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    Clinical Trial Results:
    Ibrutinib and Standard Immuno-Chemotherapy (R-CHOEP-14) In Younger, High-Risk Patients with Diffuse Large B-Cell Lymphoma

    Summary
    EudraCT number
    2017-003256-22
    Trial protocol
    DE  
    Global end of trial date
    23 Dec 2023

    Results information
    Results version number
    v1(current)
    This version publication date
    05 Jan 2025
    First version publication date
    05 Jan 2025
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    UKM17_0017
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT03399513
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Universitätsklinikum Münster
    Sponsor organisation address
    Albert-Schweitzer-Campus 1, Münster, Germany, 48149
    Public contact
    Coordinating investigator, Universitätsklinikum Münster, Norbert.Schmitz@ukmuenster.de
    Scientific contact
    Coordinating investigator, Universitätsklinikum Münster, Norbert.Schmitz@ukmuenster.de
    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
    15 Nov 2024
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    23 Dec 2023
    Global end of trial reached?
    Yes
    Global end of trial date
    23 Dec 2023
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The primary objective was to estimate the 2-year progression-free survival (PFS) achieved with ibrutinib in combination with immunochemotherapy with rituximab, cyclophosphamide, doxorubicin, vincristine, etoposide, and prednisolone (R-CHOEP) in newly diagnosed, younger patients (age 18-60 years) with diffuse large B-cell lymphoma (DLBCL) and age-adjusted International Prognostic Index (aaIPI) 2 or 3.
    Protection of trial subjects
    The study was conducted in accordance with the Declaration of Helsinki and the ICH Guidelines in Good Clinical Practice. The study was not started before the competent ethics committee had given a favorable opinion. Written informed consent was obtained from all patients and the study was only conducted as approved by the Ethics committee and the competent authority. Amendments were only implemented after approval.
    Background therapy
    The test product ibrutinib was administered in combination with standard immunochemotherapy with rituximab, cyclophosphamide, doxorubicin, vincristine, etoposide, and prednisolone (R-CHOEP).
    Evidence for comparator
    A secondary objective for efficacy was to compare patients from this single-arm study with patients from the previous R-MegaCHOEP phase III trial (Schmitz et al., Lancet Oncol 2012).
    Actual start date of recruitment
    01 Jun 2018
    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
    Germany: 40
    Worldwide total number of subjects
    40
    EEA total number of subjects
    40
    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)
    40
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    40 patients were registered for this study from June 2018 until December 2023 at 9 study sites in Germany.

    Pre-assignment
    Screening details
    Each patient's eligibility was verified during a screening visit. Informed consent was obtained prior to any clinical procedures that are performed solely for study-related purposes.

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

    Arms
    Arm title
    Ibrutinib + R-CHOEP
    Arm description
    Patients treated with ibrutinib in combination with immunochemotherapy 8 x R-CHOEP.
    Arm type
    Experimental

    Investigational medicinal product name
    Ibrutinib
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Capsule, hard
    Routes of administration
    Oral use
    Dosage and administration details
    Ibrutinib was administered at a dose of 560 mg (4 x 140 mg capsules orally once daily) from day 1 to day 112 or max. until day 14 of cycle 8 of R-CHOEP. R-CHOEP was administered every 2 weeks for 8 cycles.

    Number of subjects in period 1
    Ibrutinib + R-CHOEP
    Started
    40
    Completed
    34
    Not completed
    6
         Death due to lymphoma
    4
         Death due to other reason
    1
         Death due to salvage therapy following r/r disease
    1

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    overall trial
    Reporting group description
    -

