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    Clinical Trial Results:
    Peptide vaccination with PD-L1 and PD-L2 peptides in untreated chronic lymphatic leukemia.

    Summary
    EudraCT number
    2018-004869-14
    Trial protocol
    DK  
    Global end of trial date
    15 Mar 2022

    Results information
    Results version number
    v1(current)
    This version publication date
    16 Sep 2022
    First version publication date
    16 Sep 2022
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    CLL19H1
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    -
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Herlev Hospital
    Sponsor organisation address
    Borgmester Ib Juuls Vej 1, Herlev, Denmark, 2730
    Public contact
    Primary invetsigator, Dept. of hematology, Herlev Hospital, 0045 38689210, uffe.klausen@regionh.dk
    Scientific contact
    Primary invetsigator, Dept. of hematology, Herlev Hospital, 0045 38689210, uffe.klausen@regionh.dk
    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 Mar 2022
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    15 Mar 2022
    Global end of trial reached?
    Yes
    Global end of trial date
    15 Mar 2022
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The main objective is to evaluate the efficacy of the vaccine, in means of changes in the lymphocyte count and structural changes in lymph node and/or spleen size.
    Protection of trial subjects
    None
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    01 Mar 2019
    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
    Denmark: 19
    Worldwide total number of subjects
    19
    EEA total number of subjects
    19
    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)
    6
    From 65 to 84 years
    13
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    Due to stop in recruitments with the arrival of the COVID-19 pandemic, 19 out of intended 20 patients were included from May 2019 to February 2020.

    Pre-assignment
    Screening details
    All patients meeting the inclusion and exclusion criteria were recruited except one patient who redrew consent.

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

    Arms
    Arm title
    Treatment
    Arm description
    -
    Arm type
    Experimental

    Investigational medicinal product name
    PD-L1 and PD-L2 vaccine
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Suspension for injection
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    100 ug PD-L1 peptide and 100 ug PD-L2 peptide dissolved in 10 % DMSO, 40% water and 50% Montanide ISA 51 with a total volume of 1 ml.

    Number of subjects in period 1
    Treatment
    Started
    19
    Completed
    17
    Not completed
    2
         Adverse event, serious fatal
    1
         Lack of efficacy
    1

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Treatment
    Reporting group description
    -

    Reporting group values
    Treatment Total
    Number of subjects
    19 19
    Age categorical
    Units: Subjects
        In utero
    0
        Preterm newborn infants (gestational age < 37 wks)
    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)
    0
        From 65-84 years
    0
        85 years and over
    0
    Age continuous
    Units: years
        median (full range (min-max))
    70 (53 to 81) -
    Gender categorical
    Units: Subjects
        Female
    7 7
        Male
    12 12
    Subject analysis sets

    Subject analysis set title
    Population
    Subject analysis set type
    Full analysis
    Subject analysis set description
    Studypopulation

    Subject analysis sets values
    Population
    Number of subjects
    19
    Age categorical
    Units: Subjects
        In utero
        Preterm newborn infants (gestational age < 37 wks)
        Newborns (0-27 days)
        Infants and toddlers (28 days-23 months)
        Children (2-11 years)
        Adolescents (12-17 years)
        Adults (18-64 years)
        From 65-84 years
        85 years and over
    Age continuous
    Units: years
        median (full range (min-max))
    70 (53 to 81)
    Gender categorical
    Units: Subjects
        Female
    7
        Male
    12

    End points

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    End points reporting groups
    Reporting group title
    Treatment
    Reporting group description
    -

    Subject analysis set title
    Population
    Subject analysis set type
    Full analysis
    Subject analysis set description
    Studypopulation

    Primary: Clinical response

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    End point title
    Clinical response [1]
    End point description
    End point type
    Primary
    End point timeframe
    At end of treatment (0-24 months from recruitment) no patients achieved responses meeting the criteria defined by the international working group on CLL.
    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: Descriptive
    End point values
    Treatment
    Number of subjects analysed
    18
    Units: Paticipants
        Complete remission
    0
        Partial response
    0
        Stable disease
    17
        Progressive disease
    1
    No statistical analyses for this end point

