Meta-Analysis of the Related Nutritional Supplements Dimethyl Sulfoxide and Methylsulfonylmethane in the Treatment of Osteoarthritis of the Knee
2011

Effectiveness of DMSO and MSM for Knee Osteoarthritis Pain

Sample size: 326 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sarah Brien, Phil Prescott, George Lewith

Primary Institution: University of Southampton

Hypothesis

Do dimethyl sulfoxide (DMSO) and methylsulfonylmethane (MSM) effectively reduce pain in knee osteoarthritis?

Conclusion

The study found that DMSO and MSM do not significantly reduce pain in knee osteoarthritis compared to placebo.

Supporting Evidence

  • DMSO and MSM showed no significant clinical effectiveness in reducing knee pain.
  • Two studies showed statistically significant pain reduction, but it was not clinically relevant.
  • Current evidence suggests that these supplements are not effective for knee osteoarthritis.

Takeaway

This study looked at two supplements, DMSO and MSM, to see if they help with knee pain from arthritis. It turns out they don't really work better than a sugar pill.

Methodology

A meta-analysis of randomized controlled trials assessing the efficacy of DMSO and MSM in treating knee osteoarthritis pain.

Potential Biases

Potential publication bias was noted due to the variability in results among the studies.

Limitations

Only three trials were included, and there were concerns about inadequate treatment duration and dosing.

Participant Demographics

Patients with knee osteoarthritis, average age between 56 to 62 years.

Statistical Information

P-Value

0.043

Confidence Interval

−0.49 to 13.17

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1093/ecam/nep045

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication