Anti-inflammatory Effect of Cannabidiol and Palmitoylethanolamide Containing Topical Formulation on Skin in a 12-O-Tetradecanoylphorbol-13-Acetate-Induced Dermatitis Model in Mice

Chandler W. Rundle, Hope R. Rietcheck, Jalal Maghfour, Sam Dercon, Jon Fernandez, Peter Lio, Robert P. Dellavalle, Mayumi Fujita, Helena Yardley

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Background Chronic inflammatory skin disorders, such as atopic dermatitis, have significant disease burden worldwide. Although efficacious, the adverse effect profile of topical corticosteroids limits long-term use. As an alternative, cannabinoids have been shown to have anti-inflammatory therapeutic effects. Objective The aim of this study was to assess the effects of a topical cannabinoid product using dermatitis mouse model. Methods Thirty-five mice were randomized into treatment groups. 12-O-tetradecanoylphorbol-13-acetate was used as an irritant on 1 ear with the contralateral ear serving as a control. Ear edema was calipered. The test product containing 0.9% cannabidiol and palmitoylethanolamide was compared with a potent topical corticosteroid. Results Treatment with topical cannabinoid formulation reduced ear edema by 51.27% at 24 hours' and 65.69% at 48 hours' postapplication. Alternatively, mometasone reduced ear edema by 89.82% at 24 hours and 98.25% at 48 hours. Natural reduction (control) in ear edema was 26.32% at 24 hours and 44.21% at 48 hours. Both test groups resulted in significantly decreased edema when compared with baseline (P < 0.05), as well as compared with the negative control group (P < 0.05). Conclusions Significant reduction in ear edema, a marker for localized cutaneous inflammation, could be attributed to anti-inflammatory properties of cannabinoids. Although effects were less robust than topical corticosteroid use, cannabinoid formulations have therapeutic promise for dermatitis.

Original languageEnglish (US)
Pages (from-to)277-281
Number of pages5
JournalDermatitis
Volume33
Issue number4
DOIs
StatePublished - Jul 1 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© Lippincott Williams & Wilkins.

Keywords

  • 12- O -tetradecanoylphorbol-13-acetate (TPA)
  • ABBREVIATIONS
  • atopic dermatitis (AD)
  • cannabidiol (CBD)
  • endogenous cannabinoid system (ECS)
  • palmitoylethanolamide (PEA)

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