Effects of transdermal mirtazapine on hyporexic rhesus and cynomolgus macaques (Macaca mulatta and Macaca fascicularis)

Kriscelle A. Mendoza, Diane E. Stockinger, Mira J. Cukrov, Jeffrey A. Roberts, Granger G.C. Hwa

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Background: Hyporexia and weight loss are important indicators of physical and psychological well-being in macaque colonies. An FDA-approved transdermal formulated Mirtazapine (MTZ) shows effectiveness in managing feline hyporexia. This study sought to determine its effectiveness as an appetite stimulant in macaques. Methods: Fourteen macaques with idiopathic hyporexia, intractable to conventional management were treated with transdermal MTZ (0.5 mg/kg) topically administered to aural pinnae once daily for 14 days. Qualitative food consumption was monitored daily for 6 months. Body weights were collected prior to treatment, every 2 weeks for the first 6 weeks, 10 weeks, and 6 months post-treatment. Results: Transdermal MTZ significantly reduced the frequency of hyporexia during treatment and monthly for 6 months. No significant increase in weight noted until approximately 6 months post-treatment. Conclusions: Results from this study indicate that a short course of transdermal MTZ is an effective way to increase food consumption in macaques chronically.

Original languageEnglish (US)
Pages (from-to)128-133
Number of pages6
JournalJournal of medical primatology
Volume50
Issue number2
DOIs
StatePublished - Apr 2021

Keywords

  • anti-emetic
  • antidepressant
  • appetite stimulation
  • hyporexia
  • inappetence
  • Macaque
  • mirtazapine

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)

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