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    Clinical Trial Results:
    Phase 1b/2, Multicenter, Open-label Study of Oprozomib, Melphalan, and Prednisone in Transplant Ineligible Patients with Newly Diagnosed Multiple Myeloma

    Summary
    EudraCT number
    2013-002125-27
    Trial protocol
    NL   IT   GR  
    Global end of trial date
    13 Aug 2015

    Results information
    Results version number
    v1(current)
    This version publication date
    16 Sep 2016
    First version publication date
    16 Sep 2016
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    OPZ006
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT02072863
    WHO universal trial number (UTN)
    -
    Other trial identifiers
    Amgen Study ID: 20130409
    Sponsors
    Sponsor organisation name
    Amgen, Inc.
    Sponsor organisation address
    One Amgen Center Drive, Thousand Oaks, CA, United States, 91320
    Public contact
    IHQ Medical Info-Clinical Trials, Amgen (EUROPE) GmbH, MedInfoInternational@amgen.com
    Scientific contact
    IHQ Medical Info-Clinical Trials, Amgen (EUROPE) GmbH, MedInfoInternational@amgen.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
    13 Aug 2015
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    13 Aug 2015
    Was the trial ended prematurely?
    Yes
    General information about the trial
    Main objective of the trial
    Phase 1b: - To establish the maximum tolerated dose (MTD) of oprozomib when administered orally in combination with melphalan and prednisone (OMP). Phase 2: - To estimate the overall response rate (ORR) and complete response (CR) rate of the OMP combination.
    Protection of trial subjects
    This study was conducted in accordance with the International Conference on Harmonisation (ICH), Good Clinical Practice (GCP) guidelines, and the applicable country and regional regulatory requirements. All subjects provided written informed consent before undergoing any study-related procedures, including screening procedures. The study protocol, amendments, and the informed consent form (ICF) were reviewed by the Institutional Review Boards (IRBs) and Independent Ethics Committees (IECs). No subjects were recruited into the study and no investigational product (IP) was shipped until the IRB/IEC gave written approval of the protocol and ICF and Amgen received copies of these approvals.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    17 Mar 2014
    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
    Netherlands: 2
    Country: Number of subjects enrolled
    Italy: 5
    Worldwide total number of subjects
    7
    EEA total number of subjects
    7
    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)
    0
    From 65 to 84 years
    7
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    -

    Pre-assignment
    Screening details
    In the Phase 1b portion (3 + 3 dose escalation), subjects were to be enrolled into oprozomib dose cohorts in escalating order. Study OPZ006 was terminated because the sponsor decided not to pursue the treatment combination of OMP. Only subjects enrolled in the first cohort (101, oprozomib dose 180 mg) were treated before the study was terminated.

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

    Arms
    Arm title
    Oprozomib + Melphalan + Prednisone
    Arm description
    Participants received 180 mg oprozomib administered orally, once daily on Days 1–5, Days 15–19, and Days 29–33 in combination with melphalan 9 mg/m² on Days 1–4, and prednisone 60 mg/m² on Days 1–4 of a 42-day (or 6-week) cycle until disease progression, unacceptable toxicity, discontinuation of study treatment for reasons other than progression or toxicity, or 9 cycles (54 weeks), whichever occurred first.
    Arm type
    Experimental

    Investigational medicinal product name
    Oprozomib
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Oprozomib tablets were administered as a single daily dose, 60–120 minutes after the administration of prednisone and melphalan.

    Number of subjects in period 1
    Oprozomib + Melphalan + Prednisone
    Started
    7
    Completed
    2
    Not completed
    5
         Physician decision
    1
         Other
    1
         Adverse event
    3

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Oprozomib + Melphalan + Prednisone
    Reporting group description
    Participants received 180 mg oprozomib administered orally, once daily on Days 1–5, Days 15–19, and Days 29–33 in combination with melphalan 9 mg/m² on Days 1–4, and prednisone 60 mg/m² on Days 1–4 of a 42-day (or 6-week) cycle until disease progression, unacceptable toxicity, discontinuation of study treatment for reasons other than progression or toxicity, or 9 cycles (54 weeks), whichever occurred first.

    Reporting group values
    Oprozomib + Melphalan + Prednisone Total
    Number of subjects
    7 7
    Age categorical
    Units: Subjects
        < 65 years
    0 0
        ≥ 65 years
    7 7
    Age continuous
    Units: years
        arithmetic mean (standard deviation)
    72 ( 6 ) -
    Gender categorical
    Units: Subjects
        Female
    4 4
        Male
    3 3

    End points

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    End points reporting groups
    Reporting group title
    Oprozomib + Melphalan + Prednisone
    Reporting group description
    Participants received 180 mg oprozomib administered orally, once daily on Days 1–5, Days 15–19, and Days 29–33 in combination with melphalan 9 mg/m² on Days 1–4, and prednisone 60 mg/m² on Days 1–4 of a 42-day (or 6-week) cycle until disease progression, unacceptable toxicity, discontinuation of study treatment for reasons other than progression or toxicity, or 9 cycles (54 weeks), whichever occurred first.

