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    The EU Clinical Trials Register currently displays   44336   clinical trials with a EudraCT protocol, of which   7366   are clinical trials conducted with subjects less than 18 years old.   The register also displays information on   18700   older paediatric trials (in scope of Article 45 of the Paediatric Regulation (EC) No 1901/2006).

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    Clinical Trial Results:
    A phase Ib/II open-label, multicenter study evaluating the safety, efficacy, and pharmacokinetics of mosunetuzumab in combination with tiragolumab with or without atezolizumab in patients with relapsed or refractory B-cell non-Hodgkin lymphoma

    Summary
    EudraCT number
    2021-001060-23
    Trial protocol
    DE   BE  
    Global end of trial date
    19 Jul 2023

    Results information
    Results version number
    v1(current)
    This version publication date
    01 Aug 2024
    First version publication date
    01 Aug 2024
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    CO43116
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT05315713
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    F. Hoffmann-La Roche AG
    Sponsor organisation address
    Grenzacherstrasse 124, Basel, Switzerland, 4058
    Public contact
    F. Hoffmann-La Roche AG, F. Hoffmann-La Roche AG, +41 616878333, global.trial_information@roche.com
    Scientific contact
    F. Hoffmann-La Roche AG, 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
    01 Feb 2024
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    19 Jul 2023
    Was the trial ended prematurely?
    Yes
    General information about the trial
    Main objective of the trial
    To assess the safety, efficacy, and pharmacokinetics of mosunetuzumab in combination with tiragolumab, with or without atezolizumab, in participants with relapsed or refractory follicular lymphoma or diffuse large B-cell lymphoma.
    Protection of trial subjects
    All participants were require to sign an Informed Consent Form.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    10 May 2022
    Long term follow-up planned
    No
    Independent data monitoring committee (IDMC) involvement?
    No
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    Australia: 1
    Country: Number of subjects enrolled
    Belgium: 5
    Country: Number of subjects enrolled
    United States: 2
    Worldwide total number of subjects
    8
    EEA total number of subjects
    5
    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)
    3
    From 65 to 84 years
    5
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    -

    Pre-assignment
    Screening details
    Participants with relapsed or refractory follicular lymphoma or with diffuse large B-cell lymphoma

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

    Arms
    Arm title
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Arm description
    Participants received SC mosunetuzumab on Cycle (C) 1 Day (D) 1, C1D8, C1D15, and on the first day of each subsequent 21-day treatment cycle. Participants also received IV tiragolumab every 3 weeks (Q3W).
    Arm type
    Experimental

    Investigational medicinal product name
    Tiragolumab
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Solution for infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    Participants received 600 mg IV tiragolumab Q3W after administration of SC mosunetuzumab.

    Investigational medicinal product name
    Mosunetuzumab
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Solution for injection
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    Mosunetuzumab was administered via SC injection 5 mg on Cycle (C) 1 Day (D) 1 (C1D1), 45 mg on C1D8, 45 mg on C1D15, and 45 mg on the first day of each subsequent 21-day treatment cycle

    Number of subjects in period 1
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Started
    8
    Completed
    0
    Not completed
    8
         Adverse event, serious fatal
    2
         Consent withdrawn by subject
    1
         Death
    3
         Study terminated by sponsor
    1
         Progressive disease
    1

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Reporting group description
    Participants received SC mosunetuzumab on Cycle (C) 1 Day (D) 1, C1D8, C1D15, and on the first day of each subsequent 21-day treatment cycle. Participants also received IV tiragolumab every 3 weeks (Q3W).

    Reporting group values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab Total
    Number of subjects
    8 8
    Age categorical
    Units: Subjects
        Adults (18-64 years)
    3 3
        From 65-84 years
    5 5
    Age Continuous
    Units: Years
        arithmetic mean (standard deviation)
    64.9 ( 12.8 ) -
    Sex: Female, Male
    Units: Participants
        Female
    4 4
        Male
    4 4
    Race (NIH/OMB)
    Units: Subjects
        American Indian or Alaska Native
    0 0
        Asian
    0 0
        Native Hawaiian or Other Pacific Islander
    0 0
        Black or African American
    0 0
        White
    6 6
        More than one race
    0 0
        Unknown or Not Reported
    2 2
    Ethnicity (NIH/OMB)
    Units: Subjects
        Hispanic or Latino
    0 0
        Not Hispanic or Latino
    6 6
        Unknown or Not Reported
    2 2

    End points

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    End points reporting groups
    Reporting group title
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Reporting group description
    Participants received SC mosunetuzumab on Cycle (C) 1 Day (D) 1, C1D8, C1D15, and on the first day of each subsequent 21-day treatment cycle. Participants also received IV tiragolumab every 3 weeks (Q3W).

    Primary: Percentage of Participants with Adverse Events - Phase 1b

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    End point title
    Percentage of Participants with Adverse Events - Phase 1b [1]
    End point description
    End point type
    Primary
    End point timeframe
    From the start of treatment until 90 days after the final dose of study treatment
    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: There were no formal statistical analyses planned for this endpoint
    End point values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Number of subjects analysed
    8
    Units: Percentage of participants
    100
    No statistical analyses for this end point

    Primary: Best Objective Response Rate (ORR) as Determined by the Investigator Using Lugano 2014 Criteria - Phase 2

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    End point title
    Best Objective Response Rate (ORR) as Determined by the Investigator Using Lugano 2014 Criteria - Phase 2 [2]
    End point description
    This endpoint was not evaluated due to early study termination (Phase 2 did not occur).
    End point type
    Primary
    End point timeframe
    Up to Cycle 17 (cycle length = 21 days)
    Notes
    [2] - 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: There were no formal statistical analyses planned for this endpoint
    End point values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Number of subjects analysed
    0 [3]
    Units: Percentage of participants
        number (not applicable)
    Notes
    [3] - This endpoint was not evaluated due to early study termination.
    No statistical analyses for this end point

    Secondary: Best ORR as Determined by the Investigator Using Lugano 2014 Criteria - Phase 1b

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    End point title
    Best ORR as Determined by the Investigator Using Lugano 2014 Criteria - Phase 1b
    End point description
    Best ORR is defined as the fraction of participants with complete response (CR) or partial response (PR) at any time as determined by the investigator using Lugano 2014 criteria.
    End point type
    Secondary
    End point timeframe
    Assessed at screening and then every 3-6 months until disease progression, start of new anti-cancer therapy, or withdrawal (through Cycle 8; cycle length = 21 days)
    End point values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Number of subjects analysed
    8
    Units: Percentage of participants
        number (not applicable)
    62.5
    No statistical analyses for this end point

    Secondary: Serum Concentration of Mosunetuzumab - Phase 1b

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    End point title
    Serum Concentration of Mosunetuzumab - Phase 1b
    End point description
    -9999: Pre-dose serum concentrations were below the limit of quantification. 9999: There were insufficient data points above the limit of quantification to calculate the CV.
    End point type
    Secondary
    End point timeframe
    Cycle 1 Day 1 - Cycle 8 Day 1 (cycle length = 21 days)
    End point values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Number of subjects analysed
    8
    Units: ug/mL
    geometric mean (geometric coefficient of variation)
        C1D1 pre-dose (n=8)
    -9999 ( 9999 )
        C1D1 3 hrs post-dose (n=8)
    0.00983 ( 9999 )
        C1D2 24 hrs post-dose (n=8)
    0.0556 ( 109.6 )
        C1D4 72 hrs post-dose (n=8)
    0.164 ( 90.5 )
        C1D8 pre-dose (n=8)
    0.166 ( 83.2 )
        C1D15 pre-dose (n=7)
    2.18 ( 48.8 )
        C2D1 pre-dose (n=7)
    4.02 ( 86.3 )
        C3D1 pre-dose (n=6)
    2.90 ( 81.8 )
        C4D1 pre-dose (n=5)
    2.34 ( 49.0 )
        C4D1 3 hrs post-dose (n=6)
    2.10 ( 48.2 )
        C5D1 pre-dose (n=4)
    2.59 ( 25.7 )
        C8D1 pre-dose (n=3)
    2.97 ( 17.7 )
    No statistical analyses for this end point

