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    Clinical Trial Results:
    PHASE I/II CLINICAL TRIAL OF HAEMATOPOIETIC STEM CELL GENE THERAPY FOR THE WISKOTT-ALDRICH SYNDROME

    Summary
    EudraCT number
    2007-004308-11
    Trial protocol
    GB  
    Global end of trial date
    13 Nov 2019

    Results information
    Results version number
    v1(current)
    This version publication date
    04 Oct 2020
    First version publication date
    04 Oct 2020
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    GTG002.07
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT01347242
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Genethon
    Sponsor organisation address
    1bis, Rue de l’Internationale , EVRY, France, 91002
    Public contact
    Clinical Trials Information, Genethon, +33 169472900, clinical_development@genethon.fr
    Scientific contact
    Clinical Trials Information, Genethon, +33 169472900, clinical_development@genethon.fr
    Paediatric regulatory details
    Is trial part of an agreed paediatric investigation plan (PIP)
    Yes
    EMA paediatric investigation plan number(s)
    EMEA-000786-PIP01-09
    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 Nov 2019
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    13 Nov 2019
    Global end of trial reached?
    Yes
    Global end of trial date
    13 Nov 2019
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    To assess the efficacy of heamatopoietic stem cell gene therapy in WAS patients based on the clinical improvement in at least one of the following clinical parameters, depending on the patient’s symptomatology at study entry: eczema status, frequency and severity of infections, of bruising and bleeding episodes and of autoimmune disorders and consequently to assess the number of disease-related days of hospitalisation
    Protection of trial subjects
    Only male patients with WAS confirmed by DNA sequencing and with a severity score of 3 to 5 who had no suitable donor for an allogeneic HSCT were enrolled. The cell/product target dose consisted of at least 0.5 x 10^6 cells per kg of body weight with a minimum of cells viability of 50%, transduced ex vivo with 1 x 10^8 i.g./mL of lentiviral vector to achieve ≥0.3 integrated copies per cell. Hematopoietic cells were collected from the patient in advance of the treatment, to serve as a salvage procedure (back-up graft). Cells were collected either from bone marrow under general anaesthesia or from peripheral blood mononuclear cells recovered by leukapheresis. The bone marrow or mobilised cells were frozen and stored un-manipulated to constitute the back-up graft. CD34+ cells were purified from bone marrow cells harvested under general anaesthesia, or from PBMCs mobilised through the use of G-CSF (possibily augmented with plerixafor to enhance mobilization) and recovered by leukapheresis, depending on the patient’s clinical status. Patient conditioning was to be initiated immediately after bone marrow or PBMC collection and consisted of daily doses of busulfan (approximatively 4 mg/kg depending on age) and fludarabine (40 mg/m2) for 3 days. If the number of CD34+ was less than 0.5 x 10^6/kg, the cells were not to be infused, and the patient was to receive the back-up harvest within 48 hours and to be withdrawn from the study. If there was no bone marrow recovery within 6 weeks, the patient was to receive the back-up harvest. Follow-up of patients including physical examinations and blood tests were to take place at 1 month, 6 weeks, and 3, 6, 9, 12, 18, and 24 months after infusion of transduced cells. After completion of this 2- year follow-up period, patients could participate in a long-term follow-up study for another 8 years.
    Background therapy
    Allogeneic haematopoietic stem cells transplantation is a curative procedure for WAS, although success is dependent on the availability of human leukocyte antigen (HLA)-matched donors. HLA-mismatched transplantation carries an increased risk for complications, in particular for graft vs. host disease, causing increased morbidity and mortality. Long term outcome of haematopoetic stem cell transplantation (HSCT) has been analysed (Ozsahin et al, 2007). In a cohort of 137 patients treated in Europe at 17 centres between 1979-2001, overall survival in matched family donor transplants was 83%, matched unrelated donor transplants 75%, and related HLA-mismatched 50%. It is estimated that a fully matched donor can be found for about a third to one half of the patients with WAS. As a result of existing therapeutic interventions, some patients with WAS survive into adulthood, however a significant number of patients die at less than 10 years of age from haemorrhage, infection, malignancy, or complications of HSCT. Despite the established role of allogeneic HSCT for patients with a suitable donor, there is still a need for novel, effective, well-tolerated treatments for WAS, particularly in patients with severe disease and those who lack an HLA-matched allogeneic donor. The knowledge of the defective gene causing WAS has prompted the development of new treatment options, focusing on the infusion of autologous hematopoietic stem cells modified ex vivo by gene therapy.
    Evidence for comparator
    The choice of a design with no control group was considered to be appropriate to establish a proof of concept and to investigate the safety of the investigational product in patients with severe WAS. Given the rarity and severity of the disease as well as the lack of therapeutic alternatives, apart from an allogeneic Haemotopoietic Stem Cell Transplantation, a controlled design was considered to be neither feasible nor ethically justifiable.
    Actual start date of recruitment
    17 Feb 2010
    Long term follow-up planned
    Yes
    Long term follow-up rationale
    Efficacy, Ethical reason, Safety, Regulatory reason, Scientific research
    Long term follow-up duration
    10 Years
    Independent data monitoring committee (IDMC) involvement?
    Yes
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    United Kingdom: 5
    Worldwide total number of subjects
    5
    EEA total number of subjects
    5
    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)
    2
    Children (2-11 years)
    2
    Adolescents (12-17 years)
    0
    Adults (18-64 years)
    1
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    Patients were enrolled in two centers, Great Ormond Street Hospital, London, UK and Royal Free Hospital, London, UK, from February the 17th, 2010 to October the 17th, 2017.

