| Cohort () | Baseline-Gadolinium lesion Total count | Day 28—Gadolinium lesion Total count | Day 28—New Gadolinium lesion count | Day 28—New and Enlarging T2 lesion count | Mean | (min, max) | Mean | (min max) | Mean | (min max) | Mean | (min max) |
| Placebo (11) | 1.6 | (0, 9) | 1.4 | (0, 8) | 0.6 | (0, 2) | 0.5 | (0, 3) | 2 mg dose (4) | 0.8 | (0, 2) | 0.5 | (0, 2) | 0.5 | (0, 2) | 0.8 | (0, 2) | 6 mg dose (7) | 0.9 | (0, 4) | 0.4 | (0, 2) | 0.0 | (0, 0) | 0.1 | (0, 1) | 20 mg dose (4) | 0.0 | (0, 0) | 0.3 | (0, 1) | 0.3 | (0, 1) | 0.3 | (0, 1) | 60 mg (4) | 0.3 | (0, 1) | 0.3 | (0, 1) | 0.0 | (0, 0) | 0.0 | (0, 0) | 100 mg (1) | 1.0 | (1, 1) | 0.0 | (0, 0) | 0.0 | (0, 0) | 0.0 | (0, 0) | 200 mg (3) | 0.0 | (0, 0) | 0.0 | (0, 0) | 0.0 | (0, 0) | 0.0 | (0, 0) |
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