Journal
MULTIPLE SCLEROSIS JOURNAL
Volume 20, Issue 6, Pages 705-716Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1352458513507821
Keywords
teriflunomide; pharmacologic therapy; disease-modifying therapy; relapsing-remitting; acute relapsing; Multiple sclerosis
Categories
Funding
- Genzyme, a Sanofi company [NCT00883337]
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Background: In previous studies, teriflunomide significantly reduced the annualised relapse rate (ARR) and disability progression. Objective: This phase 3, rater-blinded study (NCT00883337) compared teriflunomide with interferon-beta-1a (IFN beta-1a). Methods: Patients with relapsing multiple sclerosis were randomised (1:1:1) to oral teriflunomide 7-or 14mg, or subcutaneous IFN beta-1a 44 mu g. The primary composite endpoint was time to failure, defined as first occurrence of confirmed relapse or permanent treatment discontinuation for any cause. Secondary endpoints included ARR, Fatigue Impact Scale (FIS) and Treatment Satisfaction Questionnaire for Medication (TSQM). The study was completed 48 weeks after the last patient was randomised. Results: Some 324 patients were randomised (IFN beta-1a: 104; teriflunomide 7 mg: 109; teriflunomide 14 mg: 111). No difference in time to failure was observed. There was no difference in ARR between teriflunomide 14 mg and IFN beta-1a, but ARR was significantly higher with teriflunomide 7 mg. FIS scores indicated more frequent fatigue with IFN beta-1a, though differences were only significant with teriflunomide 7 mg. TSQM scores were significantly higher with teriflunomide. There were no unexpected safety findings. Conclusion: Effects on time to failure were comparable between teriflunomide and IFN beta-1a. There was no difference between teriflunomide 14 mg and IFN beta-1a on ARR, though ARR was higher with teriflunomide 7 mg. The teriflunomide safety profile was consistent with previous studies.
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