American Journal of Drug and Alcohol Abuse最新文献

{"title":"\"I drink less and that's no small matter\": a qualitative descriptive study of a managed alcohol program evaluation in Barcelona.","authors":"David Filomena Velandia, Ester Aranda Rodríguez, Amaia Garrido Albaina, Catrina Clotas, Montse Bartroli Checa, M Isabel Pasarín Rua, Mercè Gotsens","doi":"10.1080/00952990.2024.2404242","DOIUrl":"https://doi.org/10.1080/00952990.2024.2404242","url":null,"abstract":"<p><p><i>Background:</i> The concurrence of homelessness and alcohol use disorder (AUD) has negative consequences in affected individuals. Managed alcohol programs (MAPs), a harm reduction strategy based on providing regular doses of alcohol to individuals with AUD, have emerged as a potential solution to reduce alcohol-related harms.<i>Objectives:</i> This study examined the impact of a MAP implemented in Barcelona on patterns of alcohol and other psychoactive substance use, health, and quality of life among people who use drugs and were experiencing homelessness. The research also incorporated a gender perspective and focused on individuals who had accessed a residential center.<i>Methods:</i> A descriptive qualitative design was used, employing semi-structured interviews with eight participants who were enrolled in the MAP (three women, five men) and four program professionals. Thematic analysis was used to analyze the resulting data.<i>Results:</i> The domains guiding the study appeared as outcome themes: patterns of use of alcohol and other substances, health, quality of life and impact on female-identified participants. Participants reported improved health due to reduced consumption of alcohol and other substances, better anxiety management, and reconnection to health services. The participants reported enhanced quality of life, including feeling safer, and better use of time, which had been spent on meeting their basic needs. Women reported that a key benefit of the program was living in a sexism-free environment.<i>Conclusion:</i> These results appear to demonstrate that harm reduction strategies prioritizing basic needs and adopting a gender-sensitive perspective can positively impact the health and quality of life of people experiencing homelessness with AUD.</p>","PeriodicalId":48957,"journal":{"name":"American Journal of Drug and Alcohol Abuse","volume":" ","pages":"1-10"},"PeriodicalIF":2.7,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A study of long-term supraphysiologic-dose anabolic-androgenic steroid use on cognitive function in middle-aged men.","authors":"Marc J Kaufman, James I Hudson, Gen Kanayama, Samantha Muse, Jiana Schnabel, Rosalind Sokoll, Harrison G Pope","doi":"10.1080/00952990.2024.2403582","DOIUrl":"10.1080/00952990.2024.2403582","url":null,"abstract":"<p><p><i>Background:</i> Long-term use of supraphysiologic doses of anabolic-androgenic steroids (AAS) has been associated with impaired visuospatial memory in young men but little is known about its cognitive effects in middle-aged men.<i>Objectives:</i> We compared cognition in middle-aged men with histories of long-term AAS use and age-matched non-users.<i>Methods:</i> We administered cognitive tests from the CANTAB battery to 76 weightlifters aged 37-60 years (mean [SD] 48.5 [6.5] years), of whom 51 reported at least 2 years of cumulative AAS use and 25 reported no AAS exposure.<i>Results:</i> We found no significant AAS user versus non-user group differences on visuospatial, verbal memory, emotional recognition, or executive function tasks (corrected <i>p</i>'s ≥ .00089; effect sizes ≤ .5).<i>Conclusions:</i> Our null visuospatial task findings contrast with our prior younger cohort study (mean age 37.1 [7.1] years), in which we found impaired visuospatial task performance in people who use AAS, and with other reports of cognitive impairments in younger men use AAS. Men who use AAS may develop early visuospatial memory deficits that stabilize by middle age while middle-aged non-users' performance may \"catch up\" due to normal age-related visuospatial declines. Similar effects could contribute to our null findings on other tasks. Between-study cohort substance use differences or environmental factor differences that modify cognition, such as study geographical location and time of year, also could contribute to our discordant findings. Since young adult male AAS users experience increased mortality from unnatural causes, improving our understanding of AAS cognitive effects in this age group is important.