    Pre-assignment
    Screening details
    Male patients with WAS confirmed by DNA sequencing and with a severity score of 3 to 5 who had no suitable donor for an allogeneic Haematopoietic stem cell transplantation.

    Pre-assignment period milestones
    Number of subjects started
    5
    Number of subjects completed
    5

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

    Arms
    Arm title
    Treatment
    Arm description
    Single arm Single infusion of patient specific test-product administered, followed by a 2-year follow-up period.
    Arm type
    Experimental

    Investigational medicinal product name
    Autologous CD34+ cells transduced with the w1.6_hWASP_WPRE lentiviral vector Wiskott-Aldrich Syndrome
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Suspension for injection
    Routes of administration
    Intravenous use
    Dosage and administration details
    A single cell/product target dose was used i.e. patients were to receive at least 0.5 x 106 CD34+ cells per kg of body weight transduced ex vivo with 1 x 108 i.g./mL of vector to achieve ≥ 0.3 copy integrated per cell Patients received the investigational product as a single intravenous infusion of a total volume of 50-100 mL over 30-45 minutes.

    Number of subjects in period 1
    Treatment
    Started
    5
    Completed
    5

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Treatment
    Reporting group description
    Single arm Single infusion of patient specific test-product administered, followed by a 2-year follow-up period.

    Reporting group values
    Treatment Total
    Number of subjects
    5 5
    Age categorical
    Units: Subjects
        In utero
    0 0
        Preterm newborn infants (gestational age < 37 wks)
    0 0
        Newborns (0-27 days)
    0 0
        Infants and toddlers (28 days-23 months)
    2 2
        Children (2-11 years)
    2 2
        Adolescents (12-17 years)
    0 0
        Adults (18-64 years)
    1 1
        From 65-84 years
    0 0
        85 years and over
    0 0
    Age continuous
    Units: years
        arithmetic mean (standard deviation)
    9.2 ± 11.78 -
    Gender categorical
    All patients having WAS disease are male
    Units: Subjects
        Female
    0 0
        Male
    5 5
    Type of mutation (DNA, Protein), and exon affected
    Units: Subjects
        exon 9 mutation
    2 2
        no exon 9 mutation
    3 3
    WAS protein status
    Units: Subjects
        absent
    4 4
        present
    1 1
    WAS Clinical score
    Units: Subjects
        zero
    0 0
        one
    0 0
        two
    0 0
        three
    1 1
        four
    2 2
        five
    2 2

    End points

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    End points reporting groups
    Reporting group title
    Treatment
    Reporting group description
    Single arm Single infusion of patient specific test-product administered, followed by a 2-year follow-up period.

