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Related Experiment Videos

Potential for chemoprevention

J J DeCosse

    Cancer
    |December 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Chemopreventive agents, both natural and synthetic, show promise in preventing or reversing cancer stages. Human trials are underway, with retinoids and ascorbic acid demonstrating effectiveness in specific conditions.

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    Area of Science:

    • Oncology
    • Pharmacology

    Background:

    • Chemopreventive agents are compounds used to prevent, inhibit, or reverse carcinogenesis.
    • These agents can be natural (e.g., vitamins, indoles, flavones) or synthetic (e.g., retinoids, antioxidants).

    Purpose of the Study:

    • To review the mechanisms and efficacy of chemopreventive agents in cancer prevention.
    • To highlight findings from in vitro, in vivo, and early human trials.

    Main Methods:

    • Review of scientific literature on chemopreventive agents.
    • Analysis of in vitro and in vivo tumor model studies.
    • Examination of data from ongoing human clinical trials.

    Main Results:

    • Chemopreventive agents exhibit diverse mechanisms, including immune stimulation, gene suppression, carcinogen detoxification, and blocking oxidative DNA damage.

    Related Experiment Videos

  • Retinoids show effectiveness against proliferative skin tumors.
  • Ascorbic acid demonstrated a modest suppressive effect on rectal adenomas in polyposis patients.
  • 13-cis-retinoic acid shows potential in modifying oral leukoplakia.

    • Conclusions:

    • Chemopreventive agents offer a promising strategy for cancer control.
    • Further human trials are crucial to establish the clinical utility of these agents.