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    Clinical Trial Results:
    An Open-label, Randomized, Multi-center, Parallel Group, Two-arm Study to Assess the Safety, Overall Tolerability, and Antiviral Activity of Brincidofovir versus Standard of Care for Treatment of Adenovirus Infections in High-risk Pediatric Allogeneic Hematopoietic Cell Transplant Recipients

    Summary
    EudraCT number
    2017-001735-39
    Trial protocol
    IE   DE   ES   IT   FR   NL   GB   PL  
    Global end of trial date
    30 May 2019

    Results information
    Results version number
    v1(current)
    This version publication date
    03 Jan 2020
    First version publication date
    03 Jan 2020
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    CMX001-999
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    -
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Chimerix, Inc.
    Sponsor organisation address
    2505 Meridian Pkwy, Suite 100, Durham, United States, 27713
    Public contact
    Chief Medical Officer, Chimerix, Inc., +1 919 287 6006, AdAPT@chimerix.com
    Scientific contact
    Chief Medical Officer, Chimerix, Inc., +1 919 287 6006, AdAPT@chimerix.com
    Paediatric regulatory details
    Is trial part of an agreed paediatric investigation plan (PIP)
    Yes
    EMA paediatric investigation plan number(s)
    EMEA-001904-PIP02-17
    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?
    Yes
    Results analysis stage
    Analysis stage
    Final
    Date of interim/final analysis
    30 Oct 2019
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    30 May 2019
    Global end of trial reached?
    Yes
    Global end of trial date
    30 May 2019
    Was the trial ended prematurely?
    Yes
    General information about the trial
    Main objective of the trial
    The primary objective of the study is to compare the safety, overall tolerability, and virologic response of BCV vs. SoC for the treatment of AdV infection in high-risk pediatric allogeneic HCT recipients.
    Protection of trial subjects
    The protocol and consent/assent forms were submitted by each investigator to a duly constituted Independent Ethics Committee (IEC) or Institutional Review Board (IRB) for review and approval before study initiation. All revisions to the consent/assent forms (if applicable) after initial IEC/IRB approval were submitted by the investigator to the IEC/IRB for review and approval before implementation in accordance with regulatory requirements. This study was conducted in accordance with recognized international scientific and ethical standards, including but not limited to the International Conference on Harmonization guideline for Good Clinical Practice (ICH GCP) and the original principles embodied in the Declaration of Helsinki.
    Background therapy
    -
    Evidence for comparator
    Management of subjects randomized to the SoC treatment arm was prescribed by the investigator as being in the best interests of the subject and may have included taking a “watch-and-wait” approach, with or without decreased immunosuppression (ergo, no treatment), or treatment with other available antivirals, most commonly IV CDV. Decisions regarding SoC, including administration of therapy, dose and regimen of therapy, modification of immunosuppression, and monitoring was the responsibility of the clinical team caring for the subject, according to institutional guidelines, local practices, and applicable guidelines for the management of AdV infection. Relevant product labeling was to be followed, per the investigator’s discretion.
    Actual start date of recruitment
    22 Dec 2017
    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
    United Kingdom: 17
    Country: Number of subjects enrolled
    France: 3
    Country: Number of subjects enrolled
    Germany: 2
    Country: Number of subjects enrolled
    Italy: 1
    Country: Number of subjects enrolled
    United States: 6
    Worldwide total number of subjects
    29
    EEA total number of subjects
    23
    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)
    6
    Children (2-11 years)
    20
    Adolescents (12-17 years)
    3
    Adults (18-64 years)
    0
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    The first participant was screened on 22 December 2017. The last study visit occurred on 30 May 2019.

    Pre-assignment
    Screening details
    68 subjects were screened.

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

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Brincidofovir
    Arm description
    Subjects randomized to receive BCV were to be treated until AdV deoxyribonucleic acid (DNA) was confirmed to be undetectable in plasma, or until Week 16 post-randomization, whichever occurred first. Subjects with persistent AdV infection after 16 cumulative weeks of BCV therapy could receive treatment until a maximum cumulative treatment duration of 24 weeks.
    Arm type
    Experimental

    Investigational medicinal product name
    brincidofovir
    Investigational medicinal product code
    CMX001
    Other name
    BCV
    Pharmaceutical forms
    Suspension for oral suspension
    Routes of administration
    Oral use
    Dosage and administration details
    Subjects randomized to the BCV treatment arm received oral BCV suspension (10 mg/mL) as follows: For subjects NOT receiving concurrent cyclosporine on Day 1: -If ≥ 48 kg body weight 10 mL of the 10 mg/mL oral suspension -If < 48 kg body weight, 2 mg/kg BIW administered orally as the appropriate volume of 10 mg/mL oral suspension For subjects receiving concurrent cyclosporine on Day 1 (or who initiate cyclosporine at any time while taking BCV): -1.4 mg/kg (up to a maximum of 70 mg) BIW administered orally as the appropriate volume of 10 mg/mL oral suspension

    Arm title
    Standard of Care
    Arm description
    Subjects randomized to the SoC arm were to be managed according to local or institutional practice guidelines for the treatment of AdV infection, which may have included other drugs or using a watch and wait approach.
    Arm type
    Standard of Care

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Number of subjects in period 1
    Brincidofovir Standard of Care
    Started
    20
    9
    Completed
    11
    5
    Not completed
    9
    4
         Consent withdrawn by subject
    2
    -
         Death
    2
    1
         Not given
    5
    3

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Brincidofovir
    Reporting group description
    Subjects randomized to receive BCV were to be treated until AdV deoxyribonucleic acid (DNA) was confirmed to be undetectable in plasma, or until Week 16 post-randomization, whichever occurred first. Subjects with persistent AdV infection after 16 cumulative weeks of BCV therapy could receive treatment until a maximum cumulative treatment duration of 24 weeks.

    Reporting group title
    Standard of Care
    Reporting group description
    Subjects randomized to the SoC arm were to be managed according to local or institutional practice guidelines for the treatment of AdV infection, which may have included other drugs or using a watch and wait approach.

    Reporting group values
    Brincidofovir Standard of Care Total
    Number of subjects
    20 9 29
    Age categorical
    Units: Subjects
        Infants and toddlers (28 days-23 months)
    4 2 6
        Children (2-11 years)
    14 6 20
        Adolescents (12-17 years)
    2 1 3
    Gender categorical
    Units: Subjects
        Female
    8 5 13
        Male
    12 4 16

    End points

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    End points reporting groups
    Reporting group title
    Brincidofovir
    Reporting group description
    Subjects randomized to receive BCV were to be treated until AdV deoxyribonucleic acid (DNA) was confirmed to be undetectable in plasma, or until Week 16 post-randomization, whichever occurred first. Subjects with persistent AdV infection after 16 cumulative weeks of BCV therapy could receive treatment until a maximum cumulative treatment duration of 24 weeks.

    Reporting group title
    Standard of Care
    Reporting group description
    Subjects randomized to the SoC arm were to be managed according to local or institutional practice guidelines for the treatment of AdV infection, which may have included other drugs or using a watch and wait approach.

    Primary: Time-averaged area under the concentration-time curve (AAUC) for AdV viremia

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    End point title
    Time-averaged area under the concentration-time curve (AAUC) for AdV viremia [1]
    End point description
    The primary AAUC analysis was to utilize all randomized subjects (ITT) in an analysis of covariance (ANCOVA) from randomization through Week 16 post-randomization with all stratification factors included in the model: T cell-depletion method (alemtuzumab or ex vivo cell selection vs. ATG), time from HCT to randomization (< 28 days vs. ≥ 28 days), and baseline AdV viremia (continuous log10 copies/mL).
    End point type
    Primary
    End point timeframe
    16 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: The study was terminated early due to poor subject accrual rates. The small number of subjects enrolled (29) was not adequate to conduct the planned analyses.
    End point values
    Brincidofovir Standard of Care
    Number of subjects analysed
    0 [2]
    0 [3]
    Units: log10 copies/mL
    Notes
    [2] - The study was terminated early due to poor subject accrual rates and analyses not performed.
    [3] - The study was terminated early due to poor subject accrual rates and analyses not performed.
    No statistical analyses for this end point

