Gepirone

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Gepirone, sold under the brand name Exxua, is a medication used for the treatment of major depressive disorder. It is taken orally. Side effects of gepirone include dizziness, nausea, insomnia, abdominal pain, and dyspepsia (indigestion). Gepirone acts as a partial agonist of the serotonin 5-HT1A receptor. An active metabolite of gepirone, 1-(2-pyrimidinyl)piperazine, is an α2-adrenergic receptor antagonist. Gepirone is a member of the azapirone group of compounds. Gepirone was synthesized by Bristol-Myers Squibb in 1986 and was developed and marketed by Fabre-Kramer Pharmaceuticals. It was approved for the treatment of major depressive disorder in the United States in September 2023. This came after the drug had been rejected by the Food and Drug Administration (FDA) three times over two decades due to insufficient evidence of effectiveness.