Conditions: Pain Peripheral Neuropathy
Keywords: Pain Peripheral Neuropathy Allodynia
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 246
Healthy volunteers: no

Brief summary:
The purpose of this study is to evaluate the efficacy of Sativex® compared with placebo in relieving peripheral neuropathic pain associated with allodynia.

Detailed description:
This was a 15 week (one week baseline and fourteen weeks treatment period), multicentre, double blind, randomised, placebo controlled, parallel group study to evaluate the efficacy of Sativex® in subjects with PNP, associated with allodynia. Subjects were screened to determine eligibility and completed a seven-day baseline period. Subjects then returned to the centre for assessment, randomisation and dose introduction. Visits occurred at the end of weeks two, six, ten and at the end of the study (treatment week 14) or earlier if they withdrew. A follow up visit occurred 28 days after completion or withdrawal. Subjects in this study were given the opportunity to be enrolled in an open label extension study.

Arms:
arm 1: None arm 2: None

Interventions: intervention 1: Sativex 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. Maximum permitted dose was eight actuations in any three hour period and 24 actuations (THC 65 mg: CBD 60 mg) in 24 hours intervention 2: containing peppermint oil, 0.05% (v/v), quinoline yellow, 0.005% (w/v), sunset yellow, 0.0025% (w/v), in ethanol:propylene glycol (50:50) excipient.

Protocol document: