema multiforme
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hyperhidrosis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Rash vesicular
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Skin lesion
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Renal and urinary disorders
    Acute kidney injury
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Bladder perforation
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Renal failure
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Arthritis
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Back pain
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Bone pain
         subjects affected / exposed
    5 / 238 (2.10%)
         occurrences causally related to treatment / all
    0 / 5
         deaths causally related to treatment / all
    0 / 0
    Fistula
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Muscular weakness
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Myopathy
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Pain in extremity
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Abdominal infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Aspergillus infection
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 1
    BK virus infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Bacteraemia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Bacterial sepsis
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Bronchopulmonary aspergillosis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Candida infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    1 / 1
    Cellulitis
         subjects affected / exposed
    3 / 238 (1.26%)
         occurrences causally related to treatment / all
    1 / 3
         deaths causally related to treatment / all
    0 / 0
    Cholecystitis infective
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Cytomegalovirus infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Device related infection
         subjects affected / exposed
    9 / 238 (3.78%)
         occurrences causally related to treatment / all
    0 / 13
         deaths causally related to treatment / all
    0 / 0
    Device related sepsis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Enterobacter infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Enterococcal bacteraemia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Enterococcal infection
         subjects affected / exposed
    3 / 238 (1.26%)
         occurrences causally related to treatment / all
    0 / 3
         deaths causally related to treatment / all
    0 / 0
    Enterococcal sepsis
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Epididymitis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Erysipelas
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Escherichia sepsis
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    1 / 1
    Fungaemia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Fungal infection
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Fusarium infection
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 2
    Gastroenteritis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal infection
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Haemophilus infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infection
         subjects affected / exposed
    4 / 238 (1.68%)
         occurrences causally related to treatment / all
    0 / 4
         deaths causally related to treatment / all
    0 / 0
    Kidney infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Klebsiella infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Leuconostoc infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Lower respiratory tract infection
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Lung infection
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 1
    Mucormycosis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Neutropenic sepsis
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 3
         deaths causally related to treatment / all
    0 / 0
    Pathogen resistance
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pilonidal cyst
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pneumonia
         subjects affected / exposed
    12 / 238 (5.04%)
         occurrences causally related to treatment / all
    5 / 15
         deaths causally related to treatment / all
    0 / 3
    Pneumonia fungal
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 1
    Pneumonia klebsiella
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pneumonia respiratory syncytial viral
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Pseudomonal bacteraemia
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Pseudomonas infection
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Pulmonary sepsis
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Rhinitis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Rhinovirus infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Sepsis
         subjects affected / exposed
    10 / 238 (4.20%)
         occurrences causally related to treatment / all
    2 / 10
         deaths causally related to treatment / all
    1 / 5
    Septic shock
         subjects affected / exposed
    3 / 238 (1.26%)
         occurrences causally related to treatment / all
    0 / 3
         deaths causally related to treatment / all
    0 / 2
    Sinusitis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Sinusitis fungal
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Staphylococcal bacteraemia
         subjects affected / exposed
    4 / 238 (1.68%)
         occurrences causally related to treatment / all
    1 / 4
         deaths causally related to treatment / all
    0 / 0
    Staphylococcal infection
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Staphylococcal sepsis
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Streptococcal sepsis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Systemic candida
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Urinary tract infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Urosepsis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Varicella zoster virus infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Viral haemorrhagic cystitis
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Viral infection
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Metabolism and nutrition disorders
    Dehydration
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Fluid overload
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Hyperglycaemia
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Hypokalaemia
         subjects affected / exposed
    2 / 238 (0.84%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Tumour lysis syndrome
         subjects affected / exposed
    1 / 238 (0.42%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    Blinatumomab
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    233 / 238 (97.90%)
    Vascular disorders
    Hypertension
         subjects affected / exposed
    17 / 238 (7.14%)
         occurrences all number
    17
    Hypotension
         subjects affected / exposed
    31 / 238 (13.03%)
         occurrences all number
    40
    General disorders and administration site conditions
    Asthenia
         subjects affected / exposed
    20 / 238 (8.40%)
         occurrences all number
    23
    Chest pain
         subjects affected / exposed
    19 / 238 (7.98%)
         occurrences all number
    19
    Chills
         subjects affected / exposed
    37 / 238 (15.55%)
         occurrences all number
    43
    Fatigue
         subjects affected / exposed
    36 / 238 (15.13%)
         occurrences all number
    41
    Oedema
         subjects affected / exposed
    13 / 238 (5.46%)
         occurrences all number
    13
    Oedema peripheral
         subjects affected / exposed
    58 / 238 (24.37%)
         occurrences all number
    67
    Pain
         subjects affected / exposed
    17 / 238 (7.14%)
         occurrences all number
    17
    Pyrexia
         subjects affected / exposed
    135 / 238 (56.72%)
         occurrences all number
    238
    Immune system disorders
    Cytokine release syndrome
         subjects affected / exposed
    28 / 238 (11.76%)
         occurrences all number
    36
    Respiratory, thoracic and mediastinal disorders
    Cough
         subjects affected / exposed
    39 / 238 (16.39%)
         occurrences all number
    41
    Dyspnoea
         subjects affected / exposed
    22 / 238 (9.24%)
         occurrences all number
    26
    Epistaxis
         subjects affected / exposed
    14 / 238 (5.88%)
         occurrences all number
    15
    Psychiatric disorders
    Anxiety
         subjects affected / exposed
    19 / 238 (7.98%)
         occurrences all number
    19
    Confusional state
         subjects affected / exposed
    14 / 238 (5.88%)
         occurrences all number
    18
    Insomnia
         subjects affected / exposed
    35 / 238 (14.71%)
         occurrences all number
    42
    Investigations
    Alanine aminotransferase increased
         subjects affected / exposed
    33 / 238 (13.87%)
         occurrences all number
    36
    Aspartate aminotransferase increased
         subjects affected / exposed
    31 / 238 (13.03%)
         occurrences all number
    33
    Blood bilirubin increased
         subjects affected / exposed
    17 / 238 (7.14%)
         occurrences all number
    18
    Immunoglobulins decreased
         subjects affected / exposed
    20 / 238 (8.40%)
         occurrences all number
    20
    Weight increased
         subjects affected / exposed
    19 / 238 (7.98%)
         occurrences all number
    22
    Cardiac disorders
    Sinus tachycardia
         subjects affected / exposed
    14 / 238 (5.88%)
         occurrences all number
    16
    Tachycardia
         subjects affected / exposed
    14 / 238 (5.88%)
         occurrences all number
    17
    Nervous system disorders
    Dizziness
         subjects affected / exposed
    30 / 238 (12.61%)
         occurrences all number
    33
    Headache
         subjects affected / exposed
    76 / 238 (31.93%)
         occurrences all number
    113
    Somnolence
         subjects affected / exposed
    12 / 238 (5.04%)
         occurrences all number
    16
    Tremor
         subjects affected / exposed
    37 / 238 (15.55%)
         occurrences all number
    47
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    48 / 238 (20.17%)
         occurrences all number
    60
    Febrile neutropenia
         subjects affected / exposed
    49 / 238 (20.59%)
         occurrences all number
    65
    Leukopenia
         subjects affected / exposed
    20 / 238 (8.40%)
         occurrences all number
    33
    Neutropenia
         subjects affected / exposed
    32 / 238 (13.45%)
         occurrences all number
    48
    Thrombocytopenia
         subjects affected / exposed
    27 / 238 (11.34%)
         occurrences all number
    35
    Eye disorders
    Vision blurred
         subjects affected / exposed
    15 / 238 (6.30%)
         occurrences all number
    18
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    37 / 238 (15.55%)
         occurrences all number
    41
    Constipation
         subjects affected / exposed
    45 / 238 (18.91%)
         occurrences all number
    55
    Diarrhoea
         subjects affected / exposed
    46 / 238 (19.33%)
         occurrences all number
    58
    Nausea
         subjects affected / exposed
    58 / 238 (24.37%)
         occurrences all number
    70
    Vomiting
         subjects affected / exposed
    32 / 238 (13.45%)
         occurrences all number
    39
    Skin and subcutaneous tissue disorders
    Petechiae
         subjects affected / exposed
    12 / 238 (5.04%)
         occurrences all number
    13
    Rash
         subjects affected / exposed
    27 / 238 (11.34%)
         occurrences all number
    32
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    23 / 238 (9.66%)
         occurrences all number
    29
    Back pain
         subjects affected / exposed
    31 / 238 (13.03%)
         occurrences all number
    37
    Bone pain
         subjects affected / exposed
    19 / 238 (7.98%)
         occurrences all number
    23
    Muscular weakness
         subjects affected / exposed
    15 / 238 (6.30%)
         occurrences all number
    19
    Myalgia
         subjects affected / exposed
    18 / 238 (7.56%)
         occurrences all number
    21
    Pain in extremity
         subjects affected / exposed
    24 / 238 (10.08%)
         occurrences all number
    31
    Infections and infestations
    Upper respiratory tract infection
         subjects affected / exposed
    13 / 238 (5.46%)
         occurrences all number
    16
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    25 / 238 (10.50%)
         occurrences all number
    27
    Hypokalaemia
         subjects affected / exposed
    56 / 238 (23.53%)
         occurrences all number
    70
    Hyperglycaemia
         subjects affected / exposed
    26 / 238 (10.92%)
         occurrences all number
    32
    Hypophosphataemia
         subjects affected / exposed
    18 / 238 (7.56%)
         occurrences all number
    21
    Hypomagnesaemia
         subjects affected / exposed
    32 / 238 (13.45%)
         occurrences all number
    35

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    16 Feb 2012
    - To implement urgent safety measures regarding neurologic events. - Adaptation of subject information and ICF: the safety section was updated in accordance with the Investigator’s Brochure, version 13.0.
    22 Jun 2012
    - To increase the sample size (add third stage [extension]). - To harmonize the study protocol between Germany and other centers in the European and the United States and clarify/adapt protocol mandated assessments. - Adaptation of study endpoints: the names and definition of endpoints related to response duration were updated for consistency with other blinatumomab studies (MT103-206) and International Working Group endpoint definitions. - To document the acquisition of Micromet by Amgen. - Adaptation of subject information and ICF: the informed consent was updated based on changes in the protocol.
    29 Oct 2012
    - To increase the sample size: from approximately 140 to 150 subjects to approximately 170 to 190 subjects. - To clarify/adapt protocol mandated assessments based on current experience: total dose of dexamethasone, bone marrow biopsy in the case of progressive disease does not need to be performed; some laboratory tests were considered routine and do not need to be repeated for study screening if conducted within a certain time before ICF signature; treatment of foreign subjects. - Adaptation of subject information and ICF: the informed consent was updated based on changes in the protocol
    18 Jun 2013
    - To add an additional evaluation cohort of approximately 30 subjects: to understand CNS symptoms and predictive factors; PAS was added; mandatory MRIs for baseline and after neurologic events of ≥ grade 3. - 13 additional subjects were enrolled in the open-enrollment cohort. - To clarify treatment interruptions after adverse events. - Update the safety section: to clarify the serious adverse events reporting per European guidelines; to clarify duration of adverse events recording in for early end of core study visit; align adverse events/serious adverse events recording instruction in the protocol. - To describe additional DMC meetings and document policies with respect to conflicts of interest of DMC members. - Adaptation of subject information and ICF: the informed consent was updated based on changes in the protocol.

    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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