Predictive factors for acceptance of a long-acting opiate substitution treatment studied through social representations and internalized stigma

Opioid use disorder is a public health problem worldwide with a treatment gap partially due to sociocultural representation and stigma. Taking the opportunity of an authorization to a subcutaneous (SC) injectable solution of buprenorphine, the first and only injectable treatment for opioid dependenc...

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Bibliographic Details
Published in:	Therapie Vol. 79; no. 3; p. 307
Main Authors:	Lacroix, Aurélie, Puybaret, Victor, Villéger, Pierre, Zattoni-Leroy, Juliette, Cantaloube, Sylvain, Chevalier, Catherine, Nubukpo, Philippe
Format:	Journal Article
Language:	English
Published:	France 01-05-2024
Subjects:	Adult Buprenorphine - administration & dosage Buprenorphine - therapeutic use Female France Humans Male Middle Aged Opiate Substitution Treatment - psychology Opioid-Related Disorders - drug therapy Opioid-Related Disorders - psychology Patient Acceptance of Health Care - psychology Social Stigma Substance Withdrawal Syndrome - psychology France Internalized stigma Long-acting opiate substitution Predictive factors Social representations
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Summary:	Opioid use disorder is a public health problem worldwide with a treatment gap partially due to sociocultural representation and stigma. Taking the opportunity of an authorization to a subcutaneous (SC) injectable solution of buprenorphine, the first and only injectable treatment for opioid dependence available in France, we investigate potential obstacles to its implementation in France. This study aimed to define the factors predicting the acceptance of a new SC form of opiate substitution treatment (OST) by comparing the social representations using an adapted version of the Explanatory Model Interview Catalogue (EMIC) and the internalized stigma of intravenous drug injection using the Internalized Stigma of Mental Illness Inventory (ISMI) between participants receiving OST likely to accept the SC form or not. We also observed whether the fear of an opiate withdrawal syndrome could influence this choice. Fifty OST patients were included, 54% of them accepted a new SC form of OST. Perceived causes of drug injection measured with EMIC were significantly lower among participants who would not accept the new SC form. No significant difference was found regarding the total score of the adapted ISMI or its items. The fear of opiate withdrawal syndrome did not seem to be statistically related to acceptance of a long-acting SC OST in either group. The most discriminating combination of factors in predicting patient acceptance of such treatment was related to the perceived causes of drug injection associated with a severe Diagnostic and Statistical Manual of Mental Disorders 5th version (DSM-5) diagnosis, and a lower alcohol consumption. We observed significant differences in social representations but not in internalized stigma between the two groups. Moreover, the predictive factors linked to the acceptance of a new SC form of OST suggest a multifactorial combination of elements that will have to be tested in a larger and prospective study delivering long-acting high-dose buprenorphine.
ISSN:	1958-5578
DOI:	10.1016/j.therap.2023.07.006