Co-prescription Of Benzodiazepines Research Articles

Long-Term Retention in an Outpatient Behavioral Health Clinic With Buprenorphine.

Despite high comorbidity between substance use disorders and other mental health diagnoses, there is a paucity of literature on buprenorphine treatment outcomes in outpatient mental health settings. This study aimed to identify rates and predictors of outpatient buprenorphine treatment retention in a Behavioral Health Clinic (BHC). This retrospective cohort study of adults on buprenorphine used multiple logistic regression to identify clinical and demographic factors associated with 1- and 2-year treatment retention and buprenorphine adherence. Of 321 subjects, 169 (52.6%) were retained in treatment for at least 1 year; 114 (35.5%) were retained for 2 years or more. Buprenorphine adherence was 95.8% and 97.3% for 1- and 2-year retention groups, respectively. Predictors of 1-year retention included benzodiazepine co-prescription (adjusted odds ratio [AOR] = 2.4; 95% CI [1.30, 4.55]), having a diagnosis of other mood disorder (AOR = 3.4; [1.95, 5.98]), or nicotine use disorder (AOR = 2.4; [1.35, 4.27]). Predictors of 2-year retention included female gender (AOR = 2.1; [1.16, 3.73]), having a diagnosis of depressive disorder (AOR = 4.6; [1.49, 14.29]), other mood disorder (AOR = 3.6; [1.88, 6.88]), or nicotine use disorder (AOR = 2.0; [1.13, 3.52]). During the study period, 52.7% and 35.5% of BHC patients treated with buprenorphine were retained for 1 and 2 years, respectively, comparable to the studies performed within primary care. Providing buprenorphine treatment within mental health clinics may serve patients who are already engaged with mental health providers but are reluctant to start new treatment within another treatment setting. Identifying common predictors of retention can help determine which patients require additional substance use treatment support. (Am J Addict 2019;28:339-346).

Opioid overdose deaths and potentially inappropriate opioid prescribing practices (PIP): A spatial epidemiological study

IntroductionOpioid overdose deaths quintupled in Massachusetts between 2000 and 2016. Potentially inappropriate opioid prescribing practices (PIP) are associated with increases in overdoses. The purpose of this study was to conduct spatial epidemiological analyses of novel comprehensively linked data to identify overdose and PIP hotspots. MethodsSixteen administrative datasets, including prescription monitoring, medical claims, vital statistics, and medical examiner data, covering >98% of Massachusetts residents between 2011–2015, were linked in 2017 to better investigate the opioid epidemic. PIP was defined by six measures: ≥100 morphine milligram equivalents (MMEs), co-prescription of benzodiazepines and opioids, cash purchases of opioid prescriptions, opioid prescriptions without a recorded pain diagnosis, and opioid prescriptions through multiple prescribers or pharmacies. Using spatial autocorrelation and cluster analyses, overdose and PIP hotspots were identified among 538 ZIP codes. ResultsMore than half of the adult population (n = 3,143,817, ages 18 and older) were prescribed opioids. Nearly all ZIP codes showed increasing rates of overdose over time. Overdose clusters were identified in Worcester, Northampton, Lee/Tyringham, Wareham/Bourne, Lynn, and Revere/Chelsea (Getis-Ord Gi*; p < 0.05). Large PIP clusters for ≥100 MMEs and prescription without pain diagnosis were identified in Western Massachusetts; and smaller clusters for multiple prescribers in Nantucket, Berkshire, and Hampden Counties (p < 0.05). Co-prescriptions and cash payment clusters were localized and nearly identical (p < 0.05). Overlap in PIP and overdose clusters was identified in Cape Cod and Berkshire County. However, we also found contradictory patterns in overdose and PIP hotspots. ConclusionsOverdose and PIP hotspots were identified, as well as regions where the two overlapped, and where they diverged. Results indicate that PIP clustering alone does not explain overdose clustering patterns. Our findings can inform public health policy decisions at the local level, which include a focus on PIP and misuse of heroin and fentanyl that aim to curb opioid overdoses.

Correlates of opioid and benzodiazepine co-prescription among people living with HIV in British Columbia, Canada: A population-level cohort study

Background:Co-prescribing benzodiazepines and opioids is relatively contraindicated due to the possible overdose risk. However, people living with HIV (PLWH) may have concurrent psychiatric and/or chronic pain diagnoses that may lead to the use of opioids and/or benzodiazepines for symptomatic treatment. Consequently, some PLWH may be at-risk for the health harms associated with the co-prescribing of these medications. Given this, the objectives of this study were to first examine the prevalence of opioids and benzodiazepines co-prescribing, and second, to characterize patient factors associated with the co-prescribing of opioids and benzodiazepines among PLWH in British Columbia (BC), Canada.Methods:Using data derived from a longitudinal BC cohort, we used bivariable and multivariable generalized estimating equation models to establish the prevalence of a benzodiazepine and opioid co-prescription and determine factors associated with this practice.Results:Between 1996 and 2015, 14 484 PLWH were included in the study and were followed for the entire study period. At baseline, 548 people (4%) were co-prescribed opioids and benzodiazepines, 6593 (46%) were prescribed opioids only, 2887 (20%) were prescribed benzodiazepines only, and 4456 (31%) were prescribed neither medication. A total of 3835 (27%) participants were prescribed both medications at least once during the study period. Factors positively associated with concurrent opioid and benzodiazepine prescribing included: depression/mood disorder [adjusted odds ratio (AOR) = 1.32; 95% confidence interval (CI) = 1.22–1.43] and anxiety disorder (AOR = 1.45; 95% CI = 1.27–1.66), whereas female sex (AOR = 0.76; 95% CI = 0.64-0.91) and substance use disorder (SUD) (AOR = 0.82; 95% CI = 0.74–0.90) were negatively associated with the outcome.Conclusion:Our findings indicate that co-prescription of opioids and benzodiazepines was seen at some point during study follow-up in over a quarter of PLWH. Given the known risks associated with this prescribing practice, future research can focus on the outcomes of co-prescribing among this patient population and the development of strategies to reduce the co-prescribing of opioids and benzodiazepines.

The impact of opiate substitution treatment on mortality risk in drug addicts: a natural experiment study

Background Opiate substitution treatment (OST) is the main treatment for people addicted to heroin and other opioid drugs. However, there is limited information on how the delivery of this treatment affects mortality risk. Objectives To investigate the associations of mortality risk with periods during treatment and following cessation of treatment, medication type, co-prescription of other medication and dosing regimens during titration and detoxification. The trends with time of prescribed medication, dose and treatment duration were also explored. Design Prospective longitudinal observational study. Setting UK primary care between 1998 and 2014. Participants A total of 12,780 patients receiving methadone, buprenorphine or dihydrocodeine. Main outcome measures All-cause mortality relating to 657 deaths and drug-related poisoning relating to 113 deaths. Data sources Clinical Practice Research Datalink with linked information on cause of death from the Office for National Statistics. Results For both outcomes, the lowest mortality risk was observed after 4 weeks of treatment and the highest risk was observed in the first 4 weeks following cessation of treatment [e.g. for drug-related poisoning, incidence rate ratio (IRR) 8.15, 95% confidence interval (CI) 5.45 to 12.19]. There was evidence that the treatment period risks varied with OST medication. The largest difference in risk was for the first 4 weeks of treatment for both outcomes, with patients on buprenorphine being at lower risk than those on methadone (e.g. for drug-related poisoning, IRR 0.08, 95% CI 0.01 to 0.48). The co-prescription of benzodiazepines was associated with linearly increasing the risk of drug-related deaths by dose (IRR 2.02, 95% CI 1.66 to 2.47), whereas z-drugs (zolpidem, zopiclone and zaleplon) were associated with increased risk of both all-cause (IRR 1.83, 95% CI 1.59 to 2.12) and drug-related (IRR 3.31, 95% CI 2.45 to 4.47) mortality. There was weak evidence that higher initial and final doses were associated with increased all-cause mortality risk. In the first 4 weeks of treatment, the risk increased by 4% for each 5-mg increment in methadone dose (1-mg increase in buprenorphine) (hazard ratio 1.04, 95% CI 1.00 to 1.09). In the first 4 weeks after treatment ceased, a similar increment in final dose increased the risk by 3% (hazard ratio 1.03, 95% CI 0.99 to 1.07). There were too few deaths to evaluate the effects on drug-related poisoning. The proportion of OST patients receiving buprenorphine increased between 1998 and 2006. Median treatment duration was consistently shorter for buprenorphine than for methadone for each year studied (overall median duration of 48 and 106 days, respectively). Limitations As this was an observational study, the possibility remains of bias from unmeasured factors, which covariate adjustment and inverse probability weighting can eliminate only partially. Conclusions Using buprenorphine as an alternative to methadone may not reduce mortality overall despite resulting in lower IRRs from shorter treatment duration. Clinical guidance needs to consider strengthening warnings about the co-prescription of a range of drugs for OST patients. Future work Our analyses need to be replicated using other clinical data sets in the UK and in other countries. New interventions and trials are required to investigate improving the retention of OST patients in primary care. Funding The National Institute for Health Research Health Services and Delivery Research programme.

