Memantin hæmmede ikke CYP 1A2, 2A6, 2C9, 2D6, 2E1, 3A, flavin indeholdende monoxygenase, epoxid hydrolase eller sulfatering in vitro.
Memantine did not inhibit CYP 1A2, 2A6, 2C9, 2D6, 2E1, 3A, flavin containing monooxygenase, epoxide hydrolase or sulphation in vitro.