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    Clinical Trial Results:
    RE-ExPEL A pilot study of ramucirumab beyond progression plus TAS-102 in patients with advanced or metastatic adenocarcinoma of the stomach or the gastroesophageal junction, after treatment failure on a ramucirumab based therapy

    Summary
    EudraCT number
    2020-001075-32
    Trial protocol
    DE  
    Global end of trial date
    20 Jan 2023

    Results information
    Results version number
    v1(current)
    This version publication date
    20 Sep 2023
    First version publication date
    20 Sep 2023
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    RE-ExPEL
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT04517747
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Institut für Klinische Krebsforschung IKF GmbH am Krankenhaus Nordwest
    Sponsor organisation address
    Steinbacher hohl 2-26, Frankfurt am Main, Germany, 60488
    Public contact
    Dr. Claudia Pauligk, Institut für Klinische Krebsforschung IKF GmbH am Krankenhaus Nordwest, info@ikf-khnw.de
    Scientific contact
    Dr. Claudia Pauligk, Institut für Klinische Krebsforschung IKF GmbH am Krankenhaus Nordwest, info@ikf-khnw.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
    03 Feb 2023
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    20 Jan 2023
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    To determine whether a combination of ramucirumab, beyond progression after a SOC 2nd line ramucirumab based pre-treatment (Ram beyond progression) in patients with locally advanced or metastatic adenocarcinoma, plus TAS-102 shows good tolerability without safety issues regarding the serious adverse event rate of any cause.
    Protection of trial subjects
    This clinical study was designed and shall be implemented and reported in accordance with the protocol, the AMG (Arzneimittelgesetz), the ICH Harmonized Tripartite Guidelines for Good Clinical Practice, with applicable local regulations (including European Directive 2001/20/EC), and with the ethical principles laid down in the Declaration of Helsinki. The trial was authorized/approved by the competent authority (Paul-Ehrlich-Institut, PEI) and the competent ethics committee responsible for the trial (“federführende Ethikkommission”). Before recruitment into the clinical trial, each patient was informed that participation in the study is completely voluntary, and that he or she may withdraw his or her participation in the trial at any time without any declaration of reasons, which will not lead to any disadvantage for the respective patient. The eligibility of a new patient was determined by the local investigator during regular clinical visits. The examinations for the study and the inclusion of the patient were done after detailed written and oral education about aims, methods, anticipated benefits and potential hazards of the study by use of the informed consent forms and after given written consent of the patient. Safety was monitored continuously by careful monitoring of all adverse events (AEs) and serious adverse events (SAEs) reported.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    28 Oct 2020
    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
    Germany: 20
    Worldwide total number of subjects
    20
    EEA total number of subjects
    20
    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)
    20
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    Patients were recruited by the investigator during regular clinical visits in registered trial sites. Recruitment to the study started on October 28th, 2020 and ended on August 11th, 2021. A total of 22 patients was screened and 20 patients from a total of 3 different study sites were enrolled.

    Pre-assignment
    Screening details
    Eligible patients were ≥18 years, had histologically confirmed locally advanced or metastatic gastroesophagal adenocarcinoma and showed disease progression during or within 4-6 weeks after the last dose of a ramucirumab based 2nd line therapy and had ECOG ≤2.

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

    Arms
    Arm title
    Experimental Arm
    Arm description
    patients received ramucirumab plus TAS-102 for a maximum of 4 cycles (approx. 4months), whereat TAS-102 was prescribed and administered within its label and according to clinical routine and thus represents Standard of Care (SOC) treatment
    Arm type
    Experimental

    Investigational medicinal product name
    Ramucirumab
    Investigational medicinal product code
    Other name
    IMC-1121B, Cyramza
    Pharmaceutical forms
    Concentrate for solution for infusion
    Routes of administration
    Infusion , Intravenous use
    Dosage and administration details
    8 mg/kg, i.v. on day 1 and day 15 of a 28-day cycle

    Investigational medicinal product name
    TAS-102
    Investigational medicinal product code
    Other name
    Trifluridine/tipiracil, Lonsurf
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    35 mg/m2 p.o., twice daily on day 1 to 5 and day 8 to 12 of a 28-day cycle

    Number of subjects in period 1
    Experimental Arm
    Started
    20
    Completed
    6
    Not completed
    14
         Consent withdrawn by subject
    2
         Lack of efficacy
    12

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Overall trial (overall period)
    Reporting group description
    -

    Reporting group values
    Overall trial (overall period) Total
    Number of subjects
    20 20
    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))
    56.5 (36 to 70) -
    Gender categorical
    Units: Subjects
        Female
    4 4
        Male
    16 16
    Primary localization
    Units: Subjects
        AEG I
    7 7
        AEG II
    7 7
        AEG III
    2 2
        Stomach
    4 4
    Histology acc. Lauren
    Units: Subjects
        Diffuse
    3 3
        Intestinal
    6 6
        Mixed
    1 1
        Missing
    10 10
    Histopathological Grade
    Units: Subjects
        G1
    1 1
        G2
    9 9
        G3
    10 10
    ECOG performance status
    Units: Subjects
        ECOG 0
    11 11
        ECOG 1
    9 9

    End points

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    End points reporting groups
    Reporting group title
    Experimental Arm
    Reporting group description
    patients received ramucirumab plus TAS-102 for a maximum of 4 cycles (approx. 4months), whereat TAS-102 was prescribed and administered within its label and according to clinical routine and thus represents Standard of Care (SOC) treatment

    Primary: Rate of serious adverse events

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    End point title
    Rate of serious adverse events [1]
    End point description
    End point type
    Primary
    End point timeframe
    from the date the patient has received the first therapy dose and up to 30 days after the end of the last treatment cycle
    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: In this pilot phase only 20 patients were treated with the combination therapy for tolerability and safety assessment of the combination of TAS-102 plus ramucirumab beyond progression with the aim of generating sufficient data to allow for the decision on a possible continuation in a randomized study. The evaluation was purely descriptive, and the primary endpoint therefore was not statistically evaluated.
    End point values
    Experimental Arm
    Number of subjects analysed
    20
    Units: percent
        number (confidence interval 95%)
    25 (8.7 to 49.1)
    No statistical analyses for this end point

    Secondary: Patients having grade 3 or more AEs for febrile neutropenia or neutrophil count decreased

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    End point title
    Patients having grade 3 or more AEs for febrile neutropenia or neutrophil count decreased
    End point description
    End point type
    Secondary
    End point timeframe
    from the date the patient has received the first therapy dose and up to 30 days after the end of the last treatment cycle
    End point values
    Experimental Arm
    Number of subjects analysed
    20
    Units: Subjects
        Yes
    6
        No
    14
    No statistical analyses for this end point

    Secondary: Patients having grade 3 or more AEs for anemia

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    End point title
    Patients having grade 3 or more AEs for anemia
    End point description
    End point type
    Secondary
    End point timeframe
    from the date the patient has received the first therapy dose and up to 30 days after the end of the last treatment cycle
    End point values
    Experimental Arm
    Number of subjects analysed
    20
    Units: Subjects
        Yes
    1
        No
    19
    No statistical analyses for this end point

    Secondary: Patients having grade 3 or more AEs for leukopenia

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    End point title
    Patients having grade 3 or more AEs for leukopenia
    End point description
    End point type
    Secondary
    End point timeframe
    from the date the patient has received the first therapy dose and up to 30 days after the end of the last treatment cycle
    End point values
    Experimental Arm
    Number of subjects analysed
    20
    Units: Subjects
        Yes
    3
        No
    17
    No statistical analyses for this end point

    Secondary: Patients having grade 3 or more AEs for thrombocytopenia

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    End point title
    Patients having grade 3 or more AEs for thrombocytopenia
    End point description
    End point type
    Secondary
    End point timeframe
    from the date the patient has received the first therapy dose and up to 30 days after the end of the last treatment cycle
    End point values
    Experimental Arm
    Number of subjects analysed
    20
    Units: Subjects
        Yes
    1
        No
    19
    No statistical analyses for this end point

    Secondary: Progression-free survival

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    End point title
    Progression-free survival
    End point description
    If no information will be available for the evaluation of progression, patients will be censored at the timepoint of last tumor assessment
    End point type
    Secondary
    End point timeframe
    from enrollment to the first documented evidence of disease progression or death from any cause
    End point values
    Experimental Arm
    Number of subjects analysed
    20
    Units: month
        median (confidence interval 95%)
    2.9 (1.74 to 4.80)
    Attachments
    PFS
    No statistical analyses for this end point

