Publications by authors named "Gary A Zarkin"

Background: Alcohol use disorder, unemployment, and risk of homelessness are linked and often co-occurring, but most interventions do not address both alcohol use disorder and unemployment. The Abstinence-Contingent Wage Supplement (ACWS) model of the Therapeutic Workplace offers participants stipends or wage supplements contingent on both their abstaining from alcohol and engaging with an employment specialist or working in a community job. Wearable biosensors continuously tracked alcohol use.

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Importance: The HEALing Communities Study (HCS) evaluated the effectiveness of the Communities That HEAL (CTH) intervention in preventing fatal overdoses amidst the US opioid epidemic.

Objective: To evaluate the impact of the CTH intervention on total drug overdose deaths and overdose deaths involving combinations of opioids with psychostimulants or benzodiazepines.

Design, Setting, And Participants: This randomized clinical trial was a parallel-arm, multisite, community-randomized, open, and waitlisted controlled comparison trial of communities in 4 US states between 2020 and 2023.

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Article Synopsis
  • The Communities That HEAL (CTH) intervention aimed to boost naloxone distribution in communities severely affected by opioid overdoses compared to standard care.
  • A study involving 67 communities in Kentucky, Massachusetts, New York, and Ohio revealed that naloxone distribution was significantly higher (79% more) in the CTH intervention group than in the usual care group over a year of monitoring.
  • The findings suggest that the CTH intervention effectively increased naloxone distribution, supporting its role in reducing opioid-related overdose deaths.
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Article Synopsis
  • The study examines a community-based intervention aimed at reducing opioid-related overdose deaths by increasing the adoption of evidence-based practices including overdose education and naloxone distribution, medication treatment for opioid use disorder, and prescription safety.
  • In a cluster-randomized trial, 67 communities across Kentucky, Massachusetts, New York, and Ohio were assigned to either receive the intervention or serve as a control group during a period marked by the COVID-19 pandemic and an increase in fentanyl overdoses.
  • Results showed no significant difference in opioid-related overdose death rates between the intervention and control groups, with both averaging similar rates, indicating that the community-engaged strategies did not have a measurable impact during the study period.
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Background: Communities That HEAL (CTH) is a novel, data-driven community-engaged intervention designed to reduce opioid overdose deaths by increasing community engagement, adoption of an integrated set of evidence-based practices, and delivering a communications campaign across healthcare, behavioral-health, criminal-legal, and other community-based settings. The implementation of such a complex initiative requires up-front investments of time and other expenditures (i.e.

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Importance: Buprenorphine significantly reduces opioid-related overdose mortality. From 2002 to 2022, the Drug Addiction Treatment Act of 2000 (DATA 2000) required qualified practitioners to receive a waiver from the Drug Enforcement Agency to prescribe buprenorphine for treatment of opioid use disorder. During this period, waiver uptake among practitioners was modest; subsequent changes need to be examined.

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Objectives: In the midst of the opioid overdose crisis, local jurisdictions face a choice of public health interventions. A significant barrier when considering evidence-based practices (EBPs) is the lack of information regarding their implementation cost. This protocol paper provides the methodological foundation for the economic cost evaluations of community-wide strategies on the scale of a national study.

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Background: Few studies have examined the cost of medication for opioid use disorder (MOUD) with counseling for the adolescent and young adult population. This study calculated the health care utilization and cost of MOUD treatment, other substance use disorder treatment, and general health care for adolescents and young adults receiving treatment for opioid use disorder.

Methods: The study randomized youth ages 15 to 21 (N = 288) equally into the two study conditions: extended-release naltrexone (XR-NTX) or treatment as usual (TAU).

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Background: More than half a million Americans died of an opioid-related overdose between 1999 and 2020, the majority occurring between 2015 and 2020. The opioid overdose mortality epidemic disproportionately impacts Black, Indigenous, and people of color (BIPOC): since 2015, overdose mortality rates have increased substantially more among Black (114%) and Latinx (97%) populations compared with White populations (32%). This is in part due to disparities in access to naloxone, an opioid antagonist that can effectively reverse opioid overdose to prevent death.

