Procumbide is primarily used in cardiovascular research due to its positive inotropic effects on the heart. It enhances myocardial contractility without significantly increasing oxygen demand, making it a compound of interest in the study of heart failure treatments. Its mechanism involves modulation of calcium channels and inhibition of phosphodiesterase activity, leading to improved cardiac output. Procumbide has been investigated for potential therapeutic use in patients with systolic dysfunction, although it remains mainly a research tool rather than a clinically approved drug. It also serves as a reference compound in pharmacological studies evaluating cardiotonic agents.