Conditions: Multiple Sclerosis
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 160
Healthy volunteers: no

Brief summary:
A study to compare the efficacy of GW-1000-02 \[named Sativex® in Canada and also named Sativex® Oromucosal Spray\] with placebo in relieving five key symptoms of Multiple Sclerosis after six weeks of therapy.

Detailed description:
Eligible subjects entered a one to two week baseline period; followed by a six week double blind, randomised, parallel group comparison of GW-1000-02 with placebo, self-titrated to symptom resolution or maximum tolerated dose. Existing medication continued at a constant dose.

Primary efficacy comparisons were made between symptom scores recorded during baseline and scores recorded at the end of the parallel group period.

Arms:
arm 1: Active treatment arm 2: Control

Interventions: intervention 1: GW-1000-02 intervention 2: Placebo
Intervention descriptions: intervention 1: Containing THC (27 mg/ml):CBD (25 mg/ml), in ethanol:propylene glycol (50:50) excipients, with peppermint oil (0.05%) flavouring. The maximum permitted dose of study medication was eight actuations (22 mg THC and 20 mg CBD) in any three hour period, and 48 actuations (130 mg THC and 120 mg CBD) in any 24 hour period. intervention 2: Each actuation of placebo delivered the excipients only.

Protocol document: