Bridging the gap: The endocannabinoid system as a functional fulcrum for benzodiazepines in a novel frontier of anxiety pharmacotherapy

(2025) Bridging the gap: The endocannabinoid system as a functional fulcrum for benzodiazepines in a novel frontier of anxiety pharmacotherapy. Pharmacology & Therapeutics. p. 23. ISSN 0163-7258

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Abstract

While benzodiazepines have been a mainstay of the pharmacotherapy of anxiety disorders, their short-term efficacy and risk of abuse have driven the exploration of alternative treatment approaches. The endocannabinoid (eCB) system has emerged as a key modulator of anxiety-related processes, with evidence suggesting dynamic interactions between the eCB system and the GABAergic system, the primary target of benzodiazepines. According to the existing literature, the activation of the cannabinoid receptors has been shown to exert anxiolytic effects, while their blockade or genetic deletion results in heightened anxiety-like responses. Moreover, studies have provided evidence of interactions between the eCB system and benzodiazepines in anxiety modulation. For instance, the attenuation of benzodiazepine-induced anxiolysis by cannabinoid receptor antagonism or genetic variations in the eCB system components in animal studies, have been associated with variations in benzodiazepine response and susceptibility to anxiety disorders. The combined use of cannabinoid-based medications, such as cannabinoid receptor agonists and benzodiazepine co-administration, has shown promise in augmenting anxiolytic effects and reducing benzodiazepine dosage requirements. This article aims to comprehensively review and discuss the current evidence on the involvement of the eCB system as a key modulator of benzodiazepine-related anxiolytic effects, and further, the possible mechanisms by which the region-specific eCB system-GABAergic connectivity modulates the neuro-endocrine/behavioral stress response, providing an inclusive understanding of the complex interplay between the eCB system and benzodiazepines in the context of anxiety regulation, to inform future research and clinical practice. (c) 2025 Elsevier Inc. All rights are reserved, including those for text and data mining, AI training, and similar technologies.

Item Type: Article
Keywords: Endocannabinoid system GABAA receptors Anxiety disorders Benzodiazepines HPA-axis corticotropin-releasing-factor cannabinoid cb1 receptor medial prefrontal cortex monoacylglycerol lipase inhibition glucagon-like peptide-1 pituitary-adrenal axis hypothalamic paraventricular nucleus plasma-corticosterone levels central amygdaloid nucleus protein-coupled receptors Pharmacology & Pharmacy
Page Range: p. 23
Journal or Publication Title: Pharmacology & Therapeutics
Journal Index: ISI
Volume: 267
Identification Number: https://doi.org/10.1016/j.pharmthera.2025.108799
ISSN: 0163-7258
Depositing User: خانم ناهید ضیائی
URI: http://eprints.mui.ac.ir/id/eprint/31256

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