</p>","PeriodicalId":48957,"journal":{"name":"American Journal of Drug and Alcohol Abuse","volume":" ","pages":"1-12"},"PeriodicalIF":2.7,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142382133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A novel rural hospital/clinic-system practice-based research network: the Rural Addiction Implementation Network (RAIN) initiative and its goals, implementation, and early results.","authors":"Kody Hafen, Harlan Wallace, Kayla Fritz, Cole Fordham, Tyler Haskell, A Taylor Kelley, Audrey L Jones, Gerald Cochran, Adam J Gordon","doi":"10.1080/00952990.2024.2394487","DOIUrl":"10.1080/00952990.2024.2394487","url":null,"abstract":"<p><p><i>Background:</i> Rural and frontier communities face high rates of opioid use disorders (OUDs). In 2021, the Rural Addiction Implementation Network (RAIN) sought to establish a rural hospital/clinic-system practice-based research network (RH-PBRN) to facilitate implementation of evidence-based addiction-related prevention, treatment, and recovery (PTR) services to reduce the morbidity of OUD and substance use disorder (SUD) in rural communities.<i>Objective:</i> To describe the goals and implementation of PTR activities of RAIN, a novel RH-PBRN.<i>Methods:</i> RAIN identified teams of external/internal facilitators at four rural hospitals/clinic-networks to achieve at least 15 PTR activities involving OUD and other SUDs. RAIN utilized an implementation-facilitation approach: facilitators assessed the implementation environment and promoted interventions to overcome barriers to PTR implementation. Other interventions included site visits, community of learning calls, and e-communication. RAIN assessed and recorded facilitators and barriers to implementation, milestone attainment, and outcomes of PTR activities. At 18 months, we queried facilitators about the fidelity and implementation of RAIN activities.<i>Results:</i> RAIN established an HP-PBRN in four sites (Idaho, Montana, Utah, and Wyoming). Within the HP-PBRN, 20 PTR activities were established (<i>p</i> = 7, <i>T</i> = 10, <i>R</i> = 3; range 3-7 per site). Barriers to implementation of PTR activities included competing clinical demands, especially due to COVID-19, lack of dedicated effort for staff at sites, and stigma of addiction and its treatment. Facilitators of implementation included the use of trained expert facilitators and communication between the sites.<i>Conclusions:</i> RAIN implemented 20 addiction-related PTR activities in four rural hospitals/clinic-networks. RAIN's intervention model could be replicated to address addiction-related harms in other rural communities.</p>","PeriodicalId":48957,"journal":{"name":"American Journal of Drug and Alcohol Abuse","volume":" ","pages":"1-12"},"PeriodicalIF":2.7,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142373334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"High lifetime prevalence of regular nitrous oxide use in French medical students.","authors":"Mathilde Thevenin, Alexandre Malmartel, Laurent Karila, Mathilde Camus Jacqmin","doi":"10.1080/00952990.2024.2392566","DOIUrl":"https://doi.org/10.1080/00952990.2024.2392566","url":null,"abstract":"<p><p><i>Background:</i> Although nitrous oxide (N₂O) is increasingly misused recreationally, its use and risks among medical students who have professional access to it are rarely explored.<i>Objectives:</i> To investigate the recreational use of N₂O among medical students in Paris Region (France).<i>Methods:</i> This cross-sectional study used an online questionnaire distributed in 2022 through social networks, to all medical students (undergraduate student from the 2nd year of medical studies to residents until the end of the residency) from the six medical universities in Paris Region. We collected demographic characteristics, patterns of N₂O consumption, co-consumptions, and N₂O training (academic course or self-training). Factors associated with N₂O consumption and complications were analyzed using multivariable logistic regressions.<i>Results:</i> The questionnaires of 444 students (mean age: 25.9 years (SD = 2.69), 75.5% female, and 63.74% residents) were analyzed. Recreational N₂O consumption was reported by 71.85% of students and 20.50% consumed at least monthly. N₂O consumption was associated with being a resident (versus undergraduate student) (adjusted OR (aOR) = 3.07[1.45-6.72]; <i>p</i> < .01), receiving training on N₂O (aOR) = 3.13[1.84-6.24]; <i>p</i> < .01), and consumption of cannabis (aOR = 18.21[3.47-104.26]; <i>p</i> < .01), ecstasy (aOR = NA, <i>p</i> = .048) and poppers (aOR = 13.9[2.64-77.94]; <i>p</i> < .01). Complications (mainly dizziness, paresthesia and burns) were reported in 8.15% of students consuming N₂O. They were associated with consuming more than 10 balloons per intake (aOR = 6.04[1.32-25.00); <i>p</i> < .01) and inversely associated with receiving training (aOR = 0.35[0.14-0.86]; <i>p</i> = .01).<i>Conclusions:</i> Almost three-quarters of medical students experienced recreational N₂O consumption, particularly with poly-drug use. Given that complications were associated with high consumption and lack of education, risk training and screening for N₂O consumption could be beneficial.