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Suicidal thoughts and behaviors in patients with chronic pain, with and without co-occurring opioid use disorder

Abstract Background Individuals with chronic pain and a co-occurring substance use disorder present higher risk of suicide, but the individual and joint impacts of chronic pain and substance use disorders on suicide risk are not well defined. The objective of this study was to exam the factors assoc...

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Published in:Pain medicine (Malden, Mass.) Mass.), 2023-08, Vol.24 (8), p.941-948
Main Authors: Cheatle, Martin D, Giordano, Nicholas A, Themelis, Kristy, Tang, Nicole K Y
Format: Article
Language:English
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Summary:Abstract Background Individuals with chronic pain and a co-occurring substance use disorder present higher risk of suicide, but the individual and joint impacts of chronic pain and substance use disorders on suicide risk are not well defined. The objective of this study was to exam the factors associated with suicidal thoughts and behaviors in a cohort of patients with chronic non-cancer pain (CNCP), with or without concomitant opioid use disorder (OUD). Design Cross sectional cohort design Setting Primary care clinics, pain clinics, and substance abuse treatment facilities in Pennsylvania, Washington, and Utah Subjects In total, 609 adults with CNCP treated with long-term opioid therapy (>/= 6 months) who either developed an OUD (cases, n = 175) or displayed no evidence of OUD (controls, n = 434). Methods The predicted outcome was elevated suicidal behavior in patients with CNCP as indicated by a Suicide Behavior Questionnaire-Revised (SBQ-R) score of 8 or above. The presence of CNCP and OUD were key predictors. Covariates included demographics, pain severity, psychiatric history, pain coping, social support, depression, pain catastrophizing and mental defeat. Results Participants with CNCP and co-occurring OUD had an increased odds ratio of 3.44 in reporting elevated suicide scores as compared to participants with chronic pain only. Multivariable modeling revealed that mental defeat, pain catastrophizing, depression, and having chronic pain, and co-occurring OUD significantly increased the odds of elevated suicide scores. Conclusions Patients with CNCP and co-morbid OUD are associated with a 3-fold increase in risk of suicide.
ISSN:1526-2375
1526-4637
DOI:10.1093/pm/pnad043