Today New England Journal of Medicine makes public the results of a large clinical trial with more than a thousand patients comparing results of teriflunomide against placebo in MS.

Results are not spectacular, but not bad. It decreased a 30% the annualized relapse rate and reduced the rate of disability progression slightly. The best point in favour of teriflunomide is the adverse reactions profile, comparable to that of placebo. That, together with it being oral, makes it a perfect candidate for first-line therapy and likely to be suitable for a combination trial with interferons/glatiramer acetate. Another good point in favour of teriflunomide is that it shows effectiveness in a 2-year trial, which makes results stronger.

It’s the third oral treatment showing good results in a phase III trial in MS and, probably, the second one to be approved. Fingolimod is already being used in the USA, and has been approved in Europe, but it scares a little bit and that will play against it when teriflunomide comes out. The third one, cladribine, is at serious risk of being left aside. Moreover, a fourth one, Laquinimod, will be another safe option for first-line therapy in a while although phase III data are still pending.

In a few months we’ll have, at least, two oral therapies for MS that will broaden the therapeutic options and will allow to switch patients to safe, tolerable options that, to date, were restricted to painful injected treatments or powerful (but scaring) drugs.

Hope teriflunomide approval and commercialization does not take the long, shameful process that Fingolimod is suffering. In February 2010 results were published… and here we still have to give excuses to patients…

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