The C.A.M. Report
Complementary and Alternative Medicine: Fair, Balanced, and to the Point
  • About this web log

    This blog is intended as an objective and dispassionate source of information on the latest CAM research. Since my background is in pharmacy and allopathic medicine, I view all CAM as advancing through the development pipeline to eventually become integrated into mainstream medical practice. Some will succeed while others fail. But all are treated fairly here.

  • About the author

    John Russo, Jr., PharmD, is president of The MedCom Resource, Inc. Previously, he was senior vice president of medical communications at www.Vicus.com, a complementary and alternative medicine website.

  • Common sense considerations

    The material on this weblog is for informational purposes. It is not medical advice or counsel. Be smart, consult your health professional before using CAM.

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    Nuritional supplements to treat age-related macular degeneration

    It’s a leading cause of visual loss in older adults and has limited treatment options.

    Researchers from the National Institutes of Health, in Bethesda, Maryland reviewed the evidence for using nutritional supplementation to treat age-related macular degeneration (AMD).

    Here’s what we know.

    • There are many studies of supplements to treat AMD
      • The Age-Related Eye Disease study (AREDS) is the only large and well-controlled study.
      • It showed a 25% beneficial effect of nutritional supplementation to reduce the risk of progression to advanced AMD in patients with intermediate or advanced AMD in 1 eye after 5 years of follow-up.
    • Based on these results, patients are recommended to take the AREDS formulation of anti-oxidants, zinc, and copper.
      • Vitamin C 500 mg
      • Vitamin E 400 IU
      • Beta-carotene 15 mg
      • Zinc 80 mg in the form of zinc oxide
      • Copper 2 mg in the form of cupric oxide

    The bottom line?

    There’s insufficient evidence to recommend routine nutritional supplementation in healthy adults in order to prevent the onset of AMD. However, concluded the authors, “Patients with intermediate risk of AMD or advanced AMD in 1 eye should consider taking AREDS-type supplements.”

    Last year, researchers from Harvard Medical School in Boston recommended that based on the results from their study, women at high risk of cardiovascular disease might reduce their risk of AMD by taking daily supplementation of folic acid, pyridoxine hydrochloride (vitamin B6), and cyanocobalamin (vitamin B12).

    3/11/10 18:34 JR

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