Opioid Overdose Mortality Research Articles

Addressing Racial and Ethnic Inequities in Opioid Overdose Mortality: Strategies for Equitable Interventions and Structural Change.

This review synthetizes findings reflecting the increasing racial and ethnic inequities in opioid overdose mortality and emphasizes the necessity for tailored interventions as well as other policy-level and structural strategies to stem this trend. Factors contributing to inequities in overdose mortality include changes in drug supply, persistent social-structural vulnerabilities stemming from structural racism, and inequities in access to medication for opioid use disorder and harm reduction services. Key strategies to address these inequities include the cultural adaptation of evidence-based interventions within an equity-based framework, integrating social determinants of health into addiction treatment, centering anti-racism praxis in addiction research, diversifying the addiction workforce, and integrating structural competency as a tool to restructure education and inform practice. Structural racism must be recognized as a key driver of inequities in substance use outcomes, and this understanding must be integrated into existing models of substance use disorder prevention, treatment, and research.

An interrupted time series analysis of fentanyl, naloxone, and opioid-involved deaths in five counties in Eastern Missouri

IntroductionRates of opioid overdose deaths (OOD) have increased since the introduction of illicitly manufactured fentanyl in the U.S. drug supply. Though community-based naloxone distribution efforts have been found to effectively reduce OOD, no studies to date have examined their effects during the fentanyl era, nor in the epicenter of a state's overdose crisis. Thus, the current study assessed the impacts of both fentanyl and of subsequent grant-funded community-based naloxone distribution on OOD across Missouri's St. Louis region. MethodsMedical examiner data includes individuals who died within one of the five study counties (St. Louis City, St. Louis County, and Franklin, Jefferson, St. Charles counties [combined as “Collar Counties”]) between 2011 and 2022 due to an opioid overdose (N = 6799). Naloxone distribution date and location data came from Missouri's university-based naloxone distribution team. We conducted a controlled interrupted time series using an autoregressive model via proc. ARIMA to examine changes over time in the rate of OOD associated with the introduction of fentanyl (defined to be present in 25 % of opioid overdose deaths; June 2015) and the start of naloxone distribution for each location (August 2017, October 2017, and January 2018, respectively). ResultsThe introduction of fentanyl into the drug supply of St. Louis City was associated with an increased rate of OOD over time (p < .001). Naloxone distribution in the City was associated with an immediate decrease in OOD (p < .001) followed by a slowed increase in OOD (p < .001). These findings were not replicated in St. Louis County nor the Collar Counties. ConclusionsThe effects of fentanyl and naloxone on OOD varied by region in Eastern Missouri. Specifically, fentanyl and naloxone effects were only found in a high-need urban area with existing harm reduction and street outreach programs, but not in surrounding suburban or rural areas. State-level naloxone distribution decision-makers should prioritize funding harm reduction services in both urban and non-urban settings to help increase targeted naloxone distribution to those actively using drugs. Additionally, interventions tailored for people who engage in solitary drug use - such as safe consumption spaces and overdose detection technologies - should receive increased investment and implementation, particularly in rural areas where harm reduction infrastructure is more scarce.

Improving racial/ethnic health equity and naloxone access among people at risk for opioid overdose: A simulation modeling analysis of community-based naloxone distribution strategies in Massachusetts, United States.

