Granisetron

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** An indazole derivative with antiemetic properties. As a selective serotonin receptor antagonist, granisetron competitively blocks the action of serotonin at 5-hydroxytryptamine3 (5-HT3) receptors, resulting in the suppression of chemotherapy- and radiotherapy-induced nausea and vomiting.

**Synonyms:** - 1-Methyl-N-(9-methyl-endo-9-azabicyclo(3.3.1)non-3-yl)-1H-indazole-3-carboxamide - GRANISETRON - granisetron