Nicardipine hydrochloride

Nicardipine (YC-93) is a calcium channel blocker that has been widely used to control blood pressure in severe hypertension following events such as ischemic stroke, traumatic brain injury, and intracerebral hemorrhage.Hypertension Phase 3 Clinical (In Vitro) :Nicardipine (0.1-10 μM; 24-48 h) reduces viability and proliferation of vascular smooth muscle cells (VSMCs) and inhibits their ability to migrate. (In Vivo) :Nicardipine (0.3-10 mg/kg; p.o.) shows antihypertensive properties.LD50s of Nicardipine are 643 mg/kg (oral) and 557 mg/kg (oral) ; 18.1 mg/kg (intravenous) 25.0 mg/kg (intravenous) ; 735 mg/kg (subcutaneous) and 683 mg/kg (subcutaneous) ; 171 mg/kg (intraperitoneally) and 155 mg/kg (intraperitoneally) for male and female Sprague-Dawley rats, respectively.LD50s of Nicardipine are 187 mg/kg (oral) and 15.5 mg/kg (intravenous) for male Wistar rats, respectively.LD50s of Nicardipine are 634 mg/kg (oral) and 650 mg/kg (oral) ; 20.7 mg/kg (intravenous) 19.9 mg/kg (intravenous) ; 540 mg/kg (subcutaneous) and 710 mg/kg (subcutaneous) ; 144 mg/kg (intraperitoneally) and 161 mg/kg (intraperitoneally) for male and female mice, respectively.