Overview A Study to Evaluate the Effects of Cannabis Based Medicine in Patients With Pain of Neurological Origin Status: Completed Trial end date: 2002-08-01 Target enrollment: Participant gender: Summary To investigate the ability of a cannabis based medicine extract to relieve chronic refractory pain of neurological origin. Phase: Phase 3 Details Lead Sponsor: GW Pharmaceuticals Ltd.Treatments: DronabinolNabiximols