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    Clinical Trial Results:
    Switch To RItuXimab in MS A phase 2 open label study of Rituximab in MS patients previously treated with self-injectibles using a target based therapy approach

    Summary
    EudraCT number
    2010-023021-38
    Trial protocol
    SE  
    Global end of trial date
    31 Mar 2015

    Results information
    Results version number
    v2(current)
    This version publication date
    07 Mar 2019
    First version publication date
    31 Dec 2017
    Other versions
    v1
    Version creation reason
    • Changes to summary attachments
    Full data set contains all information, there is no need for a summary attachment.

    Trial information

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    Trial identification
    Sponsor protocol code
    STRIX-MS001
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    -
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Västerbottens läns landsting
    Sponsor organisation address
    Dept of Neurology, Norrlands University Hospital, Umeå, Sweden, 90185
    Public contact
    Anders Svenningsson, Norrlands University Hospital, Dept of Neurology, anders.svenningsson@me.com
    Scientific contact
    Anders Svenningsson, Norrlands University Hospital, Dept of Neurology, anders.svenningsson@me.com
    Paediatric regulatory details
    Is trial part of an agreed paediatric investigation plan (PIP)
    No
    Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Results analysis stage
    Analysis stage
    Final
    Date of interim/final analysis
    15 Oct 2015
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    31 Mar 2015
    Global end of trial reached?
    Yes
    Global end of trial date
    31 Mar 2015
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    To evaluate the feasability and safety of switching from injectible MS treatments to Mabthera in stable relapsing-remitting multiple sclerosis (RRMS) To study the effects on inflammatory parameters on magnetic resonance imaging when switching MS therapy to Mabthera in RRMS To study the development of neurodegenerative processes after therapy switch to Rituximab using quantitative MRI measurements and analysis of biomarkers for axonal damage in the cerebrospinal fluid (CSF)
    Protection of trial subjects
    Baseline measurements with high sensitivity MRI (with double dose contrast) will be done twice with 3 months apart to collect enough data for comparison of effect on inflammato-ry parameters between first line DMD:s and Rituximab. Lumbar puncture will be per-formed once during this period in close connection with the second MRI, immediately be-fore the therapy switch. The Rituximab therapy will be performed on an outpatient basis and require approximately 6 hours per infusion with two weeks apart. Follow-up examina-tions will be performed at month 3 and 6 and thereafter 6-monthly up to two years. High sensitivity MRI will be performed 3 and 6 months after start of Rituximab treatment and thereafter regular MRI including qMRi every 6 month. Lumbar puncture will be performed in close connection to the MRI examinations after one and two years, respectively. Tests and endpoints during the study: Blood chemistry Safety Flow cytometry Safety, exploratory MRI, double dose contrast + qMRI Safety, disease activity inflammation MRI, standard + qMRI Safety, neurodegeneration LP Biomarkers, neurodegenereation EDSS Disease progression MSIS29 Social activity measure, QoL SDMT Cognitive function FSMC Fatigue
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    01 Nov 2011
    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
    Sweden: 77
    Worldwide total number of subjects
    77
    EEA total number of subjects
    77
    Number of subjects enrolled per age group
    In utero
    0
    Preterm newborn - gestational age < 37 wk
    0
    Newborns (0-27 days)
    0
    Infants and toddlers (28 days-23 months)
    0
    Children (2-11 years)
    0
    Adolescents (12-17 years)
    0
    Adults (18-64 years)
    77
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    Inclusion criteria: Between the age of 18 and 55 years (inclusive) of age, Diagnosis of Relapsing Remitting MS, Treatment with any of the first line injectible DMD:s, In fertile females, willing to comply with effective contraceptive methods. Clinically stable on first line injectible therapies for 6 months.

    Pre-assignment
    Screening details
    Patients fulfilling inclusion criteria were offered participation in the study according to a randomisation procedure in the Swedish MS registry.

    Pre-assignment period milestones
    Number of subjects started
    77
    Number of subjects completed
    77

    Period 1
    Period 1 title
    Baseline period
    Is this the baseline period?
    Yes
    Allocation method
    Non-randomised - controlled
    Blinding used
    Not blinded

    Arms
    Arm title
    Baseline treatment
    Arm description
    Baseline period of three months with the present first line DMD:s (disease-modifying drugs).
    Arm type
    Disease-modifying drugs

    Investigational medicinal product name
    Avonex
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Injection
    Routes of administration
    Intramuscular and intravenous use
    Dosage and administration details
    Patients continued their unchanged, prescribed, drug treatment during the run-in period. First line treatment includes treatments that involve self-administered injections interferons, once a week.

    Investigational medicinal product name
    Copaxone
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Injection
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    Patients continued their unchanged, prescribed, drug treatment during the run-in period. First line treatment includes treatments that involve self-administered injections with Glatiramere, daily.

    Investigational medicinal product name
    Rebif
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Injection
    Routes of administration
    Intramuscular and intravenous use
    Dosage and administration details
    Patients continued their unchanged, prescribed, drug treatment during the run-in period. First line treatment includes treatments that involve self-administered injections interferons, once a week.

