University of Hertfordshire

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A systematic review of (pre)clinical studies on the therapeutic potential and safety profile of kratom in humans

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Documents

  • Elisabeth Prevete
  • Kim Paula Colette Kuypers
  • Eef Lien Theunissen
  • Ornella Corazza
  • Giuseppe Bersani
  • Johannes Gerardus Ramaekers
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Original languageEnglish
Article numbere2805
Number of pages33
JournalHuman Psychopharmacology
Early online date26 Jul 2021
DOIs
Publication statusE-pub ahead of print - 26 Jul 2021

Abstract

INTRODUCTION: Kratom (Mitragyna speciosa) is a tropical plant traditionally used as an ethnomedicinal remedy for several conditions in South East Asia. Despite the increased interest in its therapeutical benefits in Western countries, little scientific evidence is available to support such claims, and existing data remain limited to kratom's chronic consumption.

OBJECTIVE: Our study aims to investigate (pre)clinical evidence on the efficacy of kratom as a therapeutic aid and its safety profile in humans.

METHODS: A systematic literature search using PubMed and the Medline database was conducted between April and November 2020.

RESULTS: Both preclinical (N = 57) and clinical (N = 18) studies emerged from our search. Preclinical data indicated a therapeutic value in terms of acute/chronic pain (N = 23), morphine/ethanol withdrawal, and dependence (N = 14), among other medical conditions (N = 26). Clinical data included interventional studies (N = 2) reporting reduced pain sensitivity, and observational studies (N = 9) describing the association between kratom's chronic (daily/frequent) use and safety issues, in terms of health consequences (e.g., learning impairment, high cholesterol level, dependence/withdrawal).CONCLUSIONS: Although the initial (pre)clinical evidence on kratom's therapeutic potential and its safety profile in humans is encouraging, further validation in large, controlled clinical trials is required.

Notes

© 2021 The Authors. Human Psychopharmacology: Clinical and Experimental published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution Non-Commercial License, https://creativecommons.org/licenses/by-nc/4.0/.

ID: 25707635