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Article Synopsis
  • - The Abstinence-Contingent Wage Supplement (ACWS) trial combined workplace therapies with financial incentives for sobriety, successfully increasing participants' employment rates and abstinence from drugs.
  • - The study analyzed the costs of the ACWS intervention, finding it cost $11,310 per participant over a year, which is part of higher overall costs compared to usual care, totaling $30,686 for ACWS.
  • - Results suggest that ACWS is cost-effective, with incremental costs of $1,437 for negative drug tests and $915 for each additional employed participant, making it a viable option for addressing substance use disorders and unemployment when budgets allow.
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Background And Aims: Alcohol consumption increased in the early phases of the COVID-19 pandemic in the United States. Alcohol use disorder (AUD) and risky drinking are linked to harmful health effects. This paper aimed to project future health and cost impacts of shifts in alcohol consumption during the COVID-19 pandemic.

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Background: A randomized clinical trial found that patient navigation for hospital patients with comorbid substance use disorders (SUDs) reduced emergency department (ED) and inpatient hospital utilization compared with treatment-as-usual.

Objective: To compare the cost and calculate any cost savings from the Navigation Services to Avoid Rehospitalization (NavSTAR) intervention over treatment-as-usual.

Research Design: This study calculates activity-based costs from the health care providers and uses a net benefits approach to calculate the cost savings generated from NavSTAR.

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Background: Medications to treat opioid use disorder (OUD) including buprenorphine products are evidence-based and cost-effective tools for combating the opioid crisis. However, limited availability to buprenorphine is pervasive in the United States (US) and may serve to exacerbate the deadly epidemic. Although prior research points to rural counties as especially needy of strategies that improve buprenorphine availability, it is important to investigate the availability of waivered providers according to treatment need as defined by the county-level rate of opioid-overdose deaths (OOD).

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Background: Abstinence has historically been considered the target outcome for alcohol use disorder (AUD) treatment, yet recent work has found drinking reductions after AUD treatment, as measured by World Health Organization (WHO) risk drinking levels, are associated with meaningful improvements in functioning, physical health, and quality of life.

Objectives: This study extends previous analyses of AUD treatment outcomes by estimating the association between changes in WHO risk drinking levels (very high, high, medium, and low, based on average daily alcohol consumption) and healthcare costs.

Methods: Secondary data analysis of the COMBINE study, a multisite randomized clinical trial of acamprosate, naltrexone and behavioral interventions for AUD.

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Only 63% of people living with HIV in the United States are achieving viral suppression. Structural and social barriers limit adherence to antiretroviral therapy which furthers the HIV epidemic while increasing health care costs. This study calculated the cost and cost-effectiveness of a contingency management intervention with cash incentives.

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Aims: To assess differences in the quality of opioid use disorder (OUD) treatment received by Medicare beneficiaries enrolled in health plans that used prior authorization (PA) for buprenorphine-naloxone compared with those enrolled in plans that did not use PA.

Design, Setting And Participants: Cross-sectional observational study, United States. Continuously enrolled beneficiaries (71 294) with an OUD who filled at least one prescription for buprenorphine-naloxone between March 2012 and July 2017.

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Objective: This study characterized the use of prior authorization for opioid use disorder medications as compared with that for opioid pain medications in the United States among Medicare Part D plans.

Method: Medicare Part D formulary data from 2017-2019 were used to describe differences in prior authorization between opioid use disorder medications and opioid pain medications.

Results: In 2017, 72% of Medicare Part D formularies required prior authorization for brand buprenorphine-naloxone, whereas 6% of formularies required prior authorization for brand oxycodone.

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Background: The World Health Organization (WHO) categorizes alcohol consumption according to grams consumed into low-, medium-, high-, and very-high-risk drinking levels (RDLs). Although abstinence has been considered the ideal outcome of alcohol treatment, reductions in WHO RDLs have been proposed as primary outcomes for alcohol use disorder (AUD) trials.

Objective: The current study examines the stability of WHO RDL reductions and the association between RDL reductions and long-term functioning for up to 3 years following treatment.

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Background: The HEALing Communities Study (HCS) is designed to implement and evaluate the Communities That HEAL (CTH) intervention, a conceptually driven framework to assist communities in selecting and adopting evidence-based practices to reduce opioid overdose deaths. The goal of the HCS is to produce generalizable information for policy makers and community stakeholders seeking to implement CTH or a similar community intervention. To support this objective, one aim of the HCS is a health economics study (HES), the results of which will inform decisions around fiscal feasibility and sustainability relevant to other community settings.

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