Halofantrine hydrochloride is a blocker of delayed rectifier potassium current. Halofantrine hydrochloride also via the inhibition of the human-ether-a-go-go-relatedgene (HERG) channel and a potent antimalarial agent.
AZSMO-23 is the humanether-a-go-go-relatedgene (hERG)-encoded potassium channel activator that acts by blocking hKv4.3-hKChIP2.2, hCav3.2, and hKv1.5 and activating hCav1.2/β2/α2δ.