    Primary: Improvement in at least one of the following clinical conditions: eczema, infection, bruising/bleeding, autoimmune disorders, disease-related days of hospitalisation

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    End point title
    Improvement in at least one of the following clinical conditions: eczema, infection, bruising/bleeding, autoimmune disorders, disease-related days of hospitalisation [1]
    End point description
    Efficacy primary endpoint: Improvement at 24 months in at least one of the following clinical conditions depending on the patient’s clinical symptomatology at study entry: - Improvement in the eczema status at 24 months as compared with the baseline status at study entry - Reduction in the frequency and severity of infection episodes, bruising and bleeding episodes evaluated by clinical examination, at 24 months as compared with the baseline status and the patient’s historical data collected over the 24 months prior to study entry - Reduction in the frequency and severity of autoimmune disorders at 24 months as compared with the baseline status at study entry - Reduction in the number of disease-related days of hospitalisation as compared with the patient’s historical data collected over the 24 months prior to study entry
    End point type
    Primary
    End point timeframe
    24 months
    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: As there is only one treatment group in this study, no comparisons were done, and thus descriptive statistics were used to summarize results.
    End point values
    Treatment
    Number of subjects analysed
    5 [2]
    Units: participants
        number (not applicable)
    5
    Notes
    [2] - Descriptive statistical analysis, small sample size (n=5) Primary endpoint achieved all 5 patients.
    No statistical analyses for this end point

    Secondary: Secondary: efficacy of heamatopoietic stem cell gene therapy on microthrombocytopenia and other heamatological parameters

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    End point title
    Secondary: efficacy of heamatopoietic stem cell gene therapy on microthrombocytopenia and other heamatological parameters
    End point description
    Secondary endpoints - Improvement of microthrombocytopenia at 3, 6, 12, and 24 months as compared with the baseline status at study entry - Decrease in the number and volume of platelet transfusions at 24 months as compared with the patient’s historical data collected over the 24 months prior to study entry - Evidence of sustained engraftment of WASP-expressing transduced cells at 6 weeks and 1, 3, 6, 9, 12, 18, and 24 months - Reconstitution of humoral and cell-mediated immunity at 9, 12, 18, and 24
    End point type
    Secondary
    End point timeframe
    3, 6, 12, 24 months after treatment.
    End point values
    Treatment
    Number of subjects analysed
    5 [3]
    Units: participants
        number (not applicable)
    5
    Notes
    [3] - Descriptive statistical analysis, small sample size (n=5)
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From 17 February 2010 to 13 November 2019
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    17.0
    Reporting groups
    Reporting group title
    Treatment
    Reporting group description
    Single infusion of patient-specific test product, followed by a 2-year follow-up period

    Serious adverse events
    Treatment
    Total subjects affected by serious adverse events
         subjects affected / exposed
    5 / 5 (100.00%)
         number of deaths (all causes)
    0
         number of deaths resulting from adverse events
    0
    Injury, poisoning and procedural complications
    Head injury
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 3
         deaths causally related to treatment / all
    0 / 0
    Thermal burn
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Traumatic haemorrhage
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Blood and lymphatic system disorders
    Febrile neutropenia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    General disorders and administration site conditions
    Pyrexia
         subjects affected / exposed
    3 / 5 (60.00%)
         occurrences causally related to treatment / all
    0 / 3
         deaths causally related to treatment / all
    0 / 0
    Pain
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal disorders
    Haematochezia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Skin and subcutaneous tissue disorders
    Vasculitic rash
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Renal and urinary disorders
    Nephrotic syndrome
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Musculoskeletal and connective tissue disorders
    Joint swelling
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Device related infection
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Catheter site cellulitis
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Catheter site infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Herpes zoster
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Laryngitis
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Lower respiratory tract infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Viral upper respiratory tract infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Metabolism and nutrition disorders
    Hypoglycaemia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 0%
    Non-serious adverse events
    Treatment
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    5 / 5 (100.00%)
    Vascular disorders
    Hypotension
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    2
    General disorders and administration site conditions
    Pyrexia
         subjects affected / exposed
    5 / 5 (100.00%)
         occurrences all number
    9
    Mucosal inflammation
         subjects affected / exposed
    3 / 5 (60.00%)
         occurrences all number
    3
    Catheter site pain
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    2
    Catheter site bruise
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Catheter site swelling
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Fatigue
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Inflammation
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Pain
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Immune system disorders
    Food allergy
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Reproductive system and breast disorders
    Genital rash
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    2
    Respiratory, thoracic and mediastinal disorders
    Cough
         subjects affected / exposed
    3 / 5 (60.00%)
         occurrences all number
    6
    Oropharyngeal pain
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    2
    Epistaxis
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Pharyngeal haemorrhage
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    2
    Rales
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Respiratory disorder
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Respiratory distress
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Psychiatric disorders
    Insomnia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Panic attack
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Investigations
    Adenovirus test positive
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Blood urine present
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    C-reactive protein increased
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Haemoglobin decreased
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Norovirus test positive
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Platelet count decreased
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Sapovirus test positive
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Injury, poisoning and procedural complications
    Contusion
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    3
    Head injury
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    3
    Refractoriness to platelet transfusion
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Thermal burn
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    3
    Traumatic haemorrhage
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Cardiac disorders
    Bradycardia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    2
    Blood and lymphatic system disorders
    Neutropenia
         subjects affected / exposed
    3 / 5 (60.00%)
         occurrences all number
    4
    Anaemia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Febrile neutropenia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Lymphadenopathy
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Lymphopenia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Ear and labyrinth disorders
    Ear haemorrhage
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Eye disorders
    Eye discharge
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Eye inflammation
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Gastrointestinal disorders
    Vomiting
         subjects affected / exposed
    5 / 5 (100.00%)
         occurrences all number
    16
    Diarrhoea
         subjects affected / exposed
    3 / 5 (60.00%)
         occurrences all number
    6
    Abdominal pain
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Abdominal pain upper
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Anal fissure
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Constipation
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Haematochezia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Mouth ulceration
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Rectal haemorrhage
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Teething
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Hepatobiliary disorders
    Hepatomegaly
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Skin and subcutaneous tissue disorders
    Alopecia areata
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Eczema
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    2
    Blood blister
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Dermatitis diaper
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Drug eruption
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Pruritus
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Skin exfoliation
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Skin lesion
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Skin mass
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Skin ulcer
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Vasculitic rash
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Renal and urinary disorders
    Nephrotic syndrome
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    3
    Back pain
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    2
    Joint swelling
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    6
    Pain in extremity
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Musculoskeletal pain
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Infections and infestations
    Rhinitis
         subjects affected / exposed
    3 / 5 (60.00%)
         occurrences all number
    5
    Conjunctivitis
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    2
    Ear infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Device related infection
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    2
    Influenza
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    2
    Oral candidiasis
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    2
    Rhinovirus infection
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    2
    Varicella
         subjects affected / exposed
    2 / 5 (40.00%)
         occurrences all number
    2
    Adenovirus infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Bronchitis
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Campylobacter infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Catheter site cellulitis
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Catheter site infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    2
    Coronavirus infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Cytomegalovirus infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Cytomegalovirus viraemia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Eczema herpeticum
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Eczema infected
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Eye infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Herpes zoster
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Laryngitis
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    3
    Lower respiratory tract infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    2
    Molluscum contagiosum
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Oral herpes
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Parainfluenzae virus infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Respiratory tract infection viral
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Tooth infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Upper respiratory tract infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Viral upper respiratory tract infection
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    4
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Feeding disorder
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Hypoglycaemia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1
    Hypokalaemia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    3
    Hypophagia
         subjects affected / exposed
    1 / 5 (20.00%)
         occurrences all number
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    16 Feb 2010
    The protocol was revised to add evidence of sponsor insurance or indemnity.
    20 Aug 2010
    Modification of the clinical study protocol further to the deletion of the freezing and cryopreservation of transduced cells in the manufacturing process of the IMP: - Clarification of the inclusion and exclusion criteria - Modification of the conditioning regimen - Modification of the final total cell number required for engraftment - Adaptation of the primary endpoint Modification of the requirements for collecting and storing patient serum samples for RCL analysis Addition of criteria for assessing the severity of the AEs
    09 May 2014
    Adaptation of the clinical study protocol to comply under the Paediatric Investigation Plan approved by the Peadiatric Committee of the EMA on 17 September 2013: - Modification of the primary and secondary objectives - Modification of the inclusion criteria - Modification of the clinical monitoring during post-infusion period - Clarifications regarding the collection and analysis of AE data
    23 Oct 2015
    Protocol was revised to allow the physician to collect stem cells either from bone marrow harvest or peripheral blood for patients younger than 2 years old. Dose regimen of G-CSF was adapted to take into account the younger population including patients under 2 years old.

    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.
    Small sample size (n=5), One arm non comparative study, Descriptive statistical analyses only
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