</p>","PeriodicalId":48957,"journal":{"name":"American Journal of Drug and Alcohol Abuse","volume":" ","pages":"1-8"},"PeriodicalIF":2.7,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142330585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring the impact of inflammatory cytokines on alcoholic liver disease: a Mendelian randomization study with bioinformatics insights into potential biological mechanisms.","authors":"Zhitao Chen, Chenchen Ding, Kailei Chen, Chicheng Lu, Qiyong Li","doi":"10.1080/00952990.2024.2402569","DOIUrl":"https://doi.org/10.1080/00952990.2024.2402569","url":null,"abstract":"<p><p><i>Background:</i> Alcoholic liver disease (ALD) significantly contributes to global morbidity and mortality. The role of inflammatory cytokines in alcohol-induced liver injury is pivotal yet not fully elucidated.<i>Objectives:</i> To establish a causal link between inflammatory cytokines and ALD using a Mendelian Randomization (MR) framework.<i>Methods:</i> This MR study utilized genome-wide significant variants as instrumental variables (IVs) for assessing the relationship between inflammatory cytokines and ALD risk, focusing on individuals of European descent. The approach was supported by comprehensive sensitivity analyses and augmented by bioinformatics tools including differential gene expression, protein-protein interactions (PPI), Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis, and analysis of immune cell infiltration.<i>Results:</i> Our findings reveal that increased levels of stem cell growth factor beta (SCGF-β, beta = 0.141, <i>p</i> = .032) and interleukin-7 (IL-7, beta = 0.311, <i>p</i> = .002) are associated with heightened ALD risk, whereas higher levels of macrophage inflammatory protein-1α (MIP-1α, beta = -0.396, <i>p</i> = .004) and basic fibroblast growth factor (bFGF, beta = -0.628, <i>p</i> = .008) are linked to reduced risk. The sensitivity analyses support these robust causal relationships. Bioinformatics analyses around inflammatory cytokine-associated SNP loci suggest multiple pathways through which cytokines influence ALD.<i>Conclusion:</i> The genetic evidence from this study convincingly demonstrates that certain inflammatory cytokines play directional roles in ALD pathogenesis. These findings provide insights into the complex biological pathways involved and underscore the potential for developing targeted therapies that modulate these inflammatory responses, ultimately improving clinical outcomes for ALD patients.</p>","PeriodicalId":48957,"journal":{"name":"American Journal of Drug and Alcohol Abuse","volume":" ","pages":"1-16"},"PeriodicalIF":2.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142330584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Perceptions of disposal options for unused opioid analgesics among people who have been prescribed an opioid analgesic in North Carolina.","authors":"Cassidy Joyce, Alice R Richman, Melissa J Cox, Donald W Helme, J Todd Jackson, Mahdi Sesay, Kathleen L Egan","doi":"10.1080/00952990.2024.2386536","DOIUrl":"https://doi.org/10.1080/00952990.2024.2386536","url":null,"abstract":"<p><p><i>Background:</i> Medication disposal programs have been promoted as one solution to the opioid crisis, but uptake by community members has been minimal.<i>Objectives:</i> To clarify perceptions of medication disposal options among people who have been prescribed an opioid analgesic in North Carolina to inform interventions that can facilitate the disposal of unused opioids.<i>Methods:</i> In 2022, we conducted focus groups with participants who received an opioid medication in the past year to gain information to develop an intervention related to the disposal of unused opioid medication (12 focus group discussions (FGDs); total <i>N</i> = 37; 30 identified as female, 6 as male, and 1 as another gender). Participants were shown a slide with the Food and Drug Administration's recommended disposal options and asked about their perceptions of each option. Themes were derived using an inductive, thematic, qualitative approach.<i>Results:</i> Seven themes about perceptions of medication disposal programs emerged from the data. Four of the themes reflect potential barriers to medication disposal: failed disposal attempts, lack of sufficient education on proper disposal, unclear meaning of specific disposal language, and concerns about existing disposal options. Three of the themes provide insight on potential facilitators of medication disposal: preference of low-cost disposal options, ease and accessibility among disposal methods, and preferred disposal methods.<i>Conclusion:</i> Patients should be provided clear and consistent guidance from prescribers and dispensing pharmacists on when and how to dispose of unused medications and opportunities to dispose of medications at no cost to the patient.