    Secondary: Immune response measured by elispot

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    End point title
    Immune response measured by elispot
    End point description
    End point type
    Secondary
    End point timeframe
    Measured at baseline and after three, six and nine vaccines.
    End point values
    Treatment Population
    Number of subjects analysed
    17
    17
    Units: Number of patients with response
        PDL1 responses
    13
    13
        PD-L2 responses
    15
    15
    Attachments
    Response table
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    During treatment
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    CTCAE
    Dictionary version
    4
    Reporting groups
    Reporting group title
    Study population
    Reporting group description
    -

    Serious adverse events
    Study population
    Total subjects affected by serious adverse events
         subjects affected / exposed
    7 / 19 (36.84%)
         number of deaths (all causes)
    1
         number of deaths resulting from adverse events
    0
    Nervous system disorders
    Facial nerve disorder
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Blood and lymphatic system disorders
    Autoimmune anaemia
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal disorders
    Ileus
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Pneumonia
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Renal and urinary disorders
    elevated creatinine
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Viral infection
         subjects affected / exposed
    1 / 19 (5.26%)
         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
    Study population
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    19 / 19 (100.00%)
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    lung cancer
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Prostate cancer
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Vascular disorders
    Thromboflebitis
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    General disorders and administration site conditions
    Chills
         subjects affected / exposed
    3 / 19 (15.79%)
         occurrences all number
    7
    Fatigue
         subjects affected / exposed
    2 / 19 (10.53%)
         occurrences all number
    2
    Headache
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    2
    Insomnia
         subjects affected / exposed
    2 / 19 (10.53%)
         occurrences all number
    2
    Injection site reaction
         subjects affected / exposed
    9 / 19 (47.37%)
         occurrences all number
    16
    Nausea
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Night sweats
         subjects affected / exposed
    2 / 19 (10.53%)
         occurrences all number
    3
    Vertigo
         subjects affected / exposed
    2 / 19 (10.53%)
         occurrences all number
    2
    Respiratory, thoracic and mediastinal disorders
    upper airway infection
         subjects affected / exposed
    4 / 19 (21.05%)
         occurrences all number
    4
    Bronchospasm
         subjects affected / exposed
    2 / 19 (10.53%)
         occurrences all number
    5
    Dyspnoea
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Cough
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Pleural effusion
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    2
    Pneumonia
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Sinuitis
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Injury, poisoning and procedural complications
    Injury
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Nervous system disorders
    dizzyness
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Hyperalgesia
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    paresthesia
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Blood and lymphatic system disorders
    adenit
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    2
    Anemia
         subjects affected / exposed
    2 / 19 (10.53%)
         occurrences all number
    2
    facial edema
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    2
    Pseudohyperkalaemia
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    2 / 19 (10.53%)
         occurrences all number
    2
    diarrhea
         subjects affected / exposed
    2 / 19 (10.53%)
         occurrences all number
    2
    Gastroenteritis
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Ileus
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Skin and subcutaneous tissue disorders
    Bullous dermatitis
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    3
    Granuloma
         subjects affected / exposed
    7 / 19 (36.84%)
         occurrences all number
    9
    shingles
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Pruritus
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Rash
         subjects affected / exposed
    2 / 19 (10.53%)
         occurrences all number
    2
    Rosacea
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Skin infection
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Renal and urinary disorders
    Polyuria
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Endocrine disorders
    Hypercalcemia
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    2 / 19 (10.53%)
         occurrences all number
    2
    Back pain
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    2
    Bursitis
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Myalgia
         subjects affected / exposed
    4 / 19 (21.05%)
         occurrences all number
    4
    Myositis
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Palpitations
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    tendovaginitis
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    1
    Infections and infestations
    bladder infection
         subjects affected / exposed
    1 / 19 (5.26%)
         occurrences all number
    4

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? No

    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
    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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