StemCell Therapy

Arthritis pain supplements fare poorly in new study

Many people take glucosamine and chondroitin supplements for arthritis pain, but a controlled trial has found no evidence that the combination works. In fact, in this study, the placebo worked better.

Spanish researchers randomized 164 men and women with knee osteoarthritis to take a single daily dose of 1,500 milligrams of glucosamine and 1,200 of chondroitin, or an identical looking placebo. The study is in Arthritis & Rheumatology.

The researchers used a scale that shows 10 faces with increasingly pained expressions and asks patients which picture matches their degree of pain. People who took the medicines had a 19 percent reduction in pain scores after six months on the regimen. But those who took the placebo had a 33 percent reduction.

On scales measuring how well the knee worked, there was no difference between the treatment and control groups.

A lot of money is spent on these drugs, and people have thought they were useful to decrease pain and increase function, said the senior author, Dr. Gabriel Herrero-Beaumont, a professor of medicine at the Autonomous University of Madrid. But its difficult to demonstrate that they work. We have not found any kind of pharmacological effect of these drugs.

Nicholas Bakalar, The New York Times

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Health Short: Arthritis pain supplements fare poorly in new study - Sarasota Herald-Tribune

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