During the COVID-19 pandemic, there was a surge in opioid overdose deaths (OODs) in Massachusetts, USA, particularly among Black and Hispanic/Latinx populations. Despite the increasing racial and ethnic disparities in OODs, there was no compensatory increase in naloxone distributed to these groups. We aimed to evaluate two community-based naloxone expansion strategies, with the objective of identifying approaches that could mitigate mortality and racial and ethnic disparities in OODs. Individual-based simulation model. We measured naloxone availability using naloxone kits per OOD and evaluated scenarios of achieving higher benchmarks for naloxone availability (i.e. 40, 60 and 80 kits per OOD) from 2022 levels (overall: 26.0, White: 28.8, Black: 17.3, Hispanic/Latinx: 18.9). We compared two naloxone distribution strategies: (1) proportional distribution: achieving the benchmark ratio at the overall population level while distributing additional kits proportional to the 2022 level for each racial/ethnic group (at 40 kits per OOD benchmark: overall: 40, White: 44.3, Black: 26.6, Hispanic/Latinx: 29.1), and (2) equity-focused distribution: achieving the benchmark ratio among each racial/ethnic group (at 40 kits per OOD benchmark: 40 for all groups). Massachusetts, United States. People at risk of OOD. Annual number and rate of OODs, total healthcare costs of increasing naloxone availability. Both naloxone distribution strategies yielded comparable predicted reductions in total OODs in 2025 and incurred similar incremental costs. However, the relative reduction in the rate of OODs differed across groups. For achieving an 80 kits per OOD benchmark, proportional distribution resulted in a projected 6.7%, 6.5% and 7.1% reduction in annual OODs in 2025 among White, Black and Hispanic/Latinx populations, respectively. In contrast, equity-focused distribution achieved a reduction of 5.7%, 11.3% and 10.2% in the respective groups. In all scenarios, the cost per OOD averted was lower than the generally accepted thresholds for cost per life saved. An equity-focused naloxone distribution strategy designed to reduce racial and ethnic disparities in naloxone availability could improve health equity among racial and ethnic groups while potentially improving overall population health at lower healthcare costs per opioid overdose death averted than a proportional distribution strategy.

Medicaid managed care restrictions on medications for the treatment of opioid use disorder.

To examine whether Medicaid managed care plan (MCP) utilization management policies for buprenorphine-naloxone and injectable naltrexone are related to key state Medicaid program policy decisions. We abstracted data on state Medicaid regulatory and policy information from publicly available sources and publicly available insurance benefit documentation from all 241 Medicaid MCPs operating in 2021. In this cross-sectional study, we used bivariate and multivariate analyses to examine whether Medicaid MCP prior authorization and quantity limits on receipt of buprenorphine and injectable naltrexone were associated with key state Medicaid choices to leverage federal funds to expand coverage and eligibility (Medicaid expansion, 1115 waivers) and to regulate Medicaid MCPs (uniform preferred drug lists, medical loss ratio remittance). Models were adjusted for MCP characteristics, including profit status, behavioral health contracting arrangement, National Committee for Quality Assurance accreditation, size, market share, and state opioid overdose death rates. Average marginal effects (AME) were reported. Utilization management was common among MCPs, and restrictions were more commonly applied to buprenorphine than injectable naltrexone, despite its higher cost. States that required MCPs to comply with utilization management policies stipulated in a uniform preferred drug list were more likely to require prior authorization for buprenorphine (AME: 0.29, 95% CI: 0.15-0.42) and injectable naltrexone (AME: 0.25, 95% CI: 0.12-0.38). MCPs in states that required plans to pay back earnings above a certain threshold were less likely to require prior authorization for buprenorphine (AME: -0.30, 95% CI: -0.43 to -0.18). Restrictions on medications for opioid use disorder are widespread among MCPs and vary by medication. State Medicaid regulatory and policy characteristics were strongly linked to MCPs' utilization management approaches. State Medicaid policy and contracting approaches may be levers to eliminate utilization management restrictions on medications for opioid use disorder.

Overdose as a complex contagion: modelling the community spread of overdose events following law enforcement efforts to disrupt the drug market

BackgroundThe opioid overdose mortality crisis in the USA is an ongoing public health epidemic. Ongoing law enforcement strategies to disrupt local unregulated drug markets can have an iatrogenic effect of...

Limited acceptance of buprenorphine in recovery residences in South Florida: A secret shopper survey

