Secondary Outcome(s)
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Functional scores
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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EDSS score
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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Immunology
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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Paced Auditory Serial Addition Test (PASAT)
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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Optical coherence tomography (OCT)
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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Total brain volume in MRI
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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25-feet timed walking
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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9-hole peg test
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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Ambulation score
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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Single injection vs. repeated MSCs injection
[Time Frame: 12 months: ie the total duration of the trial]
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T2-weighted flair lesions load in MRI
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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Relapse rate
[Time Frame: 12 months: ie the total duration of the trial]
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Cognitive function: Controlled Oral Word Association Test (COWAT)
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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Functional MRI
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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Gadolinium enhancing lesions in MRI
[Time Frame: 6 months for each treatment cycle; the two cycles (each of 6 months duration) will be combined together and provide a single measurement for each group]
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