Eltoprazine (DU-28,853) is a drug of the phenylpiperazine class which is a serenic or antiaggressive agent. It acts as an agonist at the 5-HT1A and 5-HT1B receptors and as an antagonist at the 5-HT2C receptor. It is closely related to fluprazine and batoprazine, which are similarly acting drugs. == See also == ...