ACOR » Topics » Figure 4. The average percent change from baseline in walking speed.

This excerpt taken from the ACOR 10-K filed Mar 31, 2006.
Figure 4. The average percent change from baseline in walking speed.


The graph depicts the average change in walking speed during the treatment period for study MS-F202, comparing Fampridine-SR-treated responders to the placebo-treated group. Differences between the groups were statistically significant (p<0.001) at all visits.

In MS-F202, subjects were required to fill out the MSWS-12 questionnaire. When the results of this questionnaire were analyzed for all evaluable subjects, the average improvement, or reduction in score, during the treatment period was greater for responders than for non-responders, in each case including those subjects on placebo, and the difference was statistically significant. These results are shown in Figure 5. Similarly, a statistically significant difference was seen in the Subject Global Impression (SGI) scores between the responder and non-responder groups, indicating that the responder subjects as a group felt more positively about the effects of the medication they were taking. The SGI is a seven-point scale (from “terrible”  to “delighted”) in which trial participants rated how they felt about the overall effect of the trial drug. We believe these results demonstrate that being a timed-walk responder is clinically meaningful to patients.

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