REPORT FROM THE 25TH CONGRESS OF THE EUROPEAN COMMITTEE FOR TREATMENT AND RESEARCH IN MULTIPLE SCLEROSIS (ECTRIMS) – AMSTERDAM, THE NETHERLANDS, OCTOBER 19-22, 2011 – The TEMSO phase III trial reported that oral teriflunomide 7 mg or 14 mg significantly reduced the annualized relapse rate compared to placebo (0.37 for either dose vs. 0.57; relative risk reduction 31%) (O’Connor et al. N Engl J Med 2011; 365: 1293-1303).
Confirmed disability progression was 21.7% with the 7-mg dose, 20.2% with the 14-mg dose and 27.3% with placebo, representing a 20.5% and 26.0% reduction respectively versus placebo. Side effects included diarrhea, nausea, hair thinning and elevated alanine aminotransferase (ALT) levels.