See...your data is skewed because of the small study. It looks way worse.

You can call JH and they will confirm this:

All 9 of the patients stopped progressing over the 2 years even though some of them did need to be retreated. 7 of the 9 over the 2 years improved in all MS testings. The 2 that didn't improve, but got no worse, were late SPMS /PPMS. ( I hate those terms)

All 9 in that first trial stabilized, some after retreating. 7 of the 9 folks got better to some degree. Most were EDSS of 6 and after 2 years were close to a 3. They learned a valuable lesson about axonal death and neutrophils and the correlation with MS cells because of two of the folk who needed to be retreated in this trial.