    Secondary: Best Complete Response (CR) Rate as Determined by the Investigator Using Lugano 2014 Criteria - Phase 1b and Phase 2

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    End point title
    Best Complete Response (CR) Rate as Determined by the Investigator Using Lugano 2014 Criteria - Phase 1b and Phase 2
    End point description
    End point type
    Secondary
    End point timeframe
    Assessed at screening and then every 3-6 months until disease progression, start of new anti-cancer therapy, or withdrawal (through Cycle 8; cycle length = 21 days)
    End point values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Number of subjects analysed
    8
    Units: Percentage of participants
        number (not applicable)
    37.5
    No statistical analyses for this end point

    Secondary: Duration of Response (DOR) as Determined by the Investigator Using Lugano 2014 Criteria - Phase 1b and Phase 2

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    End point title
    Duration of Response (DOR) as Determined by the Investigator Using Lugano 2014 Criteria - Phase 1b and Phase 2
    End point description
    End point type
    Secondary
    End point timeframe
    From the first occurrence of a documented response (CR or partial response (PR)) to disease progression or relapse, or death from any cause, whichever occurs first (up to approximately 4 years)
    End point values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Number of subjects analysed
    0 [4]
    Units: Time
        number (not applicable)
    Notes
    [4] - This endpoint was not analyzed due to an insufficient number of participants with the event.
    No statistical analyses for this end point

    Secondary: Progression-Free Survival (PFS) as Determined by the Investigator Using Lugano 2014 Criteria - Phase 2

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    End point title
    Progression-Free Survival (PFS) as Determined by the Investigator Using Lugano 2014 Criteria - Phase 2
    End point description
    End point type
    Secondary
    End point timeframe
    From the first study treatment to the first occurrence of disease progression or relapse, or death from any cause, whichever occurs first (up to approximately 4 years)
    End point values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Number of subjects analysed
    0 [5]
    Units: Time
        number (not applicable)
    Notes
    [5] - This endpoint was not evaluated due to early study termination.
    No statistical analyses for this end point

    Secondary: Event-Free Survival (EFS) as Determined by the Investigator Using Lugano 2014 Criteria - Phase 2

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    End point title
    Event-Free Survival (EFS) as Determined by the Investigator Using Lugano 2014 Criteria - Phase 2
    End point description
    End point type
    Secondary
    End point timeframe
    From the first study treatment to the first occurrence of disease progression or relapse, or death from any cause, whichever occurs first (up to approximately 4 years)
    End point values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Number of subjects analysed
    0 [6]
    Units: Time
        number (not applicable)
    Notes
    [6] - This endpoint was not evaluated due to early study termination.
    No statistical analyses for this end point

    Secondary: Overall Survival (OS) - Phase 2

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    End point title
    Overall Survival (OS) - Phase 2
    End point description
    End point type
    Secondary
    End point timeframe
    From the time of first study treatment to death from any cause (up to approximately 4 years)
    End point values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Number of subjects analysed
    0 [7]
    Units: Time
        number (not applicable)
    Notes
    [7] - This endpoint was not evaluated due to early study termination.
    No statistical analyses for this end point

    Secondary: Percentage of Participants with Adverse Events - Phase 2

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    End point title
    Percentage of Participants with Adverse Events - Phase 2
    End point description
    End point type
    Secondary
    End point timeframe
    From the start of treatment until 90 days after the final dose of study treatment
    End point values
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Number of subjects analysed
    0 [8]
    Units: Percentage of participants
        number (not applicable)
    Notes
    [8] - This endpoint was not evaluated due to early study termination.
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From the start of treatment until 90 days after the final dose of study treatment
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    26.1
    Reporting groups
    Reporting group title
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Reporting group description
    Participants received SC mosunetuzumab on Cycle (C) 1 Day (D) 1, C1D8, C1D15, and on the first day of each subsequent 21-day treatment cycle. Participants also received IV tiragolumab every 3 weeks (Q3W).

