Well, one having a good deal of public scrutiny at the moment is the one used by both Stratton and Sriram (a clinical microbiologist and a neurologist respectively) at Vanderbilt University and by David Wheldon (another clinical microbiologist) in the UK. A good overview may be seen here:
An Itinerary in Light and Shadow Completed Dr Charles Stratton / Dr David Wheldon abx regime for aggressive secondary progressive MS in June 2007, after four years. Still improving with no relapses since starting. Can't run but can paint all day.