A Study to Evaluate the Efficacy, Safety and Tolerability of BMS-986368 in Participants With Multiple Sclerosis Spasticity

Inclusion Criteria * Participants must have a multiple sclerosis (MS) diagnosis. * Participants must have a history of spasticity due to MS for at least 6 months prior to Visit 1. * Participants must have a Modified Ashworth Scale (mAS) score ≥2 in each of 2 muscle groups (at least one muscle group in the leg, excluding ankle plantar flexors) at Visit 1. * Participants must have an Expanded Disability Status Scale (EDSS) score 3.0-6.5 at Visit 1. Exclusion Criteria * Participants must not have any concomitant disease or disorder that has symptoms of spasticity or that may influence the participant's level of spasticity. * Participants must not have an acute MS exacerbation/relapse requiring treatment or alteration in disease modifying drug dose within 3 months of Visit 1 or Visit 2. * Participants must not have a history of any substance abuse disorder as defined in Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) Diagnostic Criteria for Drug and Alcohol Abuse. * Participants must not be currently taking a medication for spasticity that cannot be discontinued and washed out by Visit 2. * Participants must not have used FAAH/MAGL inhibitor medication or any cannabinoid-related products (including cannabis, cannabidiol (CBD), or tetrahydrocannabinol (THC)) within 30 days prior to Visit 1. * Other protocol-defined Inclusion/Exclusion criteria apply.