Coprescribing of Benzodiazepines and Opioids in Older Adults: Rates, Correlates, and National Trends.

To estimate prescribing trends of and correlates independently associated with coprescribing of benzodiazepines and opioids among adults aged 65 years or older in office-based outpatient visits. I examined a nationally representative sample of office-based physician visits by older adults between 2006 and 2015 (n = 109,149 unweighted) using data from the National Ambulatory Medical Care Surveys (NAMCS). National rates and prescribing trends were estimated. Then, I used multivariable logistic regression analyses to identify demographic and clinical factors associated with coprescriptions of benzodiazepines and opioids. From 2006 to 2015, 15,954 (14.6%) out of 109,149 visits, representative of 39.3 million visits nationally, listed benzodiazepine, opioid, or both medications prescribed. The rate of prescription benzodiazepines only increased monotonically from 4.8% in 2006-2007 to 6.2% in 2014-2015 (p < .001), and the rate of prescription opioids only increased monotonically from 5.9% in 2006-2007 to 10.0% in 2014-2015 (p < .001). The coprescribing rate of benzodiazepines and opioids increased over time from 1.1% in 2006-2007 to 2.7% in 2014-2015 (p < .001). Correlates independently associated with a higher likelihood of both benzodiazepine and opioid prescriptions included: female sex, a visit for chronic care, receipt of six or more concomitantly prescribed medications, and clinical diagnoses of anxiety and pain (p < .01 for all). The coprescribing rate of benzodiazepines and opioids increased monotonically over time in outpatient care settings. Because couse of benzodiazepines and opioids is associated with medication burdens and potential harms, future research is needed to address medication safety in these vulnerable populations.

Army and Navy ECHO Pain Telementoring Improves Clinician OpioidPrescribing for Military Patients: an Observational Cohort Study

BackgroundOpioid overdose deaths occur in civilian and military populationsand are the leading cause of accidental death in the USA.ObjectiveTo determine whether ECHO Pain telementoring regarding bestpractices in pain management and safe opioid prescribing yielded significantdeclines in opioid prescribing.DesignA 4-year observational cohort study at military medical treatmentfacilities worldwide.ParticipantsPatients included 54.6% females and 46.4% males whose primary careclinicians (PCCs) opted to participate in ECHO Pain; the comparison groupincluded 39.9% females and 60.1% males whose PCCs opted not to participate inECHO Pain.InterventionPCCs attended 2-h weekly Chronic Pain and Opioid Management TeleECHOClinic (ECHO Pain), which included pain and addiction didactics, case-basedlearning, and evidence-based recommendations. ECHO Pain sessions were offered46 weeks per year. Attendance ranged from 1 to 3 sessions (47.7%), 4–19 (32.1%,or > 20 (20.2%).Main MeasuresThis study assessed whether clinician participation in Army and NavyChronic Pain and Opioid Management TeleECHO Clinic (ECHO Pain) resulted indecreased prescription rates of opioid analgesics and co-prescribing of opioidsand benzodiazepines. Measures included opioid prescriptions, morphine milligramequivalents (MME), and days of opioid and benzodiazepine co-prescribing perpatient per year.Key ResultsPCCs participating in ECHO Pain had greater percent declines thanthe comparison group in (a) annual opioid prescriptions per patient (− 23% vs.− 9%, P < 0.001), (b) average MMEprescribed per patient/year (−28% vs. −7%, p < .02), (c) days of co-prescribed opioid and benzodiazepine peropioid user per year (−53% vs. −1%, p < .001), and (d) the number of opioid users (−20.2% vs. −8%,p < .001). Propensity scoringtransformation–adjusted results were consistent with the opioid prescribing andMME results.ConclusionsPatients treated by PCCs who opted to participate in ECHO Pain hadgreater declines in opioid-related prescriptions than patients whose PCCs optednot to participate.

