Statistics from Altmetric.com
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.
QUESTION: What are the effectiveness and safety of cannabinoids for pain management?
Full publications of studies were identified by searching Medline (1966 to 1999), EMBASE/Excerpta Medica (1974 to 1999), the Oxford Pain Database (1950 to 1994), and the Cochrane Library (1999, Issue 3) with the terms marijuana, marihuana, mariuana, cannabis, cannabinoids, tetrahydrocannabinol (THC), delta-9-THC, nabilone, pain, analgesia, and random. Bibliographies of relevant studies were scanned.
Studies were selected if they were randomised controlled trials (RCTs) that compared cannabis or cannabinoids with an analgesic agent or placebo for pain management. Studies of experimental pain were excluded.
Data were extracted on study quality, interventions, and outcomes.
20 RCTs were identified, 9 of which met the selection criteria (222 patients). The types of cannabinoids used were oral delta-9-THC 5 to 10 mg; an oral synthetic nitrogen analogue of THC 4 mg; oral benzopyranoperidine 2 to 4 mg; and intramuscular levonantradol 1.5 to 3 mg. No study assessed cannabis or other inhaled or smoked cannabinoids. The other active treatment drugs were oral codeine 50 to 120 …