CCSVI has been proved to not be a cure at all for MS. There have been many who've had relief of some of their MS symptoms, but as far as disease progression goes, it doesn't touch it.

You mentioned T cells. T cells and B cells are what attack myelin. There are drugs that work on this mechanism that have been an excellent advancement in treating MS. They are monoclonal antibodies. Natalizumab (Tysabri) interrupts the ability of these inflammatory cells to pass through the BBB and attack; Rituximab (Rituxan) destroys B cells only and allows them to grow back, hopefully, healthy and not programmed to attack myelin; Alemtuzumab (Lemtrada) destroys B and T cells and, like Ritux, they will grow back without the message to attack myelin.

Tysabri is usually given by IV once a month.
Ritux is also usually given IV monthly.
Lemtrada is given over 5 consecutive days on year one, and over 3 consecutive days on year two. And that's it for most people.

In my humble opinion, these are the best drugs on the market to fight MS. I completed my five Lemtrada infusions for the year a couple of weeks ago.