Flunarizine

Flunarizine (CAS No.: 52468-60-7) is recognized as an effective dual-channel Na+/Ca2+ blocker, while also possessing antagonistic activity that blocks D2 dopamine receptors, making it known in biomedical research for its anticonvulsant and anti-migraine properties. As an oral peripheral vasodilator, Flunarizine exhibits its biological effects by modulating voltage-gated ion channels. Although its precise mechanism of action remains a subject of extensive research, its ability to interfere with neuronal ion channel function and dopamine receptor signaling provides a valuable avenue for studying neurophysiological processes. Although specific in vitro activity parameters such as IC50 or EC50 have not been documented in detail, its effects have been observed in the nanomolar to micromolar range, enhancing its applicability in various experimental contexts. The actions of Flunarizine extend to cellular models and animal studies, where it serves as an important tool for exploring neuronal excitability and vasomotor responses. The concentrations or doses used in experiments typically depend on the specific experimental design and research objectives, thereby allowing a comprehensive interpretation of its pharmacodynamic and pharmacokinetic properties. This functional background information and its biological interactions establish the indispensable value of Flunarizine in drug discovery and neurological research.