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Characterizing Long-Term Health Related Quality of Life Trajectories of Individuals With Opioid Use Disorder.

ABSTRACT: OBJECTIVES:Health related quality of life (HRQoL) has been increasingly considered an endpoint in evaluations of treatment for substance use disorders. We aimed to characterize longitudinal patterns of HRQoL in individuals with opioid use disorder (OUD) and with a history of opioid agonist treatment (OAT) with methadone. METHODS:The EuroQol EQ-5D, a preference-weighted measure of HRQoL, was assessed in individuals with OUD and with a history of OAT enrolled in three prospective cohort studies between December 2011 and May 2014, with a maximum of five biannual assessments. We used latent class growth analysis to identify HRQoL trajectory classes and their association with self-reported current OAT receipt. Class assignment was derived from posterior probabilities and we explored time-invariant and time-varying determinants of trajectory class membership. RESULTS:Our study included 443 individuals (median age 47, 37% female); 24.6% reported use of illicit opioids at every follow-up, 69.1% during at least one follow-up. We identified three latent HRQoL trajectory classes that were stable regardless of current OAT receipt: stably high (n=107, 24.2%), stably moderate (n=260, 58.7%) and stably low HRQoL (n=76, 17.2%). A history of either a physical disability or of a mental health illness increased the probability of membership assignment to a lower HRQoL class. CONCLUSIONS:The non-significant association of OAT with HRQoL may suggest that the modest immediate HRQoL gains after OAT engagement, observed in short-term studies, may not persist over time. Implications for cost-effectiveness analysis and clinical practice are discussed.

SUBMITTER: Krebs E

PROVIDER: S-EPMC4908824 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature

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Characterizing Long-Term Health Related Quality of Life Trajectories of Individuals With Opioid Use Disorder.

Krebs Emanuel E Kerr Thomas T Wood Evan E Nosyk Bohdan B

Journal of substance abuse treatment 20160509

<h4>Objectives</h4>Health related quality of life (HRQoL) has been increasingly considered an endpoint in evaluations of treatment for substance use disorders. We aimed to characterize longitudinal patterns of HRQoL in individuals with opioid use disorder (OUD) and with a history of opioid agonist treatment (OAT) with methadone.<h4>Methods</h4>The EuroQol EQ-5D, a preference-weighted measure of HRQoL, was assessed in individuals with OUD and with a history of OAT enrolled in three prospective co ...[more]

PMID: 27296659

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Project description:Opinion statementPreventing depression in cancer patients on long-term opioid therapy should begin with depression screening before opioid initiation and repeated screening during treatment. In weighing the high morbidity of depression and opioid use disorder in patients with chronic cancer pain against a dearth of evidence-based therapies studied in this population, patients and clinicians are left to choose among imperfect but necessary treatment options. When possible, we advise engaging psychiatric and pain/palliative specialists through collaborative care models and recommending mindfulness and psychotherapy to all patients with significant depression alongside cancer pain. Medications for depression should be reserved for moderate to severe symptoms. We recommend escitalopram/citalopram or sertraline among selective serotonin reuptake inhibitors (SSRIs), or the serotonin and norepinephrine reuptake inhibitors (SNRIs) duloxetine, venlafaxine, or desvenlafaxine if patients have a significant component of neuropathic pain or fibromyalgia. Tricyclic antidepressants (TCAs) (consider nortriptyline or desipramine, which have better anticholinergic profiles) should be considered for patients who do not respond to or tolerate SSRI/SNRIs. Existing evidence is inadequate to definitively recommend methylphenidate or novel agents, such as ketamine or psilocybin, as adjunctive treatments for cancer-related depression and pain. Physicians who treat patients with cancer pain should utilize universal precautions to limit the risk of non-medical opioid use (non-medical opioid use). Patients should be screened for non-medical opioid use behaviors at initial consultation and at regular intervals during treatment using a non-judgmental approach that reduces stigma. Co-management with an addiction specialist may be indicated for patients at high risk of non-medical opioid use and opioid use disorder. Buprenorphine and methadone are indicated for the treatment of opioid use disorder, and while they have not been systematically studied for treatment of opioid use disorder in patients with cancer pain, they do provide analgesia for cancer pain. While an interdisciplinary team approach to manage psychological stress may be beneficial, this may not be possible for patients treated outside of comprehensive cancer centers.