    Reporting group values
    overall trial Total
    Number of subjects
    40 40
    Age categorical
    Units: Subjects
        In utero
    0 0
        Preterm newborn infants (gestational age < 37 wks)
    0 0
        Newborns (0-27 days)
    0 0
        Infants and toddlers (28 days-23 months)
    0 0
        Children (2-11 years)
    0 0
        Adolescents (12-17 years)
    0 0
        Adults (18-64 years)
    40 40
        From 65-84 years
    0 0
        85 years and over
    0 0
    Gender categorical
    Units: Subjects
        Female
    20 20
        Male
    20 20
    LDH > UNV
    Units: Subjects
        Yes
    38 38
        No
    2 2
    ECOG > 1
    Units: Subjects
        Yes
    8 8
        No
    32 32
    Stage III/ IV
    Units: Subjects
        Yes
    39 39
        No
    1 1
    aaIPI
    Units: Subjects
        01
    1 1
        02
    33 33
        03
    6 6
    Extranodal involvement
    Units: Subjects
        Yes
    35 35
        No
    5 5
    Extranodal involvement > 1
    Units: Subjects
        Yes
    23 23
        No
    17 17
    Bulky disease
    Units: Subjects
        Yes
    24 24
        No
    16 16
    B symptoms
    Units: Subjects
        Yes
    18 18
        No
    22 22
    BM involvement
    Units: Subjects
        Yes
    6 6
        No
    34 34
    Diagnosis of lymphoma according to primary pathology
    Units: Subjects
        DLBCL, NOS
    29 29
        High-grade B-cell lymphoma (HGBCL), NOS
    7 7
        HGBCL with MYC and BCL2 and/or BCL6 rearrangements
    4 4
    Diagnosis of lymphoma according to reference pathology
    Units: Subjects
        DLBCL, NOS
    32 32
        HGBCL, NOS
    1 1
        HGBCL with MYC and BCL2 and/or BCL6 rearrangements
    1 1
        T-cell/histiocyte-rich large B-cell lymphoma
    1 1
        PMBCL
    1 1
        Burkitt lymphoma
    2 2
        Follicular lymphoma grade 1/2
    1 1
        Not available
    1 1

    End points

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    End points reporting groups
    Reporting group title
    Ibrutinib + R-CHOEP
    Reporting group description
    Patients treated with ibrutinib in combination with immunochemotherapy 8 x R-CHOEP.

    Primary: PFS (Progression free survival)

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    End point title
    PFS (Progression free survival) [1]
    End point description
    End point type
    Primary
    End point timeframe
    After 24 months
    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: The primary analysis was to determine the 2-year PFS-rate with 95% confidence interval using a Kaplan-Meier curve.
    End point values
    Ibrutinib + R-CHOEP
    Number of subjects analysed
    40
    Units: percent
        number (confidence interval 95%)
    83 (71 to 95)
    No statistical analyses for this end point

    Secondary: Overall survival (OS)

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    End point title
    Overall survival (OS)
    End point description
    End point type
    Secondary
    End point timeframe
    After 24 months
    End point values
    Ibrutinib + R-CHOEP
    Number of subjects analysed
    40
    Units: percent
        number (confidence interval 95%)
    83 (71 to 95)
    No statistical analyses for this end point

    Secondary: Event-free survival (EFS)

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    End point title
    Event-free survival (EFS)
    End point description
    End point type
    Secondary
    End point timeframe
    After 24 months
    End point values
    Ibrutinib + R-CHOEP
    Number of subjects analysed
    40
    Units: percent
        number (confidence interval 95%)
    83 (71 to 95)
    No statistical analyses for this end point

    Secondary: Complete remission (CR) rate

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    End point title
    Complete remission (CR) rate
    End point description
    End point type
    Secondary
    End point timeframe
    Response of therapy
    End point values
    Ibrutinib + R-CHOEP
    Number of subjects analysed
    40
    Units: percent
        number (confidence interval 95%)
    70 (53 to 83)
    No statistical analyses for this end point

    Secondary: Partial remission (PR) rate

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    End point title
    Partial remission (PR) rate
    End point description
    End point type
    Secondary
    End point timeframe
    Response of therapy
    End point values
    Ibrutinib + R-CHOEP
    Number of subjects analysed
    40
    Units: percent
        number (confidence interval 95%)
    22 (11 to 38)
    No statistical analyses for this end point

    Secondary: Overall response rate (ORR) (CR+PR)

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    End point title
    Overall response rate (ORR) (CR+PR)
    End point description
    End point type
    Secondary
    End point timeframe
    Response of therapy
    End point values
    Ibrutinib + R-CHOEP
    Number of subjects analysed
    40
    Units: percent
        number (confidence interval 95%)
    92 (80 to 98)
    No statistical analyses for this end point

