Martin, Emily, Maher, Hayley, McKeon, Gemma, Patterson, Sue, Blake, Julie, and Chen, Kai Yang (2022) Long-acting injectable buprenorphine for opioid use disorder: A systematic review of impact of use on social determinants of health. Journal of Substance Abuse Treatment, 139. 108776.

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Abstract

Objectives: This systematic review synthesizes evidence on both the effects and perspectives of the use of novel long-acting injectable buprenorphine (LAIB) as part of medication-assisted treatment (MAT) and its impact on social determinants of health (SDH), specifically abstinence, accessibility, employment, forensic matters, and gender and social relationships via a framework approach.

Methods: The study team searched three databases between January 2010 and June 2020 to identify English-language original research published in peer reviewed journals. This search yielded 9253 papers. A comprehensive search followed by 67 full text publication screenings by two independent reviewers yielded 15 papers meeting inclusion criteria. The study included three randomized control trials, one open label safety study, two case series, and six qualitative papers examining patient perspectives toward the LAIB prior to use. The team assessed the quality of studies via standardized quality assessment tools.

Results: The LAIB was positively associated with improvements in abstinence, accessibility, employment, social relationships, and forensic matters. Limited evidence exists on gender equity within the current literature. The qualitative papers highlighted the importance of patients' preferences and individualization of treatment planning to ensure the success of MAT.

Conclusion: The quality of evidence was rated as medium or high risk of bias, which does limit interpretation of the results. Overall, the LAIB was positively associated with SDH and should be offered as part of MAT in alignment with the recovery model. Future research should evaluate the implementation and longitudinal impacts of LAI buprenorphine compared to treatment as usual (TAU).

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