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    Clinical Trial Results:
    Prospective phase II study of the effectiveness and safety of autologous dendritic cells vaccination in high-risk locally advanced colon adenocarcinoma

    Summary
    EudraCT number
    2010-024118-73
    Trial protocol
    ES  
    Global end of trial date
    21 May 2019

    Results information
    Results version number
    v1(current)
    This version publication date
    14 Feb 2023
    First version publication date
    14 Feb 2023
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    CDCC/2010
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    -
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Clínica Universidad de Navarra/Universidad de Navarra
    Sponsor organisation address
    Avda. Pío XII, 36, Pamplona, Spain, 31008
    Public contact
    UCEC, Clínica Universidad de Navarra, 34 948255 400, ucicec@unav.es
    Scientific contact
    UCEC, Clínica Universidad de Navarra, 34 948255 400, ucicec@unav.es
    Paediatric regulatory details
    Is trial part of an agreed paediatric investigation plan (PIP)
    No
    Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Results analysis stage
    Analysis stage
    Final
    Date of interim/final analysis
    03 May 2021
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    21 May 2019
    Global end of trial reached?
    Yes
    Global end of trial date
    21 May 2019
    Was the trial ended prematurely?
    Yes
    General information about the trial
    Main objective of the trial
    Relapse-free survival, calculated from the time of primary tumor surgery to the first radiological evidence of disease relapse.
    Protection of trial subjects
    NA
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    05 Oct 2011
    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
    Spain: 49
    Worldwide total number of subjects
    49
    EEA total number of subjects
    49
    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)
    32
    From 65 to 84 years
    17
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    -

    Pre-assignment
    Screening details
    Locally advanced colon cancer patients with adverse histopathogic and/or molecular features after complete surgical resection and adjuvant fluoropirimidines/oxaliplatin-based chemotherapy were recruited

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

    Arms
    Arm title
    Experimental group
    Arm description
    Mature dendritic cells obtained from mononuclear precursors (peripheral blood monocytes) loaded with autologous tumor tissue lysate, which will be administered by intradermal injections.
    Arm type
    Experimental

    Investigational medicinal product name
    Mature dendritic cells obtained from mononuclear precursors (peripheral blood monocytes) loaded with autologous tumor tissue lysate
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Suspension for injection
    Routes of administration
    Intradermal use
    Dosage and administration details
    The expected dose is 10 million dendritic cells, resuspended in 1-2 ml of physiological serum. If there are not enough cells to complete the treatment, those that are available will be administered, reducing the dose or the number of injections.

    Number of subjects in period 1
    Experimental group
    Started
    49
    Completed
    7
    Not completed
    42
         Screening failures
    42

    Baseline characteristics

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

    Reporting group values
    Treatment period Total
    Number of subjects
    49 49
    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)
    32 32
        From 65-84 years
    17 17
        85 years and over
    0 0
    Gender categorical
    Units: Subjects
        Female
    23 23
        Male
    26 26

    End points

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    End points reporting groups
    Reporting group title
    Experimental group
    Reporting group description
    Mature dendritic cells obtained from mononuclear precursors (peripheral blood monocytes) loaded with autologous tumor tissue lysate, which will be administered by intradermal injections.

    Primary: Relapse-free survival

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    End point title
    Relapse-free survival [1]
    End point description
    End point type
    Primary
    End point timeframe
    Follow-up (months): Mean (SD) = 54.60 (25.98); Median (p25, p75) = 61.54 (25.49, 78.23)
    Notes
    [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: This is a descriptive statistical analysis of the percentage of relapse-free survival patients and follow-up.
    End point values
    Experimental group
    Number of subjects analysed
    7
    Units: 85.71%
    7
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From the administration of the treatment to the end of the follow-up
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    NA
    Dictionary version
    0
    Reporting groups
    Reporting group title
    Treatment
    Reporting group description
    -

    Serious adverse events
    Treatment
    Total subjects affected by serious adverse events
         subjects affected / exposed
    2 / 7 (28.57%)
         number of deaths (all causes)
    0
         number of deaths resulting from adverse events
    0
    Surgical and medical procedures
    Salpingo-oophorectomy bilateral
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Pneumonia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 1%
    Non-serious adverse events
    Treatment
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    7 / 7 (100.00%)
    Vascular disorders
    Pulmonary embolism
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Hypertension
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    2
    Varices
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Surgical and medical procedures
    Cytoreductive surgery
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    General disorders and administration site conditions
    Asthenia
         subjects affected / exposed
    7 / 7 (100.00%)
         occurrences all number
    9
    Mucosal inflammation
         subjects affected / exposed
    3 / 7 (42.86%)
         occurrences all number
    3
    Fatigue
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Respiratory, thoracic and mediastinal disorders
    Catarrh
         subjects affected / exposed
    3 / 7 (42.86%)
         occurrences all number
    3
    Dyspnoea
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Upper respiratory tract infection
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Cough
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    2
    Psychiatric disorders
    Anxiety
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Injury, poisoning and procedural complications
    Burns second degree
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Cardiac disorders
    Palpitations
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Cardiac valve disease
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Nervous system disorders
    Dysaesthesia
         subjects affected / exposed
    6 / 7 (85.71%)
         occurrences all number
    7
    Dysgeusia
         subjects affected / exposed
    4 / 7 (57.14%)
         occurrences all number
    4
    Neurotoxicity
         subjects affected / exposed
    3 / 7 (42.86%)
         occurrences all number
    3
    Paraesthesia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Headache
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Memory impairment
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Blood and lymphatic system disorders
    Neutropenia
         subjects affected / exposed
    3 / 7 (42.86%)
         occurrences all number
    6
    Leukopenia
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    2
    Anaemia
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    2
    Thrombocytopenia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Ear and labyrinth disorders
    Vertigo
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Eye disorders
    Eye pruritus
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Gastrointestinal disorders
    Diarrhoea
         subjects affected / exposed
    5 / 7 (71.43%)
         occurrences all number
    7
    Nausea
         subjects affected / exposed
    4 / 7 (57.14%)
         occurrences all number
    4
    Vomiting
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    2
    Abdominal pain
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Gastrooesophageal reflux disease
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Intestinal obstruction
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Umbilical hernia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Constipation
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Hepatobiliary disorders
    Non-cirrhotic portal hypertension
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Skin and subcutaneous tissue disorders
    palmar
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    2
    Urticaria
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Hyperhidrosis
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Erythema
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Renal and urinary disorders
    Dysuria
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Pollakiuria
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Nocturia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Musculoskeletal and connective tissue disorders
    Back pain
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    3
    Osteopenia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Meniscopathy
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Infections and infestations
    Bacteriuria
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Gastroenteritis
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Pneumonia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Urinary tract infection
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    2
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    4 / 7 (57.14%)
         occurrences all number
    4
    Hyperglycaemia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Fluid retention
         subjects affected / exposed
    1 / 7 (14.29%)
         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
    20 Feb 2012
    Non substantial modification (Protocol v3)
    20 Jun 2012
    Change of sponsor. Changes in screening visit (tests in reference sites in a longer period of time). (Protocol v4)
    21 Jun 2013
    Change s in the IMPD (IMPD v4)
    24 Mar 2014
    Changes in study visits (Protocol v5)
    29 Apr 2016
    Changes in the IB and sample size (Protocol v6)

    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.
    It was determined that the reported protocol deviations had no impact on the interpretability of the study results. A serious deviation was notified to the corresponding authorities (pregnancy test not performed at the screening visit of 3 patients).
    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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