    Primary: Number of Participants with Adverse Events

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    End point title
    Number of Participants with Adverse Events [1]
    End point description
    Adverse events (AEs) were graded using National Cancer Institute-Common Terminology Criteria for Adverse Events (NCI-CTCAE), version 4.0. Treatment-related adverse events (TRAEs) are adverse events considered related to oprozomib by the investigator, including those with unknown relationship.
    End point type
    Primary
    End point timeframe
    From the first dose of study drug until 30 days after the date of last dose of any study drug; median duration of treatment was 17.7 weeks.
    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 non-randomized study; therefore, no analyses of treatment group comparability was conducted.
    End point values
    Oprozomib + Melphalan + Prednisone
    Number of subjects analysed
    7
    Units: participants
        Any adverse event
    7
        Adverse event ≥ grade 3
    5
        Serious adverse events
    2
        AEs leading to discontinuation of oprozomib
    3
        Fatal adverse events
    0
        Treatment-related adverse events
    7
        Treatment-related AE ≥ grade 3
    4
        Treatment-related serious AE
    0
        TRAE leading to discontinuation of oprozomib
    1
        Treatment-related fatal adverse events
    0
    No statistical analyses for this end point

    Primary: Percentage of Participants with an Overall Response

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    End point title
    Percentage of Participants with an Overall Response [2]
    End point description
    Overall response rate was defined as the proportion of subjects for whom the best overall confirmed response was stringent complete response (sCR), complete response (CR), very good partial response (VGPR), or partial response (PR), as defined by International Myeloma Working Group Uniform Response Criteria (IMWG-URC). Disease response was assessed by the investigator.
    End point type
    Primary
    End point timeframe
    From first dose until end of study
    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: This is a non-randomized study; therefore, no analyses of treatment group comparability was conducted.
    End point values
    Oprozomib + Melphalan + Prednisone
    Number of subjects analysed
    7
    Units: percentage of participants
        number (confidence interval 95%)
    42.9 (9.9 to 81.6)
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From the first dose of study drug until 30 days after the date of last dose of any study drug; median duration of treatment was 17.7 weeks.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    18.1
    Reporting groups
    Reporting group title
    Oprozomib + Melphalan + Prednisone
    Reporting group description
    Participants received 180 mg oprozomib administered orally, once daily on Days 1–5, Days 15–19, and Days 29–33 in combination with melphalan 9 mg/m² on Days 1–4, and prednisone 60 mg/m² on Days 1–4 of a 42-day (or 6-week) cycle until disease progression, unacceptable toxicity, discontinuation of study treatment for reasons other than progression or toxicity, or 9 cycles (54 weeks), whichever occurred first.

    Serious adverse events
    Oprozomib + Melphalan + Prednisone
    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
    Nervous system disorders
    Cerebrovascular accident
         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
    Pneumonia parainfluenzae viral
         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: 5%
    Non-serious adverse events
    Oprozomib + Melphalan + Prednisone
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    7 / 7 (100.00%)
    Investigations
    Alanine aminotransferase increased
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    5
    Aspartate aminotransferase increased
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    3
    Chest X-ray abnormal
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Gamma-glutamyltransferase increased
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    2
    Weight increased
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Vascular disorders
    Deep vein thrombosis
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    2
    Hypertension
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    3
    Nervous system disorders
    Balance disorder
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Dizziness
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Dysgeusia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Headache
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Hypoaesthesia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Neuropathy peripheral
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Blood and lymphatic system disorders
    Leukopenia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    9
    Neutropenia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    3
    Thrombocytopenia
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    5
    General disorders and administration site conditions
    Asthenia
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    2
    Fatigue
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    2
    Oedema
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    3
    Oedema peripheral
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Pyrexia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Gastrointestinal disorders
    Abdominal distension
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Abdominal pain
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    3
    Abdominal pain upper
         subjects affected / exposed
    3 / 7 (42.86%)
         occurrences all number
    5
    Constipation
         subjects affected / exposed
    3 / 7 (42.86%)
         occurrences all number
    5
    Diarrhoea
         subjects affected / exposed
    6 / 7 (85.71%)
         occurrences all number
    12
    Gastritis
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Nausea
         subjects affected / exposed
    5 / 7 (71.43%)
         occurrences all number
    36
    Pancreatitis
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Periodontal disease
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Vomiting
         subjects affected / exposed
    4 / 7 (57.14%)
         occurrences all number
    18
    Reproductive system and breast disorders
    Benign prostatic hyperplasia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Respiratory, thoracic and mediastinal disorders
    Dyspnoea exertional
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    3
    Epistaxis
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Rhinorrhoea
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Psychiatric disorders
    Anxiety
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Musculoskeletal and connective tissue disorders
    Bone pain
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    4
    Muscle spasms
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    2
    Pain in extremity
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Infections and infestations
    Bronchitis
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Cytomegalovirus infection
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Parainfluenzae virus infection
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Urinary tract infection
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Fluid retention
         subjects affected / exposed
    2 / 7 (28.57%)
         occurrences all number
    2
    Hyperglycaemia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    2
    Hypoglycaemia
         subjects affected / exposed
    1 / 7 (14.29%)
         occurrences all number
    1
    Tumour lysis syndrome
         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? 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.
    The planned analyses of progression-free survival and duration of response were not conducted because the study was terminated early.
    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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