Cited by 191Cannabis and Cannabinoid ResearchSchizophrenia research and treatmentPsychedelics and Drug Studies

Effects of cannabidiol in animal models predictive of antipsychotic activity

Zuardi, A. W., Antunes Rodrigues, J., Cunha, J. M.·1991·Psychopharmacology

Abstract

The effects of cannabidiol (CBD) were compared to those produced by haloperidol in rats submitted to experimental models predictive of antipsychotic activity. Several doses of CBD (15-480 mg/kg) and haloperidol (0.062-1.0 mg/kg) were tested in each model. First, CBD increased the effective doses 50% (or) ED50 of apomorphine for induction of the sniffing and biting stereotyped behaviors. In addition, both CBD and haloperidol reduced the occurrence of stereotyped biting induced by apomorphine (6.4 mg/kg), increased plasma prolactin levels and produced palpebral ptosis, as compared to control solutions. However, CBD did not induce catalepsy even at the highest doses, in contrast to haloperidol. Such a pharmacological profile is compatible with that of an "atypical" antipsychotic agent, though the mechanism of action is uncertain and may not be identical to that of the dopamine antagonists.

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Crossref · 10.1007/bf02244189

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Authors
Zuardi, A. W., Antunes Rodrigues, J., & Cunha, J. M.
Affiliations
Universidade Federal de Uberlândia (BR)
Venue
Psychopharmacology
Published
1991-06
Volume
104
Issue
2
Pages
260-264
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W2015650006
Cited by
191
References
44
Citations by year
2025: 2 · 2024: 11 · 2023: 7 · 2022: 9 · 2021: 11 · 2020: 14 · 2019: 9 · 2018: 14 · 2017: 10 · 2016: 13 · 2015: 9 · 2014: 6 · 2013: 9 · 2012: 9
FWCI
0.41
Type
journal article
Language
en
Open access
closed
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Pharmacology › Cannabis and Cannabinoid Research
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Social Sciences › Psychology › Clinical Psychology › Psychedelics and Drug Studies
Keywords
cannabidiol, haloperidol, antipsychotic activity, stereotypy, apomorphine, catalepsy, prolactin, palpebral ptosis, atypical antipsychotics, dopamine antagonists, animal models of psychosis
MeSH terms
Animals, Apomorphine, Blepharoptosis, Cannabidiol, Catalepsy, Male, Models, Psychological, Prolactin, Rats, Inbred Strains, Stereotyped Behavior, Antipsychotic Agents, Rats

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