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    Clinical Trial Results:
    Prospective validation of a predictive model of response to romiplostim in patients with IPSS low or intermediate-1 risk myelodysplastic syndrome (MDS) and thrombocytopenia - the EUROPE-trial

    Summary
    EudraCT number
    2013-004328-12
    Trial protocol
    DE   FR   CZ  
    Global end of trial date
    01 Jul 2021

    Results information
    Results version number
    v1(current)
    This version publication date
    23 Jul 2022
    First version publication date
    23 Jul 2022
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    Europe
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT02335268
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    GMIHO Gesellschaft für Medizinische Innovation – Hämatologie und Onkologie mbH
    Sponsor organisation address
    Almstadtstrasse 7, Berlin, Germany, 10119
    Public contact
    European MDS Studies Coordination Office (EMSCO), GMIHO Gesellschaft für Medizinische Innovation - Hämatologie und Onkologie mbH, 0049 35125933100, info@gmiho.de
    Scientific contact
    European MDS Studies Coordination Office (EMSCO), GMIHO Gesellschaft für Medizinische Innovation - Hämatologie und Onkologie mbH, 0049 35125933100, info@gmiho.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
    21 Jun 2022
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    01 Jul 2021
    Global end of trial reached?
    Yes
    Global end of trial date
    01 Jul 2021
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The primary objective is to investigate prospectively whether the current TPO level based response model can predict response to romiplostim in thrombocytopenic patients with IPPS low/int-1 MDS
    Protection of trial subjects
    The conduct of this study was in compliance with the Good Clinical Practice Guidelines and under the guiding principles detailed in the Declaration of Helsinki. The study was also be carried out in keeping with applicable local law(s) and regulation(s). Patients with no hematological response at any time of treatment stopped treatment immediately.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    21 May 2015
    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
    Czechia: 7
    Country: Number of subjects enrolled
    France: 32
    Country: Number of subjects enrolled
    Germany: 38
    Worldwide total number of subjects
    77
    EEA total number of subjects
    77
    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)
    17
    From 65 to 84 years
    56
    85 years and over
    4

    Subject disposition

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    Recruitment
    Recruitment details
    From May 2015 through July 2019, a total of 125 patients were screened at 19 study sites in France, 9 study sites in Germany and 1 study site in the Czech Republic. Of them, 77 were eligible for study participation.

    Pre-assignment
    Screening details
    77 patients were assigned into two different model groups at the time of screening based on previous PTE and centrally assessed TPO serum levels. 51 patients were assigned to Group A (TPO < 500 ng/L and PTE < 6 units/past year) and 26 patients to Group B+C (TPO > 500 ng/L, and/or PTE ≥ 6 units/past year).

    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
    Are arms mutually exclusive
    Yes

    Arm title
    Group A
    Arm description
    Thrombopoietin (TPO) < 500 ng/L and PTE < 6 units/past year
    Arm type
    Experimental

    Investigational medicinal product name
    Romiplostim
    Investigational medicinal product code
    Other name
    Nplate®
    Pharmaceutical forms
    Powder for solution for injection
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    Starting dose 750 µg once a week (7d ± 2d), subcutaneous injection, 4 months maximum duration, for responders treatment period was extended for up to 1 year (8 months extension period). The dose was adjusted based on the subject’s platelet count.

    Arm title
    Group B+C
    Arm description
    Thrombopoietin (TPO) > 500 ng/L, and/or PTE ≥ 6 units/past year
    Arm type
    Experimental

    Investigational medicinal product name
    Romiplostim
    Investigational medicinal product code
    Other name
    Nplate®
    Pharmaceutical forms
    Powder for solution for injection
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    Starting dose 750 µg once a week (7d ± 2d), subcutaneous injection, 4 months maximum duration for non-responders. The dose was adjusted based on the subject’s platelet count.

    Number of subjects in period 1
    Group A Group B+C
    Started
    51
    26
    Completed
    34
    20
    Not completed
    17
    6
         Adverse event, serious fatal
    -
    1
         Physician decision
    5
    1
         Consent withdrawn by subject
    3
    2
         Adverse event, non-fatal
    5
    1
         increase in blasts
    2
    -
         Lack of efficacy
    2
    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
    77 77
    Age categorical
    The 77 patients who received treatment were of an average age of 74 years (range: 42 to 93 years) and the majority of them was male (49 of 77 subjects; 63.6%).
    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)
    17 17
        From 65-84 years
    56 56
        85 years and over
    4 4
    Gender categorical
    Units: Subjects
        Female
    28 28
        Male
    49 49

    End points

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    End points reporting groups
    Reporting group title
    Group A
    Reporting group description
    Thrombopoietin (TPO) < 500 ng/L and PTE < 6 units/past year

    Reporting group title
    Group B+C
    Reporting group description
    Thrombopoietin (TPO) > 500 ng/L, and/or PTE ≥ 6 units/past year

    Primary: Hematologic improvement of platelets (HI-P)

