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    Clinical Trial Results:
    Evaluation de l'efficacité d'une corticothérapie à faible dose, associée à l'acide mycophénolique (Myfortic) dans le traitement d'attaque du syndrome néphrotique à lésions glomérulaires minimes de l'adulte. Etude MSN Evaluation of Low Dose Corticosteroids Efficiency, Associated With Myfortic ® in the Treatment of Nephrotic Syndrome (MSN)

    Summary
    EudraCT number
    2009-011170-15
    Trial protocol
    FR  
    Global end of trial date
    10 Nov 2015

    Results information
    Results version number
    v1(current)
    This version publication date
    26 Jun 2022
    First version publication date
    26 Jun 2022
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    P071226
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT01197040
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    ASSISTANCE PUBLIQUE - HOPITAUX DE PARIS
    Sponsor organisation address
    4 Avenue Victoria, PARIS, France, 75004
    Public contact
    Dr Philippe REMY, ASSISTANCE PUBLIQUE - HOPITAUX DE PARIS / Hôpital Henri MONDOR, +33 (0)1 49 81 24 59, philippe.remy@aphp.fr
    Scientific contact
    Dr Philippe REMY, ASSISTANCE PUBLIQUE - HOPITAUX DE PARIS / Hôpital Henri MONDOR, +33 (0)1 49 81 24 59, philippe.remy@aphp.fr
    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
    05 Dec 2017
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    28 Jul 2014
    Global end of trial reached?
    Yes
    Global end of trial date
    10 Nov 2015
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    L'objectif principal est de comparer le taux de rémission complète à 4 semaines, obtenu sous corticoïdes seuls à pleine dose, 1mg/kg/j, par rapport au groupe sous l'association faible dose de corticoïdes 0,5 mg/kg/j et Myfortic® à la dose de 1440 mg/j. evaluate efficacy of low dose steroid combined with mycophenolic acid (Myfortic) versus high dose steroid, at 4 weeks, in inducing remission in adults with minimal change nephrotic syndrome (MCNS)
    Protection of trial subjects
    The study was carried out in accordance with the Declaration of Helsinki and the International Conference on Harmonization of Good Clinical Practice.The trial protocol was approved by the institutional review board (Comité de Protection des Personnes Ilede-France II # 2009-04-02.). Written informed consent was obtained from all patients.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    12 Nov 2009
    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
    France: 117
    Worldwide total number of subjects
    117
    EEA total number of subjects
    117
    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)
    100
    From 65 to 84 years
    16
    85 years and over
    1

    Subject disposition

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    Recruitment
    Recruitment details
    Between November 2009 and June 2014, 117 patients met the inclusion criteria for this study

    Pre-assignment
    Screening details
    minimal change nephrotic syndrome in adults (MCNS) was based on appropriate renal biopsy examination

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

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Experimental
    Arm description
    Association of low dose corticosteroids 0.5 mg/kg/day and Myfortic ® at a dose of 1440 mg/day.
    Arm type
    Experimental

    Investigational medicinal product name
    mycophenolate sodium
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Gastro-resistant tablet
    Routes of administration
    Oral use
    Dosage and administration details
    enteric-coated mycophenolate sodium 720 mg twice daily for 24 weeks

    Investigational medicinal product name
    prednisone
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Prednisone (0.5 mg/kg/day, maximum 40 mg/day) for 24 weeks

    Arm title
    Active Comparator
    Arm description
    Monotherapy: treatment with only corticosteroids at doses usually 1 mg/kg/day,following a plan of reduction based on the degree of remission.
    Arm type
    Active comparator

    Investigational medicinal product name
    Prednisone
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    oral prednisone (1 mg/kg/day, maximum 80 mg/day) for 24 weeks

    Number of subjects in period 1 [1]
    Experimental Active Comparator
    Started
    58
    58
    week 4
    52
    57
    Completed
    52
    57
    Not completed
    6
    1
         Adverse event, serious fatal
    1
    1
         Consent withdrawn by subject
    1
    -
         outcome not available
    4
    -
    Notes
    [1] - The number of subjects reported to be in the baseline period are not the same as the worldwide number enrolled in the trial. It is expected that these numbers will be the same.
    Justification: 1 Consent withdrawal before randimazation, thus Excluded (n = 1)

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Experimental
    Reporting group description
    Association of low dose corticosteroids 0.5 mg/kg/day and Myfortic ® at a dose of 1440 mg/day.

    Reporting group title
    Active Comparator
    Reporting group description
    Monotherapy: treatment with only corticosteroids at doses usually 1 mg/kg/day,following a plan of reduction based on the degree of remission.

    Reporting group values
    Experimental Active Comparator Total
    Number of subjects
    58 58 116
    Age categorical
    Units: Subjects
        In utero
    0
        Preterm newborn infants (gestational age < 37 wks)
    0
        Newborns (0-27 days)
    0
        Infants and toddlers (28 days-23 months)
    0
        Children (2-11 years)
    0
        Adolescents (12-17 years)
    0
        Adults (18-64 years)
    0
        From 65-84 years
    0
        85 years and over
    0
    Age continuous
    Units: years
        median (inter-quartile range (Q1-Q3))
    47.4 (31.3 to 61.1) 41.6 (31.6 to 55.4) -
    Gender categorical
    Units: Subjects
        Female
    22 29 51
        Male
    36 29 65

    End points

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    End points reporting groups
    Reporting group title
    Experimental
    Reporting group description
    Association of low dose corticosteroids 0.5 mg/kg/day and Myfortic ® at a dose of 1440 mg/day.

    Reporting group title
    Active Comparator
    Reporting group description
    Monotherapy: treatment with only corticosteroids at doses usually 1 mg/kg/day,following a plan of reduction based on the degree of remission.

    Primary: Complete Remission rate after 4 weeks of treatment

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    End point title
    Complete Remission rate after 4 weeks of treatment
    End point description
    The primary endpoint was the complete remission (CR) rate after 4 weeks of treatment. Complete remission was defined as urine protein-to-creatinine ratio (UPCR) < 30 mg/mmol or trace or negative results on repeat urine albumin dipstick tests, associated with an albumin level > 30 g/l.
    End point type
    Primary
    End point timeframe
    4 weeks
    End point values
    Experimental Active Comparator
    Number of subjects analysed
    57 [1]
    57
    Units: subjects
    37
    33
    Notes
    [1] - Analysis according to the intent-to-treat principle after imputation of missing data.
    Statistical analysis title
    Primary outcome, Week 4 Complete remission, ITT
    Statistical analysis description
    Analysis according to the intent-to-treat principle after imputation of missing data. A multiple imputation approach was used for handling missing data and limits attrition bias. We used the multiple multivariate imputation by chained equations procedure with the missing at random assumption. We used both baseline covariates and outcome to impute the missing data values, and we independently analyzed 20 copies of the data.
    Comparison groups
    Experimental v Active Comparator
    Number of subjects included in analysis
    114
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    P-value
    = 0.44
    Method
    Chi-squared
    Parameter type
    Risk ratio (RR)
    Point estimate
    1.12
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    0.84
         upper limit
    1.5

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Patients were followed up for 1 year after randomization (week 52). They attended follow-up visits every 2 weeks during the first 8 weeks after randomization, and then every 4 weeks until week 24, with a final visit at week 52.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    12.1
    Reporting groups
    Reporting group title
    Experimental
    Reporting group description
    Association of low dose corticosteroids 0.5 mg/kg/day and Myfortic ® at a dose of 1440 mg/day.

    Reporting group title
    Active Comparator
    Reporting group description
    Monotherapy: treatment with only corticosteroids at doses usually 1 mg/kg/day,following a plan of reduction based on the degree of remission.

