Figure 5From: Protease inhibitor-induced nausea and vomiting is attenuated by a peripherally acting, opioid-receptor antagonist in a rat modelEffects of pretreatment with methylnaltrexone on kaolin intake induced by ritonavir in rats. Ritonavir-induced increase in kaolin intake was attenuated with methylnaltrexone in a dose-related manner (P < 0.01). Data are presented as mean ± SEM. n = 6–7 per group. MNTX, methylnaltrexone; RIT, ritonavir.Back to article page