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    End point title
    Hematologic improvement of platelets (HI-P)
    End point description
    The primary efficacy endpoint was the rate of HI-P defined as an absolute increase of platelet count to ≥ 30/nL for patients starting at > 20/nL or an increase of platelets from < 20/nL to > 20/nL and by at least 100%, according to IWG 2006 criteria lasting for ≥ 8 weeks after at least 16 Weeks of romiplostim treatment.
    End point type
    Primary
    End point timeframe
    after 4 months on therapy (week 16)
    End point values
    Group A Group B+C
    Number of subjects analysed
    34
    22
    Units: Platelets (/nL)
        median (full range (min-max))
    71.75 (-15.5 to 342.5)
    18.75 (-25.0 to 161.0)
    Statistical analysis title
    Efficacy analysis
    Statistical analysis description
    The primary dataset for analysis was the FAS which includes all patients who fulfilled the inclusion criteria and gave their written informed consent.
    Comparison groups
    Group A v Group B+C
    Number of subjects included in analysis
    56
    Analysis specification
    Pre-specified
    Analysis type
    non-inferiority
    P-value
    < 0.001
    Method
    Fisher exact
    Confidence interval

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    16 weeks
    Adverse event reporting additional description
    Patients were asked at each visit whether they have experienced AEs or SAEs.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    18.0
    Reporting groups
    Reporting group title
    Romiplostim 500 µg
    Reporting group description
    -

    Serious adverse events
    Romiplostim 500 µg
    Total subjects affected by serious adverse events
         subjects affected / exposed
    20 / 77 (25.97%)
         number of deaths (all causes)
    13
         number of deaths resulting from adverse events
    1
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    AML
         subjects affected / exposed
    2 / 77 (2.60%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Oropharyngeal cancer
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Vascular disorders
    Hemorrhage
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Surgical and medical procedures
    Central venous catheterization
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    General disorders and administration site conditions
    Asthenia
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Mucosal haemorrhage
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Pyrexia
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Reproductive system and breast disorders
    Testicular torsion
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Pulmonary embolism
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Dyspnea
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Lung infiltration
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Investigations
    Drug-specific antibody
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Monocyte count increased
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    C-reactive protein increased
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Physical examination
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Cardiac disorders
    Angina unstable
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Atrial fibrillation
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Nervous system disorders
    Cerebrovascular accident
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Syncope
         subjects affected / exposed
    3 / 77 (3.90%)
         occurrences causally related to treatment / all
    0 / 3
         deaths causally related to treatment / all
    0 / 0
    Blood and lymphatic system disorders
    Febrile neutropenia
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Thrombocytopenia
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Gastrointestinal disorders
    Colitis
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal angiectasia
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hematochezia
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Inguinal hernia
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Intestinal mass
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pancreatitis acute
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hepatobiliary disorders
    Cholecystitis
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Cholelithiasis migration
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hepatic mass
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Skin and subcutaneous tissue disorders
    Purpura
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Renal and urinary disorders
    Hematuria
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Renal failure
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Musculoskeletal and connective tissue disorders
    Back pain
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Bone pain
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Viral rash
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Anal abscess
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infection
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pneumonia
         subjects affected / exposed
    1 / 77 (1.30%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Tracheobronchitis
         subjects affected / exposed
    1 / 77 (1.30%)
         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
    Romiplostim 500 µg
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    15 / 77 (19.48%)
    Investigations
    Blast cells present
         subjects affected / exposed
    5 / 77 (6.49%)
         occurrences all number
    6
    Vascular disorders
    Haematoma
         subjects affected / exposed
    4 / 77 (5.19%)
         occurrences all number
    58
    Hypertension
         subjects affected / exposed
    2 / 77 (2.60%)
         occurrences all number
    9
    Nervous system disorders
    Headache
         subjects affected / exposed
    2 / 77 (2.60%)
         occurrences all number
    9
    Blood and lymphatic system disorders
    Leukocytosis
         subjects affected / exposed
    7 / 77 (9.09%)
         occurrences all number
    10
    Anaemia
         subjects affected / exposed
    3 / 77 (3.90%)
         occurrences all number
    16
    General disorders and administration site conditions
    Chest pain
         subjects affected / exposed
    2 / 77 (2.60%)
         occurrences all number
    8
    Injection site haematoma
         subjects affected / exposed
    2 / 77 (2.60%)
         occurrences all number
    9
    Gastrointestinal disorders
    Diarrhoea
         subjects affected / exposed
    2 / 77 (2.60%)
         occurrences all number
    15
    Respiratory, thoracic and mediastinal disorders
    Dyspnoea
         subjects affected / exposed
    2 / 77 (2.60%)
         occurrences all number
    7
    Epistaxis
         subjects affected / exposed
    2 / 77 (2.60%)
         occurrences all number
    29
    Skin and subcutaneous tissue disorders
    Petechiae
         subjects affected / exposed
    2 / 77 (2.60%)
         occurrences all number
    37
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    3 / 77 (3.90%)
         occurrences all number
    11
    Pain in extremity
         subjects affected / exposed
    2 / 77 (2.60%)
         occurrences all number
    8

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    10 Aug 2015
    Version 4.0 dated 20 May 2015: included minor specifications of the AML progression, HI-N response definition and extension of the screening period
    30 Aug 2017
    Version 5.0 dated 10 Jun 2017: included specification of visit assessments, statistical distributions of patients in the strata and instructions for reconstitution of the study drug
    14 Nov 2019
    Version 6.0 dated 30 Aug 2019: re-calculation of sample size due to poor recruitment in two of the three study arms, update of addresses and contact information

    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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