Study of VSN16R for the Treatment of Spasticity in Multiple Sclerosis

Inclusion Criteria: * Have a confirmed diagnosis of MS * Have an Expanded Disability Status Scale (EDSS) ≤ than 6.5 at screening. * Spasticity due to MS of at least 3 months duration with minimum mean score of \>/=2 mASH Exclusion Criteria: * Acute MS relapse requiring treatment with steroids within 30 days of screening. * Initiation or discontinuation of MS disease modifying treatment (DMT) within 30 days of screening. * Receiving medications that would potentially interfere with the actions of the study medication or outcome variables * Significant renal and hepatic abnormalities * Previous history of other significant medical disorders