New Opioid and Benzodiazepine Co-Prescribing and Mortality Among Veteran Affairs Patients with Posttraumatic Stress Disorder: A Retrospective Cohort Study

Objective: This study estimated the risk of all-cause mortality for patients newly prescribed opioids and benzodiazepines concurrently relative to patients prescribed benzodiazepines only, opioids only, or neither medication. Methods: This propensity score-matched, retrospective, cohort study included 17,476 patients receiving Veteran Affairs (VA) health care and diagnosed with posttraumatic stress disorder. One-year total and cause-specific mortality was assessed by hazard ratios and subhazard ratios, adjusted for propensity score, age, baseline mental health and medical comorbidity, and daily medication dose. Findings: Concurrent users (n=4,369) were propensity score matched 1:1 with benzodiazepine only, opioid only, and non-users. In the year following medication start, the concurrent cohort had higher rates of all-cause mortality (116 deaths) relative to benzodiazepine-only (75 deaths; adjusted hazard ratio=1.52, 95% CI, 1.14-2.03), opioid-only (67 deaths; 1.76, 95% CI, 1.32-2.35), and non-user (60 deaths; 1.85, 95% CI, 1.30-2.64) cohorts. Risk of overdose death was greater among patients in the concurrent cohort relative to patients in the benzodiazepine-only (adjusted subhazard ratio=2.59, 95% CI, 1.00-6.66), opioid-only (2.58, 95% CI, 1.09-6.11) and non-user (9.16, 95 CI%, 2.27-37.02) cohorts. For circulatory disease-related deaths, the adjusted subhazard ratio for concurrent medication users was 1.81 (95% CI, 1.01-3.24) relative to non-users. Interpretation: New co-prescription of opioids and benzodiazepines was associated with increased all-cause mortality and overdose death, compared with new prescription of benzodiazepines only, opioids only, or neither medication and increased circulatory disease-related death, relative to neither medication. Strategies are needed to prevent new co-prescribing and facilitate discontinuation among those co-prescribed these medication classes. Funding: Veteran Affairs Health Services Research and Development Declaration of Interest: There are no conflicts of interest to report. Ethical Approval: The study was reviewed and approved by the institutional review board of the VA Puget Sound Health Care System.

Comparing the contribution of prescribed opioids to opioid-related hospitalizations across Canada: A multi-jurisdictional cross-sectional study

BackgroundThe Canadian opioid crisis is a complex, multifaceted problem involving prescribed, diverted and illicitly manufactured opioids. This study sought to characterize the contribution of prescribed opioids to opioid-related hospitalizations in Canada. MethodsWe conducted a cross-sectional study of all individuals who were admitted to hospital for opioid toxicity in British Columbia (BC), Manitoba and Ontario between April 2015 and March 2016. We used prescription claims to ascertain active prescription opioid use at time of hospital admission. In secondary analyses, we defined recent opioid prescriptions as those that were dispensed in the 30 and 180 days up to and including admission, and the prevalence of active co-prescription of benzodiazepines with opioids at time of overdose. ResultsWe identified 2599 instances of opioid toxicity over the study period. In BC, 34.1% of hospital visits for overdose occurred in people with an active opioid prescription, compared to 52.2% (47 of 90) in Manitoba and 52.8% (804 of 1524) in Ontario. However, active opioid prescriptions prior to overdose varied significantly by age and sex. Co-prescription of opioids and benzodiazepines prior to overdose ranged from 17.1% in BC to 35.6% in Manitoba. ConclusionsThere remains an important ongoing contribution of prescribed opioids to overdoses across Canada, but non-prescribed opioids play a growing role, particularly in BC. These findings underscore the importance of more judicious opioid prescribing, harm reduction programs, and improved access to addiction care for people with an opioid use disorder.

Potentially Inappropriate Opioid Prescribing, Overdose, and Mortality in Massachusetts, 2011-2015.

