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    Clinical Trial Results:
    A Randomized Phase IIIb Study of Rituximab Added to a Chemotherapy, Bendamustine or Chlorambucil, in Patients With Chronic Lymphocytic Leukemia

    Summary
    EudraCT number
    2009-012072-28
    Trial protocol
    ES   SE   FR   FI   PT   GB  
    Global end of trial date
    31 Mar 2014

    Results information
    Results version number
    v1(current)
    This version publication date
    14 Jul 2016
    First version publication date
    06 Aug 2015
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    MO22468
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT01056510
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    F. Hoffmann-La Roche AG
    Sponsor organisation address
    Grenzacherstrasse 124, Basel, Switzerland, CH-4070
    Public contact
    Roche Trial Information Hotline, F. Hoffmann-La Roche AG, +41 616878333, global.trial_information@roche.com
    Scientific contact
    Roche Trial Information Hotline, F. Hoffmann-La Roche AG, +41 616878333, global.trial_information@roche.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
    09 Mar 2015
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    31 Mar 2014
    Global end of trial reached?
    Yes
    Global end of trial date
    31 Mar 2014
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The primary objective of the trial was to compare the confirmed complete response (CR) rate after 6 cycles of treatment between the two treatment arms for the first-line participants with chronic lymphocytic leukemia (CLL).
    Protection of trial subjects
    The investigator has ensured that this study was conducted in full conformance with the principles of the Declaration of Helsinki (2008) or with the laws and regulations of the country in which the research is conducted, whichever affords the greater protection to the individual. The study was designed to fully adhere to the principles outlined in the Guideline for Good Clinical Practice, International Conference on Harmonisation (ICH) Tripartite Guideline (January 1997), or with local law if it affords greater protection to the participant. For studies conducted in the European Union (EU) or the European Economic Area (EEA) countries, the investigator has ensured compliance with the EU Clinical Trial Directive (2001/20/EC). In other countries where a Guideline for Good Clinical Practice exists, F. Hoffmann-La Roche and the investigators has strictly ensured adherence to the stated provisions.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    23 Feb 2010
    Long term follow-up planned
    No
    Independent data monitoring committee (IDMC) involvement?
    Yes
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    Tunisia: 23
    Country: Number of subjects enrolled
    Turkey: 80
    Country: Number of subjects enrolled
    Portugal: 24
    Country: Number of subjects enrolled
    Spain: 22
    Country: Number of subjects enrolled
    Sweden: 23
    Country: Number of subjects enrolled
    United Kingdom: 68
    Country: Number of subjects enrolled
    Finland: 11
    Country: Number of subjects enrolled
    France: 106
    Worldwide total number of subjects
    357
    EEA total number of subjects
    254
    Number of subjects enrolled per age group
    In utero
    0
    Preterm newborn - gestational age < 37 wk
    0
    Newborns (0-27 days)
    0
    Infants and toddlers (28 days-23 months)
    0
    Children (2-11 years)
    0
    Adolescents (12-17 years)
    0
    Adults (18-64 years)
    85
    From 65 to 84 years
    258
    85 years and over
    14

    Subject disposition

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    Recruitment
    Recruitment details
    -

    Pre-assignment
    Screening details
    Screening examination was performed within 28 days before randomization. Participants who fulfilled all the inclusion and none of the exclusion criteria were randomized to one of the two treatment groups.

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

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Rituximab + Bendamustine
    Arm description
    Participants received a specialized first-line or second-line regimen based upon prior chemotherapy exposure. Participants received intravenous (IV) rituximab 375 milligrams per square meter (mg/m^2) on Day 1 of Cycle 1 and 500 mg/m^2 on Day 1 of Cycles 2 to 6. In those requiring a first-line regimen, bendamustine was administered IV at a dose of 90 mg/m^2 on Days 1 and 2 of Cycles 1 to 6. In those requiring a second-line regimen, the bendamustine dose was lowered to 70 mg/m^2. Each cycle was 4 weeks in duration. Treatment was discontinued early in participants who experienced progressive disease (PD).
    Arm type
    Experimental

    Investigational medicinal product name
    Rituximab
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Solution for injection/infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    Participants received IV rituximab 375 mg/m^2 on Day 1 of Cycle 1 and 500 mg/m^2 on Day 1 every 4 weeks for Cycles 2 to 6.

    Investigational medicinal product name
    Bendamustine
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Powder for injection
    Routes of administration
    Intravenous use
    Dosage and administration details
    In those requiring a first-line regimen, bendamustine was administered IV at a dose of 90 mg/m^2 on Days 1 and 2 every 4 weeks for Cycles 1 to 6. In those requiring a second-line regimen, the bendamustine dose was lowered to 70 mg/m^2.

    Arm title
    Rituximab + Chlorambucil
    Arm description
    Participants received IV rituximab 375 mg/m^2 on Day 1 of Cycle 1 and 500 mg/m^2 on Day 1 of Cycles 2 to 6. Chlorambucil was administered orally (PO) at a dose of 10 mg/m^2 on Days 1 to 7, beginning with Cycle 1 and continuing for up to 12 cycles or until CR was achieved. Each cycle was 4 weeks in duration. Treatment was discontinued early in participants who experienced PD.
    Arm type
    Experimental

    Investigational medicinal product name
    Rituximab
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Solution for injection/infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    Participants received IV rituximab 375 mg/m^2 on Day 1 of Cycle 1 and 500 mg/m^2 on Day 1 every 4 weeks for Cycles 2 to 6.

    Investigational medicinal product name
    Chlorambucil
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Film-coated tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Chlorambucil was administered PO at a dose of 10 mg/m^2 on Days 1 to 7 every 4 weeks, beginning with Cycle 1 and continuing for up to 12 cycles or until CR was achieved.

