HOE 33187 is primarily utilized in the field of pharmacology, particularly in research focused on cardiovascular diseases. Its application is centered around its role as a calcium channel blocker, which helps in studying the regulation of calcium ions in cellular processes. This compound is instrumental in experiments designed to understand and manage conditions like hypertension and angina, where calcium channel modulation is crucial. Additionally, HOE 33187 aids in the development of therapeutic agents that target calcium channels to treat various heart-related ailments. Its use in laboratory settings provides valuable insights into the mechanisms of action of calcium antagonists, contributing significantly to advancements in cardiovascular medicine.