    Secondary: Incidence of all-cause mortality through Week 16

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    End point title
    Incidence of all-cause mortality through Week 16
    End point description
    Incidence of all-cause mortality through Week 16
    End point type
    Secondary
    End point timeframe
    16 weeks
    End point values
    Brincidofovir Standard of Care
    Number of subjects analysed
    0 [4]
    0 [5]
    Units: Percentage
    Notes
    [4] - Study terminate early
    [5] - Study terminated early
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    All AEs through Week 16 were to be recorded; after Week 16, if the subject reinitiated BCV therapy all AEs were to be recorded as long as the subject remained on BCV and until 4 weeks after the last dose of BCV or completion of the Week 36 assessment
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    21
    Reporting groups
    Reporting group title
    Brincidofovir
    Reporting group description
    Subjects randomized to receive BCV were to be treated until AdV deoxyribonucleic acid (DNA) was confirmed to be undetectable in plasma, or until Week 16 post-randomization, whichever occurred first. Subjects with persistent AdV infection after 16 cumulative weeks of BCV therapy could receive treatment until a maximum cumulative treatment duration of 24 weeks.

    Reporting group title
    Standard of Care
    Reporting group description
    Subjects randomized to the SoC arm were to be managed according to local or institutional practice guidelines for the treatment of AdV infection, which may have included other drugs or using a watch and wait approach.