    Number of subjects in period 1
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Started
    178
    179
    Completed
    124
    115
    Not completed
    54
    64
         Consent withdrawn by subject
    4
    2
         Physician decision
    4
    5
         Death
    29
    34
         Not specified
    10
    12
         Dropout before start of treatment
    1
    1
         Lost to follow-up
    5
    6
         Missing
    -
    1
         Noncompliance
    1
    3

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Rituximab + Bendamustine
    Reporting group description
    Participants received a specialized first-line or second-line regimen based upon prior chemotherapy exposure. Participants received intravenous (IV) rituximab 375 milligrams per square meter (mg/m^2) on Day 1 of Cycle 1 and 500 mg/m^2 on Day 1 of Cycles 2 to 6. In those requiring a first-line regimen, bendamustine was administered IV at a dose of 90 mg/m^2 on Days 1 and 2 of Cycles 1 to 6. In those requiring a second-line regimen, the bendamustine dose was lowered to 70 mg/m^2. Each cycle was 4 weeks in duration. Treatment was discontinued early in participants who experienced progressive disease (PD).

    Reporting group title
    Rituximab + Chlorambucil
    Reporting group description
    Participants received IV rituximab 375 mg/m^2 on Day 1 of Cycle 1 and 500 mg/m^2 on Day 1 of Cycles 2 to 6. Chlorambucil was administered orally (PO) at a dose of 10 mg/m^2 on Days 1 to 7, beginning with Cycle 1 and continuing for up to 12 cycles or until CR was achieved. Each cycle was 4 weeks in duration. Treatment was discontinued early in participants who experienced PD.

    Reporting group values
    Rituximab + Bendamustine Rituximab + Chlorambucil Total
    Number of subjects
    178 179 357
    Age categorical
    Units: Subjects
    Age continuous
    Units: years
        arithmetic mean (standard deviation)
    70.6 ( 9.87 ) 70.1 ( 9.88 ) -
    Gender categorical
    Units: Subjects
        Female
    73 61 134
        Male
    105 118 223

    End points

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    End points reporting groups
    Reporting group title
    Rituximab + Bendamustine
    Reporting group description
    Participants received a specialized first-line or second-line regimen based upon prior chemotherapy exposure. Participants received intravenous (IV) rituximab 375 milligrams per square meter (mg/m^2) on Day 1 of Cycle 1 and 500 mg/m^2 on Day 1 of Cycles 2 to 6. In those requiring a first-line regimen, bendamustine was administered IV at a dose of 90 mg/m^2 on Days 1 and 2 of Cycles 1 to 6. In those requiring a second-line regimen, the bendamustine dose was lowered to 70 mg/m^2. Each cycle was 4 weeks in duration. Treatment was discontinued early in participants who experienced progressive disease (PD).

    Reporting group title
    Rituximab + Chlorambucil
    Reporting group description
    Participants received IV rituximab 375 mg/m^2 on Day 1 of Cycle 1 and 500 mg/m^2 on Day 1 of Cycles 2 to 6. Chlorambucil was administered orally (PO) at a dose of 10 mg/m^2 on Days 1 to 7, beginning with Cycle 1 and continuing for up to 12 cycles or until CR was achieved. Each cycle was 4 weeks in duration. Treatment was discontinued early in participants who experienced PD.

    Primary: Percentage of Participants Achieving Confirmed CR According to International Workshop on Chronic Lymphocytic Leukemia (IWCLL) 2008 Guidelines in the First-Line Subpopulation After 6 Cycles of Therapy

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    End point title
    Percentage of Participants Achieving Confirmed CR According to International Workshop on Chronic Lymphocytic Leukemia (IWCLL) 2008 Guidelines in the First-Line Subpopulation After 6 Cycles of Therapy
    End point description
    The definition of confirmed CR required the following at least 2 months after completion of therapy: peripheral blood lymphocytes less than (<) 4 times 10^9 cells per liter (cells/L); absence of significant lymphadenopathy, hepatomegaly, or splenomegaly due to CLL involvement; absence of constitutional symptoms; normal complete blood count (CBC) without need for transfusion or exogenous growth factors, with neutrophils at least (>/=) 1.5 times 10^9 cells/L, platelets greater than (>) 100 times 10^9 cells/L, and hemoglobin > 11.0 grams per deciliter (g/dL); normocellular bone marrow (BM) aspirate with < 30 percent (%) lymphocytes; absence of lymphoid nodules; and BM biopsy without CLL. The percentage of participants achieving confirmed CR was calculated as the number of participants meeting the above criteria divided by the number analyzed, multiplied by 100. Intent-to-Treat (ITT) Population (First-Line Subpopulation): All randomized participants requiring a first-line regimen for CLL.
    End point type
    Primary
    End point timeframe
    At least 2 months after completion of therapy (up to 32 weeks)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: percentage of participants
    number (not applicable)
        Confirmed CR with biopsy
    24
    9.2
        CR without biopsy
    2.5
    5.8
        No confirmed CR
    73.6
    85
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Statistical analysis description
    The first-line subpopulation became the focus of the primary statistical analysis following the protocol amendment dated 21-May-2012.
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    241
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.002 [1]
    Method
    Chi-squared corrected
    Confidence interval
    Notes
    [1] - Based on one-sided continuity corrected Chi-Square Test for participants achieving CR confirmed with biopsy versus those not achieving CR confirmed with biopsy

    Secondary: Percentage of Participants Achieving Confirmed CR According to IWCLL 2008 Guidelines in the Pooled Population After 6 Cycles of Therapy

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    End point title
    Percentage of Participants Achieving Confirmed CR According to IWCLL 2008 Guidelines in the Pooled Population After 6 Cycles of Therapy
    End point description
    The definition of confirmed CR required all of the following criteria as assessed at least 2 months after completion of therapy: peripheral blood lymphocytes < 4 times 10^9 cells/L; absence of significant lymphadenopathy, hepatomegaly, or splenomegaly due to CLL involvement; absence of constitutional symptoms; normal CBC without need for transfusion or exogenous growth factors, as exhibited by neutrophils >/= 1.5 times 10^9 cells/L, platelets > 100 times 10^9 cells/L, and hemoglobin > 11.0 g/dL; normocellular BM aspirate with < 30% lymphocytes; absence of lymphoid nodules; and BM biopsy without CLL activity. The percentage of participants achieving confirmed CR was calculated as the number of participants meeting the above criteria divided by the number of participants analyzed, multiplied by 100. ITT Population.
    End point type
    Secondary
    End point timeframe
    At least 2 months after completion of therapy (up to 32 weeks)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    178
    179
    Units: percentage of participants
    number (not applicable)
        Confirmed CR with biopsy
    21.3
    6.7
        CR without biopsy
    2.8
    4.5
        No confirmed CR
    75.8
    88.8
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    357
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    < 0.001 [2]
    Method
    Chi-squared corrected
    Confidence interval
    Notes
    [2] - Based on one-sided continuity corrected Chi-Square Test for participants achieving CR confirmed with biopsy versus those not achieving CR confirmed with biopsy