Potentially inappropriate prescribing (PIP) may contribute to opioid overdose. To examine the association between PIP and adverse events. Cohort study. Three million seventy-eight thousand thirty-four individuals age ≥ 18, without disseminated cancer, who received prescription opioids between 2011 and 2015. We defined PIP as (a) morphine equivalent dose ≥ 100mg/day in ≥ 3months; (b) overlapping opioid and benzodiazepine prescriptions in ≥ 3months; (c) ≥ 4 opioid prescribers in any quarter; (d) ≥ 4 opioid-dispensing pharmacies in any quarter; (e) cash purchase of prescription opioids on ≥ 3 occasions; and (f) receipt of opioids in 3 consecutive months without a documented pain diagnosis. We used Cox proportional hazards models to identify PIP practices associated with non-fatal opioid overdose, fatal opioid overdose, and all-cause mortality, controlling for covariates. All six types of PIP were associated with higher adjusted hazard for all-cause mortality, four of six with non-fatal overdose, and five of six with fatal overdose. Lacking a documented pain diagnosis was associated with non-fatal overdose (adjusted hazard ratio [AHR] 2.21, 95% confidence interval [CI] 2.02-2.41), as was high-dose opioids (AHR 1.68, 95% CI 1.59-1.76). Co-prescription of benzodiazepines was associated with fatal overdose (AHR 4.23, 95% CI 3.85-4.65). High-dose opioids were associated with all-cause mortality (AHR 2.18, 95% CI 2.14-2.23), as was lacking a documented pain diagnosis (AHR 2.05, 95% CI 2.01-2.09). Compared to those who received opioids without PIP, the hazard for fatal opioid overdose with one, two, three, and ≥ four PIP subtypes were 4.24, 7.05, 10.28, and 12.99 (test of linear trend, p < 0.001). PIP was associated with higher hazard for all-cause mortality, fatal overdose, and non-fatal overdose. Our study implies the possibility of creating a risk score incorporating multiple PIP subtypes, which could be displayed to prescribers in real time.

Association of opioid prescribing practices with chronic pain and benzodiazepine co-prescription: a primary care data linkage study

BackgroundOpioid prescribing is increasing worldwide with associated increases in misuse and other harms. We studied variations in national opioid prescription rates, indicators of prescribing quality, co-prescribing of benzodiazepines and relationship with pain severity in Scotland. MethodsElectronic linkages of opioid prescribing in Scotland were determined from: (i) national data from Information Services Division, NHS Scotland (2003–2012); and (ii) individual data from Generation Scotland: Scottish Family Health Study. Descriptive analyses were conducted on national data, multilevel modelling to examine factors associated with variations in prescribing rates. χ2 tests examined associations between individual pain severity and opioid prescriptions. ResultsThe number of strong opioid prescriptions more than doubled from 474 385 in 2003 to 1 036 446 in 2012, and weak opioid prescribing increased from 3 261 547 to 4 852 583. In Scotland, 938 674 individuals were prescribed an opioid in 2012 (18% of the population). Patients in the most deprived areas were 3.5 times more likely to receive a strong opioid than patients in the least deprived. There was significant variation in prescribing rates between geographical areas, with much of this explained by deprivation. Of women aged 25–40 yr prescribed a strong opioid, 40% were also prescribed a benzodiazepine. There was significant association between pain severity and receipt of opioid prescription. Over 50% of people reporting severe pain were not prescribed an opioid analgesic. ConclusionsWe found opioid prescribing in primary care to be common and increasing in Scotland, particularly for severe pain. Co-prescribing of opioids and benzodiazepines was common.

Electronic Medical Record Alert Associated With Reduced Opioid and Benzodiazepine Coprescribing in High-risk Veteran Patients.

