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March 8, 2026Brain Research BulletinOpen Access

Effects and Mechanisms of Cannabidiol in Attenuating Orofacial Inflammatory Pain and Ameliorating Pain-Related Affective Deficits

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Authors

WWWang WuyueXGXie GuanboBXBin Xu

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Overview

Research demonstrates that cannabidiol alleviates orofacial inflammatory pain and improves affective deficits, indicating its therapeutic potential.

Key Points

  • The aim is to evaluate the therapeutic potential of cannabidiol in managing orofacial inflammatory pain and its associated emotional comorbidities.
  • Induced acute orofacial inflammatory pain in mice using formalin injection
  • Modeled chronic pain with complete Freund’s adjuvant intraplantar injection
  • Assessed pain and affective states using behavioral tests like von Frey and forced swim tests
  • Examined inflammatory and neural pathways using various biochemical methods
  • CBD significantly suppressed formalin-induced acute orofacial pain and reduced inflammatory sensitization
  • Decreased levels of pro-inflammatory cytokines and oxidative stress markers
  • Increased endocannabinoids and reduced neuronal activation in pain-related brain regions
  • Systemic CBD alleviated mechanical allodynia and improved anxiety, depression, and cognitive performance

Cite This Study

Wuyue et al. (2026) studied this question.

synapsesocial.com/papers/69acc58f32b0ef16a404fd2ehttps://doi.org/10.1016/j.brainresbull.2026.111813
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Cannabidiol in the anterior insular cortex attenuates chronic neuropathic pain and comorbid anxiety- and depression-like behaviors: involvement of CB1 and 5-HT1A receptor signaling2026
  2. 2Cannabinoids in Orofacial Pain - A Scoping Review2025
  3. 3Oromucosal Administration of a Cannabidiol‐Enriched <i>Cannabis</i> sp. Extract for 2 Weeks Moderately Reduces Cold Hyperalgesia in Rats With Neuropathic Pain2026
  4. 4Cannabigerol and standardized full-spectrum cannabis extract effects in acute and chronic inflammatory pain models2026
  5. 5Cannabinoids in Chronic Pain: Clinical Outcomes, Adverse Effects and Legal Challenges2025 · 13 citations