{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T14:17:31Z","timestamp":1789654651114,"version":"4.0.1"},"reference-count":104,"publisher":"Public Library of Science (PLoS)","issue":"3","license":[{"start":{"date-parts":[[2023,3,13]],"date-time":"2023-03-13T00:00:00Z","timestamp":1678665600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100015013","name":"Florida Department of State","doi-asserted-by":"publisher","award":["2019 Research Grants Program of the Consortium for Medical Marijuana Clinical Outcomes Research"],"award-info":[{"award-number":["2019 Research Grants Program of the Consortium for Medical Marijuana Clinical Outcomes Research"]}],"id":[{"id":"10.13039\/100015013","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:p>The most frequently reported use of medical marijuana is for pain relief. However, its psychoactive component \u03949-tetrahydrocannabinol (THC) causes significant side effects. Cannabidiol (CBD) and \u03b2-caryophyllene (BCP), two other cannabis constituents, possess more benign side effect profiles and are also reported to reduce neuropathic and inflammatory pain. We evaluated the analgesic potential of CBD and BCP individually and in combination in a rat spinal cord injury (SCI) clip compression chronic pain model. Individually, both phytocannabinoids produced dose-dependent reduction in tactile and cold hypersensitivity in male and female rats with SCI. When co-administered at fixed ratios based on individual A50s, CBD and BCP produced enhanced dose-dependent reduction in allodynic responses with synergistic effects observed for cold hypersensitivity in both sexes and additive effects for tactile hypersensitivity in males. Antinociceptive effects of both individual and combined treatment were generally less robust in females than males. CBD:BCP co-administration also partially reduced morphine-seeking behavior in a conditioned place preference (CPP) test. Minimal cannabinoidergic side effects were observed with high doses of the combination. The antinociceptive effects of the CBD:BCP co-administration were not altered by either CB2 or \u03bc-opioid receptor antagonist pretreatment but, were nearly completely blocked by CB1 antagonist AM251. Since neither CBD or BCP are thought to mediate antinociception via CB1 activity, these findings suggest a novel CB1 interactive mechanism between these two phytocannabinoids in the SCI pain state. Together, these findings suggest that CBD:BCP co-administration may provide a safe and effective treatment option for the management of chronic SCI pain.<\/jats:p>","DOI":"10.1371\/journal.pone.0282920","type":"journal-article","created":{"date-parts":[[2023,3,13]],"date-time":"2023-03-13T17:31:28Z","timestamp":1678728688000},"page":"e0282920","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":26,"title":["Combined non-psychoactive Cannabis components cannabidiol and \u03b2-caryophyllene reduce chronic pain via CB1 interaction in a rat spinal cord injury model"],"prefix":"10.1371","volume":"18","author":[{"given":"Anjalika","family":"Eeswara","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amanda","family":"Pacheco-Spiewak","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9096-7770","authenticated-orcid":true,"given":"Stanislava","family":"Jergova","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jacqueline","family":"Sagen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2023,3,13]]},"reference":[{"key":"pone.0282920.ref001","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1002\/ejp.905","article-title":"Neuropathic pain prevalence following spinal cord injury: A systematic review and meta-analysis","volume":"21","author":"D 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