Global patterns of opioid use and dependence: harms to populations, interventions, and future action

Louisa Degenhardt, Jason Grebely, Jack Stone, Matthew Hickman, Peter Vickerman, Brandon D L Marshall, Julie Bruneau, Frederick L Altice, Graeme Henderson, Afarin Rahimi-Movaghar, Sarah Larney

Research output: Contribution to journalArticle (Academic Journal)peer-review

45 Citations (Scopus)
305 Downloads (Pure)

Abstract

We summarise the evidence for medicinal uses of opioids, harms related to the extramedical use of, and dependence on, these drugs, and a wide range of interventions used to address these harms. The Global Burden of Diseases, Injuries, and Risk Factors Study estimated that in 2017, 40·5 million people were dependent on opioids (95% uncertainty interval 34·3-47·9 million) and 109 500 people (105 800-113 600) died from opioid overdose. Opioid agonist treatment (OAT) can be highly effective in reducing illicit opioid use and improving multiple health and social outcomes-eg, by reducing overall mortality and key causes of death, including overdose, suicide, HIV, hepatitis C virus, and other injuries. Mathematical modelling suggests that scaling up the use of OAT and retaining people in treatment, including in prison, could avert a median of 7·7% of deaths in Kentucky, 10·7% in Kiev, and 25·9% in Tehran over 20 years (compared with no OAT), with the greater effects in Tehran and Kiev being due to reductions in HIV mortality, given the higher prevalence of HIV among people who inject drugs in those settings. Other interventions have varied evidence for effectiveness and patient acceptability, and typically affect a narrower set of outcomes than OAT does. Other effective interventions focus on preventing harm related to opioids. Despite strong evidence for the effectiveness of a range of interventions to improve the health and wellbeing of people who are dependent on opioids, coverage is low, even in high-income countries. Treatment quality might be less than desirable, and considerable harm might be caused to individuals, society, and the economy by the criminalisation of extramedical opioid use and dependence. Alternative policy frameworks are recommended that adopt an approach based on human rights and public health, do not make drug use a criminal behaviour, and seek to reduce drug-related harm at the population level.

Original languageEnglish
Pages (from-to)1560-1579
Number of pages20
JournalThe Lancet
Volume394
Issue number10208
Early online date23 Oct 2019
DOIs
Publication statusPublished - 26 Oct 2019

Keywords

  • Analgesics, Opioid/poisoning
  • Drug Overdose/epidemiology
  • Global Health
  • Health Knowledge, Attitudes, Practice
  • Humans
  • Opioid-Related Disorders/epidemiology
  • Prevalence
  • Risk Factors

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