"40693"^^ . "OndansetronPTNCI" . "C18H19N3O"^^ . "116002-70-1"^^ . . "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. (NCI04)NCI" . "ondansetronPTNCI-GLOSSCDR0000045309" . "Ondansetron"^^ . "The active ingredient in a drug used to treat nausea and vomiting caused by cancer treatment. Ondansetron is a type of serotonin receptor antagonist and a type of antiemetic.NCI-GLOSS" . "Organic Chemical"^^ . "Nausea, chemotherapy-induced"^^ . . _:b698140 . _:b698141 . . _:b698140 . _:b698141 . "Zofran ODTBRNCI" . "Ondansetron"^^ . "Pharmacologic Substance"^^ . . _:b698141 . "C0061851"^^ . _:b698140 . "ondansetronPTNCI-GLOSSCDR0000413961" . "FDA"^^ . . "99614-02-5"^^ . "4AF302ESOS"^^ . _:b698140 . "ONDANSETRONPTFDA4AF302ESOS" . "Ondansetron"^^ . "40693"^^ . . . _:b698141 . "Nausea and vomiting prophylaxis, chemotherapy-induced and postoperative"^^ . "C1119"^^ . .