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

  • Journal : Dermatitis
  • Publication Year : 2022
  • Authors : Chandler W. Rundle, Hope R. Rietcheck, Jalal Maghfour, Sam Dercon, Jon Fernandez, Peter Lio, Robert P. Dellavalle, Mayumi Fujita, & Helena Yardley

Please use this link to access this publication.

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.
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Conditions:

  • Inflammation, Skin

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Research Keywords:

  • Cannabidiol (CBD)

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