The first U.S. multicenter study to investigate glucosamine and chondroitin, two dietary supplements widely marketed in the United States as effective natural remedies for osteoarthritis (OA), is about to begin. In September 1999, the National Center for Complementary and Alternative Medicine (NCCAM) in collaboration with the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) announced a contract award to the University of Utah to determine conclusively whether glucosamine or chondroitin are more effective than placebo for treating knee pain associated with OA. The study is now enrolling participants.
2000 Press Releases
Dietary use of garlic may lower some types of cholesterol in the short term, but it does not appear to offer long-term protection against cardiovascular disease, says a new evidence report released today by the Agency for Healthcare Research and Quality (AHRQ). Garlic may help to reduce low-density lipids (LDL), or “bad” cholesterol, and triglycerides. However, the evidence is only for short-term (1 to 3 months) effects. The long-term benefits have not been determined.
Researchers at the National Institutes of Health Clinical Center have demonstrated that a widely used herbal product—St. John’s wort—could significantly compromise the effectiveness of an antiviral drug often prescribed to treat HIV infection.