    Secondary: Percentage of Participants Achieving Confirmed CR According to IWCLL 2008 Guidelines in the Second-Line Subpopulation After 6 Cycles of Therapy

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    End point title
    Percentage of Participants Achieving Confirmed CR According to IWCLL 2008 Guidelines in the Second-Line Subpopulation After 6 Cycles of Therapy
    End point description
    The definition of confirmed CR required all of the following criteria as assessed at least 2 months after completion of therapy: peripheral blood lymphocytes < 4 times 10^9 cells/L; absence of significant lymphadenopathy, hepatomegaly, or splenomegaly due to CLL involvement; absence of constitutional symptoms; normal CBC without need for transfusion or exogenous growth factors, as exhibited by neutrophils >/= 1.5 times 10^9 cells/L, platelets > 100 times 10^9 cells/L, and hemoglobin > 11.0 g/dL; normocellular BM aspirate with < 30% lymphocytes; absence of lymphoid nodules; and BM biopsy without CLL activity. The percentage of participants achieving confirmed CR was calculated as the number of participants meeting the above criteria divided by the number of participants analyzed, multiplied by 100. ITT Population (Second-Line Subpopulation): All randomized participants requiring a second-line regimen for CLL.
    End point type
    Secondary
    End point timeframe
    At least 2 months after completion of therapy (up to 32 weeks)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    57
    59
    Units: percentage of participants
    number (not applicable)
        Confirmed CR with biopsy
    15.8
    1.7
        CR without biopsy
    3.5
    1.7
        No confirmed CR
    80.7
    96.6
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    116
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.009 [3]
    Method
    Chi-squared corrected
    Confidence interval
    Notes
    [3] - Based on one-sided continuity corrected Chi-Square Test for participants achieving CR confirmed with biopsy versus those not achieving CR confirmed with biopsy

    Secondary: Percentage of Participants Achieving a Best Overall Response of CR, CR With Incomplete Marrow Recovery (CRi), Partial Response (PR), or Nodular PR (nPR) in the First-Line Subpopulation

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    End point title
    Percentage of Participants Achieving a Best Overall Response of CR, CR With Incomplete Marrow Recovery (CRi), Partial Response (PR), or Nodular PR (nPR) in the First-Line Subpopulation
    End point description
    The criteria for CR are identified in previous outcome measure(s). Those fulfilling CR criteria with persistent anemia, thrombocytopenia, or neutropenia were considered CRi. The definition of PR required the following for minimum 2 months: >/= 50% decrease in peripheral blood lymphocytes from Baseline; reduction in lymphadenopathy; >/= 50% reduction in spleen or liver enlargement, and CBC with one of the following without need for transfusion or exogenous growth factors: polymorphonuclear leukocytes >/= 1.5 times 10^9 cells/L, platelets > 100 times 10^9 cells/L or >/= 50% improvement from Baseline, or hemoglobin > 11.0 g/dL or >/= 50% improvement from Baseline. Those with lymphoid nodules who otherwise met CR criteria were considered nPR. The percentage of participants achieving each level of response was calculated as the number of participants meeting the above criteria divided by the number of participants analyzed, multiplied by 100. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    After 3 and 6 treatment cycles and from Baseline to the end-of-treatment (EOT) visit, completed within 10 days before cutoff for data collection
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: percentage of participants
    number (confidence interval 95%)
        After 3 cycles
    78.5 (70.1 to 85.5)
    80 (71.7 to 86.7)
        After 6 cycles
    75.2 (66.5 to 82.6)
    79.2 (70.8 to 86)
        At the EOT visit
    90.9 (84.3 to 95.4)
    85.8 (78.3 to 91.5)
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Statistical analysis description
    After 3 cycles
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    241
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.9 [4]
    Method
    Chi-squared corrected
    Confidence interval
    Notes
    [4] - Based on two-sided continuity corrected Chi-Square Test
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Statistical analysis description
    After 6 cycles
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    241
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.563 [5]
    Method
    Chi-squared corrected
    Confidence interval
    Notes
    [5] - Based on two-sided continuity corrected Chi-Square Test
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Statistical analysis description
    At the EOT visit
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    241
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.304 [6]
    Method
    Chi-squared corrected
    Confidence interval
    Notes
    [6] - Based on two-sided continuity corrected Chi-Square Test

    Secondary: Percentage of Participants by Disease Response Category in the First-Line Subpopulation

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    End point title
    Percentage of Participants by Disease Response Category in the First-Line Subpopulation
    End point description
    The criteria for CR, CRi, PR, and nPR are identified in previous outcome measure(s). PD was defined by at least one of the following: the presence of lymphadenopathy; an increase in the previously noted enlargement of the liver or spleen by >/= 50% or the de novo appearance of hepatomegaly or splenomegaly; an increase in the number of blood lymphocytes by >/= 50% with >/= 5000 B-cells per microliter (B-cells/mcL); transformation to a more aggressive histology; or occurrence of cytopenia attributable to CLL. Participants not achieving a CR or PR, and who did not exhibit PD, were considered to have stable disease (SD). The percentage of participants achieving each level of response was calculated as the number of participants meeting the above criteria divided by the number of participants analyzed. The rows below are labeled first by the level of response at the end of 6 cycles (C6), then by level of response at the confirmation assessment. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    After 6 treatment cycles and at the confirmation of response assessment at least 12 weeks later (up to 36 weeks)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: percentage of participants
    number (not applicable)
        CR with biopsy (C6), CR (confirmed)
    21.5
    9.2
        CR with biopsy (C6), CRi (confirmed)
    2.5
    0
        CR with biopsy (C6), nPR (confirmed)
    1.7
    6.7
        CR with biopsy (C6), PR (confirmed)
    19
    17.5
        CR with biopsy (C6), SD (confirmed)
    0
    1.7
        CR with biopsy (C6), PD (confirmed)
    0
    0
        CR with biopsy (C6), Missing (confirmed)
    0
    0
        CR without biopsy (C6), CR (confirmed)
    2.5
    5.8
        CR without biopsy (C6), CRi (confirmed)
    0
    0
        CR without biopsy (C6), nPR (confirmed)
    0
    0
        CR without biopsy (C6), PR (confirmed)
    16.5
    10
        CR without biopsy (C6), SD (confirmed)
    0
    0
        CR without biopsy (C6), PD (confirmed)
    0
    0
        CR without biopsy (C6), Missing (confirmed)
    0.8
    0
        PR (C6), CR (confirmed)
    1.7
    4.2
        PR (C6), CRi (confirmed)
    0
    0
        PR (C6), nPR (confirmed)
    0
    0
        PR (C6), PR (confirmed)
    8.3
    21.7
        PR (C6), SD (confirmed)
    0
    0
        PR (C6), PD (confirmed)
    0.8
    2.5
        PR (C6), Missing (confirmed)
    0
    0
        SD (C6), CR (confirmed)
    0
    0
        SD (C6), CRi (confirmed)
    0
    0
        SD (C6), nPR (confirmed)
    0
    0
        SD (C6), PR (confirmed)
    0
    0
        SD (C6), SD (confirmed)
    0
    0.8
        SD (C6), PD (confirmed)
    0
    0.8
        SD (C6), Missing (confirmed)
    0
    0
        Missing (C6), CR (confirmed)
    0.8
    0
        Missing (C6), CRi (confirmed)
    0
    0
        Missing (C6), nPR (confirmed)
    0
    0
        Missing (C6), PR (confirmed)
    0
    0
        Missing (C6), SD (confirmed)
    0
    0
        Missing (C6), PD (confirmed)
    0
    0
        Missing (C6), Missing (confirmed)
    24
    19.2
    No statistical analyses for this end point

    Secondary: Progression-Free Survival (PFS) in the First-Line Subpopulation

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    End point title
    Progression-Free Survival (PFS) in the First-Line Subpopulation
    End point description
    The criteria for PD are identified in previous outcome measure(s). PFS was defined as the time from the first dose of trial treatment to the first documentation of PD or death, whichever occurred first. PFS was calculated in months as [first event date minus first dose date plus 1] divided by 30.44. ITT Population (First-Line Subpopulation). 99999 equals (=) not estimable due to insufficient follow-up among participants assigned to Rituximab + Bendamustine in the first-line subpopulation.
    End point type
    Secondary
    End point timeframe
    End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: months
        median (confidence interval 95%)
    39.6 (34.3 to 99999)
    29.9 (22.4 to 34.4)
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Statistical analysis description
    Unstratified analysis
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    241
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.003
    Method
    Logrank
    Parameter type
    Hazard ratio (HR)
    Point estimate
    0.525
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    0.341
         upper limit
    0.809
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Statistical analysis description
    Stratified analysis: by baseline Binet stage
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    241
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.003
    Method
    Logrank
    Parameter type
    Hazard ratio (HR)
    Point estimate
    0.523
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    0.339
         upper limit
    0.806

    Secondary: Disease-Free Survival (DFS) in the First-Line Subpopulation

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    End point title
    Disease-Free Survival (DFS) in the First-Line Subpopulation
    End point description
    The criteria for CR, CRi, and PD are identified in previous outcome measure(s). DFS was defined as the time from the first assessment of CR or CRi to the first documentation of PD or death, whichever occurred first. DFS was calculated in months as [first event date minus first assessment date of CR/CRi plus 1] divided by 30.44. ITT Population (First-Line Subpopulation). 99999 = not estimable because data for > 50% of participants were censored in each arm, and thus a confidence interval upper limit was not reached.
    End point type
    Secondary
    End point timeframe
    End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    90 [7]
    77 [8]
    Units: months
        median (confidence interval 95%)
    36.8 (32 to 99999)
    32 (22.2 to 99999)
    Notes
    [7] - Only participants with CR or CRi during or within 4 months after study treatment were considered.
    [8] - Only participants with CR or CRi during or within 4 months after study treatment were considered.
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    167
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.029
    Method
    Logrank
    Confidence interval

    Secondary: Event-Free Survival (EFS) in the First-Line Subpopulation

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    End point title
    Event-Free Survival (EFS) in the First-Line Subpopulation
    End point description
    The criteria for PD and SD are identified in previous outcome measure(s). EFS was defined as the time from the first dose of trial treatment to the first documentation of PD, the beginning of new treatment for any hematologic malignancy, or death from any cause. Those with SD were considered event-free. EFS was calculated in months as [first event date minus first dose date plus 1] divided by 30.44. ITT Population (First-Line Subpopulation). 99999 = not estimable because data for > 50% of participants were censored, and thus a confidence interval upper limit was not reached.
    End point type
    Secondary
    End point timeframe
    End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: months
        median (confidence interval 95%)
    39.6 (34.3 to 99999)
    29.9 (21.9 to 34.4)
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    241
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.006
    Method
    Logrank
    Confidence interval

    Secondary: Time to Next Leukemia Treatment (TNLT) in the First-Line Subpopulation

