http://summaries.cochrane.org/CD009903/the-more-popularly-known-liberation-procedure-for-treatment-of-venous-stenoses-ccsvi-in-the-brain-of-ms-sufferers
We have made recommendations for future research which take into consideration the urgency of resolving remaining uncertainties and provide a clear and definitive steer for the nature of outcomes that are relevant to people with MS. Three people with MS are among the authors, of which one had the treatment.
If you are interested to read the whole review, contact me Esther e.j.van_zuuren@lumc.nl