1996
DOI: 10.1002/jcb.240630703
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New agents for cancer chemoprevention

Abstract: Clinical chemoprevention trials of more than 30 agents and agent combinations are now in progress or being planned.The most advanced agents are well known and are in large Phase III chemoprevention intervention trials or epidemiological studies. These drugs include several retinoids [e.g., retinol, retinyl palmitate, all-trum-retinoic acid, and 13-cis-retinoic acid], calcium, pcarotene, vitamin E, tamoxifen, and finaskride. Other newer agents are currently being evaluated in or being considered for Phase II an… Show more

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Cited by 82 publications
(52 citation statements)
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“…The considerable potential of such compounds as antiviral and anticancer drugs is apparent, and the activity of some selenodrugs based on an interaction with zinc-sulfur centers can be anticipated but has not been systematized (29)(30)(31).…”
Section: Discussionmentioning
confidence: 99%
“…The considerable potential of such compounds as antiviral and anticancer drugs is apparent, and the activity of some selenodrugs based on an interaction with zinc-sulfur centers can be anticipated but has not been systematized (29)(30)(31).…”
Section: Discussionmentioning
confidence: 99%
“…The importance of metabolism in carcinogenesis is highlighted by the fact that target organ specificity and even species susceptibilities can be determined by the presence or absence of metabolic pathways (2,3). A variety of chemicals protect rodents against neoplastic, mutagenic, and other toxic effects of many types of carcinogens (4,5). Some of these protective substances alter the metabolic fate of carcinogens by modulating the activities of either or both phase 1 and phase 2 drug-metabolizing enzymes.…”
mentioning
confidence: 99%
“…Retinoids have proven to be effective in suppressing breast cancer development in experimental models of carcinogenesis (Lotan 1980). In addition to breast cancer, retinoids have been shown to be effective in suppressing tumor development and/or treatment of cancers of the skin, oral cavity, lung, prostate, bladder, liver, and pancreas (Kelloff et al 1996;Lotan 1996). The biological effects of retinoids are thought to be mainly mediated through interactions with retinoic acid receptors (RARs) or retinoic X receptors (RXRs), which function as dimeric transcription factors modulating gene expression by binding to RA-response elements (RAREs or RXREs) in the promoter regions of target genes (Chambon 1996).…”
mentioning
confidence: 99%