Medications for Opioid Use Disorder in People Who Inject Substances: Reflection on the Potential Place of Morphine Sulfate as Substitution Treatment? Results of COSINUS Cohort Study.
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| Title: | Medications for Opioid Use Disorder in People Who Inject Substances: Reflection on the Potential Place of Morphine Sulfate as Substitution Treatment? Results of COSINUS Cohort Study. |
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| Authors: | Lalanne, Laurence (AUTHOR), Davalos, Julio Ricardo (AUTHOR), Audran, Martin (AUTHOR), Hamelin, Naomi (AUTHOR), Chauvin, Carole (AUTHOR), Briand-Madrid, Laelia (AUTHOR), Kervran, Charlotte (AUTHOR), Kirchherr, Sébastien (AUTHOR), Auriacombe, Marc (AUTHOR), Roux, Perrine (AUTHOR), Jauffret-Roustide, Marie (AUTHOR) |
| Source: | Substance Use & Misuse. 2025, Vol. 60 Issue 3, p393-402. 10p. |
| Subjects: | Substance abuse, Cocaine, Intravenous drug abuse, Morphine, Research funding, Harm reduction, Heroin, Drugs, Drug abusers |
| Abstract: | Background: Opioid Use Disorder (OUD) often provokes dramatic consequences in terms of increased morbi-mortality. Two medications have mainly been worldwide used for OUD (MOUD), buprenorphine and methadone. Recently, however, some reports have highlighted the use of Morphine Sulfate (MS) mainly obtained without a prescription but used as MOUD by opioid users and especially People Who Inject Substances (PWIS). We propose to characterize the prevalence and distribution of MOUD and MS use in PWIS. Methods: This study examines the use of MOUD and MS amongst French PWIS recruited in harm reduction facilities and drug consumption rooms in the context of the COSINUS (Cohort to assess structural and individual factors in drug use) study. Results: MOUD are prescribed, respectively, to one-third and one-fifth of PWIS, whereas a half of them declared MS consumption without prescription. MS users live with higher precariousness and are younger than non-users. MS is associated with salt cocaine and heroin use. It is often consumed with methadone and more rarely with buprenorphine and we hypothesized that this is probably linked to buprenorphine's pharmacological antagonism. Discussion: Our results show the high prevalence of MS consumption and highlight the importance of considering the highly restricted possibility of prescribing MS as MOUD. Its association with methadone raises the question of their synergistic action on craving and mental disorders. The profiles of opioid users who could benefit from MS with or without methadone must be examined to improve their care but with the utmost caution, given the risk of overdose. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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| Abstract: | Background: Opioid Use Disorder (OUD) often provokes dramatic consequences in terms of increased morbi-mortality. Two medications have mainly been worldwide used for OUD (MOUD), buprenorphine and methadone. Recently, however, some reports have highlighted the use of Morphine Sulfate (MS) mainly obtained without a prescription but used as MOUD by opioid users and especially People Who Inject Substances (PWIS). We propose to characterize the prevalence and distribution of MOUD and MS use in PWIS. Methods: This study examines the use of MOUD and MS amongst French PWIS recruited in harm reduction facilities and drug consumption rooms in the context of the COSINUS (Cohort to assess structural and individual factors in drug use) study. Results: MOUD are prescribed, respectively, to one-third and one-fifth of PWIS, whereas a half of them declared MS consumption without prescription. MS users live with higher precariousness and are younger than non-users. MS is associated with salt cocaine and heroin use. It is often consumed with methadone and more rarely with buprenorphine and we hypothesized that this is probably linked to buprenorphine's pharmacological antagonism. Discussion: Our results show the high prevalence of MS consumption and highlight the importance of considering the highly restricted possibility of prescribing MS as MOUD. Its association with methadone raises the question of their synergistic action on craving and mental disorders. The profiles of opioid users who could benefit from MS with or without methadone must be examined to improve their care but with the utmost caution, given the risk of overdose. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 10826084 |
| DOI: | 10.1080/10826084.2024.2434005 |
