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Progressive axonal loss is the most likely pathologic correlate of irreversible neurologic impairment in primary progressive multiple sclerosis. In a run-in versus treatment trial, we show that the neuroprotective agent riluzole seems to reduce the rate of cervical cord atrophy and the development of hypointense T1 brain lesions on magnetic resonance imaging.
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Kalkers et al. (2002) studied this question.
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