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  1. Genetic screening for colorectal cancer and intervention.

    Article, Communication - En anglais

    Workshop "Genetic Screening for Colorectal Cancer". , 1995/04/10.

    There is a complex interaction between environmental/dietary factors and genetics underlying the pathogenesis of colon carcinogenesis.

    Little data exist concerning the impact of diet on the phenotypic expression of genetically linked colon cancer.

    As a result, it has been difficult to develop rationally designed dietary intervention studies in first-degree relatives of patients with established familial adenomatous polyposis (FAP), hereditary nonpolyposis colorectal cancer (HNPCC) and other familial colon cancer syndromes.

    Only 2 double-blinded, placebo-controlled trials have been published concerning the use of preventive strategies in patients with genetically inherited colorectal cancer syndromes, both in patients with FAP.

    One study evaluated the effects of vitamin C plus vitamin E with or without a high-dose wheat bran fiber supplement on the recurrence of rectal adenomas.

    Over a 48-month intervention period, only the wheat bran fiber intervention significantly reduced polyp growth.

    A second study reported that intervention with the NSAID sulindac for 9 months in young patients with FAP resulted in a significant reduction in both polyp number and size in the rectosigmoid colon.

    All of the large-scale (i. e,>500 randomized participants) phase III nutrient or chemopreventive agent intervention studies thus far have targeted participants with a history of non-familial, sporadic colorectal adenomas.

    Current clinical adenoma trials do not measure whether t...

    Mots-clés Pascal : Tumeur maligne, Côlon, Rectum, Prévention, Ascorbique acide, alpha-Tocophérol, Vitamine, Carotène, Nutrition, Fibre alimentaire, Fruit, Légume, Essai clinique phase III, Homme, Appareil digestif pathologie, Intestin pathologie, Côlon pathologie, Rectum pathologie, Chimioprophylaxie

    Mots-clés Pascal anglais : Malignant tumor, Colon, Rectum, Prevention, Ascorbic acid, alpha-Tocopherol, Vitamin, Carotene, Nutrition, Dietary fiber, Fruit, Vegetable, Phase III trial, Human, Digestive diseases, Intestinal disease, Colonic disease, Rectal disease, chemoprophylaxis

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 96-0211182

    Code Inist : 002B13B01. Création : 199608.