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Tranquilizer/Anxiolytics: Buspirone

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NeuroPsychopharmacotherapy

Abstract

Buspirone was developed in 1968. It is an anxiolytic agent that is a member of the azaspirodecanedione that was approved for treatment of anxiety in 1986. It is rapidly absorbed and undergoes first-pass metabolism with several active metabolites. Its use is not recommended in severe hepatic and renal disease. The proposed mechanism of action is through partial agonism of the 5-HT1A receptors, notably lacking benzodiazepine or GABA affinity. The majority of clinical trials have been completed in generalized anxiety disorder (GAD), and a recent meta-analysis found buspirone to be more efficacious at reducing symptoms of anxiety than placebo. Clinical studies found buspirone to be well tolerated with the most common side effect being dizziness and nausea. Serious life-threatening side effects can occur when taken in combination with MAO inhibitors. Overall, there appears to be less abuse potential than other anxiolytics; however, case reports do suggest that abuse should be monitored for. Drug combinations that impact CYP3A4 function require monitoring or dose adjustments.

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Correspondence to Brett D. M. Jones .

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Jones, B.D.M., Husain, M.I. (2021). Tranquilizer/Anxiolytics: Buspirone. In: Riederer, P., Laux, G., Nagatsu, T., Le, W., Riederer, C. (eds) NeuroPsychopharmacotherapy. Springer, Cham. https://doi.org/10.1007/978-3-319-56015-1_160-1

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  • DOI: https://doi.org/10.1007/978-3-319-56015-1_160-1

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