NCIt definition : A selective serotonin (5-HT) receptor antagonist, with potential antiemetic activity.
Upon administration, ramosetron selectively binds to and blocks the activity of 5-HT
subtype 3 (5-HT3) receptors located in the vagus nerve terminal and in the vomiting
center in the central nervous system (CNS), suppressing chemotherapy-induced nausea
and vomiting.;