</p>","PeriodicalId":48957,"journal":{"name":"American Journal of Drug and Alcohol Abuse","volume":" ","pages":"1-12"},"PeriodicalIF":2.7,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142019215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Implementing contingency management into rural recovery housing: recommendations of a professional advisory expert panel.","authors":"David M Ledgerwood, Milena C Stott, Stacey Quesada, Marci Sontag, Rachel M Beck, Michael G McDonell, David Johnson, Dominick DePhilippis, Sherrie Donnelly, Bryan Hartzler, Tammera Nauts, Matthew D Novak, James A Peck, Carla J Rash","doi":"10.1080/00952990.2024.2387725","DOIUrl":"https://doi.org/10.1080/00952990.2024.2387725","url":null,"abstract":"<p><p><i>Background:</i> Rural areas in the United States have been severely impacted by recent rises in substance use related mortality and psychosocial consequences. There is a dearth of treatment resources to address substance use disorder (SUD). Rural recovery houses (RRH) are important services that provide individuals with SUD with an environment where they can engage in recovery-oriented activities, but dropout rates are unacceptably high, and evidence-based interventions such as contingency management (CM) may reduce dropout and improve outcomes for RRH residents. In this paper, we describe the results of a national convening of experts that addressed important issues concerning the implementation of CM within the context of RRHs.<i>Methods:</i> Twelve experts (five female) in the areas of CM, RRH and rural health participated in a one-day facilitated meeting that used nominal group technique to identify expert consensus in three areas as they pertain to RRH: (a) facilitators and barriers to CM implementation, (b) elements necessary for successful program building based on group feedback, and (c) recommendations for future implementation of CM.<i>Results:</i> Several RRH- and system-level barriers and facilitators to implementing CM were identified by the panel, and these were categorized based on the level of importance for and ease of implementation. CM funding, staff and resident buy-in, set policies, education on CM, and consistent fidelity to CM procedures and tracking were identified as important requirements for implementing CM in RRH.<i>Conclusions:</i> We provide recommendations for the implementation of CM in RRH that may be useful in this context, as well as more broadly.</p>","PeriodicalId":48957,"journal":{"name":"American Journal of Drug and Alcohol Abuse","volume":" ","pages":"1-10"},"PeriodicalIF":2.7,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142019214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Psychometric properties and Longitudinal Measurement Invariance of the Spanish version of the Alcohol Expectancies Questionnaire Short Form among young adult binge drinkers.","authors":"Bella M González-Ponce, Angelina Pilatti, Gabriela Rivarola Montejano, Adrian J Bravo, Fermín Fernández Calderón","doi":"10.1080/00952990.2024.2377256","DOIUrl":"https://doi.org/10.1080/00952990.2024.2377256","url":null,"abstract":"<p><p><i>Background:</i> Longitudinal Measurement Invariance (LMI) is critically important to evaluate changes in alcohol expectancies over time. However, past research has not explored the longitudinal properties of the Spanish Expectancy Questionnaire Short Form (EQ-SF).<i>Objectives:</i> To examine the reliability, sources of validity (structural, invariance across sex, and concurrent validity), and LMI of the Spanish EQ-SF among young adults who engage in binge drinking.<i>Methods:</i> Participants (<i>n</i> = 279; 48.4% female) completed the EQ-SF and, two months later, completed it again along with measures of alcohol use, drinking motives, and protective behavioral strategies (PBS). We performed confirmatory factor analysis for structural validity and measurement invariance analysis for longitudinal and sex stability.<i>Results:</i> The eight-factor intercorrelated model (i.e. social facilitation, fun, sexual disinhibition, tension reduction, antisocial effects, negative emotional states, negative physical effects, and cognitive impairments) provided the best fit (<i>χ2</i>(df) = 497.29(224), <i>CFI</i> = .962, <i>RMSEA</i> = .064, <i>SRMR</i> = .049). This model was invariant across sex and time. Reliability coefficients (Ordinal alpha) for each dimension were consistently strong at both time points (from .72 to .93 at T1 and .73 to .91 at T2). Positive alcohol expectancies at baseline were positively related to alcohol use and drinking motives and negatively related to PBS at follow-up, demonstrating predictive validity.<i>Conclusion:</i> Our results support the temporal invariance of the EQ-SF scores among Spanish young adults who engage in binge drinking. The evidence supports the suitability of this measure for accurately assessing changes in alcohol expectancies over time in interventions aimed at preventing binge drinking in young adults.