May 12, 2024

4th Wave in U.S. Overdose Crisis: 50x Surge in Deaths From Fentanyl Laced Stimulants

” Fentanyl has actually ushered in a polysubstance overdose crisis, meaning that individuals are blending fentanyl with other drugs, like stimulants, but also many other artificial compounds. A streamlined schema of the 4 waves of the US overdose mortality crisis. Waves 1 and 2 consist of deaths involving typically prescribed opioids, and heroin, respectively, however omitting fentanyl co-involved deaths. The 4th wave– fentanyl overdoses with stimulants– began in 2015 and continues to grow.
The authors also found that fentanyl/stimulant overdose deaths disproportionately affect racial/ethnic minority neighborhoods in the United States, including African and black American people and Native American people.

Professionals Weigh In
” Were now seeing that making use of fentanyl together with stimulants is quickly becoming the dominant force in the US overdose crisis,” stated lead author Joseph Friedman, an addiction scientist at the David Geffen School of Medicine at UCLA.
” Fentanyl has ushered in a polysubstance overdose crisis, indicating that individuals are blending fentanyl with other drugs, like stimulants, but also numerous other artificial substances. This postures lots of health dangers and new challenges for doctor. We have data and medical expertise about dealing with opioid usage disorders, however relatively little experience with the mix of opioids and stimulants together, or opioids blended with other drugs. This makes it tough to stabilize people clinically who are withdrawing from polysubstance usage.”
The findings were published on September 13 in the peer-reviewed journal Addiction.
A simplified schema of the 4 waves of the United States overdose death crisis. Waves 1 and 2 consist of deaths involving typically recommended opioids, and heroin, respectively, but leaving out fentanyl co-involved deaths.
Chronology of the Opioid Crisis.
The analysis shows how the US opioid crisis started with a boost in deaths from prescription opioids (wave 1) in the early 2000s and heroin (wave 2) in 2010. Around 2013, an increase in fentanyl overdoses indicated the 3rd wave. The fourth wave– fentanyl overdoses with stimulants– started in 2015 and continues to grow.
Further complicating matters is that people taking in numerous compounds may also be at increased danger of overdose, and lots of substances being combined with fentanyl are not responsive to naloxone, the antidote to an opioid overdose.
Geographical and demographic Trends.
The authors likewise discovered that fentanyl/stimulant overdose deaths disproportionately affect racial/ethnic minority neighborhoods in the United States, including African and black American people and Native American individuals. For circumstances, in 2021, the prevalence of stimulant involvement in fentanyl overdose deaths was 73% amongst 65 to 74-year-old Non-Hispanic Black or African-American females living in the western United States and 69% amongst 55 to 65-year-old Black or African-American men residing in the very same location. The rate amongst the basic United States population in 2021 was 49%.
There are likewise geographical patterns to fentanyl/stimulant use. In the northeast US, fentanyl tends to be integrated with drug; in the western and southern US, it appears most frequently with methamphetamine.
” We suspect this pattern shows the rising schedule of, and choice for, low-cost, high-purity methamphetamine throughout the US, and the truth that the Northeast has a well-entrenched pattern of illicit cocaine usage that has up until now withstood the total takeover by methamphetamine seen elsewhere in the nation,” Friedman stated.
Reference: “Charting the fourth wave: Geographic, temporal, race/ethnicity and group trends in polysubstance fentanyl overdose deaths in the United States, 2010– 2021” by Joseph Friedman and Chelsea L. Shover, 13 September 2023, Addiction.DOI: 10.1111/ add.16318.
The research study was moneyed by the UCLA Medical Scientist Training Program (National Institute of General Medical Sciences training grant GM008042) and the National Institute on Drug Abuse at the National Institutes of Health (K01DA050771). The material is solely the responsibility of the authors and does not necessarily represent the main views of the National Institutes of Health.

UCLA research study recognizes a 50-fold boost in United States overdose deaths involving fentanyl and stimulants given that 2010, marking a worrying 4th wave in the opioid crisis. The rise in polysubstance use provides unique healthcare challenges, with racial minorities disproportionately impacted and regional differences in drug mixes.
The trend marks the 4th wave in the US overdose crisis, which started with prescription opioid deaths in the early 2000s and has since continued with other drugs.
New UCLA-led research study has found that the percentage of United States overdose deaths including both fentanyl and stimulants has increased more than 50-fold because 2010, from 0.6% (235 deaths) in 2010 to 32.3% (34,429 deaths) in 2021.
By 2021, stimulants such as cocaine and methamphetamine had actually become the most common drug class discovered in fentanyl-involved overdoses in every US state. This increase in fentanyl/stimulant fatalities makes up the fourth wave in the United Statess long-running opioid overdose crisis– the death toll of which continues to increase precipitously.