    Serious adverse events
    Experimental Active Comparator
    Total subjects affected by serious adverse events
         subjects affected / exposed
    9 / 58 (15.52%)
    9 / 58 (15.52%)
         number of deaths (all causes)
    2
    3
         number of deaths resulting from adverse events
    2
    3
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Suspicion of lung cancer
         subjects affected / exposed
    0 / 58 (0.00%)
    1 / 58 (1.72%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Blood and lymphatic system disorders
    Hemorrhagic shock
    Additional description: Two patients died between inclusion and primary outcome evaluation, due to a post-renal biopsy hemorrhage for 1 patient from experimental group and hemorrhagic shock related to stomach ulcer for 1 patient from control group.
         subjects affected / exposed
    1 / 58 (1.72%)
    1 / 58 (1.72%)
         occurrences causally related to treatment / all
    0 / 1
    1 / 1
         deaths causally related to treatment / all
    0 / 1
    1 / 1
    Gastrointestinal disorders
    Diarrhea
         subjects affected / exposed
    0 / 58 (0.00%)
    1 / 58 (1.72%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Acute pulmonary embolism
         subjects affected / exposed
    1 / 58 (1.72%)
    0 / 58 (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 / 58 (1.72%)
    2 / 58 (3.45%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Psychiatric disorders
    Behavioral disorders
         subjects affected / exposed
    1 / 58 (1.72%)
    0 / 58 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Endocrine disorders
    New-onset glucose intolerance
    Additional description: New-onset glucose intolerance occurred in 2 patients from the control group, and none of the patients from the test group.
         subjects affected / exposed
    0 / 58 (0.00%)
    1 / 58 (1.72%)
         occurrences causally related to treatment / all
    0 / 0
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Musculoskeletal and connective tissue disorders
    Bone fracture
    Additional description: Two patients from the control group suffered bone fractures.
         subjects affected / exposed
    0 / 58 (0.00%)
    2 / 58 (3.45%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Infections and infestations
    Septic shock
    Additional description: 1 patient from experimental group (39 weeks after inclusion) and 2 patients from control group (8 and 13 weeks after inclusion). The main cause of death in these patients was necrotizing fasciitis and severe community-acquired pneumonia in 2 cases
         subjects affected / exposed
    1 / 58 (1.72%)
    2 / 58 (3.45%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 2
         deaths causally related to treatment / all
    0 / 1
    0 / 2
    Infectious episodes
    Additional description: Nonfatal infectious episodes consisted in acute pyelonephritis in 3 patients, acute prostatitis in 1 case, viral diarrhea in 2 and an abscess after surgical intervention for carpal tunnel syndrome in the last.
         subjects affected / exposed
    5 / 58 (8.62%)
    2 / 58 (3.45%)
         occurrences causally related to treatment / all
    1 / 5
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 0.01%
    Non-serious adverse events
    Experimental Active Comparator
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    53 / 58 (91.38%)
    51 / 58 (87.93%)
    General disorders and administration site conditions
    Discomfort
         subjects affected / exposed
    53 / 58 (91.38%)
    51 / 58 (87.93%)
         occurrences all number
    251
    238

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    19 Nov 2009
    MS1 1 Exclusion criteria modification; addition of fasting blood glucose assay at D1 ; modification of visit partial examination ; 2 New investigation sites added; principal investigator modification at Troyes Hospital
    14 Dec 2009
    MS2 Principal investigator modification at Necker Hospital (Paris, 75, France)
    07 Jun 2010
    MS3 Visit organisation modification; 1 inclusion criteria and 2 exclusion criteria modification; modification of forbidden drugs and treatment during protocol ; modification of synoptic table ; 3 investigation sites added
    02 Aug 2010
    MS4 Investigation site added
    11 Mar 2013
    MS5 Inclusion period extension (+6 months)
    16 Dec 2013
    MS6 Inclusion period extension (+12months) ; number of subjects needed decreased
    02 Feb 2015
    MS7 Inclusion period extension ; number of patients justified
    09 Nov 2015
    MS8 Principal investigator modification in 3 investigation sites ; declaration of number of patients included

    Interruptions (globally)

    Were there any global interruptions to the trial? No

    Limitations and caveats

    Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data.
    None reported

    Online references

    http://www.ncbi.nlm.nih.gov/pubmed/30385039
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