Arteether

Arteether, a new antimalarial drug.(In Vitro):The antimalarial activity of Artemotil is test in vitro against chloroquine-resistant and chloroquine-sensitive Plasmodium falciparum parasites. The mean 50% inhibitory concentration (IC50) for Artemotil is 1.61 nM (range 1.57-1.92 nM). Artemotil is approximately 2.5-fold more potent than artemisinin.(In Vivo):Artemotil treatment (25 mg/kg; intravenous injection; daily; for 7 days; Sprague-Dawley male rats) shows anorectic toxicity and causes significant reductions in food consumption and body weight after day 2. AUC on day 7 is 5-fold higher than AUC on day 1. The elimination t1/2 of Artemotil is also prolonged from 13.7 hours (day 1) to 31.2 hours (day 7).