Marijuana Pill Relieves MS and RSD/CRPS Symptoms Plus Pain

October 11, 2012 | Posted in , , , | 0

RSD/CRPS patients are constantly searching for innovative treatments and approaches to relieve the high levels of pain their bodies are in motivating modern medicine to continue to look at and research alternative approaches.

Marijuana extract pills may ease painful muscle stiffness and nerve pain for some patients, a randomized trial affirmed.

A clinically meaningful reduction in perceived stiffness occurred in 29% of patients taking the cannabis extract, which was nearly double the 16% rate with placebo (P=0.004), John Peter Zajicek, PhD, of the University of Plymouth, England, and colleagues found in the MUSEC trial.

Bodily pain, spasms, and other outcomes also favored the cannabinoids, they reported online in the Journal of Neurology, Neurosurgery & Psychiatry. Prior studies have shown significant objective reduction in spasticity with smoked marijuana, but only subjective improvements with cannabis extracts. Nevertheless, a small percentage of multiple sclerosis patients use medical marijuana for relief of symptoms, among which muscle stiffness is highly common, affecting up to 90% of patients at some point in the course of the disease.

Current symptomatic therapy often provides inadequate relief and may be limited by toxicity. As a consequence, people with MS and RSD/CRPS have experimented with many alternative therapies to ease their physical problems, including cannabis.

The National Society has cautioned that there’s just not enough evidence to recommend marijuana or its derivatives for treating symptoms and that these do carry side effects. The fact that marijuana is an illegal drug in many states and by federal statute further complicates the issue.

The MUSEC trial included 279 British patients with stable MS randomized to double-blind treatment with capsules containing Cannabis sativa extract standardized to contain 0.8 to 1.8 mg of cannabidiol and 2.5 mg of tetrahydrocannabinol (THC) or a matched placebo.

After 12 weeks, the primary outcome of patient-reported feeling of their muscle stiffness being better or very much better compared with the premeditation phase was 2.26-fold more likely with the active treatment than with placebo (a category 0 to 3 rating on the 11-point scale).

The results didn’t vary by how severe the muscle stiffness was at baseline, whether patients were able to walk, or use of anti-spasticity or analgesic medication, although patients not on anti-spasticity medications saw the biggest benefit of the cannabis extract (38% responders versus 16% with placebo). Self-reported relief from stiffness also was better at 4 and 8 weeks of treatment.

More patients also reported feeling relief with the cannabis pills than with placebo for muscle spasms (31% versus 13% at week 12, P<0.0025) and sleep quality (34% versus 19%, P<0.005).

Relief from bodily pain was more common with the active treatment over the first 8 weeks but the advantage over placebo didn’t reach statistical significance at week 12 (28% versus 19%). The improvement in pain ratings, though, was significant at the end of the study, with a reduction of 1.2 versus 0.3 points with placebo on the 11-point scale compared with baseline (P<0.025). Overall symptom ratings and the effect of spasticity on body movement also showed significantly greater improvements in the active treatment group.

Side effects in the trial were more common overall with the marijuana extract and many of those that occurred more often with it were associated with the “high” feeling from the drug — dizziness, disturbance in attention, balance problems, somnolence, dry mouth, nausea, diarrhea, fatigue, asthenia, feeling abnormal, urinary tract infection, disorientation, confusion, and falls. However, the biggest difference in adverse event rates occurred during the titration phase of the study “and can reasonably be attributed to the fast dose escalation,” the investigators suggested.

Action Points: Journal of Neurology, Neurosurgery & Psychiatry

  • Marijuana extract pills may ease painful muscle stiffness for some patients with multiple sclerosis and RSD/CRPS
  • Note that bodily pain, spasms, and other outcomes also favored those who took the cannabinoid extract.
  • Explain to interested patients that there is interest in the use of cannabis extracts to treat some of the symptoms of multiple sclerosis and RSD/CRPS, but concern about psychotropic side effects has led to studies of a combination of compounds.
  • Note that this systematic review found that a combination of two cannabis extracts appeared to reduce subjective impressions of MS-related spasticity and RSD/CRPS, although significant objective improvements were not seen

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