    Number of subjects in period 1
    Baseline treatment
    Started
    77
    Completed
    75
    Not completed
    2
         Consent withdrawn by subject
    2
    Period 2
    Period 2 title
    Treatment period
    Is this the baseline period?
    No
    Allocation method
    Non-randomised - controlled
    Blinding used
    Not blinded

    Arms
    Arm title
    Treament period
    Arm description
    After a run-in period of 3 months with unchanged injection therapy, treatment was shifted to rituximab (Mabthera®; Roche AB, Stockholm, Sweden).
    Arm type
    Experimental

    Investigational medicinal product name
    Rituximab (Mabthera®)
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    Two doses of rituximab (1000 mg intravenous (IV)) were given 2 weeks apart. If inflammatory activity occurred during the second year, the patient received a re-treatment with 1000 mg rituximab IV.

    Number of subjects in period 2
    Treament period
    Started
    75
    Completed
    72
    Not completed
    3
         Pregnancy
    1
         Planning for pregnancy
    1
         Lack of efficacy
    1

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Baseline period
    Reporting group description
    -

    Reporting group values
    Baseline period Total
    Number of subjects
    77 77
    Age categorical
    Adults 18-55 years.
    Units: Subjects
        In utero
    0 0
        Preterm newborn infants (gestational age < 37 wks)
    0 0
        Newborns (0-27 days)
    0 0
        Infants and toddlers (28 days-23 months)
    0 0
        Children (2-11 years)
    0 0
        Adolescents (12-17 years)
    0 0
        Adults (18-64 years)
    77 77
        From 65-84 years
    0 0
        85 years and over
    0 0
    Gender categorical
    Units: Subjects
        Female
    52 52
        Male
    25 25

    End points

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    End points reporting groups
    Reporting group title
    Baseline treatment
    Reporting group description
    Baseline period of three months with the present first line DMD:s (disease-modifying drugs).
    Reporting group title
    Treament period
    Reporting group description
    After a run-in period of 3 months with unchanged injection therapy, treatment was shifted to rituximab (Mabthera®; Roche AB, Stockholm, Sweden).

    Primary: To study safety and efficacy in reducing inflammatory activity upon switch from injectable first-line treatments to rituximab in patients with clinically stable relapsing-remitting MS (RRMS)

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    End point title
    To study safety and efficacy in reducing inflammatory activity upon switch from injectable first-line treatments to rituximab in patients with clinically stable relapsing-remitting MS (RRMS)
    End point description
    The primary endpoints are •To document the safety of Rituximab treatment in a non-selected population of RRMS patients using a new target based treatment protocol. •The number of Gd-enhancing active lesions in two MRI scans performed three months apart in a run–in period before therapy switch compared with two MRI scans three months apart with the first scan performed three months after thera-py switch. The MRI scans will be performed with double dose contrast and 15 minutes delay to maximize the sensitivity. •The change in the marker for axonal damage NFL in the CSF before treatment switch and after one year of Rituximab treatment. We have previously shown that treatment with natalizumab will lead to a significant reduction of this value when changing therapy from first line DMD:s.
    End point type
    Primary
    End point timeframe
    The patients were followed up through regular clinical visits, MRI and lumbar punctures for a period of 24 months.
    End point values
    Baseline treatment Treament period
    Number of subjects analysed
    75 [1]
    72 [2]
    Units: Results of MRI
    75
    72
    Attachments
    Published article
    Published article
    Notes
    [1] - Two persons withdrew their consent.
    [2] - Reasons for premature stop: pregnancy, planned pregnancy and lack of efficacy.
    Statistical analysis title
    Comparative statistics
    Statistical analysis description
    All statistical testing were done as two-sided on a 5 % level of significance, all confidence intervals 95 % intervals. The Wilcoxon signed-rank test was used to test paired significance between the separate time points. Descriptive statistics were reported for all variables with calculation of mean values, median values, standard deviation (SD) and range. Missing values were not replaced.
    Comparison groups
    Baseline treatment v Treament period
    Number of subjects included in analysis
    147
    Analysis specification
    Pre-specified
    Analysis type
    superiority [3]
    P-value
    < 0.05
    Method
    Wilcoxon signed-rank test
    Confidence interval
    Notes
    [3] - Each patient was its own control, which resulted in perfect matching and stronger statistical analysis. With a baseline period including two high-sensitivity MRI scans regarding active inflammation made a comparison of efficacy regarding this aspect of the disease possible. The comparison of NFL (Neurofilament light chains) levels in the CSF (Cerebrospinal fluid) will provide information of treatment effects on the neurodegenerative part of the disease possible.

