Title
Effect of Cannabinoids on Spasticity and Neuropathic Pain in Spinal Cord Injured Persons
A Randomized Double-Blinded Crossover Trial Assessing the Effect of Cannabinoids on Spasticity and Neuropathic Pain in Spinal Cord Injured Persons
Phase
Phase 2Lead Sponsor
University of ManitobaStudy Type
InterventionalStatus
Completed No Results PostedIndication/Condition
Muscle Spasticity as a Result of Spinal Cord InjuryIntervention/Treatment
nabilone ...Study Participants
12This study is being conducted to study the effect of nabilone (a synthetic cannabinoid)on spasticity in spinal cord injured persons.The study will be a phase 2, randomized, placebo-controlled crossover study. Each eligible subject will participate for 26 weeks.Subjects will be randomized to receive either nabilone or placebo during phase 1 of the study. Study drug will be titrated up from 0.5mg daily to a maximum of 3.0 mg daily over the first 11-week phase. Following a 4-week washout period, subjects will be crossed-over to the opposite arm for another 11 week treatment period (phase 2).
nabilone 0.5 mg tablets od titrated to a maximum daily dose of 3mg po over an 11-week phase
placebo 0.5 mg po daily, dose titrated to a maximum daily dose of 3.0mg po over an 11-week phase
nabilone 0.5 mg tablets dose-titrated over an 11-week period to a maximum of 3mg po daily. Subjects are allowed to drop back to the previous dose following a dose increase once if required
look-alike 0.5 mg placebo tablets titrated to a maximum daily dose of 3.0 mg daily over an 11-week phase. Subjects are allowed to drop back to the previous dose following a dose increase once during the 11-week phase if required
Inclusion Criteria: Spinal Cord Injury 12 months post -injury C2-T12, ASIA A-D, stable level of injury moderate to severe spasticity or moderate to severe neuropathic pain no cognitive impairment spasticity medications unchanged for at least 30 days or inadequate pain control at a stabilized dose of either gabapentin or pregabalin for at least 30 days no botulinum toxin injections x 6 months Exclusion Criteria: significant cardiovascular disease major illness in another body area history of psychological disorders or predisposition to psychosis sensitivity to cannabinoids severe liver disfunction history of drug dependancy fixed tendon contractures used cannabis in the past 30 days unwilling to refrain from smoking cannabis during the study pregnant or nursing mother