BackgroundBuprenorphine is a first-line treatment for opioid use disorder (OUD), essential for reducing opioid overdose mortality and improving treatment retention. Despite federal policies that mandate the acceptance of buprenorphine in recovery residences, individuals in South Florida taking this medication often face significant barriers to admission. This study uses a secret shopper survey to examine whether federal policies regarding prescribed buprenorphine use are being violated in South Florida recovery residences. MethodsWe selected recovery residences in South Florida due to the region's high opioid overdose death rate and its prominence as a recovery hub. From a list of 141 Florida Association of Recovery Residences (FARR)-certified residences in Palm Beach, Broward, and Miami-Dade, we randomly surveyed 100 programs across all treatment levels (I-IV) using a standardized script. The primary outcome was whether residences accepted individuals taking buprenorphine, classified into three categories: (1) unconditional acceptance, where any person taking buprenorphine was accepted; (2) denial, where admission was refused for all individuals taking buprenorphine; and (3) conditional acceptance, where admission was granted under specific conditions. Secondary outcomes included requirements for conditional acceptance, such as dose limits or tapering policies. ResultsThe distribution of the 100 surveyed recovery residences was comparable to the 141 FARR-certified facilities: 67 % were in Palm Beach, 31 % in Broward, and 2 % in Miami-Dade. Most residences (55 %) were level II certified, followed by 26 % level IV, 14 % level I, and 5 % level III. Sixteen percent of residences permitted admission of individuals taking any buprenorphine dose, 31 % had conditional policies, and 53 % prohibited buprenorphine. The maximum acceptance across all counties and levels was 20 %. No significant differences were observed by county (p = 0.61) or facility level (p = 0.29). Of 31 residences with conditional policies, 25.8 % (n = 8) required a mandatory taper, 38.7 % (n = 12) allowed a maximum 8 mg daily dosage, 12.9 % (n = 4) had a maximum 12 mg daily dosage, 6.5 % (n = 2) had a maximum 16 mg daily dosage, 6.5 % (n = 2) required a provider letter, and 9.7 % (n = 3) did not provide further information. ConclusionsAccess to FARR-certified recovery residences is severely limited for individuals in South Florida taking buprenorphine. Urgent action is needed to improve access to evidence-based OUD treatments, address complexities influencing recovery residence policy and practice, and ensure appropriate allocation of public funds like State Opioid Response dollars.

Racialized environments and syringe services program implementation: County-level factors

ObjectiveRacialized health inequities in substance use-related harms might emerge from differential access to syringe service programs (SSPs). To explore this, we examined the association between county-level racialized environments, other factors, and (1) SSP presence, and (2) per capita syringe and (3) naloxone distribution. Methods2021 US National Survey of SSP data (n=295/412;72 % response rate) was used to identify SSP presence and the sum of syringes and naloxone doses distributed in 2020 by county. Study measures included racial residential segregation (RRS; i.e., divergence and dissimilarity indexes for Black:Non-Hispanic White & Hispanic:Non-Hispanic White) and covariates (i.e., demographic proportions, urban/suburban/rural classifications, 2020 US presidential Republican vote share, and overdose mortality from 2019). We used logit Generalized Estimating Equations to determine factors associated with county-level SSP presence, and zero inflated negative binomial regression models to determine factors associated with per capita syringe and naloxone distribution. ResultsSSPs were reported in 9 % (283/3106) of US counties. SSP presence was associated with higher divergence and dissimilarity indexes, urban and suburban counties, higher opioid overdose mortality, and lower 2020 Republican presidential vote share. Per capita syringes distributed was associated with lower RRS (divergence and Hispanic:White dissimilarity), lower racially minoritized population proportions and rural counties, while per capita naloxone distribution was associated with lower Hispanic and “other” population proportions, and rural counties. ConclusionsRacialized environments are associated with SSP presence but not the scope of those programs. Preventing HIV and HCV outbreaks, and overdose deaths requires addressing community level factors that influence SSP implementation and accessibility.

Study Protocol for the Opioid and Pain Treatment in Indigenous Communities Trial: A Systems Level Intervention for Enhanced Screening and Brief Intervention and Referral for Co-Occurring Chronic Pain and Opioid Use Disorder.

American Indian/Alaska Native (AI/AN) individuals have the highest rates of opioid overdose mortality and chronic pain (CP) compared to other racial/ethnic groups in the United States. These individuals also report higher rates of pain anxiety and pain catastrophizing, which are both associated with poorer outcomes and risk for opioid misuse (OM) and opioid use disorder (OUD) among individuals with CP. Yet, no prior studies have examined rates of comorbid pain and OUD among AI/AN adults. This commentary describes an implementation research partnership of 3 AI/AN-serving clinics and a university team that utilizes an implementation hybrid type III design to examine the impact of implementation strategies on adoption and sustainability of evidence-based screening and brief intervention for CP and OM/OUD among AI/AN clients. As part of our community-engaged approach, we embrace both AI/AN models and Western models, and a collaborative board of 10 individuals guided the research throughout. We hypothesize that our culturally centered approach will increase rates of screening and brief intervention and improve identification of and outcomes among AI/AN clients with CP and OUD who receive treatment at participating sites. Each site convenes a workgroup to evaluate and set goals to culturally center screening and brief interventions for CP and OM/OUD. Data collected include deidentified electronic health records to track screening and brief interventions and rates of CP and OUD; provider and staff surveys beginning prior to implementation and every 6 months for 2 years; and a subset of clients will be recruited (N = 225) and assessed at baseline, 6, and 12 months to examine biopsychosocial and spiritual factors and their experiences with culturally centered screening and brief intervention. Cultural adaptations to the measures and screening and brief intervention as well as barriers and facilitators will be addressed. Recommendations for successful Tribal health clinic-university partnerships are offered.

