Key Findings:  This review synthesizes preclinical and emerging clinical evidence showing that non-Δ⁹-THC phytocannabinoids such as CBD, CBG, THCV, and CBDV exert therapeutic effects in CNS disorders via diverse, non–CB receptor–limited mechanisms, highlighting their potential as next-generation, non-psychoactive cannabinoid-based medicines for conditions including epilepsy, neurodegeneration, affective disorders, and dysregulated feeding.
Type of Study:  Clinical Meta-analysis
Study Result:  Positive
Research Location(s):  United Kingdom
Year of Pub:  2026
Cannabinoids Studied:  Cannabidiol (CBD), Cannabigerol (CBG), Tetrahydrocannabivarin (THCV), Cannabidivarin (CBDV)
Phytocannabinoid Source:  Not Applicable
Receptors Studied:  CB1
Citation:  Hill AJ, Williams CM, Whalley BJ, Stephens GJ. Phytocannabinoids as novel therapeutic agents in CNS disorders. Pharmacol Ther. 2012 Jan;133(1):79-97. doi: 10.1016/j.pharmthera.2011.09.002. Epub 2011 Sep 6. PMID: 21924288.