ArticleJournal of psychopharmacology (Oxford, England)2025
The phytocannabinoid cannabidivarin alleviates cognitive and social behaviour deficits in the sub-chronic phencyclidine rat model of relevance for schizophrenia.
Article in Journal of psychopharmacology (Oxford, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Neuropharmacology of Cannabinoids: A Comprehensive Review of Preclinical and Clinical Evidence for Hemp-Derived Extracts and Active Compounds.Pharmaceuticals (Basel, Switzerland) · 2026Review
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7 authors.
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Abstract
backgroundSchizophrenia is a serious psychiatric disorder that affects over 24 million people worldwide. Current therapies treat positive symptoms but show little efficacy for negative and cognitive symptoms, which can impact quality of life. Development of effective medication for this unmet medical need is imperative. Phytocannabinoids, such as cannabidivarin (CBDV), show promising results for the treatment of neurological disorders and have demonstrated efficacy in preclinical models, including seizure, autism, Rett, and Fragile X syndromes.
aimTo determine the effect of CBDV on cognitive and social deficits in a sub-chronic phencyclidine (scPCP) rat model of relevance to schizophrenia.
methodsFemale Lister Hooded rats received scPCP (2 mg/kg, intraperitoneally (i.p.)) or saline for 7 days, followed by a minimum 7-day drug-free washout. Rats were then treated with saline, CBDV (2, 10, and 20 mg/kg, i.p.), or risperidone (0.1 mg/kg, i.p.) 60 minutes before novel object recognition (NOR), social interaction (SI), and reversal learning (RL) testing.
resultsscPCP significantly impaired performance in all three behavioural tests. Deficits in the NOR and SI tests were significantly improved by CBDV (10 and 20 mg/kg), while 20 mg/kg was effective at reversing the deficits in RL. Risperidone also significantly reversed the scPCP-induced deficit in the NOR, RL, and SI paradigms.
conclusionHere, we are the first to demonstrate the ability of CBDV to ameliorate cognitive and social deficits in the scPCP rat model of relevance for schizophrenia, suggesting further research is justified into the potential therapeutic benefits of CBDV in patients.
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