Cited by 364Cannabis and Cannabinoid ResearchMedicinal Plant Extracts EffectsAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

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Effects of ipsapirone and cannabidiol on human experimental anxiety

Zuardi, A. W., Cosme, R. A., Graeff, F. G., Guimarães, F. S.·1993·Journal of Psychopharmacology

DOI 10.1177/026988119300700112

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Abstract

The effects of ipsapirone and cannabidiol (CBD) on healthy volunteers submitted to a simulated public speaking (SPS) test were compared with those of the anxiolytic benzodiazepine diazepam and placebo. Four independent groups of 10 subjects received, under a double-blind design, placebo or one of the following drugs: CBD (300 mg), diazepam (10 mg) or ipsapirone (5 mg). Subjective anxiety was evaluated through the Visual Analogue Mood Scale (VAMS) and the State-trait Anxiety Inventory (STAI). The VAMS anxiety factor showed that ipsapirone attenuated SPS-induced anxiety while CBD decreased anxiety after the SPS test. Diazepam, on the other hand, was anxiolytic before and after the SPS test, but had no effect on the increase in anxiety induced by the speech test. Only ipsapirone attenuated the increase in systolic blood pressure induced by the test. Significant sedative effects were only observed with diazepam. The results suggest that ipsapirone and CBD have anxiolytic properties in human volunteers submitted to a stressful situation.

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Authors: Zuardi, A. W., Cosme, R. A., Graeff, F. G., & Guimarães, F. S.
Affiliations: Universidade de São Paulo (BR)
ORCID: Zuardi, A. W.
Graeff, F. G.
Venue: Journal of Psychopharmacology
Publisher: SAGE Publications
Published: 1993-01
Volume: 7
Issue: 1_suppl
Pages: 82-88
ISSN: 0269-8811 (ISSN-L)
1461-7285
DOI: 10.1177/026988119300700112
OpenAlex: W1696206979
Cited by: 364
References: 39
Citations by year: 2026: 4 · 2025: 10 · 2024: 33 · 2023: 28 · 2022: 37 · 2021: 28 · 2020: 43 · 2019: 25 · 2018: 11 · 2017: 21 · 2016: 12 · 2015: 12 · 2014: 9 · 2013: 10 · 2012: 17
FWCI: 2.33
Type: journal article
Language: en
Open access: closed
Licence: journals.sagepub.com/page/policies/text-and-data-mining-license (tdm)
Locations: Journal of Psychopharmacology (publishedVersion)
PubMed (publishedVersion)
Topics: Health Sciences › Medicine › Pharmacology (medical) › Cannabis and Cannabinoid Research
Health Sciences › Medicine › Complementary and alternative medicine › Medicinal Plant Extracts Effects
Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Keywords: ipsapirone, cannabidiol, diazepam, anxiety, anxiolytic effects, stress response, blood pressure, sedation, healthy volunteers

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Effects of ipsapirone and cannabidiol on human experimental anxiety

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