Canadian Medical Guide > Chemicals and Drugs > Antineoplastic and Immunosuppressive Agents > Antineoplastic Agents > Anticarcinogenic Agents Terms and Definitions




Anticarcinogenic Agents

Medical Definition: Agents that reduce the frequency or rate of spontaneous or induced tumors independently of the mechanism involved. They differ from antineoplastic agents in that they prevent neoplasms from forming. The anticarcinogenic substances can be divided into three categories. The first consists of compounds that prevent the formation of carcinogens from precursor substances. The second group consists of "blocking agents" which inhibit carcinogenesis by preventing carcinogenic agents from reaching or reacting with critical target sites in the tissues. The third group is the "suppressor agents" which act by suppression of expression of neoplasia in cells previously exposed to carcinogens that would otherwise cause neoplasms.
Guide Notes: do not confuse with ANTINEOPLASTIC AGENTS which treat or affect cancer already developed while ANTICARCINOGENIC AGENTS prevent or reduce the development of cancer

Anticarcinogenic Agents Medical Definitions and Terms

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