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Cariprazine Add-on in Inadequate Clozapine Response: A Report on Two Cases
Domenico De Berardis1,2, Gabriella Rapini1, Luigi Olivieri1
1National Health Service, Department of Mental Health, Psychiatric Service of Diagnosis and Treatment, Hospital "G. Mazzini," Teramo, Italy.
Abstract:
Cariprazine is a novel antipsychotic drug that exerts partial agonism of dopamine D2/D3 receptors with preferential binding to the D3 receptor, antagonism of 5HT2B receptors, and partial agonism of 5HT1A. Currently, cariprazine has shown clinical efficacy in patients with schizophrenia and with bipolar disorder, as well as adjunctive treatment in patients with Major Depressive Disorder (MDD) and drug-resistant MDD. In the present case series, we report on two patients with treatment-resistant schizophrenia and partial response to clozapine who benefit from combination with cariprazine. The effects of cariprazine combination were remarkable also concerning the adverse metabolic effects of clozapine.
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