NCI Drug Dictionary

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The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

green tea
Tea derived from the dried leaves of the plant Camellia sinensis with potential antioxidant, chemopreventive, and lipid-lowering activities. Green tea contains polyphenols that may be responsible for its chemopreventive effect. The polyphenol fraction contains mainly epigallocatechin-3-gallate (EGCG) and other catechins, such as epicatechin (EC), gallocatechin gallate (GCG), epigallocatechin (EGC), and epicatechin gallate (ECG). Green tea polyphenols act as antioxidants and free radical scavengers and may affect enzymes involved in cellular replication and tumor angiogenesis by modulating angiogenic factors, such as vascular endothelial growth factor (VEGF). Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)