</p>","PeriodicalId":48957,"journal":{"name":"American Journal of Drug and Alcohol Abuse","volume":" ","pages":"1-12"},"PeriodicalIF":2.7,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142005647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Trends in the availability of comprehensive services within outpatient substance use treatment facilities from 2018 to 2022.","authors":"Zoe Lindenfeld, Jonathan H Cantor, Ji E Chang","doi":"10.1080/00952990.2024.2370462","DOIUrl":"https://doi.org/10.1080/00952990.2024.2370462","url":null,"abstract":"<p><p><i>Background:</i> Little is known regarding the extent to which substance use disorder (SUD) treatment facilities adopt comprehensive services to meet patients' medical and social needs.<i>Objective:</i> To examine trends in the availability of comprehensive services within outpatient SUD treatment facilities from 2018 to 2022.<i>Methods:</i> We used data from the Mental Health and Addiction Treatment Tracking Repository, a national database of SUD treatment facilities (<i>n</i> = 13,793). We examined the availability of four domains of comprehensive services and four types of SUD treatment services from 2018 to 2022. We conducted bivariate and multivariate logistic regression predicting the availability of a comprehensive service model (defined as having at least one service from each service domain), controlling for organizational and community characteristics.<i>Results:</i> Comprehensive services were increasingly offered from 2018 to 2022. In unadjusted and adjusted models, facilities which were externally accredited (OR: 1.50; 95%CI: 1.30-1.74), accepted Medicaid (OR: 1.51; 95%CI: 1.30-1.74), performed community outreach (OR: 2.05; 95%CI: 1.80-2.33), provided naloxone and overdose education (OR: 3.50; 95%CI: 3.06-3.99), had a robust SUD treatment infrastructure (OR: 2.33; 95%CI; 2.08-2.62), and were located in a county with a lower percentage of White residents (OR: 0.99; 95%CI: 0.99-0.99), a higher percentage of residents in poverty (OR: 1.02; 95%CI: 1.00-1.03), and the Northeast compared with the South (OR: 1.21; 95%CI: 1.01-1.45), had significantly higher odds of adopting a comprehensive service model.<i>Conclusion:</i> Findings highlight the importance of factors reflecting experience with organizational change efforts and enhanced external support. Policymakers working to enhance the uptake of comprehensive services should focus on obtaining the financial and technical support necessary to develop these models.</p>","PeriodicalId":48957,"journal":{"name":"American Journal of Drug and Alcohol Abuse","volume":" ","pages":"1-12"},"PeriodicalIF":2.7,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141856907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Detecting univariate, bivariate, and overall effects of drug mixtures using Bayesian kernel machine regression.","authors":"Jemar R Bather, Larry Han, Alex S Bennett, Luther Elliott, Melody S Goodman","doi":"10.1080/00952990.2024.2380463","DOIUrl":"https://doi.org/10.1080/00952990.2024.2380463","url":null,"abstract":"<p><p><i>Background:</i> Innovative analytic approaches to drug studies are needed to understand better the co-use of opioids with non-opioids among people using illicit drugs. One approach is the Bayesian kernel machine regression (BKMR), widely applied in environmental epidemiology to study exposure mixtures but has received far less attention in substance use research.<i>Objective:</i> To describe the utility of the BKMR approach to study the effects of drug substance mixtures on health outcomes.<i>Methods:</i> We simulated data for 200 individuals. Using the Vale and Maurelli method, we simulated multivariate non-normal drug exposure data: xylazine (mean = 300 ng/mL, SD = 100 ng/mL), fentanyl (mean = 200 ng/mL, SD = 71 ng/mL), benzodiazepine (mean = 300 ng/mL, SD = 55 ng/mL), and nitazene (mean = 200 ng/mL, SD = 141 ng/mL) concentrations. We performed 10,000 MCMC sampling iterations with three Markov chains. Model diagnostics included trace plots, r-hat values, and effective sample sizes. We also provided visual relationships of the univariate and bivariate exposure-response and the overall mixture effect.<i>Results:</i> Higher levels of fentanyl and nitazene concentrations were associated with higher levels of the simulated health outcome, controlling for age. Trace plots, r-hat values, and effective sample size statistics demonstrated BKMR stability across multiple Markov chains.<i>Conclusions:</i> Our understanding of drug mixtures tends to be limited to studies of single-drug models. BKMR offers an innovative way to discern which substances pose a greater health risk than other substances and can be applied to assess univariate, bivariate, and cumulative drug effects on health outcomes.</p>","PeriodicalId":48957,"journal":{"name":"American Journal of Drug and Alcohol Abuse","volume":" ","pages":"1-8"},"PeriodicalIF":2.7,"publicationDate":"2024-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141753178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}