Zacopride is a selective agonist with the activity of enhancing the inward rectifier potassium current (IK1) in rabbit hearts. Zacopride also exhibits significant antiarrhythmic effects, inhibiting ventricular arrhythmias by increasing IK1 without affecting atrial arrhythmias. Zacopride can hyperpolarize the resting membrane potential and shorten the action potential duration (APD) in a concentration-dependent manner. Zacopride significantly reduced the incidence of compound-induced early afterdepolarizations (EADs) at 1 μmol/L.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.