NCI Drug Dictionary

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.

senna fruit
The fruit of Cassia acutifolia and Cassia angustifolia (Cassia) with laxative and purgative activities. The active ingredients in senna fruit include the hydroxyanthracene glycosides sennosides A and B (rhein dianthrones) and sennosides C and D (rhein aloe-emodin heterodianthrones). Sennosides irritate the bowel lining and stimulate the bowel muscular coat, particularly in the colon, resulting in accelerated bowel transit and evacuation. Check for active clinical trials using this agent. (NCI Thesaurus)