A preliminary study of the effect of naldemedine tosylate on opioid-induced nausea and vomiting

Background Opioid-induced nausea and vomiting (OINV) is induced by opioid receptor stimulation of chemoreceptor trigger zones and vestibular apparatus by opioids. Naldemedine tosylate (NALD) is a peripherally acting non-selective opioid receptor antagonist, used for opioid-induced constipation (OIC). However, the effect of NALD on OINV had not yet been investigated. In this retrospective study, we investigated the secondary effects of NALD on OINV.