Tedisamil (dihydrochloride)

Tedisamil (KC-8857) dihydrochloride is an antiarrhythmic compound with important biological activities. Tedisamil dihydrochloride exhibits a significant slowing effect on heart rate, which is achieved by inhibiting the transient outward potassium current (I (to) ) in the atrium. Tedisamil dihydrochloride inhibits multiple potassium currents, including IK, K (ATP), and PKA-activated chloride channels, thereby prolonging the cardiac action potential and QT interval, and increasing cardiac reentry. Tedisamil dihydrochloride has antiarrhythmic effects on ventricular arrhythmias and atrial flutter in animal models[1].