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

    This blog ran from 2006 to 2016 and was 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, 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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    Treating precancerous lesions with green tea

    green_teaPatients at high-risk for cancer of the mouth based on the appearance of leukoplakia — white plaque that doesn’t rub off and can’t be clinically identified as another entity — were studied by researchers in Texas and Japan.

    First, the details.

    • 39 patients with high-risk oral premalignant lesions were randomly assigned to receive green tea extract at 500, 750, or 1,000 mg/m2 or placebo 3 times daily for 12 weeks.

    And, the results.

    • There was a significantly better clinical response (it looked better) to the 2 higher-doses of green tea extract compared to placebo.
    • Green tea extract was well tolerated, although higher doses increased insomnia and nervousness.

    The bottom line?
    Lots of laboratory studies were done but they present a confusing picture about just what’s happening when taking green tea extract.

    Regardless, the authors concluded that higher doses of green tea extract might improve the outcome of oral premalignant lesions at least in the short term.

    More study is needed.

    11/7/09 18:46 JR

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