Over the past decade, overdoses involving opioids and benzodiazepines have risen at alarming rates, making reductions in coprescribing of these medications a priority, particularly among patients who may be susceptible to adverse events due to high-risk conditions. This quality improvement project evaluated the effectiveness of a medication alert designed to reduce opioid and benzodiazepine coprescribing among Veterans with known high-risk conditions (substance use, sleep apnea, suicide-risk, age 65 and above) at 1 Veterans Affairs (VA) health care system. Prescribers were exposed to the point-of-prescribing alert for 12 months. For each high-risk cohort we used interrupted time series design to examine population trends in coprescribing 12 months after alert launch adjusting for coprescribing 12 months before launch, demographics and clinical covariates. Trends at the alert site were compared with those of a similar VA health care system without the alert. Secondary analyses examined population trends in opioid and benzodiazepine prescribing separately. Over 12 months, the alert activated for 1332 patients. Proportions of patients with concurrent prescriptions decreased significantly postalert launch among substance use [adjusted odds ratio (AOR)=0.97; 95% confidence interval (CI)=0.96-0.99; 12-month decrease=25.0%], sleep apnea (AOR=0.97, 95% CI=0.95-0.98, 12-month decrease=38.5%), and suicide-risk (AOR=0.94, 95% CI=0.91-0.98, 12-month decrease=61.5%) cohorts at the alert site. Decreases in coprescribing were significantly different from the comparison site among suicide-risk (AOR=0.92, 95% CI=0.86-0.97) and sleep apnea (AOR=0.98, 95% CI=0.96-1.00) cohorts. Significant decreases in benzodiazepine prescribing trends were observed at the alert site only. Medication alerts hold promise as a means of reducing opioid and benzodiazepine coprescribing among certain high-risk groups.

Prescribing alerts could cut opioid and benzodiazepine coprescribing

Prescribing alerts could cut opioid and benzodiazepine coprescribing

Concurrent benzodiazepine use in older adults treated with antidepressants in Asia.

The data of 955 older adults with any type of psychiatric disorders were extracted from the database of the Research on Asian Psychotropic Prescription Patterns for Antidepressants (REAP-AD) project. Demographic and clinical characteristics were recorded using a standardized protocol and data collection procedure. Both univariate and multiple logistic regression analyses were performed. The proportion of benzodiazepine and antidepressant combination in this cohort was 44.3%. Multiple logistic regression analysis revealed that higher doses of antidepressants, younger age (&lt;65 years), inpatients, public hospital, major comorbid medical conditions, antidepressant types, and country/territory were significantly associated with more frequent co-prescription of benzodiazepines and antidepressants. Nearly, half of the older adults treated with antidepressants in Asia are prescribed concurrent benzodiazepines. Given the potentially adverse effects of benzodiazepines, the rationale of benzodiazepines and antidepressants co-prescription needs to be revisited.

Opioids and Other Central Nervous System-Active Polypharmacy in Older Adults in the United States.

To determine patterns of and trends in contributions to central nervous system (CNS) polypharmacy, defined by the Beers Criteria as three or more CNS-active medications of each medication class, of adults aged 65 and older seen in U.S. outpatient medical practices. National Ambulatory Medical Care Survey (2004-2013). U.S. outpatient medical care. Visits by older adults to outpatient physicians (N = 97,910). Visits including three or more CNS medications including antipsychotics, benzodiazepines, nonbenzodiazepine benzodiazepine receptor agonist hypnotics (NBRAs), tricyclic antidepressants (TCAs), selective serotonin reuptake inhibitors (SSRIs), and opioids. The proportion of CNS polypharmacy that each medication class contributed during 2011 to 2013 was determined, and then logistic regression was used to determine trends from 2004 to 2013 in the contribution of individual medication classes to such polypharmacy. Of recent CNS polypharmacy visits, 76.2% included an opioid, and 61.8% included a benzodiazepine; 66.0% of the polypharmacy visits with benzodiazepines included opioids, and 53.3% of the polypharmacy visits with opioids included benzodiazepines. Between 2011 and 2013, opioid and benzodiazepine co-prescribing occurred at approximately 1.50 million visits (95% confidence interval (CI) = 1.23-1.78 million) annually. From 2004 (reference) to 2013, the proportion of polypharmacy visits with opioids rose from 69.6% to 76.2% (adjusted odds ratio = 2.15, 95% CI = 1.19-3.91, P = .01), and the corresponding proportion that included benzodiazepines fell. Of the polypharmacy visits, the odds of SSRI, NBRA, and antipsychotic use were unchanged, and that of TCAs decreased. In older adults, opioid use appears to be largely driving the recent national increase in CNS polypharmacy. Although concomitant use of opioids and benzodiazepines is associated with greater mortality, they are the most common contributors to CNS polypharmacy in older adults.

