This Week in Addiction Medicine from ASAM

Lead: Comprehensive drug policies increase trust in local government: an analysis of authorities’ and residents’ perspectives in rural US Appalachian and Midwestern counties

Comprehensive drug policies increase trust in local government: an analysis of authorities’ and residents’ perspectives in rural US Appalachian and Midwestern counties 🔓
Harm Reduction Journal
Implementation of harm reduction intervention policies by local governments may be met with caution because of concern about potential backlash from communities and erosion of public trust. The authors conducted two studies to assess the influence of perceptions of government support for comprehensive drug policies (including harm reduction) on public trust in local government. In both a field study and an experimental study, the authors found that public trust was positively associated with increased perception of government support for comprehensive drug policies. The authors note residents recognized harm reduction policies as a step to address the issue of drug use, and these findings may ease some concerns about public pushback for local government officials when considering these policies. 
 
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Lead: Hospital Addiction Consultation Service and Opioid Use Disorder Treatment

Hospital Addiction Consultation Service and Opioid Use Disorder Treatment
JAMA Internal Medicine
While medication for opioid use disorder (MOUD) is effective, many patients with OUD do not receive it, particularly in hospitalized settings. In this randomized trial they evaluated the Substance Use Treatment and Recovery Team (START) model, a team of an addiction medicine provider and a care manager, and provided motivational interviewing, discharge planning and telephone follow-up for one month. Patients who received the START intervention were more likely to receive MOUD (aRR=2.10) and connect to OUD care after discharge (aRR=1.49). In addition, these patients were more likely to have an OUD-focused discharge plan (aRR=1.8), initiate or continue MOUD post discharge (aRR=1.71), and see a clinician for OUD post discharge (aRR=1.89). These findings support use of hospital-based addiction consult services to address this healthcare gap.
 
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Lead: Averted lung cancer deaths due to reductions in cigarette smoking in the United States, 1970–2022

Averted lung cancer deaths due to reductions in cigarette smoking in the United States, 1970–2022 
Cancer
Smoking prevalence peaked in the 50s and 60s but has declined following the US Surgeon General’s report in 1964 on its health risk. As 85% of lung cancer is attributable to smoking, the authors evaluated this impact by assessing lung cancer deaths averted, and person-years of life (PYL) gained between 1970 and 2022 using cancer mortality data from the CDC. The authors estimated 3,856,240 lung cancer deaths were averted and 76,275,550 PYL were gained during the study period (average of 19.8 PYL gained per death averted). The deaths averted were higher in men (2,246,610), but average PYL gained per death averted was higher in women (22.4 years). Lung cancer deaths averted accounted for 51.4% of the estimated decrease in overall cancer deaths.  The findings highlight the importance of tobacco controls and interventions and need for ongoing efforts to decrease tobacco use. 
 
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Lead: Prescription Stimulant Use, Misuse, and Use Disorder Among US Adults Aged 18 to 64 Years

Prescription Stimulant Use, Misuse, and Use Disorder Among US Adults Aged 18 to 64 Years 
JAMA Psychiatry
This study examined the prevalence of prescription stimulant use, prescription stimulant misuse, and prescription stimulant use disorder (PSUD) among adults aged 18 to 64 years in the US. Researchers found that 25.3% of adults in the study reported misuse, and 9.0% had PSUD. Among those with PSUD, 72.9% solely used their own prescribed stimulants, 87.1% used amphetamines, 42.5% reported no misuse, and 63.6% had mild PSUD. The prevalence of misuse was 3.1 times higher and the prevalence of PSUD was 2.2 times higher among those using prescription amphetamines than among those using methylphenidate. Regardless of prescription stimulant misuse status, screening for and treating PSUD is needed for US adults aged 18 to 64 years using prescription stimulants, especially those receiving prescription amphetamines. 
 
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Lead: Alcohol Use Disorder Medication Coverage and Utilization Management in Medicaid Managed Care Plans

Alcohol Use Disorder Medication Coverage and Utilization Management in Medicaid Managed Care Plans 
JAMA Network Open
This cross-sectional study examined how Medicaid managed care plans (MCPs) cover and manage medications for alcohol use disorder (AUD). A content analysis of publicly available data from all 241 comprehensive Medicaid MCPs in 2021 revealed that 103 plans (42.7%) covered all approved medications (acamprosate, naltrexone, and disulfiram) for AUD. Prior authorization and quantity limits were used rarely, except for injectable naltrexone. This study suggests that expanding medication use for AUD and providing patient-centered care may be undermined by insurance coverage limitations.
 
