Thanks for that.

Quote:

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Can MS be cured?
Not yet. There are now FDA-approved medications that have been shown to "modify" the course of MS by limiting new areas of damage in the CNS, reducing the number of relapses and delaying progression of disability. In addition, many therapeutic and technological advances are helping with more effective symptom management.

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So it seems that limiting new areas of damage may only be possible, not reversal of damage. Makes sense, but sad for those patients.

I wonder if the same holds true for Alzheimer's -- in which case I wonder how a short-duration trial could prove efficacy if progression has to be measured.