[Cariprazine image courtesy of PubChem]
The dopamine D3 receptor-targeting cariprazine could potentially be a new tool for managing anhedonia, one of the most stubborn symptoms of major depressive disorder (MDD). Characterized by a lack of enjoyment in previously pleasurable activities, anhedonia has been “difficult to address with traditional antidepressants,” said Dr. Vladimir Maletic, coauthor of a poster presented at the U.S. Psych Congress annual meeting held earlier this month in Nashville.In a post hoc analysis focusing on the adjunctive use of AbbVie’s dopamine D-preferring D3/D2 cariprazine in MDD patients with an inadequate response to one to three antidepressant therapies, patients saw a notable improvement in overall depressive symptoms and, specifically, anhedonia symptoms. This improvement, measured with the Montgomery-Åsberg Depression Rating Scale (MADRS), was observable as early as week 2…