At doses greater than 7.5 mg, significant improvement in patient ratings of spasticity compared to placebo.
Link: Delta-9-THC In The Treatment Of Spasticity Associated With Multiple Sclerosis
Year: 1987
DOI: 10.1300/J251v07n01_04
Likely probability of the efficacy of cannabis for treatment of Multiple Sclerosis (MS) according to the results found in this study.
THC oral 2.5–15 mg once or twice daily