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    End point title
    Time to Next Leukemia Treatment (TNLT) in the First-Line Subpopulation
    End point description
    TNLT was defined as the time from the first dose of trial treatment to the first documentation of any new leukemia treatment. TNLT was calculated in months as [first new treatment date minus first dose date plus 1] divided by 30.44. ITT Population (First-Line Subpopulation). 99999 = not estimable due to the low number of participants who received new leukemia treatment. Data for > 90% of participants were censored in the Rituximab + Bendamustine arm, and for > 80% of participants in the Rituximab + Chlorambucil arm.
    End point type
    Secondary
    End point timeframe
    During Cycles 1 to 6 (both treatment arms), Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: months
        median (confidence interval 95%)
    99999 (99999 to 99999)
    99999 (99999 to 99999)
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    241
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.037
    Method
    Logrank
    Confidence interval

    Secondary: Duration of Response in the First-Line Subpopulation

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    End point title
    Duration of Response in the First-Line Subpopulation
    End point description
    The criteria for CR, CRi, PR, nPR, and PD are identified in previous outcome measure(s). Duration of response was defined as the time from the first assessment of CR, CRi, PR, or nPR to the first documentation of PD or death, whichever occurred first. Duration of response was calculated in months as [first event date minus first assessment date of CR/CRi/PR/nPR plus 1] divided by 30.44. ITT Population (First-Line Subpopulation). 99999 = not estimable because data for > 75% of participants were censored, and thus a confidence interval upper limit was not reached.
    End point type
    Secondary
    End point timeframe
    End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    114 [9]
    107 [10]
    Units: months
        median (confidence interval 95%)
    36.8 (31 to 99999)
    27.7 (20.8 to 40.9)
    Notes
    [9] - Only participants with CR, CRi, PR, or nPR were considered in the analysis.
    [10] - Only participants with CR, CRi, PR, or nPR were considered in the analysis.
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    221
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.007
    Method
    Logrank
    Confidence interval

    Secondary: Overall Survival (OS) in the First-Line Subpopulation

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    End point title
    Overall Survival (OS) in the First-Line Subpopulation
    End point description
    OS was defined as the time from recorded diagnosis to death from any cause. OS was calculated in months as [death date or last-known alive date minus diagnosis date plus 1] divided by 30.44. ITT Population (First-Line Subpopulation). 99999 = not estimable due to insufficient follow-up among participants assigned to Rituximab + Chlorambucil in the first-line subpopulation.
    End point type
    Secondary
    End point timeframe
    End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: months
        median (confidence interval 95%)
    43.8 (39.6 to 43.8)
    99999 (99999 to 99999)
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Statistical analysis description
    Unstratified analysis
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    241
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.986
    Method
    Logrank
    Parameter type
    Hazard ratio (HR)
    Point estimate
    0.994
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    0.517
         upper limit
    1.911
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Statistical analysis description
    Stratified analysis: by baseline Binet stage
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    241
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    = 0.939
    Method
    Logrank
    Parameter type
    Hazard ratio (HR)
    Point estimate
    0.975
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    0.505
         upper limit
    1.88

    Secondary: Percentage of Participants Achieving Molecular Response in the First-Line Subpopulation

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    End point title
    Percentage of Participants Achieving Molecular Response in the First-Line Subpopulation
    End point description
    Molecular response was defined as negative minimal residual disease (MRD) during study treatment or within 4 months after the end of treatment. Negative MRD was defined as a proportion of malignant B-cells in normal B-cells < 0.0001. The percentage of participants achieving molecular response was calculated as the number of participants with negative MRD divided by the number of participants analyzed. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    Up to 4 months after the last treatment cycle (up to 40 weeks)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    112 [11]
    106 [12]
    Units: percentage of participants
    number (not applicable)
        Molecular response
    57.1
    16
        No molecular response
    42.9
    84
    Notes
    [11] - Only those with CR, CRi, PR, or nPR during or within 4 months after study treatment were considered.
    [12] - Only those with CR, CRi, PR, or nPR during or within 4 months after study treatment were considered.
    Statistical analysis title
    Rituximab+Bendamustine v Rituximab+Chlorambucil
    Comparison groups
    Rituximab + Bendamustine v Rituximab + Chlorambucil
    Number of subjects included in analysis
    218
    Analysis specification
    Pre-specified
    Analysis type
    other
    P-value
    < 0.001 [13]
    Method
    Chi-squared corrected
    Confidence interval
    Notes
    [13] - Based on two-sided continuity corrected Chi-Square Test

    Secondary: Number of Participants With Positive and Negative Outcome for MRD in the First-Line Subpopulation

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    End point title
    Number of Participants With Positive and Negative Outcome for MRD in the First-Line Subpopulation
    End point description
    Negative MRD was defined as a proportion of malignant B-cells in normal B-cells < 0.0001, and positive MRD was defined as a proportion of malignant B-cells in normal B-cells >/= 0.0001. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    After 6 treatment cycles (up to 24 weeks)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    78 [14]
    78 [15]
    Units: participants
        Positive outcome
    30
    64
        Negative outcome
    48
    14
    Notes
    [14] - Only participants with available MRD data (MRD-evaluable participants) were considered.
    [15] - Only participants with available MRD data (MRD-evaluable participants) were considered.
    No statistical analyses for this end point

    Secondary: Proportion of Malignant B-cells in Normal B-cells Among Participants With a Positive Outcome for MRD in the First-Line Subpopulation

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    End point title
    Proportion of Malignant B-cells in Normal B-cells Among Participants With a Positive Outcome for MRD in the First-Line Subpopulation
    End point description
    The proportion of malignant B-cells in normal B-cells was quantitatively determined, and was calculated as the number of malignant B-cells divided by the number of normal B-cells observed. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    After 6 treatment cycles (up to 24 weeks)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    30 [16]
    64 [17]
    Units: proportion
        arithmetic mean (standard deviation)
    0.0836 ( 0.22739 )
    0.1125 ( 0.27662 )
    Notes
    [16] - Only participants with a positive outcome for MRD were included in the analysis.
    [17] - Only participants with a positive outcome for MRD were included in the analysis.
    No statistical analyses for this end point

    Secondary: Percentage of Participants Experiencing PD or Death in the First-Line Subpopulation