    Secondary: Progression rate

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    End point title
    Progression rate
    End point description
    End point type
    Secondary
    End point timeframe
    Response of therapy
    End point values
    Ibrutinib + R-CHOEP
    Number of subjects analysed
    40
    Units: percent
        number (confidence interval 95%)
    2 (1 to 13)
    No statistical analyses for this end point

    Secondary: Relapse rate

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    End point title
    Relapse rate
    End point description
    End point type
    Secondary
    End point timeframe
    Relapse-rate for patients with response CR
    End point values
    Ibrutinib + R-CHOEP
    Number of subjects analysed
    28
    Units: percent
        number (confidence interval 95%)
    14 (4 to 33)
    No statistical analyses for this end point

    Secondary: Administration of R-CHOEP and Ibrutinib

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    End point title
    Administration of R-CHOEP and Ibrutinib
    End point description
    End point type
    Secondary
    End point timeframe
    Course of therapy
    End point values
    Ibrutinib + R-CHOEP
    Number of subjects analysed
    40
    Units: percent
        Complete therapy
    43
        Early termination of Ibrutinib
    25
        Early termination of R-CHOEP and Ibrutinib
    32
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    The documentation of adverse events (AEs) started with first study treatment after patient inclusion and ended 100 days after the last application of ibrutinib or any component of R-CHOEP (whichever was applied last).
    Adverse event reporting additional description
    In this study, AEs were documented in the eCRF according to predefined categories per therapy cycle. All serious AEs were reported here as serious adverse events (SAEs) and all AEs with CTC grade 3 or higher as non-SAEs.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    27.1
    Reporting groups
    Reporting group title
    Overall trial
    Reporting group description
    -

    Serious adverse events
    Overall trial
    Total subjects affected by serious adverse events
         subjects affected / exposed
    26 / 40 (65.00%)
         number of deaths (all causes)
    6
         number of deaths resulting from adverse events
    0
    Investigations
    Alanine aminotransferase increased
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    C-reactive protein increased
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Lymphocyte count decreased
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Neutrophil count decreased
         subjects affected / exposed
    4 / 40 (10.00%)
         occurrences causally related to treatment / all
    7 / 7
         deaths causally related to treatment / all
    0 / 0
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Glioblastoma
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Vascular disorders
    Microangiopathy
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Cardiac disorders
    Acute myocardial infarction
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Cardiac failure
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Myopericarditis
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Tachycardia
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Atrial fibrillation
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Nervous system disorders
    Epilepsy
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Headache
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Syncope
         subjects affected / exposed
    1 / 40 (2.50%)
         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
    2 / 40 (5.00%)
         occurrences causally related to treatment / all
    3 / 3
         deaths causally related to treatment / all
    0 / 0
    Febrile neutropenia
         subjects affected / exposed
    5 / 40 (12.50%)
         occurrences causally related to treatment / all
    5 / 5
         deaths causally related to treatment / all
    0 / 0
    Haemolysis
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Leukopenia
         subjects affected / exposed
    5 / 40 (12.50%)
         occurrences causally related to treatment / all
    8 / 8
         deaths causally related to treatment / all
    0 / 0
    Pancytopenia
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Thrombocytopenia
         subjects affected / exposed
    3 / 40 (7.50%)
         occurrences causally related to treatment / all
    4 / 4
         deaths causally related to treatment / all
    0 / 0
    General disorders and administration site conditions
    Chest pain
         subjects affected / exposed
    2 / 40 (5.00%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Fatigue
         subjects affected / exposed
    2 / 40 (5.00%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Gait disturbance
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    General physical health deterioration
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pain
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Pyrexia
         subjects affected / exposed
    8 / 40 (20.00%)
         occurrences causally related to treatment / all
    6 / 11
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal disorders
    Diarrhoea
         subjects affected / exposed
    2 / 40 (5.00%)
         occurrences causally related to treatment / all
    1 / 3
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal haemorrhage
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Nausea
         subjects affected / exposed
    2 / 40 (5.00%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Stomatitis
         subjects affected / exposed
    5 / 40 (12.50%)
         occurrences causally related to treatment / all
    4 / 6
         deaths causally related to treatment / all
    0 / 0
    Vomiting
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Dyspnoea exertional
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Psychiatric disorders
    Disorientation
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    COVID-19
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Chronic sinusitis
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Fungaemia
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Herpes zoster
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Infection
         subjects affected / exposed
    3 / 40 (7.50%)
         occurrences causally related to treatment / all
    2 / 3
         deaths causally related to treatment / all
    0 / 0
    Tonsillitis
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Urinary tract infection
         subjects affected / exposed
    2 / 40 (5.00%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 0%
    Non-serious adverse events
    Overall trial
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    40 / 40 (100.00%)
    Vascular disorders
    Hypertension
         subjects affected / exposed
    4 / 40 (10.00%)
         occurrences all number
    10
    Cardiac disorders
    Atrial fibrillation
         subjects affected / exposed
    1 / 40 (2.50%)
         occurrences all number
    1
    Nervous system disorders
    Peripheral sensory neuropathy
         subjects affected / exposed
    5 / 40 (12.50%)
         occurrences all number
    11
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    22 / 40 (55.00%)
         occurrences all number
    76
    Febrile neutropenia
         subjects affected / exposed
    5 / 40 (12.50%)
         occurrences all number
    6
    Leukopenia
         subjects affected / exposed
    30 / 40 (75.00%)
         occurrences all number
    106
    Thrombocytopenia
         subjects affected / exposed
    19 / 40 (47.50%)
         occurrences all number
    64
    Neutrophil count decreased
         subjects affected / exposed
    24 / 40 (60.00%)
         occurrences all number
    68
    General disorders and administration site conditions
    Fatigue
         subjects affected / exposed
    2 / 40 (5.00%)
         occurrences all number
    2
    Gastrointestinal disorders
    Diarrhoea
         subjects affected / exposed
    2 / 40 (5.00%)
         occurrences all number
    2
    Nausea
         subjects affected / exposed
    2 / 40 (5.00%)
         occurrences all number
    2
    Vomiting
         subjects affected / exposed
    3 / 40 (7.50%)
         occurrences all number
    3
    Mucositis oral
         subjects affected / exposed
    5 / 40 (12.50%)
         occurrences all number
    6
    Infections and infestations
    Infection
         subjects affected / exposed
    5 / 40 (12.50%)
         occurrences all number
    7

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    06 Jun 2018
    Inclusion criteria of the protocol have been amended: The eligible primary diagnoses for inclusion of the patient were changed according the new WHO classification of malignant lymphomas (Swerdlow et al., 2016): DLBCL (NOS) or High-grade B-cell Lymphoma with MYC and BCL2 and/or BCL6 rearrangements or High-grade B-cell lymphoma, NOS. In addition, the following was modified in the protocol: Dose modification for the chemotherapy CHOEP was listed in the protocol, SAE reporting was changed.
    05 Sep 2018
    The time of administration of ibrutinib was specified in the protocol.
    19 Jun 2019
    Safety data from the updated Investigator’s brochure of ibrutinib regarding the interaction with other medicinal products (moderate CYP3A inhibitors) was added to the protocol. Prephase treatment was revised in the protocol allowing for prolonging prephase treatment for a maximum of seven days of prednisolone at the investigators discretion and adequate medical reason. Prophylaxis of infections was revised with regard to acyclovir, levofloxacin and the prophylaxis and treatment of fungal infections was addressed in the protocol.
    25 Mar 2020
    Safety data from the updated Investigator’s brochure of ibrutinib regarding precautions and warnings in case of bleeding-related events, cardiac arrhythmias, lymphocytosis, cerebrovascular accidents and other safety observations were added to the protocol. The handling of complaints regarding the trial medication (Product Quality Complaint (PQC)) was included in the protocol.
    30 Apr 2020
    Safety data from the updated Investigator’s brochure of ibrutinib regarding precautions and warnings in case of bleeding-related events, leukostasis, hypertension, lymphocytosis, cerebrovascular accidents and other safety observations were added to the protocol. A clarification regarding reporting of pregnancy was added.
    12 Apr 2021
    The number of patients in the study was adjusted.
    24 Aug 2021
    Safety data from the updated Investigator’s brochure of ibrutinib regarding precautions and warnings in case of cardiac arrhythmias and cardiac failure and other safety observations were added to the protocol.
    30 Jun 2022
    Administrative changes in the study were implemented 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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