The effect of substance use disorders on the association between guideline-concordant long-term opioid therapy and all-cause mortality

Objective Patients with substance use disorders (SUDs) prescribed long-term opioid therapy (LtOT) are at risk for overdose and mortality. Prior research has shown that receipt of LtOT in accordance with clinical practice guidelines has the potential to mitigate these outcomes. Our objective was to determine whether the presence of a SUD modifies the association between guideline-concordant care and 1-year all-cause mortality among patients receiving LtOT for pain. Methods Among HIV+ and HIV- patients initiating LtOT (≥90 days opioids) between 2000 and 2010 as part of the Veterans Aging Cohort Study, we used time-updated Cox regression and propensity-score matching to examine-stratified by SUD status-the association between 1-year all-cause mortality and 3 quality indicators derived from national opioid-prescribing guidelines. Specifically, we examined whether patients received psychotherapeutic cointerventions (≥2 outpatient mental health visits), benzodiazepine coprescriptions (≥7 days), and SUD treatment (≥1 inpatient day or outpatient visit). These indicators were among those found in a previous study to have a strong association with mortality. Results Among 17,044 patients initiating LtOT, there were 1048 (6.1%) deaths during 1 year of follow-up. Receipt of psychotherapeutic cointerventions was associated with lower mortality in the overall sample and was more protective in patients with SUDs (adjusted hazard ratio [AHR] 0.43, 95% confidence interval [CI] 0.33-0.56 vs AHR 0.65, 95% CI 0.53-0.81; P for interaction = 0.002). Benzodiazepine coprescribing was associated with higher mortality in the overall sample (AHR 1.41, 95% CI 1.22-1.63), but we found no interaction by SUD status (P for interaction = 0.11). Among patients with SUDs, receipt of SUD treatment was associated with lower mortality (AHR 0.43, 95% CI 0.33-0.57). Conclusions For clinicians prescribing LtOT to patients with untreated SUDs, engaging patients with psychotherapeutic and SUD treatment services may reduce mortality. Clinicians should also avoid, when possible, prescribing opioids with benzodiazepines.

Benzodiazepine-opioid co-prescribing in a national probability sample of ED encounters

BackgroundBenzodiazepine-opioid combination therapy is potentially harmful due to the risk of synergistic respiratory depression, and the rate of death due to benzodiazepine-opioid overdose is increasing. Little is known about the prevalence and characteristics of benzodiazepine-opioid co-prescribing from the ED setting. MethodsSecondary analysis of data from the National Hospital Ambulatory Medical Care Survey, using sample weights to generate population estimates. The primary objective was to describe the annual prevalence of benzodiazepine-opioid co-prescribing from 2006 to 2012, using 95% confidence intervals (95% CI) to compare adjacent years. The secondary objective was to compare characteristics of ED encounters receiving a benzodiazepine-opioid co-prescription versus those receiving an opioid prescription alone, using a multivariable logistic regression. ResultsThe prevalence of benzodiazepine-opioid co-prescribing did not significantly change from 2006 to 2012. During this period, 2.7% (95% CI: 2.5–2.8%) of ED encounters prescribed an opioid were also prescribed a benzodiazepine. Relative to encounters receiving an opioid prescription alone, encounters receiving a co-prescription were more likely to represent a follow-up rather than initial visit (Odds Ratio [OR] 1.52), receive more medications (OR 1.41) and fewer procedures (OR 0.48) while in the ED, and more likely to have a diagnosis related to mental disorder (OR 20.60) or musculoskeletal problem (OR 3.71). ConclusionsFrom 2006 to 2012, almost 3% of all ED encounters receiving an opioid prescription also received a benzodiazepine co-prescription. The odds of benzodiazepine-opioid co-prescribing were significantly higher in ED encounters representing a follow-up visit and in diagnoses relating to a mental disorder or musculoskeletal problem.

The Effect of Substance Use Disorders on the Association Between Guideline-concordant Long-term Opioid Therapy and All-cause Mortality.