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    End point title
    Percentage of Participants Experiencing PD or Death in the First-Line Subpopulation
    End point description
    The criteria for PD are identified in previous outcome measure(s). The percentage of participants experiencing PD or death was calculated as the number of participants with event divided by the number of participants analyzed, multiplied by 100. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: percentage of participants
        number (not applicable)
    27.3
    46.7
    No statistical analyses for this end point

    Secondary: Percentage of Participants With Tumor Response of CR or CRi Experiencing PD or Death in the First-Line Subpopulation

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    End point title
    Percentage of Participants With Tumor Response of CR or CRi Experiencing PD or Death in the First-Line Subpopulation
    End point description
    The criteria for CR, CRi, and PD are identified in previous outcome measure(s). The percentage of participants experiencing PD or death was calculated as the number of participants with event divided by the number of participants analyzed, multiplied by 100. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    90 [18]
    77 [19]
    Units: percentage of participants
        number (not applicable)
    17.8
    33.8
    Notes
    [18] - Only participants with CR or CRi during or within 4 months after study treatment were considered.
    [19] - Only participants with CR or CRi during or within 4 months after study treatment were considered.
    No statistical analyses for this end point

    Secondary: Percentage of Participants Experiencing PD, Documented Intake of New Leukemia Therapy, or Death in the First-Line Subpopulation

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    End point title
    Percentage of Participants Experiencing PD, Documented Intake of New Leukemia Therapy, or Death in the First-Line Subpopulation
    End point description
    The criteria for PD are identified in previous outcome measure(s). The percentage of participants experiencing PD, intake of new (post-trial) leukemia therapy, or death was calculated as the number of participants with event divided by the number of participants analyzed, multiplied by 100. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: percentage of participants
        number (not applicable)
    29.8
    49.2
    No statistical analyses for this end point

    Secondary: Percentage of Participants With Documented Intake of New Leukemia Therapy in the First-Line Subpopulation

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    End point title
    Percentage of Participants With Documented Intake of New Leukemia Therapy in the First-Line Subpopulation
    End point description
    The percentage of participants with documented intake of new (post-trial) leukemia therapy was calculated as the number of participants with new therapy divided by the number of participants analyzed, multiplied by 100. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    During Cycles 1 to 6 (both treatment arms), Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: percentage of participants
        number (not applicable)
    9.1
    18.3
    No statistical analyses for this end point

    Secondary: Percentage of Participants With Tumor Response of CR, CRi, PR, or nPR Experiencing PD or Death in the First-Line Subpopulation

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    End point title
    Percentage of Participants With Tumor Response of CR, CRi, PR, or nPR Experiencing PD or Death in the First-Line Subpopulation
    End point description
    The criteria for CR, CRi, PR, nPR, and PD are identified in previous outcome measure(s). The percentage of participants experiencing PD or death was calculated as the number of participants with event divided by the number of participants analyzed, multiplied by 100. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    114 [20]
    107 [21]
    Units: percentage of participants
        number (not applicable)
    24.6
    43.9
    Notes
    [20] - Only participants with CR, CRi, PR, or nPR were considered.
    [21] - Only participants with CR, CRi, PR, or nPR were considered.
    No statistical analyses for this end point

    Secondary: Percentage of Participants Experiencing Death in the First-Line Subpopulation

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    End point title
    Percentage of Participants Experiencing Death in the First-Line Subpopulation
    End point description
    The percentage of participants experiencing death was calculated as the number of participants with event divided by the number of participants analyzed, multiplied by 100. ITT Population (First-Line Subpopulation).
    End point type
    Secondary
    End point timeframe
    End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
    End point values
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Number of subjects analysed
    121
    120
    Units: percentage of participants
        number (not applicable)
    14.9
    15
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From Baseline up to 8 weeks after the start of the last treatment cycle (nonserious adverse events [AEs]; up to 56 weeks) or until the EOT visit (serious AEs; up to 4.5 years)
    Adverse event reporting additional description
    Based upon the pooled population including both first-line and second line participants
    Assessment type
    Non-systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    17.0
    Reporting groups
    Reporting group title
    Rituximab + Bendamustine
    Reporting group description
    Participants received a specialized first-line or second-line regimen based upon prior chemotherapy exposure. Participants received intravenous (IV) rituximab 375 mg/m^2 on Day 1 of Cycle 1 and 500 mg/m^2 on Day 1 of Cycles 2 to 6. In those requiring a first-line regimen, bendamustine was administered IV at a dose of 90 mg/m^2 on Days 1 and 2 of Cycles 1 to 6. In those requiring a second-line regimen, the bendamustine dose was lowered to 70 mg/m^2. Each cycle was repeated every 4 weeks. Treatment was discontinued early in participants who experienced progressive disease (PD).

    Reporting group title
    Rituximab + Chlorambucil
    Reporting group description
    Participants received IV rituximab 375 mg/m^2 on Day 1 of Cycle 1 and 500 mg/m^2 on Day 1 of Cycles 2 to 6. Chlorambucil was administered orally (PO) at a dose of 10 mg/m^2 on Days 1 to 7, beginning with Cycle 1 and continuing for up to 12 cycles or until complete response (CR) was achieved. Each cycle was repeated every 4 weeks. Treatment was discontinued early in participants who experienced PD.

