domingo, 26 de enero de 2020

Majority of people knowingly use fentanyl, UBC research shows

Majority of people knowingly use fentanyl, UBC research shows

News-Medical

Majority of people knowingly use fentanyl, UBC research shows

Fentanyl use by people who use drugs has doubled since 2015, and two-thirds of people are aware they've taken it, finds new research out of British Columbia, the Canadian province that has experienced the highest number of illicit drug toxicity deaths as a result of the opioid crisis.
The findings point to the importance of taking comprehensive measures to reduce the risk for people who take the toxic opioid knowingly or unknowingly. The study, by the BC Centre for Disease Control (BCCDC) and University of British Columbia, is based on 2018 survey data collected from people who visit harm reduction sites for supplies like new syringes and needles or safer smoking supplies. The study, published this week in the International Journal of Drug Policy, provides valuable insights into fentanyl use that will inform efforts to reduce overdoses and deaths in B.C. and beyond.
This research shows the majority of people who use fentanyl know they're doing so. Making people who use drugs aware of the presence of fentanyl in the drug supply isn't enough; we need harm reduction services, substance use treatment, overdose prevention resources, and pharmaceutical alternatives to the toxic drug supply to reduce the devastating impact of fentanyl and its analogs on our communities."
Dr. Jane Buxton, BCCDC epidemiologist, harm reduction lead and professor in the UBC School of Population and Public Health
Fentanyl is a synthetic opioid 50 to 100 times more toxic than morphine According to preliminary data from the BC Coroner's Service, fentanyl or its analogues such as carfentanil were found in 85 per cent of fatal overdose cases in 2019.
When fentanyl first appeared in the drug supply, many people took fentanyl unknowingly in the drugs they sought like heroin, counterfeit opioid tablets or other substances. At the time, B.C. saw a huge spike in deaths from the contaminated drug supply and instituted measures to prevent deaths including distribution of kits containing the overdose reversing drug naloxone, increased access to treatments for opioid use disorder susbtitiuation treatment, and expansion of overdose prevention services and supervised consumption sites. Scientists and health care workers wanted to know whether people were still unaware they were taking fentanyl, so they repeated a study done in 2015, shortly after fentanyl entered the drug supply.
The study drew on data collected from 303 participants recruited from 27 harm reduction sites across B.C. The participants completed a brief survey on their drug use and provided a urine sample that researchers tested for fentanyl and other substances.
Sixty per cent of participants in 2018 had fentanyl detected in their urine, of these people, 64 per cent knew they had taken fentanyl. The study done in 2015 found 29 per cent of participants tested positive for fentanyl, with only 27 per cent aware that they'd used it.
Researchers do not fully understand the factors that contribute to people knowingly taking fentanyl, but the reasons are varied. Some people may use fentanyl because they are aware it is present in most of the illicit supply of opioids and therefore have no other choice, while some may prefer the experience of taking fentanyl regardless of other options.
This research lays groundwork that will help us learn more about why fentanyl use is increasing. These findings will also contribute to more effective messaging campaigns and harm reduction strategies to help reduce preventable deaths and support the health of people who use substances, their families, and their communities."
Mohammad Karamouzian, PhD student at UBC's School of Population and Public Health and lead author of the study

Quick facts

  • Other key findings from the study include:
  • Recent fentanyl use was more common in people living in urban settings.
  • People who used fentanyl were more likely to have also recently used heroin/morphine or crystal meth.
  • Self-reported cannabis use was associated with reduced fentanyl use.
  • The data for this study were collected at harm reduction sites that provide a range of services to people who use drugs including, but not limited to: condom distribution, needle and syringe distribution and take-home naloxone kits. There are approximately 375 of these facilities across B.C.
  • A study led by BCCDC in 2019 showed the rapid expansion of harm reduction services (e.g., take home naloxone, opioid agonist therapy and overdose prevention sites) in response to B.C.'s overdose crisis averted more than 3,000 overdose deaths during a 20-month period in 2016-2017.
Source:
Journal reference:
Karamouzian, M., et al. (2020) Known fentanyl use among clients of harm reduction sites in British Columbia, Canada. International Journal of Drug Policydoi.org/10.1016/j.drugpo.2020.102665.

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