Mobile addiction treatment and harm reduction services as tools to address health inequities: a community case study of the Brockton Neighborhood Health Center mobile unit.

Opioid overdose deaths continue to increase in the US. Recent data show disproportionately high and increasing overdose death rates among Black, Latine, and Indigenous individuals, and people experiencing homelessness. Medications for opioid use disorder (MOUD) can be lifesaving; however, only a fraction of eligible individuals receive them. Our goal was to describe our experience promoting equitable MOUD access using a mobile delivery model. We implemented a mobile MOUD unit aiming to improve equitable access in Brockton, a racially diverse, medium-sized city in Massachusetts. Brockton has a relatively high opioid overdose death rate with increasingly disproportionate death rates among Black residents. Brockton Neighborhood Health Center (BNHC), a community health center, provides brick-and-mortar MOUD access. Through the Communities That HEAL intervention as part of the HEALing Communities Study (HCS), Brockton convened a community coalition with the aim of selecting evidence-based practices to decrease overdose deaths. BNHC leadership and coalition members recognized that traditional brick-and-mortar treatment locations were inaccessible to marginalized populations, and that a mobile program could increase MOUD access. In September 2021, with support from the HCS coalition, BNHC launched its mobile initiative - Community Care-in-Reach® - to bring low-threshold buprenorphine, harm reduction, and preventive care to high-risk populations. During implementation, the team encountered several challenges including: securing local buy-in; navigating a complex licensure process; maintaining operations throughout the COVID-19 pandemic; and finally, planning for sustainability. In two years of operation, the mobile team cared for 297 unique patients during 1,286 total visits. More than one-third (36%) of patients received buprenorphine prescriptions. In contrast to BNHC's brick-and-mortar clinics, patients with OUD seen on the mobile unit were more representative of historically marginalized racial and ethnic groups, and people experiencing homelessness, evidencing improved, equitable addiction care access for these historically disadvantaged populations. Offering varied services on the mobile unit, such as wound care, syringe and safer smoking supplies, naloxone, and other basic medical care, was a key engagement strategy. This on-demand mobile model helped redress systemic disadvantages in access to addiction treatment and harm reduction services, reaching diverse individuals to offer lifesaving MOUD at a time of inequitable increases in overdose deaths.

Impact of opioid overdoses on US life expectancy and years of life lost, by demographic group and stimulant co-involvement: a mortality data analysis from 2019 to 2022

The United States' opioid crisis is worsening, with the number of deaths reaching 81,806 in 2022 after more than tripling over the past decade. This study aimed to comprehensively characterize changes in burden of opioid overdose mortality in terms of life expectancy reduction and years of life lost between 2019 and 2022, including differential burden across demographic groups and the contribution of polysubstance use. Using life tables and counts for all-cause and opioid overdose deaths from the National Center for Health Statistics, we constructed cause-eliminated life tables to estimate mortality by age in the absence of opioid-related deaths. We calculated the loss in life expectancy at birth (LLE) and total years of life lost (YLL) due to opioid overdose deaths by state of residency, sex, racial/ethnic group, and co-involvement of cocaine and psychostimulants. Opioid-related deaths in the US led to an estimated 3.1 million years of life lost in 2022 (38 years per death), compared to 2.0 million years lost in 2019. Relative to a scenario with no opioid mortality, we estimate that opioid-related deaths reduced life expectancy nationally by 0.67 years in 2022 vs 0.52 years in 2019. This LLE worsened in all racial/ethnic groups during the study period: 0.76y-0.96y for white men, 0.36y-0.55y for white women, 0.59y-1.1y for Black men, 0.27y-0.53y for Black women, 0.31y-0.82y for Hispanic men, 0.19y-0.31y for Hispanic women, 0.62y-1.5y for American Indian/Alaska Native (AI/AN) men, 0.43y-1y for AI/AN women, 0.09y-0.2y for Asian men, and 0.08y-0.13y for Asian women. Nearly all states experienced an increase in years of life lost (YLL) per capita from 2019 to 2022, with YLL more than doubling in 16 states. Cocaine or psychostimulants with abuse potential (incl. methamphetamines) were involved in half of all deaths and years of life lost in 2022, with substantial variation in the predominant drug class by state and racial/ethnic group. The burden of opioid-related mortality increased dramatically in the US between 2019 and 2022, coinciding with the period of the COVID-19 pandemic and the associated disruptions to social, economic, and health systems. Opioid overdose deaths are an important contributor to decreasing US life expectancy, and Black, Hispanic, and Native Americans now experience mortality burdens approaching or exceeding white Americans. None.

Integration of a Community Opioid Treatment Program Into a Federally Qualified Health Center.

With the increasing rates of opioid overdose deaths in the United States, barriers to treatment access for patients seeking medications for opioid use disorder (OUD), and challenges of initiating buprenorphine in patients who use fentanyl, it is essential to explore novel approaches to expanding access to methadone treatment. An opioid treatment program (OTP) and a federally qualified health center (FQHC) partnered to develop and implement an innovative integrated methadone and primary care treatment model. The process for integrating an OTP and FQHC to provide methadone treatment in the primary care setting will be discussed. An OTP methadone dispensing site was co-located in the FQHC, utilizing a staffing matrix built on the expertise of each stakeholder. The OTP managed DEA and state regulatory processes, whereas the FQHC physicians provided medical treatment, including methadone treatment protocols, treatment plans, and primary care. Patient demographics, medical history, and retention data for those who entered the program between January 2021 and February 2023 were collected through chart review and analyzed with descriptive statistics. A total of 288 OTP-FHQC patients were enrolled during the study. Retention rates in methadone treatment at 90 and 180 days were similar to partner clinics. Collaboration between FQHCs and OTPs is operationally feasible and can be achieved utilizing the current staffing model of the FQHC and OTP. This model can increase access to treatment for OUD and primary care for an urban, underserved patient population.

“Catching Chain” With Medicaid: The Impact of Medicaid Access on Opioid Overdose Mortality in Adults Released From State Detention

ObjectiveTo combat the heightened risk of opioid overdose death for individuals with criminal justice involvements, enhanced access to Medicaid remains paramount. This study examines the effect of a 2017 policy change in Pennsylvania that allowed for suspension, rather than termination, of Medicaid coverage while in prison on post‐release opioid overdose mortality risk (OOMR) for adults released from Pennsylvania prisons.MethodsThis retrospective cohort study utilizes administrative records from the Pennsylvania Department of Corrections for adults ≥18 years diagnosed with opioid use disorder (OUD) released in either 2015 or 2018. Death certificate data were used to compare OOMR within a year after release, both prior to and following the policy change. Demographic, treatment, and death characteristics were assessed with bivariate analyses. Multivariable logistic regressions were used to examine the association between qualification of Medicaid suspension and post‐release crude mortality and OOMR.ResultsQualification for Medicaid suspension was not associated with a significant decrease in OOMR (OR = 0.82, 95% CI [0.47–1.46]) or crude mortality (OR = 1.02, 95% CI [0.67–1.57]) within 1 year after prison release for individuals diagnosed with OUD. In addition, the risk of opioid overdose mortality after release from prison for adults with an OUD increased from 2015 to 2018 (0.6%–1.7%; p &lt; 0.0001), particularly from synthetic narcotics (57.1%–83.1%, p &lt; 0.001), and drug overdose remained the leading cause of death (74.0%) within the initial year of release.ConclusionsThese findings underscore the need for ongoing research in overdose prevention tailored to criminal justice populations. This includes a deeper analysis of policies intended to enhance post‐release insurance continuity and their effect on individuals diagnosed with OUD after prison release.