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Lead: Association Between Telehealth Initiation Of Stimulant Therapy And New Substance Use Disorder Diagnoses

Association Between Telehealth Initiation Of Stimulant Therapy And New Substance Use Disorder Diagnoses
Health Affairs
During the COVID-19 pandemic, the Drug Enforcement Administration (DEA) temporarily allowed for prescribing of controlled substances via telehealth and extended the policy through the end of 2025. With concern about potential adverse outcomes with this policy, there is debate about making it permanent. The authors utilized commercial and Medicaid claims data to assess newly diagnosed substance use disorders (SUD) after initiation of stimulants via telehealth versus in-person visits to inform this policy decision. In unadjusted analysis, patients initiated on stimulants via telehealth visits had higher rates of non-ADHD psychiatric comorbidities and new diagnoses of SUD in the year following initiation. In the adjusted analysis, controlling for psychiatric comorbidities, they did not find a difference in SUD outcomes. The authors suggest additional research to inform policy decisions.
 
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Lead: The association between buprenorphine doses above 16 milligrams and treatment retention in a multi-payer national sample in the United States, 2014 to 2021

The association between buprenorphine doses above 16 milligrams and treatment retention in a multi-payer national sample in the United States, 2014 to 2021
Addiction
Buprenorphine labeling identifies 16 mg as the “target dose,” supported by prior evidence that higher doses (≥16 mg) were associated with increased retention in treatment. Studies comparing doses above 16 mg to 16 mg, particularly in the era of fentanyl, have been very limited. The authors conducted a cohort study to look at retention for those receiving 24, 32, and 40 mg compared to 16 mg. Overall, higher doses were associated with increased retention, as follows: 1) 24 mg was more effective than 16 mg at 1 (aOR=1.52) and 18 months (aOR=1.17), 2) 32 mg was more effective than 24 mg at 6 (aOR=1.06), 12 (aOR=1.09), and 18 months (aOR=1.12), and 3) 40 mg was more effective than 24 mg at 12 (aOR=1.10) and 18 months (aOR=1.18). The authors suggest updates to label language and recommendations are prudent, while also supporting more research on long-term treatment with these higher doses.
 
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Lead: Illicit Substance Use and Treatment Access Among Adults Experiencing Homelessness

Illicit Substance Use and Treatment Access Among Adults Experiencing Homelessness
Journal of the American Medical Association
Utilizing a multistaged probability-based survey, this study assessed the prevalence of illicit substance use, treatment, nonfatal overdose, and naloxone possession among 3,200 adults experiencing homelessness in California from October 2021 to November 2022.  An estimated 37% of respondents reported using any illicit substance regularly (≥ 3 times per week) in the last 6 months; methamphetamine use (33%) was the most common. Of those who reported regular use, an estimated 21% wanted but were unable to receive treatment. Approximately 20% of participants reported a nonfatal overdose, and 25% reported being in possession of naloxone. Substance use and nonfatal overdose were common among people experiencing homelessness in California. There was a high unmet need for substance use treatment and naloxone.
 
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Lead: Once-Weekly Semaglutide in Adults With Alcohol Use Disorder

Once-Weekly Semaglutide in Adults With Alcohol Use Disorder 
JAMA Psychiatry 
This randomized clinical trial explored if glucagon-like peptide 1 (GLP-1) receptor agonist semaglutide reduces alcohol consumption and craving in adults with alcohol use disorder (AUD). Relative to placebo, low-dose semaglutide reduced the amount of alcohol consumed during a posttreatment laboratory self-administration procedure. Over the course of nine weeks of treatment, semaglutide led to reductions in some but not all measures of weekly consumption, significantly reduced weekly alcohol craving relative to placebo, and led to greater relative reductions in cigarettes per day in a subgroup of participants with current cigarette use. These results justify larger clinical trials of incretin therapies for AUD.
 
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Lead: Cannabis Use Disorder Emergency Department Visits and Hospitalizations and 5-Year Mortality

Cannabis Use Disorder Emergency Department Visits and Hospitalizations and 5-Year Mortality
JAMA Network Open
This cohort study of 11.6 million people who were studied for a median of five years investigated if individuals who have hospital-based (emergency department or hospitalization) care for a cannabis use disorder (CUD) were at increased risk of death. Researchers found that individuals with incident hospital-based care for a CUD were at a 2.8-fold increased risk of death within five years relative to the general population. These results suggest that individuals who require hospital-based care for a CUD may be at increased risk of premature death.
 
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