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Single-Dose Pharmacokinetics and Preliminary Safety Assessment with Use of CBD-Rich Hemp Nutraceutical in Healthy Dogs and Cats

By Kelly A. Deabold, Wayne S. Schwark, Lisa Wolf, Joseph J. Wakshlag

Category Journal Articles
Abstract

The use of CBD-rich hemp products is becoming popular among pet owners with no long-term safety data related to consumption in adult dogs and cats. The purpose of this study was to determine the single-dose oral pharmacokinetics of CBD, and to provide a preliminary assessment of safety and adverse effects during 12-week administration using a hemp-based product in healthy dogs and cats. Eight of each species were provided a 2 mg/kg total CBD concentration orally twice daily for 12 weeks with screening of single-dose pharmacokinetics in six of each species. Pharmacokinetics revealed a mean maximum concentration (Cmax) of 301 ng/mL and 43 ng/mL, area under the curve (AUC) of 1297 ng-h/mL and 164 ng-h/mL, and time to maximal concentration (Tmax) of 1.4 h and 2 h, for dogs and cats, respectively. Serum chemistry and CBC results showed no clinically significant alterations, however one cat showed a persistent rise in alanine aminotransferase (ALT) above the reference range for the duration of the trial. In healthy dogs and cats, an oral CBD-rich hemp supplement administered every 12 h was not detrimental based on CBC or biochemistry values. Cats do appear to absorb or eliminate CBD differently than dogs, showing lower serum concentrations and adverse effects of excessive licking and head-shaking during oil administration.

Submitter

Marcy Wilhelm-South

Purdue University

Date 2019
Publication Title Animals
Volume 9
Issue 10
Pages 13
Publisher MDPI
DOI 10.3390/ani9100832
URL https://www.mdpi.com/2076-2615/9/10/832
Language English
Additional Language English
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Tags
  1. Animal roles
  2. open access
  3. Pets and companion animals
  4. pharmaceuticals
  5. toxicity
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  1. open access