Contemporary burden and trends of opioid-overdose mortality in New York State

BackgroundLimited research exists on contemporary opioid overdose mortality burden and trends in New York State, with most studies focusing on New York City. This study aimed to assess opioid overdose burden and death trends in New York State by age, sex, race/ethnicity, geographic area, opioid type, and overdose intent from 1999 to 2020. MethodsMortality data were obtained from the Centers for Disease Control and Prevention's WONDER database. Opioid overdose decedents were identified using relevant International Classification of Diseases, 10th Revision codes. Joinpoint regression analyzed trends, estimating annual and average annual percentage changes in age-adjusted mortality rates (AAMR). 95% confidence intervals were derived using the Parametric Method. ResultsFrom 1999 to 2020, New York State recorded 34,109 opioid overdose deaths (AAMR = 7.9 per 100,000 persons; 95% CI: 7.8–7.9). The overall trend increased by 12.6% per year (95% CI: 10.8, 14.4) from 2004 to 2020. Subgroups exhibited varying trends, with an 11.1% yearly increase among Non-Hispanic White persons from 2007 to 2020 (95% CI: 9.0, 13.2), a 24.6% annual rise among Non-Hispanic Black persons from 2012 to 2020 (95% CI: 17.7, 31.8), and an 18.3% increase yearly among Hispanic individuals from 2011 to 2020 (95% CI: 14.0, 22.9). Recent trends have worsened in both males and females, across all age groups, in both New York City (NYC) and areas outside NYC, and for heroin, natural and semisynthetic opioids, and synthetic opioids. ConclusionsOpioid overdose mortality in New York State has worsened significantly in the last two decades. Further research is essential to identify driving factors for targeted public health interventions.

Racial/ethnic trends in opioid and polysubstance opioid overdose mortality in adolescents and young adults, 1999–2020

ObjectivesPrevious reports have described variations in opioid overdose mortalities among different race/ethnicity groups. We have analyzed racial/ethnicity trends in opioid and polysubstance opioid overdose mortalities in adolescents and young adults to further characterize differences and potential sub-epidemics within this specific population. MethodsWe used mortality data from the U.S. Centers for Disease Control and Prevention Wide-Ranging Online Data for Epidemiologic Research (WONDER) Multiple Cause of Death file from 1999 to 2020. Drug overdose mortalities were identified using International Classification of Diseases, Tenth Revision (ICD-10) codes. Joinpoint regression was used to examine mortality rates for all opioids, opioids with a stimulant, opioids with benzodiazepines, and opioids with alcohol among racial/ethnic groups (non-Hispanic white, non-Hispanic Black, Hispanic, non-Hispanic other) in adolescents and young adults. ResultsThe Average Annual Percent Change (AAPC) for mortality due to opioid and polysubstance opioid overdose increased for all racial/ethnic groups where data was available for analysis from 1999 to 2020. For mortality due to any opioid and any opioid with a stimulant, the greatest AAPC was seen among non-Hispanic Blacks. ConclusionsUnprecedented increases in mortality due to opioid overdose occurred in the last two decades among adolescents and young adults. Heterogenous trends support the notion that the previously defined opioid overdose epidemic “waves” may not accurately depict the effects of the crisis in all race/ethnicity groups. Additionally, alarming increases in opioid-stimulant overdose mortality starting in 2012 further characterize the interrelated effects of the third and fourth waves.

How do we understand the value of drug checking as a component of harm reduction services? A qualitative exploration of client and provider perspectives

BackgroundMortality related to opioid overdose in the U.S. has risen sharply in the past decade. In California, opioid overdose death rates more than tripled from 2018 to 2021, and deaths from synthetic opioids such as fentanyl increased more than seven times in those three years alone. Heightened attention to this crisis has attracted funding and programming opportunities for prevention and harm reduction interventions. Drug checking services offer people who use drugs the opportunity to test the chemical content of their own supply, but are not widely used in North America. We report on qualitative data from providers and clients of harm reduction and drug checking services, to explore how these services are used, experienced, and considered.MethodsWe conducted in-depth semi-structured key informant interviews across two samples of drug checking stakeholders: “clients” (individuals who use drugs and receive harm reduction services) and “providers” (subject matter experts and those providing clinical and harm reduction services to people who use drugs). Provider interviews were conducted via Zoom from June-November, 2022. Client interviews were conducted in person in San Francisco over a one-week period in November 2022. Data were analyzed following the tenets of thematic analysis.ResultsWe found that the value of drug checking includes but extends well beyond overdose prevention. Participants discussed ways that drug checking can fill a regulatory vacuum, serve as a tool of informal market regulation at the community level, and empower public health surveillance systems and clinical response. We present our findings within three key themes: (1) the role of drug checking in overdose prevention; (2) benefits to the overall agency, health, and wellbeing of people who use drugs; and (3) impacts of drug checking services at the community and systems levels.ConclusionThis study contributes to growing evidence of the effectiveness of drug checking services in mitigating risks associated with substance use, including overdose, through enabling people who use and sell drugs to test their own supply. It further contributes to discussions around the utility of drug checking and harm reduction, in order to inform legislation and funding allocation.

