Status:

COMPLETED

Sativex Versus Placebo When Added to Existing Treatment for Central Neuropathic Pain in MS

Lead Sponsor:

GW Pharmaceuticals Ltd

Conditions:

Multiple Sclerosis

Eligibility:

All Genders

18+ years

Phase:

PHASE3

Brief Summary

The purpose of this study is to find out if cannabis-based medicine compared to a dummy medicine (placebo that contains no active ingredient) can help the central neuropathic pain patients experience ...

Detailed Description

GW has shown in phase II and III studies that Sativex has analgesic properties that are effective in relieving neuropathic pain. These studies suggested that Sativex is well tolerated and may also imp...

Eligibility Criteria

Inclusion

  • Any disease sub-type of MS of at least two years duration
  • Central neuropathic pain (CNP) of at least three months and expected to remain stable for the study duration
  • Moderate CNP defined by NRS pain score at baseline sum to at least 24
  • Subject established on or previously tried and failed analgesic therapy for CNP
  • If receiving disease modifying medications, stable dose for 3 months and maintained for study duration

Exclusion

  • Subjects whose identified pain is likely to be nociceptive, musculoskeletal (including spasms) peripheral neuropathic or psychogenic in origin, or due to trigeminal neuralgia.
  • Other non central neuropathic pain of a severity which is likely to interfere with the patients assessment of CNP
  • medical history suggests subject is likely to relapse/remit during course of study
  • history of schizophrenia (including family history), other psychotic illness, severe personality disorder or other significant psychiatric disorder other than depression associated with MS
  • known or suspected history of alcohol abuse, epilepsy or recurrent seizures or hypersensitivity to cannabinoids
  • travel outside of the country of residence planned during the study
  • significant cardiac, renal or hepatic impairment
  • subjects with current recreational cannabis, medicinal cannabis or synthetic cannabinoid based medications within 3 months prior to study entry and unwilling to abstain for the duration of the study

Key Trial Info

Start Date :

September 1 2006

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 1 2008

Estimated Enrollment :

339 Patients enrolled

Trial Details

Trial ID

NCT00391079

Start Date

September 1 2006

End Date

September 1 2008

Last Update

June 24 2013

Active Locations (6)

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Page 1 of 2 (6 locations)

1

Multiple Sclerosis Program, Foothills Hospital SSB

Calgary, Alberta, Canada, T2N 2T9

2

MS Clinic, UBC Purdy Pavilion

Vancouver, British Columbia, Canada, V6T 2B5

3

Dalhousie MS Research Clinic

Halifax, Nova Scotia, Canada, B3H 1V8

4

London Health Sciences Centre / University Hospital

London, Ontario, Canada, N6A 5A5