    Serious adverse events
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Total subjects affected by serious adverse events
         subjects affected / exposed
    2 / 8 (25.00%)
         number of deaths (all causes)
    5
         number of deaths resulting from adverse events
    2
    Injury, poisoning and procedural complications
    Fall
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Nervous system disorders
    Cerebellar haematoma
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Gastrointestinal disorders
    Diarrhoea
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Abdominal pain
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Septic shock
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    COVID-19
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pneumonia aspiration
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    Subcutaneous (SC) Mosunetuzumab + Intravenous (IV) Tiragolumab
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    8 / 8 (100.00%)
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Basal cell carcinoma
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    General disorders and administration site conditions
    Pyrexia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Oedema peripheral
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Malaise
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Injection site reaction
         subjects affected / exposed
    3 / 8 (37.50%)
         occurrences all number
    4
    Fatigue
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Chills
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Asthenia
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Immune system disorders
    Cytokine release syndrome
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Respiratory, thoracic and mediastinal disorders
    Cough
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Upper-airway cough syndrome
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Dyspnoea
         subjects affected / exposed
    3 / 8 (37.50%)
         occurrences all number
    4
    Productive cough
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Rhinitis allergic
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Psychiatric disorders
    Insomnia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Investigations
    Gamma-glutamyltransferase increased
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Blood creatinine increased
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Injury, poisoning and procedural complications
    Fractured sacrum
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Nervous system disorders
    Headache
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Paraesthesia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Syncope
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Blood and lymphatic system disorders
    Thrombocytopenia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Anaemia
         subjects affected / exposed
    3 / 8 (37.50%)
         occurrences all number
    4
    Neutropenia
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    4
    Ear and labyrinth disorders
    Ear congestion
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Eye disorders
    Retinal detachment
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Gastrointestinal disorders
    Oral pain
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Nausea
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Malignant dysphagia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Dyspepsia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Constipation
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Abdominal distension
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Skin and subcutaneous tissue disorders
    Rash maculo-papular
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    2
    Pruritus
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Renal and urinary disorders
    Renal failure
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Musculoskeletal and connective tissue disorders
    Osteoporosis
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Myalgia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Bone pain
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Back pain
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Arthralgia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    2
    Infections and infestations
    COVID-19
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Rhinovirus infection
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Pneumonia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Cytomegalovirus infection reactivation
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Metabolism and nutrition disorders
    Hypophosphataemia
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Hypomagnesaemia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Hypokalaemia
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Decreased appetite
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    2
    Cachexia
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    03 Sep 2021
    Exclusion criteria modified to exclude participants with a history of Grade ≥ 3 immune mediated adverse events associated with prior immune checkpoint inhibitor therapy with fewer exceptions
    20 Feb 2023
    Removed ADA endpoints for mosunetuzumab, tiragolumab, atezolizumab, and tocilizumab

    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.
    Early termination led to small numbers of participants for analysis.
    For support, Contact us.
    The status and protocol content of GB trials is no longer updated since 1 January 2021. For the UK, as of 31 January 2021, EU Law applies only to the territory of Northern Ireland (NI) to the extent foreseen in the Protocol on Ireland/NI. Legal notice
    As of 31 January 2023, all EU/EEA initial clinical trial applications must be submitted through CTIS . Updated EudraCT trials information and information on PIP/Art 46 trials conducted exclusively in third countries continues to be submitted through EudraCT and published on this website.

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