knee exercise

A topical cream containing glucosamine and chondroitin sulphate reduced joint pain in osteoarthritis of the knee

Cohen, M. Wolfe, R. Mai, T. Lewis, D. Evid. Based Med. 2003;8;154

ABSTRACT

OBJECTIVE:

To assess the ability of a topical preparation of glucosamine sulfate and chondroitin sulfate to reduce pain related to osteoarthritis (OA) of the knee.

METHODS:

Sixty-three patients were randomized to receive either a topical glucosamine and chondroitin preparation or placebo to be used as required over an 8 week period. Efficacy was assessed using a visual analog scale (VAS) for pain as well as the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and the SF-36 questionnaire.

RESULTS:

VAS scores indicated a greater mean reduction in pain for the glucosamine/chondroitin preparation group (mean change -3.4 cm, SD 2.6 cm) compared to the placebo group (mean change -1.6 cm, SD 2.7 cm) after 8 weeks. After 4 weeks the difference between active and placebo groups in their mean reduction from baseline was 1.2 (95% CI 0.1 to 2.4, p = 0.03) and after 8 weeks was 1.8 (95% CI for difference between groups, 0.6 to 2.9 cm; p = 0.002).

CONCLUSION:

Topical application of glucosamine and chondroitin sulfate is effective in relieving the pain from OA of the knee and improvement is evident within 4 weeks.

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Trial for Osteoarthritis

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A Mysterious Trial of Topical Glucosamine/Chondroitin Complementary Therapies: Book Review