    Secondary: Overall survival

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    End point title
    Overall survival
    End point description
    End point type
    Secondary
    End point timeframe
    from enrollment to the date of death from any cause
    End point values
    Experimental Arm
    Number of subjects analysed
    20
    Units: month
        median (confidence interval 95%)
    9.1 (5.42 to 10.09)
    Attachments
    OS
    No statistical analyses for this end point

    Secondary: Best overall response

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    End point title
    Best overall response
    End point description
    tumor assessment was performed q8w during the study treatment and q12w in the follow-up
    End point type
    Secondary
    End point timeframe
    from start of treatment to the first documented evidence of disease progression
    End point values
    Experimental Arm
    Number of subjects analysed
    20
    Units: Subjects
        Stable disease
    9
        Progressive disease
    8
        Missing/ not evaluable
    3
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    from the date the patient has received the first therapy dose and up to 30 days after the end of the last treatment cycle
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    CTCAE
    Dictionary version
    5.0
    Reporting groups
    Reporting group title
    Safety population
    Reporting group description
    All patients who receive at least one dose of study medication will be included in the safety analyses

    Serious adverse events
    Safety population
    Total subjects affected by serious adverse events
         subjects affected / exposed
    5 / 20 (25.00%)
         number of deaths (all causes)
    13
         number of deaths resulting from adverse events
    1
    General disorders and administration site conditions
    Fever
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Malaise
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal disorders
    Ileus
    Additional description: subileus
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Worsening of Enterothorax
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hepatobiliary disorders
    Cholangitis
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Bronchitis
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Respiratory failure
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Infections and infestations
    Salivary gland infection
         subjects affected / exposed
    1 / 20 (5.00%)
         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
    Safety population
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    19 / 20 (95.00%)
    Vascular disorders
    Hypertension
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Thrombosis
    Additional description: V. subclavia
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Surgical and medical procedures
    Port dislocation
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    General disorders and administration site conditions
    Chills
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Edema limbs
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Fatigue
         subjects affected / exposed
    6 / 20 (30.00%)
         occurrences all number
    6
    Fever
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    2
    Flu like symptoms
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Malaise
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Pain
         subjects affected / exposed
    2 / 20 (10.00%)
         occurrences all number
    2
    General physical health deterioration
         subjects affected / exposed
    2 / 20 (10.00%)
         occurrences all number
    2
    Poor tolerance
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Respiratory, thoracic and mediastinal disorders
    Cough
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Dyspnoea
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    2
    Epistaxis
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Psychiatric disorders
    Insomnia
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Investigations
    C-reactive protein increased
         subjects affected / exposed
    4 / 20 (20.00%)
         occurrences all number
    5
    Neutrophil count decreased
         subjects affected / exposed
    8 / 20 (40.00%)
         occurrences all number
    9
    Platelet count decreased
         subjects affected / exposed
    4 / 20 (20.00%)
         occurrences all number
    6
    Weight loss
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    White blood cell count decreased
         subjects affected / exposed
    6 / 20 (30.00%)
         occurrences all number
    6
    Nervous system disorders
    Worsening tumor pain
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    6 / 20 (30.00%)
         occurrences all number
    7
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    4 / 20 (20.00%)
         occurrences all number
    4
    Ascites
         subjects affected / exposed
    2 / 20 (10.00%)
         occurrences all number
    2
    Constipation
         subjects affected / exposed
    2 / 20 (10.00%)
         occurrences all number
    2
    Diarrhoea
         subjects affected / exposed
    3 / 20 (15.00%)
         occurrences all number
    3
    Dysphagia
         subjects affected / exposed
    2 / 20 (10.00%)
         occurrences all number
    2
    Nausea
         subjects affected / exposed
    4 / 20 (20.00%)
         occurrences all number
    5
    Vomiting
         subjects affected / exposed
    3 / 20 (15.00%)
         occurrences all number
    3
    Hepatobiliary disorders
    Cholestasis
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Skin and subcutaneous tissue disorders
    Redness of port region
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Renal and urinary disorders
    Haematuria
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Urinary tract infection
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Proteinuria
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Infections and infestations
    Bronchial infection
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Infection unknown origin
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Lung infection
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    2
    Mucosal infection
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1
    Metabolism and nutrition disorders
    Anorexia
         subjects affected / exposed
    3 / 20 (15.00%)
         occurrences all number
    3
    Hypokalaemia
         subjects affected / exposed
    1 / 20 (5.00%)
         occurrences all number
    1

    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
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