Daily News: Nutrition

Researchers at Fred Hutchinson Cancer Research Center Detail Findings in Colon Cancer

Cancer Weekly

06-13-14

By a News Reporter-Staff News Editor at Cancer Weekly -- A new study on Oncology is now available. According to news reporting originating from Seattle, Washington, by NewsRx correspondents, research stated, "Glucosamine and chondroitin are non-vitamin, non-mineral supplements which have anti-inflammatory properties. These supplements are typically used for joint pain and osteoarthritis and are commonly taken as either glucosamine alone or glucosamine plus chondroitin."

Our news editors obtained a quote from the research from Fred Hutchinson Cancer Research Center, "An exploratory analysis conducted within the VITamins And Lifestyle (VITAL) study observed any use of glucosamine and chondroitin to be associated with reduced risk of colorectal cancer (CRC) after 5 years of follow-up. With two additional years of follow-up, we have studied these associations in greater depth, including associations by frequency/duration of use and by formulation, and have evaluated whether observed associations are modified by factors associated with inflammation. Participants include 75,137 western Washington residents aged 50-76 who completed the mailed VITAL questionnaire between 2000 and 2002. Use of glucosamine and chondroitin was ascertained by questions about supplement use during the 10-year period prior to baseline, and participants were followed for CRC through 2008 (n=557). Cox regression was used to estimate hazard ratios (HRs) and 95 % confidence intervals (CIs). Persons reporting use of glucosamine + chondroitin on 4+ days/week for 3+ years had a non-statistically significant 45 % lower CRC risk than non-users (HR: 0.55; 95 % CI 0.30-1.01; p-trend: 0.16). This association varied by body mass index (p-interaction: 0.006), with inverse association observed among the overweight/obese (p-trend: 0.02), but not among the underweight/normal weight. Use of glucosamine alone was not significantly associated with CRC risk."

According to the news editors, the research concluded: "There is great need to identify safe and effective cancer preventive strategies, suggesting that glucosamine and chondroitin may merit further attention as a potential chemopreventive agent."

For more information on this research see: Use of glucosamine and chondroitin supplements and risk of colorectal cancer. Cancer Causes & Control, 2013;24(6):1137-46 (see also Oncology).

The news editors report that additional information may be obtained by contacting E.D. Kantor, Public Health Sciences Division, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, Mailbox M4-B402, Seattle, WA 98109, United States. Additional authors for this research include J.W. Lampe, U. Peters, D.D. Shen, T.L. Vaughan and E. White.

Keywords for this news article include: Seattle, Oncology, Washington, Colon Cancer, United States, Gastroenterology, Colorectal Cancer, Risk and Prevention, North and Central America.

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