    Serious adverse events
    Brincidofovir Standard of Care
    Total subjects affected by serious adverse events
         subjects affected / exposed
    15 / 20 (75.00%)
    6 / 9 (66.67%)
         number of deaths (all causes)
    4
    1
         number of deaths resulting from adverse events
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Acute myeloid leukaemia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    General disorders and administration site conditions
    Pyrexia
         subjects affected / exposed
    1 / 20 (5.00%)
    3 / 9 (33.33%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 3
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Unevaluable event
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Acute respiratory distress syndrome
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Hypoxia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Respiratory failure
         subjects affected / exposed
    1 / 20 (5.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Product issues
    Device dislocation
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Investigations
    Astrovirus test positive
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Blood creatine abnormal
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Body temperature increased
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cardiac disorders
    Cardiac tamponade
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pericardial effusion
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Nervous system disorders
    Encephalopathy
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Blood and lymphatic system disorders
    Evans syndrome
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Haemolytic anaemia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Haemolytic uraemic syndrome
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastrointestinal disorders
    Abdominal distension
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Abdominal pain
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Diarrhoea
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastric haemorrhage
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastrointestinal haemorrhage
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Vomiting
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Hepatobiliary disorders
    Venoocclusive liver disease
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Renal and urinary disorders
    Acute kidney injury
         subjects affected / exposed
    1 / 20 (5.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Musculoskeletal and connective tissue disorders
    Flank pain
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Infections and infestations
    Adenovirus infection
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Bacteraemia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Device related infection
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Device related sepsis
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Enterococcal bacteraemia
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastroenteritis viral
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Human herpesvirus 6 infection
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Influenza
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Lower respiratory tract infection fungal
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Parainfluenzae virus infection
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pneumonia cytomegaloviral
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Rhinovirus infection
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Sepsis
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Viral upper respiratory tract infection
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Metabolism and nutrition disorders
    Hyperkalaemia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    Brincidofovir Standard of Care
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    20 / 20 (100.00%)
    9 / 9 (100.00%)
    Vascular disorders
    Hypertension
         subjects affected / exposed
    2 / 20 (10.00%)
    2 / 9 (22.22%)
         occurrences all number
    2
    2
    General disorders and administration site conditions
    Catheter site erythema
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Catheter site inflammation
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Hyperthermia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Mucosal inflammation
         subjects affected / exposed
    1 / 20 (5.00%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Oedema
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Oedema peripheral
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Pain
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Pyrexia
         subjects affected / exposed
    7 / 20 (35.00%)
    2 / 9 (22.22%)
         occurrences all number
    7
    2
    Immune system disorders
    Cytokine release syndrome
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Drug hypersensitivity
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Engraftment syndrome
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Graft versus host disease
         subjects affected / exposed
    0 / 20 (0.00%)
    2 / 9 (22.22%)
         occurrences all number
    0
    2
    Graft versus host disease in gastrointestinal tract
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Graft versus host disease in skin
         subjects affected / exposed
    2 / 20 (10.00%)
    2 / 9 (22.22%)
         occurrences all number
    2
    2
    Respiratory, thoracic and mediastinal disorders
    Atelectasis
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Cough
         subjects affected / exposed
    1 / 20 (5.00%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Epistaxis
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Hypoxia
         subjects affected / exposed
    1 / 20 (5.00%)
    2 / 9 (22.22%)
         occurrences all number
    1
    2
    Nasal congestion
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Oropharyngeal pain
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Pleural effusion
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Pneumomediastinum
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Sinus congestion
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Investigations
    Alanine aminotransferase increased
         subjects affected / exposed
    2 / 20 (10.00%)
    2 / 9 (22.22%)
         occurrences all number
    2
    2
    Amylase increased
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Aspartate aminotransferase increased
         subjects affected / exposed
    1 / 20 (5.00%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Blood albumin
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Blood bilirubin increased
         subjects affected / exposed
    2 / 20 (10.00%)
    1 / 9 (11.11%)
         occurrences all number
    2
    1
    Blood creatinine increased
         subjects affected / exposed
    1 / 20 (5.00%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Blood magnesium decreased
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Blood potassium
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Blood uric acid increased
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Clostridium test
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Fluid balance positive
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Gamma-glutamyltransferase increased
         subjects affected / exposed
    4 / 20 (20.00%)
    2 / 9 (22.22%)
         occurrences all number
    4
    2
    Haemoglobin decreased
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Lipase increased
         subjects affected / exposed
    1 / 20 (5.00%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Liver function test increased
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Lymphocyte count decreased
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Platelet count decreased
         subjects affected / exposed
    1 / 20 (5.00%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Viral test positive
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Weight decreased
