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Abstract Title:

Effects of cannabidiol in animal models predictive of antipsychotic activity.

Abstract Source:

Psychopharmacology (Berl). 1991 ;104(2):260-4. PMID: 1678894

Abstract Author(s):

A W Zuardi, J A Rodrigues, J M Cunha

Article Affiliation:

A W Zuardi

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.

Study Type : Animal Study

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Sayer Ji
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