Clozapine-Induced DRESS Syndrome: A Case Series From the AMSP Multicenter Drug Safety Surveillance Project.

Drug reaction with eosinophilia and systemic symptoms (DRESS) is an infrequent, but severe, adverse drug-induced reaction which occurs due to massive T-cell stimulation resulting in cytotoxicity and eosinophil activation and recruitment. The incidence is 0.4 cases per 100, 0000 in the general population; the mortality rate is up to 10%. Therefore, we believe that recognizing this syndrome is of particular importance. The problem we notice is that DRESS is often seen and described in patients receiving rheumatologic or anticonvulsant drugs, but very rarely in psychiatric hospitals, where Clozapine is frequently used, and that is the importance of this paper. DRESS Syndrome must be recognized promptly, and causative drugs withdrawn. Indeed, it has been reported that the earlier the drug withdrawal, the better the prognosis. In this paper, we present three cases of Clozapine-induced DRESS. All cases were recorded in the Multicenter Drug Safety Surveillance Project (AMSP).

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Déclaration de conflit d'intérêts

S. Toto is a project manager of AMSP, has been a member of an advisory board for Otsouka and has received speaker´s honoria from Janssen Cilag, Lundbeck, Otsouka and Servier