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Injury, poisoning and procedural complications
    Bite
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Spinal compression fracture
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Cardiac disorders
    Pericardial effusion
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Tachycardia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Nervous system disorders
    Encephalopathy
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Headache
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Lethargy
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Posterior reversible encephalopathy syndrome
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Seizure
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Febrile neutropenia
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Haemolytic uraemic syndrome
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Lymphadenectomy
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Neutropenia
         subjects affected / exposed
    2 / 20 (10.00%)
    2 / 9 (22.22%)
         occurrences all number
    2
    2
    Thrombocytopenia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Thrombotic microangiopathy
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Eye disorders
    Periorbital oedema
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Retinal haemorrhage
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    5 / 20 (25.00%)
    1 / 9 (11.11%)
         occurrences all number
    5
    1
    Abdominal pain upper
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Anal fissure
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Colitis
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Constipation
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Diarrhoea
         subjects affected / exposed
    7 / 20 (35.00%)
    0 / 9 (0.00%)
         occurrences all number
    7
    0
    Dyspepsia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Gastric haemorrhage
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Gastrooesophageal reflux disease
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Haemorrhoids
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Ileus
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Lip dry
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Lower gastrointestinal haemorrhage
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Nausea
         subjects affected / exposed
    4 / 20 (20.00%)
    0 / 9 (0.00%)
         occurrences all number
    4
    0
    Pneumatosis intestinalis
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Vomiting
         subjects affected / exposed
    5 / 20 (25.00%)
    1 / 9 (11.11%)
         occurrences all number
    5
    1
    Pneumoperitoneum
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Upper gastrointestinal haemorrhage
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Hepatobiliary disorders
    Hepatic lesion
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Hyperbilirubinaemia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Venoocclusive liver disease
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Skin and subcutaneous tissue disorders
    Alopecia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Dermatitis diaper
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Dry skin
         subjects affected / exposed
    2 / 20 (10.00%)
    1 / 9 (11.11%)
         occurrences all number
    2
    1
    Eczema
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Erythema
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Rash
         subjects affected / exposed
    1 / 20 (5.00%)
    2 / 9 (22.22%)
         occurrences all number
    1
    2
    Rash erythematous
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Rash generalised
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Rash maculo-papular
         subjects affected / exposed
    1 / 20 (5.00%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Skin irritation
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Endocrine disorders
    Adrenal insufficiency
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Infections and infestations
    Adenovirus infection
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    BK virus infection
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Bronchiolitis
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Cytomegalovirus infection
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Cytomegalovirus viraemia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Encephalitis
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Epstein-Barr viraemia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Epstein-Barr virus infection
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Escherichia infection
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Gastroenteritis
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Gastroenteritis salmonella
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Influenza
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Pneumonia
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Pseudomonas infection
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Purulent discharge
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Rhinitis
         subjects affected / exposed
    0 / 20 (0.00%)
    2 / 9 (22.22%)
         occurrences all number
    0
    2
    Staphylococcal skin infection
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Streptococcal bacteraemia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Urinary tract infection
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Viral upper respiratory tract infection
         subjects affected / exposed
    0 / 20 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    3 / 20 (15.00%)
    0 / 9 (0.00%)
         occurrences all number
    3
    0
    Fluid overload
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Hypoalbuminaemia
         subjects affected / exposed
    1 / 20 (5.00%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Hypokalaemia
         subjects affected / exposed
    2 / 20 (10.00%)
    1 / 9 (11.11%)
         occurrences all number
    2
    1
    Hypomagnesaemia
         subjects affected / exposed
    2 / 20 (10.00%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Hypophosphataemia
         subjects affected / exposed
    2 / 20 (10.00%)
    1 / 9 (11.11%)
         occurrences all number
    2
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    13 Dec 2017
    •Allowed treatment with BCV after Week 16 in either treatment group up to a maximum cumulative duration of 24 weeks. •If the first AdV viremia result from the designated central virology laboratory was reported at ≥ 10,000 copies a confirmatory sample was not required
    06 Aug 2018
    •Revised to include allogeneic HCT recipients of a T cell-depleted and/or unrelated cord blood graft •Revised the inclusion criteria to limit enrollment in patients who had received no more than 10 mg/kg cumulative exposure to IV cidofovir within 21-day window prior to randomization •Added a new secondary efficacy endpoint assessing the clearance of AdV from stool (and other non-blood matrices) •The acceptability/palatability of the BCV oral suspension formulation was to be evaluated at selected study centers
    01 Feb 2019
    •Inclusion criteria revised to include pediatric allogeneic hematopoietic cell transplant recipients of a T cell-replete graft from a haploidentical donor when also treated with high-dose cyclophosphamide for graft versus host disease prophylaxis •Revised to allow cross-over between BCV and SoC arms

    Interruptions (globally)

    Were there any global interruptions to the trial? Yes
    Date
    Interruption
    Restart date
    30 May 2019
    Study terminated early
    -

    Limitations and caveats

    Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data.
    The study was terminated early due to poor subject accrual rates and not for safety reasons. The small number of subjects enrolled (29) was not adequate to conduct the planned analyses.
    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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