Distinctive Trajectories of Opioid Use Over an Extended Follow-up of Patients in a Multisite Trial on Buprenorphine?+?Naloxone and Methadone  

Oleh:

Hser, Yih-Ing ; Huang, David ; Saxon, Andrew J. ; Woody, George ; Moskowitz, Andrew L. ; Matthews, Abigail G. ; Ling, Walter

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Addiction Medicine vol. 11 no. 01 (Jan. 2017), page 63-69.
Topik: Buprenorphine; Growth Mixture Model; Methadone Maintenance; Opioid Use Trajectory
Fulltext: J06 v11 n1 p63 kelik2017.pdf (157.5KB)

Ketersediaan

Perpustakaan FK Nomor Panggil: J06.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Objectives: Uncovering heterogeneities in longitudinal patterns (trajectories) of opioid use among individuals with opioid use disorder can increase our understanding of disease progression and treatment responses to improve care. The present study aims to identify distinctive opioid use trajectories and factors associated with these patterns among participants randomized to treatment with methadone (MET) or buprenorphine + naloxone (BUP). Methods: Growth mixture modeling was applied to identify distinctive opioid use trajectories among 795 opioid users after their enrollment in a multisite trial during 2006 to 2009, with follow-up interviews conducted during 2011 to 2014. Results: Four distinctive trajectories were identified based on opioid use over the follow-up period: low use (42.0%), high use (22.3%), increasing use (17.1%), and decreasing use (18.6%). Greater odds of being in the high use group (relative to low use) was associated with Hispanics (relative to African American, odds ratio [OR] 3.21), injection drug use (OR 2.12), higher mental health functioning at baseline (OR 1.23), location on the West Coast (vs East Coast, OR 2.15), and randomization to BUP (relative to MET, OR 1.53). High use and increasing use groups had greater severity in problems related to drug, employment, legal, and social/family relationships, and worsened mental health functioning at follow-up. Participation in treatment significantly accounted for both within and between-group differences in opioid use. Conclusions: Continued treatment is necessary to reduce risk for opioid use and related adverse consequences, particularly among individuals (eg, injecting drug) at risk for consistently high level of opioid use.

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