Opioid vaccine clinical testing: lessons learned.

Opioid use disorder (OUD) presents a serious public health concern, with dramatic increases in opioid-overdose mortality in recent years and a small percentage of those with OUD accessing or remaining engaged with available treatments. Efforts are currently underway to identify vaccines targeting opioids, which could provide a novel and complimentary approach. The current review provides an overview of existing literature, practical considerations for designing and conducting clinical trials with vaccines for opioids, and future directions. This review covers the following themes: clinical trial design and selection of endpoints, timepoint selection, practical considerations and lessons learned from the first (ongoing) trial of a vaccine targeting opioids, and future directions. Efforts to develop and test vaccines targeting OUD are based on a foundation of preclinical work and close collaboration between preclinical and clinical researchers. Efforts to learn from shortcomings of prior clinical trials of vaccines for other substances are essential in designing and testing effective vaccines for OUD. Design and implementation of clinical trials for a vaccine for OUD requires careful balance of participant safety and strategies for retention and efforts to gather viable data to inform future work.

County-level factors associated with a mismatch between opioid overdose mortality and availability of opioid treatment facilities.

Opioid overdose deaths in the United States remain a major public health crisis. Little is known about counties with high rates of opioid overdose mortality but low availability of opioid use disorder (OUD) treatment facilities. We sought to identify characteristics of United States (US) counties with high rates of opioid overdose mortality and low rates of opioid treatment facilities. Rates of overdose mortality from 3,130 US counties were compared with availability of opioid treatment facilities that prescribed or allowed medications for OUD (MOUD), from 2018-2019. The outcome variable, "risk-availability mismatch" county, was a binary indicator of a high rate (above national average) of opioid overdose mortality with a low (below national average) rate of opioid treatment facilities. Covariates of interest included county-level sociodemographics and rates of insurance, unemployment, educational attainment, poverty, urbanicity, opioid prescribing, depression, heart disease, Gini index, and Theil index. Multilevel logistic regression, accounting for the clustering of counties within states, was used to determine associations with being a "risk-availability mismatch" county. Of 3,130 counties, 1,203 (38.4%) had high rates of opioid overdose mortality. A total of 1,098 counties (35.1%) lacked a publicly-available opioid treatment facility in 2019. In the adjusted model, counties with an additional 1% of: white residents (odds ratio, OR, 1.02; 95% CI, 1.01-1.03), unemployment (OR, 1.11; 95% CI, 1.05-1.19), and residents without insurance (OR, 1.04; 95% CI, 1.01-1.08) had increased odds of being a mismatch county. Counties that were metropolitan (versus non-metropolitan) had an increased odds of being a mismatch county (OR, 1.85; 95% CI, 1.45-2.38). Assessing mismatch between treatment availability and need provides useful information to characterize counties that require greater public health investment. Interventions to reduce overdose mortality are unlikely to be effective if they do not take into account diverse upstream factors, including sociodemographics, disease burden, and geographic context of communities.

Funding and Delivery of Syringe Services Programs in the United States, 2022.

Objectives. To describe the current financial health of syringe services programs (SSPs) in the United States and to assess the predictors of SSP budget levels and associations with delivery of public health interventions. Methods. We surveyed all known SSPs operating in the United States from February to June 2022 (n = 456), of which 68% responded (n = 311). We used general estimating equations to assess factors influencing SSP budget size and estimated the effects of budget size on multiple measures of SSP services. Results. The median SSP annual budget was $100 000 (interquartile range = $20 159‒$290 000). SSPs operating in urban counties and counties with higher levels of opioid overdose mortality had significantly higher budget levels, while SSPs located in counties with higher levels of Republican voting in 2020 had significantly lower budget levels. SSP budget levels were significantly and positively associated with syringe and naloxone distribution coverage. Conclusions. Current SSP funding levels do not meet minimum benchmarks. Increased funding would help SSPs meet community health needs. Public Health Implications. Federal, state, and local initiatives should prioritize sustained SSP funding to optimize their potential in addressing multiple public health crises. (Am J Public Health. 2024;114(4):435-443. https://doi.org/10.2105/AJPH.2024.307583).

