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ondansetron A carbazole derivative with antiemetic activity. As a selective serotonin receptor antagonist, ondansetron competitively blocks the action of serotonin at 5HT3 receptors, resulting in suppression of chemotherapy- and radiotherapy-induced nausea and vomiting. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
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US brand name: | ![](https://webarchive.library.unt.edu/eot2008/20081005062511im_/http://www.nci.nih.gov/images/spacer.gif) | Zofran | | ![](https://webarchive.library.unt.edu/eot2008/20081005062511im_/http://www.nci.nih.gov/images/spacer.gif) | Code names: | ![](https://webarchive.library.unt.edu/eot2008/20081005062511im_/http://www.nci.nih.gov/images/spacer.gif) | GR 38032F GR-C507/75 | | ![](https://webarchive.library.unt.edu/eot2008/20081005062511im_/http://www.nci.nih.gov/images/spacer.gif) |
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