There is data from the lovely Dr. Steinman at Stanford to demonstrate that a percentage of people are in fact made worse by the CRABS, a percentage are unaffected, and a percentage are helped. He believes that now he can predict who will be helped and who will be harmed. Make no mistake, many people are made worse by interferon, aside from side effects.
They were deemed successful only in that they reduced measurable lesions on MRIs. In the end they did not ultimately have an effect on disability progression. And another thing -- forgive me if this is controversial, since I know this is a raging discussion in many places, but there are people who believe that the inflammation could in fact be a *good* thing and that suppressing it might not be desired -- in fact, SPMS is what happens when the inflammatory stage ends.
To sum up: I suggest that people do their own research and not rely on info handed out or sponsored by the pharma companies when it comes to their own meds.
Now to your point: What should you do after a Liberation? (Look at me, I'm going all German with the capital L!) You have got to be able to trust your doctor and have a good talk about this and a good discussion about how you are treating a serious, lifelong condition. If anything happens and you end up in the ER, that's the doctor who will be in charge of your care, and you need to be on the same page.
There are so many options! The best thing is to try to get objective info. Everyone has great, well-meant ideas, and I am no exception. But I would remind you that the source of the info needs to be investigated. I have been amazed by TIMS and the great info here. If you haven't done so already, check out the different forums that go over the various options -- meds, l;ifestyle, nutrition, etc. -- which is about the best overview of the treatments available you might get on any forum. Take your time, do your reseach, ask questions, see what you think for yourself!
Take care of yourself, and best of everything!