Financial barriers, facilitators, and strategies among syringe services programs in the U.S., and their impact on implementation and health outcomes

Syringe Services Programs (SSPs) provide evidence-based services like drug use equipment to prevent infectious disease, overdose prevention education, and naloxone distribution to people who use drugs (PWUD). However, inadequate funding threatens provision of these interventions. This study aimed to document how the current funding landscape impacted determinants of SSP implementation, particularly describing financial and staffing barriers, facilitators, and proposed strategies, using qualitative methods informed by three implementation research frameworks. We interviewed 20 leaders of SSPs in the United States using a semi-structured interview guide. Participants described how structural stigma against PWUD led to insufficient and restrictive funding, and burdensome reporting for SSPs. This resulted in harming program implementation outcomes like reach, fidelity, and sustainability. Inadequate funding also led to insufficient staffing and subsequent staff stress, burnout, and turnover. Taken together, these barriers threatened the implementation of evidence-based interventions that SSPs provided, ultimately harming their ability to effectively address health outcomes like infectious disease transmission and opioid overdose mortality within their communities. Interviewees described how upstream policy strategies like political advocacy might address structural stigma at the federal level. Participants also highlighted state-level efforts like harm reduction–centered funding, technical assistance and capacity-building, and clearinghouse programs that may facilitate better implementation and health outcomes. A more robust understanding of the relationship between financial barriers, facilitators, and strategies on implementation and health outcomes represents a novel and vital area of research within harm reduction literature.

Prison Buprenorphine Implementation and Postrelease Opioid Use Disorder Outcomes

Agonist medications for opioid use disorder (MOUD), buprenorphine and methadone, in carceral settings might reduce the risk of postrelease opioid overdose but are uncommonly offered. In April 2019, the Massachusetts Department of Correction (MADOC), the state prison system, provided buprenorphine for incarcerated individuals in addition to previously offered injectable naltrexone. To evaluate postrelease outcomes after buprenorphine implementation. This cohort study with interrupted time-series analysis used linked data across multiple statewide data sets in the Massachusetts Public Health Data Warehouse stratified by sex due to differences in carceral systems. Eligible participants were individuals sentenced and released from a MADOC facility to the community. The study period for the male sample was January 2014 to November 2020; for the female sample, January 2015 to October 2019. Data were analyzed between February 2022 and January 2024. April 2019 implementation of buprenorphine during incarceration. Receipt of MOUD within 4 weeks after release, opioid overdose, and all-cause mortality within 8 weeks after release, each measured as a percentage of monthly releases who experienced the outcome. Segmented linear regression analyzed changes in outcome rates after implementation. A total of 15 225 individuals were included. In the male sample there were 14 582 releases among 12 688 individuals (mean [SD] age, 35.0 [10.8] years; 133 Asian and Pacific Islander [0.9%], 4079 Black [28.0%], 4208 Hispanic [28.9%], 6117 White [41.9%]), a rate of 175.7 releases per month; the female sample included 3269 releases among 2537 individuals (mean [SD] age, 34.9 [9.8] years; 328 Black [10.0%], 225 Hispanic [6.9%], 2545 White [77.9%]), a rate of 56.4 releases per month. Among male participants at 20 months postimplementation, the monthly rate of postrelease buprenorphine receipt was higher than would have been expected under baseline trends (21.2% vs 10.6% of monthly releases; 18.6 additional releases per month). Naltrexone receipt was lower than expected (1.0% vs 6.0%; 8.8 fewer releases per month). Monthly rates of methadone receipt (1.4%) and opioid overdose (1.8%) were not significantly different than expected. All-cause mortality was lower than expected (1.9% vs 2.8%; 1.5 fewer deaths per month). Among female participants at 7 months postimplementation, buprenorphine receipt was higher than expected (31.6% vs 9.5%; 12.4 additional releases per month). Naltrexone receipt was lower than expected (3.4% vs 7.2%) but not statistically significantly different. Monthly rates of methadone receipt (1.1%), opioid overdose (4.8%), and all-cause mortality (1.6%) were not significantly different than expected. In this cohort study of state prison releases, postrelease buprenorphine receipt increased and naltrexone receipt decreased after buprenorphine became available during incarceration.