Introduction: Polysubstance use—the use of substances at the same time or close in time—
is a common practice among people who use drugs. The recent rise in mortality and …

Background A mounting body of evidence suggests that polysubstance use (PSU) is
common among people who use opioids (PWUO). Measuring PSU, however, is statistically …

The rise in drug overdoses and harms associated with the use of more than one substance
has led to increased use of the term “polysubstance use” among researchers, clinicians, and …

Introduction Polysubstance use is common among individuals seeking treatment for
substance use disorders (SUD). However, we know less about patterns and correlates of …

Importance Studies have suggested a rise in opioid-and stimulant-involved overdoses in
recent years in North America. This risk may be acute for individuals who have had contact …

While research on substance use disorder (SUD) treatment among justice-involved
populations has grown in recent years, the majority of corrections-based SUD studies have …

Background Polysubstance use is a common, problematic behavior that increases risk of
harm to self and others. Research suggests that rates may vary based on gender, sex and …

Abstract In the United States, opioid-related deaths involving polydrug use are now more
prevalent than those involving only opioids. What often goes unnoticed is that deaths …

Background The purpose of this study includes: 1) identifying classes of substance-related
needs among Black women, and 2) examining the effect of substance-related need classes …

To develop personalized interventions and improve outcomes in substance-using
populations, research is needed on the heterogeneity in substance use patterns and …