    Serious adverse events
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Total subjects affected by serious adverse events
         subjects affected / exposed
    73 / 177 (41.24%)
    56 / 178 (31.46%)
         number of deaths (all causes)
    30
    35
         number of deaths resulting from adverse events
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Acute myeloid leukaemia
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    1 / 1
    0 / 0
    Leiomyosarcoma
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Bladder transitional cell carcinoma
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Lung neoplasm malignant
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 1
    Squamous cell carcinoma
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Squamous cell carcinoma of the tongue
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Vascular disorders
    Hypertensive crisis
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Hypotension
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Vascular occlusion
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    General disorders and administration site conditions
    Pyrexia
         subjects affected / exposed
    5 / 177 (2.82%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    3 / 5
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Chest pain
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Chills
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Death
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 1
    0 / 0
    Ill-defined disorder
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Malaise
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Multi-organ failure
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    1 / 1
    Immune system disorders
    Drug hypersensitivity
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Pneumonitis
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pulmonary embolism
         subjects affected / exposed
    1 / 177 (0.56%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Asthma
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Bronchitis chronic
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Bronchopneumopathy
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Bronchospasm
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Dyspnoea
         subjects affected / exposed
    0 / 177 (0.00%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Lung disorder
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Lung infiltration
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pleural effusion
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Respiratory failure
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Psychiatric disorders
    Adjustment disorder
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Confusional state
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Depression
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Investigations
    Blood creatine increased
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    International normalised ratio increased
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Liver function test abnormal
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Injury, poisoning and procedural complications
    Femur fracture
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Hip fracture
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Infusion related reaction
         subjects affected / exposed
    1 / 177 (0.56%)
    4 / 178 (2.25%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 4
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pubis fracture
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Subdural haematoma
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Overdose
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cardiac disorders
    Arrhythmia
         subjects affected / exposed
    2 / 177 (1.13%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Acute myocardial infarction
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Angina pectoris
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Atrial fibrillation
         subjects affected / exposed
    1 / 177 (0.56%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cardiac failure
         subjects affected / exposed
    1 / 177 (0.56%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 1
    Cardiac fibrillation
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Left ventricular failure
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Myocardial infarction
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Sinus arrhythmia
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Coronary artery disease
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 1
    Nervous system disorders
    Dizziness
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Neurological symptom
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 1
    0 / 0
    Polyneuropathy
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Presyncope
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Tremor
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Blood and lymphatic system disorders
    Febrile neutropenia
         subjects affected / exposed
    11 / 177 (6.21%)
    7 / 178 (3.93%)
         occurrences causally related to treatment / all
    8 / 11
    7 / 7
         deaths causally related to treatment / all
    0 / 0
    1 / 1
    Neutropenia
         subjects affected / exposed
    6 / 177 (3.39%)
    3 / 178 (1.69%)
         occurrences causally related to treatment / all
    6 / 6
    3 / 4
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pancytopenia
         subjects affected / exposed
    3 / 177 (1.69%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    3 / 3
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Anaemia
         subjects affected / exposed
    2 / 177 (1.13%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    1 / 2
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Thrombocytopenia
         subjects affected / exposed
    2 / 177 (1.13%)
    3 / 178 (1.69%)
         occurrences causally related to treatment / all
    2 / 2
    1 / 3
         deaths causally related to treatment / all
    1 / 1
    0 / 0
    Immune thrombocytopenic purpura
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Autoimmune haemolytic anaemia
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Ear and labyrinth disorders
    Vestibular disorder
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Eye disorders
    Retinal haemorrhage
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastrointestinal disorders
    Diarrhoea
         subjects affected / exposed
    3 / 177 (1.69%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    0 / 4
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Constipation
         subjects affected / exposed
    1 / 177 (0.56%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastrointestinal haemorrhage
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastrointestinal toxicity
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Mesenteric vein thrombosis
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Volvulus
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Abdominal pain
         subjects affected / exposed
    0 / 177 (0.00%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Large intestine perforation
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Vomiting
         subjects affected / exposed
    0 / 177 (0.00%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Hepatobiliary disorders
    Cholecystitis
         subjects affected / exposed
    2 / 177 (1.13%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cholecystitis acute
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Jaundice cholestatic
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cholecystitis chronic
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Hepatitis acute
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Skin and subcutaneous tissue disorders
    Rash
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Skin reaction
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Skin toxicity
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Swelling face
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Renal and urinary disorders
    Renal failure acute
         subjects affected / exposed
    1 / 177 (0.56%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Renal failure
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Endocrine disorders
    Inappropriate antidiuretic hormone secretion
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Musculoskeletal and connective tissue disorders
    Back pain
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pain in extremity
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Infections and infestations
    Pneumonia
         subjects affected / exposed
    8 / 177 (4.52%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    4 / 9
    1 / 2
         deaths causally related to treatment / all
    1 / 2
    0 / 0
    Herpes zoster
         subjects affected / exposed
    5 / 177 (2.82%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    2 / 5
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Lower respiratory tract infection
         subjects affected / exposed
    4 / 177 (2.26%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    3 / 4
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Bronchitis
         subjects affected / exposed
    3 / 177 (1.69%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    1 / 3
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Neutropenic sepsis
         subjects affected / exposed
    3 / 177 (1.69%)
    3 / 178 (1.69%)
         occurrences causally related to treatment / all
    3 / 3
    2 / 3
         deaths causally related to treatment / all
    0 / 0
    1 / 1
    Infection
         subjects affected / exposed
    2 / 177 (1.13%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    3 / 4
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Anal abscess
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Bacterial infection
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cellulitis
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Erysipelas
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Escherichia urinary tract infection
         subjects affected / exposed
    1 / 177 (0.56%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    1 / 1
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastroenteritis
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastrointestinal viral infection
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Hepatitis B
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Infective exacerbation of chronic obstructive airways disease
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Listeria sepsis
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Lung infection
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pneumonia bacterial
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 1
    0 / 0
    Sepsis
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    1 / 1
    0 / 0
    Septic shock
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 1
    0 / 0
    Urinary tract infection
         subjects affected / exposed
    1 / 177 (0.56%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Chronic sinusitis
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Lobar pneumonia
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Sinusitis
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Urinary tract infection enterococcal
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Metabolism and nutrition disorders
    Tumour lysis syndrome
         subjects affected / exposed
    4 / 177 (2.26%)
    2 / 178 (1.12%)
         occurrences causally related to treatment / all
    2 / 5
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Dehydration
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Hypoglycaemia
         subjects affected / exposed
    1 / 177 (0.56%)
    0 / 178 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Hyperglycaemia
         subjects affected / exposed
    0 / 177 (0.00%)
    1 / 178 (0.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    Rituximab + Bendamustine Rituximab + Chlorambucil
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    165 / 177 (93.22%)
    159 / 178 (89.33%)
    Investigations
    Neutrophil count decreased
         subjects affected / exposed
    8 / 177 (4.52%)
    11 / 178 (6.18%)
         occurrences all number
    11
    21
    Weight decreased
         subjects affected / exposed
    13 / 177 (7.34%)
    5 / 178 (2.81%)
         occurrences all number
    13
    5
    Injury, poisoning and procedural complications
    Infusion related reaction
         subjects affected / exposed
    12 / 177 (6.78%)
    18 / 178 (10.11%)
         occurrences all number
    12
    23
    Vascular disorders
    Hypotension
         subjects affected / exposed
    9 / 177 (5.08%)
    5 / 178 (2.81%)
         occurrences all number
    11
    6
    Nervous system disorders
    Headache
         subjects affected / exposed
    10 / 177 (5.65%)
    14 / 178 (7.87%)
         occurrences all number
    10
    16
    Dizziness
         subjects affected / exposed
    7 / 177 (3.95%)
    12 / 178 (6.74%)
         occurrences all number
    7
    12
    Blood and lymphatic system disorders
    Neutropenia
         subjects affected / exposed
    97 / 177 (54.80%)
    86 / 178 (48.31%)
         occurrences all number
    231
    187
    Leukopenia
         subjects affected / exposed
    42 / 177 (23.73%)
    31 / 178 (17.42%)
         occurrences all number
    103
    54
    Thrombocytopenia
         subjects affected / exposed
    35 / 177 (19.77%)
    41 / 178 (23.03%)
         occurrences all number
    66
    73
    Anaemia
         subjects affected / exposed
    40 / 177 (22.60%)
    27 / 178 (15.17%)
         occurrences all number
    44
    34
    Lymphopenia
         subjects affected / exposed
    30 / 177 (16.95%)
    21 / 178 (11.80%)
         occurrences all number
    43
    32
    General disorders and administration site conditions
    Asthenia
         subjects affected / exposed
    29 / 177 (16.38%)
    34 / 178 (19.10%)
         occurrences all number
    35
    40
    Pyrexia
         subjects affected / exposed
    33 / 177 (18.64%)
    16 / 178 (8.99%)
         occurrences all number
    36
    21
    Fatigue
         subjects affected / exposed
    17 / 177 (9.60%)
    18 / 178 (10.11%)
         occurrences all number
    19
    25
    Chills
         subjects affected / exposed
    16 / 177 (9.04%)
    15 / 178 (8.43%)
         occurrences all number
    20
    20
    Oedema peripheral
         subjects affected / exposed
    9 / 177 (5.08%)
    10 / 178 (5.62%)
         occurrences all number
    9
    11
    Gastrointestinal disorders
    Nausea
         subjects affected / exposed
    53 / 177 (29.94%)
    46 / 178 (25.84%)
         occurrences all number
    77
    66
    Diarrhoea
         subjects affected / exposed
    29 / 177 (16.38%)
    20 / 178 (11.24%)
         occurrences all number
    37
    26
    Constipation
         subjects affected / exposed
    27 / 177 (15.25%)
    22 / 178 (12.36%)
         occurrences all number
    34
    22
    Vomiting
         subjects affected / exposed
    18 / 177 (10.17%)
    20 / 178 (11.24%)
         occurrences all number
    23
    24
    Abdominal pain
         subjects affected / exposed
    3 / 177 (1.69%)
    11 / 178 (6.18%)
         occurrences all number
    3
    11
    Respiratory, thoracic and mediastinal disorders
    Cough
         subjects affected / exposed
    17 / 177 (9.60%)
    18 / 178 (10.11%)
         occurrences all number
    18
    19
    Dyspnoea
         subjects affected / exposed
    10 / 177 (5.65%)
    12 / 178 (6.74%)
         occurrences all number
    11
    12
    Skin and subcutaneous tissue disorders
    Rash
         subjects affected / exposed
    28 / 177 (15.82%)
    9 / 178 (5.06%)
         occurrences all number
    34
    9
    Pruritus
         subjects affected / exposed
    14 / 177 (7.91%)
    8 / 178 (4.49%)
         occurrences all number
    14
    8
    Musculoskeletal and connective tissue disorders
    Back pain
         subjects affected / exposed
    5 / 177 (2.82%)
    12 / 178 (6.74%)
         occurrences all number
    6
    12
    Infections and infestations
    Nasopharyngitis
         subjects affected / exposed
    10 / 177 (5.65%)
    9 / 178 (5.06%)
         occurrences all number
    11
    9
    Bronchitis
         subjects affected / exposed
    8 / 177 (4.52%)
    9 / 178 (5.06%)
         occurrences all number
    9
    10
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    14 / 177 (7.91%)
    8 / 178 (4.49%)
         occurrences all number
    15
    8