Project description:BackgroundWhile opioid use disorder (OUD) is prevalent, little is known about what patients with OUD in sustained remission think about the chronic disease model of OUD and their perspectives of the cause, course, and ongoing treatment needs of their OUD.ObjectiveTo (1) examine patient perceptions of the chronic disease model of addiction and disease identity and (2) use an explanatory model framework to explore how these perceptions inform ongoing treatment needs and help maintain abstinence.DesignQualitative study of a cross-sectional cohort of patients with OUD in long-term sustained remission currently receiving methadone or buprenorphine. Participants completed a single in-depth, semi-structured individual interview.ParticipantsTwenty adults were recruited from two opioid treatment programs and two office-based opioid treatment programs in Baltimore, MD. Half of the participants were Black, had a median (IQR) age of 46.5 (43-52) years and the median (IQR) time since the last non-prescribed opioid was 12 (8-15) years.ApproachHybrid deductive-inductive thematic analysis of the transcribed interviews.Key resultsSome participants described a chronic OUD disease identity where they continue to live with OUD. Participants who maintain an OUD identity describe inherent traits or predetermination of developing OUD. Maintaining a disease identity helps them remain vigilant against returning to drug use. Others described a post-OUD/survivor identity where they no longer felt they had OUD, but the experience remains. Each perspective informed attitudes about continued treatment with methadone or buprenorphine and strategies to remain in remission.ConclusionsThe identity that people with OUD in sustained remission maintain was the lens through which they viewed other aspects of their OUD including cause and ongoing treatment needs. An alternative, post-OUD/survivorship model emerged or was accepted by participants who did not identify as currently having OUD. Understanding patient perspectives of OUD identity might improve patient-centered care and improve outcomes.

Project description:OBJECTIVE:Although buprenorphine treatment reduces risk of overdose and death in opioid use disorder, most patients discontinue treatment within a few weeks or months. Adverse health outcomes following buprenorphine discontinuation were compared among patients who were successfully retained beyond 6 months of continuous treatment, a minimum treatment duration recently endorsed by the National Quality Forum. METHODS:A retrospective longitudinal cohort analysis was performed using the MarketScan multistate Medicaid claims database (2013-2017), covering 12 million beneficiaries annually. The sample included adults (18-64 years of age) who received buprenorphine continuously for ?180 days by cohorts retained for 6-9 months, 9-12 months, 12-15 months, and 15-18 months. For outcome assessment in the postdiscontinuation period, patients had to be continuously enrolled in Medicaid for 6 months after buprenorphine discontinuation. Primary adverse outcomes included all-cause emergency department visits, all-cause inpatient hospitalizations, opioid prescriptions, and drug overdose (opioid or non-opioid). RESULTS:Adverse events were common across all cohorts, and almost half of patients (42.1%-49.9%) were seen in the emergency department at least once. Compared with patients retained on buprenorphine for 6-9 months (N=4,126), those retained for 15-18 months (N=931) had significantly lower odds of emergency department visits (odds ratio=0.75, 95% CI=0.65-0.86), inpatient hospitalizations (odds ratio=0.79, 95% CI=0.64-0.99), and filling opioid prescriptions (odds ratio=0.67, 95% CI=0.56-0.80) in the 6 months following discontinuation. Approximately 5% of patients across all cohorts experienced one or more medically treated overdoses. CONCLUSIONS:Risk of acute care service use and overdose were high following buprenorphine discontinuation irrespective of treatment duration. Superior outcomes became significant with treatment duration beyond 15 months, although rates of the primary adverse outcomes remained high.

Project description:ImportanceGabapentin prescriptions have drastically increased in the US due to off-label prescribing in settings such as opioid use disorder (OUD) treatment to manage a range of comorbid conditions and withdrawal symptoms, despite a lack of evidence.ObjectiveTo assess the purpose and associated risks of off-label gabapentin use in OUD treatment.Design, setting, and participantsThis retrospective recurrent-event case-control study with a crossover design used administrative claims data from MarketScan Commercial and Multi-State Medicaid databases from January 1, 2006, to December 31, 2016. Individuals aged 12 to 64 years with an OUD diagnosis and filling buprenorphine prescriptions were included in the primary analysis conducted from July 1, 2022, through June 1, 2023. Unit of observation was the person-day.ExposuresDays covered by filled gabapentin prescriptions.Main outcomes and measuresPrimary outcomes were receipt of gabapentin in the 90 days after initiation of buprenorphine treatment and drug-related poisoning. Drug-related poisonings were defined using codes from International Classification of Diseases, Ninth Revision, and International Statistical Classification of Diseases and Related Health Problems, Tenth Revision.ResultsA total of 109 407 patients were included in the analysis (mean [SD] age, 34.0 [11.2] years; 60 112 [54.9%] male). Among the 29 967 patients with Medicaid coverage, 299 (1.0%) were Hispanic, 1330 (4.4%) were non-Hispanic Black, 23 112 (77.1%) were non-Hispanic White, and 3399 (11.3%) were other. Gabapentin was significantly less likely to be prescribed to Black or Hispanic patients, and more likely to be prescribed to female patients, those with co-occurring substance use or mood disorders, and those with comorbid physical conditions such as neuropathic pain. Nearly one-third of persons who received gabapentin (4336 [31.1%]) had at least 1 drug-related poisoning after initiating buprenorphine treatment, compared with 13 856 (14.5%) among persons who did not receive gabapentin. Adjusted analyses showed that days of gabapentin use were not associated with hospitalization for drug-related poisoning (odds ratio, 0.98 [95% CI, 0.85-1.13]). Drug-related poisoning risks did not vary based on dosage.Conclusions and relevanceGabapentin is prescribed in the context of a myriad of comorbid conditions. Even though persons receiving gabapentin are more likely to have admissions for drug-related poisoning, these data suggest that gabapentin is not associated with an increased risk of drug-related poisoning alongside buprenorphine in adjusted analyses. More data on the safety profile of gabapentin in OUD settings are needed.

Project description:ImportanceRapid reduction or discontinuation of long-term opioid therapy may increase risk of opioid overdose or opioid use disorder (OUD). Current guidelines for chronic pain management caution against rapid dose reduction but are based on limited evidence.ObjectiveTo characterize the association between rapid reduction or abrupt discontinuation of opioid therapy (vs maintained or gradual reduction) and incidence of opioid overdose and OUD among patients prescribed high-dose, long-term opioid therapy (HDLTOT).Design, setting, and participantsThis retrospective cohort study was conducted among patients aged 18 to 64 years who were prescribed HDLTOT (≥90 daily morphine milligram equivalents for ≥90% of 90 days) from January 2006 to September 2018, with follow-up up to 4 years after cohort entry. Claims data were drawn from a large private health insurer in North Carolina and analyzed from March 1, 2006, to September 30, 2018.ExposuresTime-varying exposure of rapid dose reduction or discontinuation (>10% dose reduction/week) vs maintenance, increase, or gradual reduction or discontinuation.Main outcomes and measuresThe main outcome was incident opioid overdose (fatal or nonfatal) or diagnosed OUD. Inverse probability-weighted cumulative incidence of outcomes were estimated using the cumulative incidence function and hazard ratios (HRs) using marginal structural Fine-Gray models as a function of rapid dose tapering or discontinuation (vs gradual reduction or discontinuation or maintained or increased), accounting for competing risks.ResultsA total of 19 443 patients (median [IQR] age, 49 [41-55] years; 10 073 [51.8%] men) who received HDLTOT were identified. Rapid reduction or discontinuation was associated with higher risk of fatal and nonfatal overdoses compared with gradual reduction after the first year (year 1: HR, 1.43; 95% CI, 0.94-2.18; years 2-4: HR, 1.95; 95% CI, 1.31-2.90). There was no association between rapid reduction or discontinuation and diagnosed OUD through 2 years of follow-up; however, the hazard of incident OUD among patients exposed to rapid tapering or discontinuation was greater 25 to 48 months after the start of follow-up (HR, 1.28; 95% CI, 1.01-1.63).Conclusions and relevanceIn this cohort study, rapid dose reduction or discontinuation was associated with increased risk of opioid overdose and OUD during long-term follow-up. These findings reinforce prior concerns about safety of rapid dose reductions for patients receiving HDLTOT and highlight the need for caution when reducing opioid doses.

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Characterizing Long-Term Health Related Quality of Life Trajectories of Individuals With Opioid Use Disorder.

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Characterizing Long-Term Health Related Quality of Life Trajectories of Individuals With Opioid Use Disorder.

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