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Protective Factor Predictors of Abstinence and Retention in Patients Receiving Methadone Treatment for Opioid Use Disorder

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Abstract

Methadone maintenance treatment (MMT) is an evidence-based intervention for opioid use disorder (OUD). Despite its effectiveness, drug use during treatment and dropout are common. Most MMT outcome studies have ignored or examined few protective factors. This study examines protective factor predictors of two primary MMT outcomes, drug abstinence and treatment retention. Patients (N = 118) initiating MMT completed baseline surveys. Urine drug screen and retention data were extracted from medical records. We assessed protective factors organized across five domains (treatment history, opioid-related, intrapersonal, relational, and socioeconomic/community). Bivariate and multivariable linear regression analyses and a Cox proportional-hazards model were conducted. Opioid-related factors (change readiness, use-related consequences) best predicted outcomes. Some treatment history (prior, earlier engagement) and socioeconomic/community (past 30-day income) factors had a protective influence, whereas intrapersonal factors (gratitude, searching for meaning-in-life) produced mixed findings. One relational factor (emotional support) approached significance. Our findings highlight innovative approaches that may help improve MMT outcomes.

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Data Availability

Due to the nature of this research, participants did not agree for their data to be shared publicly. Therefore, data and materials are not available.

Notes

  1. Three cases were removed from the dataset (n = 1, left before completing the study; n = 1, participated a second time; n = 1 enrolled 15 days after intake). After removals, the data set included a final sample of 118 patients.

  2. Most clinic patients reside in impoverished neighborhoods near the clinic, are older, and of Black/African American race. A subset of patients reside in surrounding working-class communities, are younger, and of White race.

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Acknowledgements

We thank the clinic staff, Joseph Urbiel, Amanda Briskey, John Salvage, Lauren Notoriano, and Danielle Swantek for their assistance with recruitment and data collection.

Funding

This work was supported by a research grant (to JJL) from the Wayne State University Provost and Vice President for Academic Affairs; Gertrude Levin Endowed Chair in Addiction and Pain Biology (MKG), Lycaki/Young Funds (State of Michigan); and Detroit Wayne Integrated Health Network. There are no associated grant numbers.

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Authors and Affiliations

Authors

Contributions

JJL led writing, conceptualization, and methodology in this manuscript, acquired funding and served as principal investigator on the study, and provided supervision to JDE and CAS for data curation, statistical analyses, and visualization of statistical data. JDE contributed to writing, conceptualization, and methodology in this manuscript, curation of the data set, and analysis and visualization of statistical data. CAS contributed to statistical analyses, visualization of statistical data, and writing. DML was a co-investigator on the study and contributed to conceptualization and methodology in this submission, and provided reviews and editing on writing. MKG was a co-investigator on the study and contributed to conceptualization and methodology in this submission, provided reviews and editing on writing, and arranged resources (e.g., private research suite) for data collection.

Corresponding author

Correspondence to Jamey J. Lister.

Ethics declarations

Ethics Approval and Consent to Participate

This research was approved by the Institutional Review Boards at Wayne State University (reviewing, protocol # 1607015098) and Rutgers University (relying, study ID: Pro2021000859). All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000 (5). Informed consent was obtained from all patients for being included in the study.

Consent for Publication

All participants provided consent for publication of their de-identified data.

Competing Interests

The authors declare no competing interests.

Disclaimer

The funding sources had no role in the study design, collection, analysis or interpretation of the data, writing the manuscript, or the decision to submit the paper for publication.

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Lister, J.J., Ellis, J.D., Struble, C.A. et al. Protective Factor Predictors of Abstinence and Retention in Patients Receiving Methadone Treatment for Opioid Use Disorder. Int J Ment Health Addiction 22, 615–633 (2024). https://doi.org/10.1007/s11469-022-00893-z

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  • DOI: https://doi.org/10.1007/s11469-022-00893-z

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