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    17 Dec 2010
    The confirmation of response assessment visit was changed from 8 weeks to 12 weeks after initial diagnosis of CR. Additionally, participants in the second-line subpopulation were permitted to have received any first-line chemotherapy prior to enrollment unless explicitly prohibited under the exclusion criteria. The method of investigational drug dosing was also specified as the DuBois formula for body surface area (BSA). The amendment also stipulated a second set of screening examinations within 7 days of treatment start. Splitting of the rituximab dose was permitted for participants with a high absolute lymphocyte count (>/= 25 times 10^9 cells/mcL). Bendamustine dose adaptation and reconstitution technique were also specified to reflect start criteria per the manufacturer. The reporting period for AEs was updated, where only serious AEs were to be followed until premature withdrawal or the EOT visit.
    21 May 2012
    The relapsed (second-line) participant cohort was closed in order to focus on enrollment of participants into the first-line subpopulation. Previous treatment for CLL became an exclusion criterion. Participants already enrolled into the second-line subpopulation continued to receive treatment and perform routine study assessments as specified by the protocol. Analyses of the first-line subpopulation became the focus of the primary endpoint; however, the interim analysis was unaffected by the protocol amendment and was applied to the pooled population of first-line and second-line participants. Confirmed CR assessment was based on IWCLL2008 criteria.

    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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