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From the time a patient consents to participate in the trial until he/she has completed the trial.
    Assessment type
    Non-systematic
    Dictionary used for adverse event reporting
    Dictionary name
    CTCAE
    Dictionary version
    4.0
    Reporting groups
    Reporting group title
    Treatment period
    Reporting group description
    -

    Serious adverse events
    Treatment period
    Total subjects affected by serious adverse events
         subjects affected / exposed
    6 / 75 (8.00%)
         number of deaths (all causes)
    0
         number of deaths resulting from adverse events
    0
    Nervous system disorders
    Stroke
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Psychiatric disorders
    Suicidal attempt with intoxication
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Influenza
    Additional description: This is reported as Upper respiratory infection in Appendix III, Safety assessment.
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Cholangitis
    Additional description: This is reported as Biliary tract infection in Appendix III, Safety assessment.
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pyelonephritis
    Additional description: This is reported as Kidney infection in Appendix III, Safety assessment.
         subjects affected / exposed
    2 / 75 (2.67%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 0%
    Non-serious adverse events
    Treatment period
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    47 / 75 (62.67%)
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Neoplasms benign, malignant and unspecified (incl cysts and polyps), other: Pituitary adenoma benign
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Vascular disorders
    Flushing
         subjects affected / exposed
    2 / 75 (2.67%)
         occurrences all number
    2
    Surgical and medical procedures
    Surgical and medical procedures - other, Post LP headache/pains
         subjects affected / exposed
    13 / 75 (17.33%)
         occurrences all number
    13
    General disorders and administration site conditions
    Edema face
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Edema limbs
         subjects affected / exposed
    3 / 75 (4.00%)
         occurrences all number
    3
    Fatigue
         subjects affected / exposed
    3 / 75 (4.00%)
         occurrences all number
    3
    Fever
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Infusion related reaction
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Pain
         subjects affected / exposed
    2 / 75 (2.67%)
         occurrences all number
    2
    Immune system disorders
    Immune system disorder - other, itching
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Reproductive system and breast disorders
    Menorrhagia
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Respiratory, thoracic and mediastinal disorders
    Cough
         subjects affected / exposed
    2 / 75 (2.67%)
         occurrences all number
    2
    Dyspnea
         subjects affected / exposed
    2 / 75 (2.67%)
         occurrences all number
    2
    Respiratory, thoracic and mediastinal disorder - other, mycoplasma pneumoniae
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Psychiatric disorders
    Depression
         subjects affected / exposed
    2 / 75 (2.67%)
         occurrences all number
    2
    Investigations
    Alanine aminotransferase increased
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Alanine aminotransferase increased, Aspartate aminotransferase increased
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Weight gain
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Injury, poisoning and procedural complications
    Injury, poisoning and procedural complications - Other, Trauma shoulder due to fall
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Injury, poisoning and procedural complications - Other, Post traumatic knee pain
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Injury, poisoning and procedural complications - Other, Cruciate ligament injury
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Injury, poisoning and procedural complications - Other, Calf muscle rupture
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Cardiac disorders
    Cardiac disorder - other, tachycardia
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Nervous system disorders
    Dizziness
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Headache
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Neuralgia
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Ear and labyrinth disorders
    Vertigo
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Eye disorders
    Eye disorder - others, iritis, silent
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Eye disorders - other, macula hypertension with pigment dispersion syndrome (PDS)
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Dyspepsia
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Nausea
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Rectal hemorrhage
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Skin and subcutaneous tissue disorders
    Skin and sucutanous tissue disorders - other, hidradenitis
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Skin and sucutanous tissue disorders - other Rosacea
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Endocrine disorders
    Endocrine disorder - other, B12 deficiency
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Back pain
         subjects affected / exposed
    6 / 75 (8.00%)
         occurrences all number
    6
    Joint range of motion decreased
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Myalgia, Fever
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Musculoskeletal and connective tissue disorder - other, Hip pain
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Infections and infestations
    Cold
         subjects affected / exposed
    6 / 75 (8.00%)
         occurrences all number
    8
    Infection and infestations - other, herpes zoster ophtalmicus
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Infections and infestations - other, gastroenteritis
         subjects affected / exposed
    3 / 75 (4.00%)
         occurrences all number
    3
    Infections and infestations - other, erythema infectiosum
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Infections and infestations - other, herpes zoster
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Tooth infection
         subjects affected / exposed
    2 / 75 (2.67%)
         occurrences all number
    2
    Upper respiratory infection
         subjects affected / exposed
    12 / 75 (16.00%)
         occurrences all number
    12
    Upper respiratory infection, Cough, Sore throat
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Upper respiratory infection, Fever
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Upper respiratory tract infection
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Urinary tract infection
         subjects affected / exposed
    5 / 75 (6.67%)
         occurrences all number
    5
    Wound infection
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Vulval infection
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1
    Metabolism and nutrition disorders
    Hyperglycemia
         subjects affected / exposed
    1 / 75 (1.33%)
         occurrences all number
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? No

    Interruptions (globally)

    Were there any global interruptions to the trial? No

    Limitations and caveats

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

    Online references

    http://www.ncbi.nlm.nih.gov/pubmed/27780912
    http://www.ncbi.nlm.nih.gov/pubmed/27316241
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