Cited by 207Cannabis and Cannabinoid ResearchMedicinal Plant Extracts EffectsPsychedelics and Drug Studies

Anxiolytic-like effect of cannabidiol in the rat Vogel conflict test

Moreira, Fabrício A., Aguiar, Daniele C., Guimarães, Francisco S.·2006·Progress in Neuro-Psychopharmacology and Biological Psychiatry

Abstract

Cannabidiol (CBD) is a major constituent of the Cannabis sativa plant. It inhibits the anxiogenic activity of high doses of Delta9-tetrahydrocannabinol and induces anxiolytic-like effects. However, the mechanisms underlying the actions of CBD are unknown. Therefore, the aim of the present study was to test the effects of CBD in the Vogel test, a widely used animal model of anxiety. In addition, it was verified if these effects would depend on benzodiazepine-receptor activation. After 24 h of water deprivation, male Wistar rats were subjected to an initial 3-min non-punished (pre-test) drinking session. This was followed by an additional 24-h period of water deprivation followed by a 3-min punished-licking session (test). Diazepam (3 mg/kg) or CBD (2.5, 5 or 10 mg/kg) were intraperitoneally injected 30 min before the test session. CBD (10 mg/kg) and diazepam had similar anticonflict effects, increasing the number of punished licks. The effect of diazepam, but not of CBD, was prevented by the benzodiazepine-receptor antagonist flumazenil (10 mg/kg). To exclude that the anticonflict effects were reflecting non-specific drug effects, we checked the effects of CBD on water consumption and nociceptive response. The drug did not interfere on the former variable in a non-punished test session. Moreover, contrary to morphine (5 mg/kg), CBD was ineffective in the tail-flick test. In conclusion, CBD induced an anticonflict effect not mediated by benzodiazepine receptors or by non-specific drug interference on nociceptive threshold or water consumption. These results reinforce the hypothesis that this cannabinoid has anxiolytic properties.

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Crossref · 10.1016/j.pnpbp.2006.06.004

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Authors
Moreira, F. A., Aguiar, D. C., & Guimarães, F. S.
Affiliations
Universidade de São Paulo (BR)
Corresponding author
Moreira, Fabrício A.
Venue
Progress in Neuro-Psychopharmacology and Biological Psychiatry
Publisher
Elsevier BV
Published
2006-12
Volume
30
Issue
8
Pages
1466-1471
ISSN
0278-5846 (ISSN-L)
OpenAlex
W2087748457
Cited by
207
References
49
Citations by year
2026: 4 · 2025: 7 · 2024: 11 · 2023: 14 · 2022: 12 · 2021: 15 · 2020: 10 · 2019: 9 · 2018: 13 · 2017: 14 · 2016: 7 · 2015: 9 · 2014: 8 · 2013: 6 · 2012: 18
FWCI
5.64
Type
journal article
Language
en
Open access
closed
Locations
  • Progress in Neuro-Psychopharmacology and Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Funders
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Topics
  • Health Sciences › Medicine › Pharmacology › Cannabis and Cannabinoid Research
  • Health Sciences › Medicine › Complementary and alternative medicine › Medicinal Plant Extracts Effects
  • Social Sciences › Psychology › Clinical Psychology › Psychedelics and Drug Studies
Keywords
cannabidiol, anxiolytic effects, Vogel conflict test, anxiety, benzodiazepine receptor, flumazenil, diazepam, water deprivation, nociception, tail-flick test, morphine
MeSH terms
Animals, Anxiety, Cannabidiol, Conflict, Psychological, Male, Psychological Tests, Anti-Anxiety Agents, Rats, Wistar, Models, Animal, Rats

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