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Table 1 Definitions of prior MS treatment groups (core and extension analysis)

From: Prior treatment status: impact on the efficacy and safety of teriflunomide in multiple sclerosis

Group Definition Maximum time point available
Treatment naive Patients with no prior DMT or DMT > 2 years prior to randomization Year 13
Previously treated with another DMT Patients whose most recent prior DMT was discontinued > 6 months to 2 years prior to randomization Year 13
Recently treated with another DMT Patients whose most recent prior DMT was discontinued within 6 months prior to randomization (excluded patients who recently received teriflunomide 7 mg) Year 12
  1. DMT disease-modifying therapy
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