Patients with substance use disorders (SUDs) prescribed long-term opioid therapy (LtOT) are at risk for overdose and mortality. Prior research has shown that receipt of LtOT in accordance with clinical practice guidelines has the potential to mitigate these outcomes. Our objective was to determine whether the presence of a SUD modifies the association between guideline-concordant care and 1-year all-cause mortality among patients receiving LtOT for pain. Among HIV+ and HIV- patients initiating LtOT (≥90 days opioids) between 2000 and 2010 as part of the Veterans Aging Cohort Study, we used time-updated Cox regression and propensity-score matching to examine-stratified by SUD status-the association between 1-year all-cause mortality and 3 quality indicators derived from national opioid-prescribing guidelines. Specifically, we examined whether patients received psychotherapeutic cointerventions (≥2 outpatient mental health visits), benzodiazepine coprescriptions (≥7 days), and SUD treatment (≥1 inpatient day or outpatient visit). These indicators were among those found in a previous study to have a strong association with mortality. Among 17,044 patients initiating LtOT, there were 1048 (6.1%) deaths during 1 year of follow-up. Receipt of psychotherapeutic cointerventions was associated with lower mortality in the overall sample and was more protective in patients with SUDs (adjusted hazard ratio [AHR] 0.43, 95% confidence interval [CI] 0.33-0.56 vs AHR 0.65, 95% CI 0.53-0.81; P for interaction = 0.002). Benzodiazepine coprescribing was associated with higher mortality in the overall sample (AHR 1.41, 95% CI 1.22-1.63), but we found no interaction by SUD status (P for interaction = 0.11). Among patients with SUDs, receipt of SUD treatment was associated with lower mortality (AHR 0.43, 95% CI 0.33-0.57). For clinicians prescribing LtOT to patients with untreated SUDs, engaging patients with psychotherapeutic and SUD treatment services may reduce mortality. Clinicians should also avoid, when possible, prescribing opioids with benzodiazepines.

Survey of Primary Care and Mental Health Prescribers' Perspectives on Reducing Opioid and Benzodiazepine Co-Prescribing Among Veterans.

Due to the involvement of opioids and benzodiazepines in rising pharmaceutical overdoses, a reduction in coprescribing of these medications is a national priority, particularly among patients with substance use disorders and other high-risk conditions. However, little is known about primary care (PC) and mental health (MH) prescribers' perspectives on these medications and efforts being implemented to reduce coprescribing. An anonymous survey. One multisite VA health care system. Participants were 55 PC and 31 MH prescribers. Survey development was guided by the Promoting Action on Research Implementation in Health Services (PARIHS) conceptual framework. PC and MH prescribers of opioids or benzodiazepines were invited to complete an anonymous electronic survey. Responses were collapsed to highlight agreement, disagreement, and neutrality and summarized with means and percentages. Over 80% of both prescriber groups reported concern about concurrent use and > 75% strongly agreed with clinical practice guidelines (CPG) that recommend caution in coprescribing among patients with high-risk conditions. More than 40% of both prescriber groups indicated that coprescribing continues because of beliefs that patients appear stable without adverse events and tapering/discontinuation is too difficult. Over 70% of prescribers rated strategies for addressing patients who refuse to discontinue, more time with patients, and identification of high-risk patients as helpful in reducing coprescribing. Despite strong agreement with CPGs, prescribers reported several barriers that contribute to coprescribing of opioids and benzodiazepines and challenge their ability to taper these medications. Multiple interventions are likely needed to reduce opioid and benzodiazepine coprescribing.

Risk of drug-related mortality during periods of transition in methadone maintenance treatment: A cohort study

This study aims to identify periods of elevated risk of drug-related mortality during methadone maintenance treatment (MMT) in primary care using a cohort of 3,162 Scottish drug users between January 1993 and February 2004. Deaths occurring during treatment or within 3 days after last methadone prescription expired were considered as cases “on treatment.” Fatalities occurring 4 days or more after leaving treatment were cases “off treatment.” Sixty-four drug-related deaths were identified. The greatest risk of drug-related death was in the first 2 weeks of treatment (adjusted hazard ratio 2.60, 95% confidence interval 1.03–6.56). Risk of drug-related death was lower after the first 30 days following treatment cessation, relative to the first 30 days off treatment. History of psychiatric admission was associated with increased risk of drug-related death in treatment. Increasing numbers of treatment episodes and urine testing were protective. History of psychiatric admission, increasing numbers of urine tests, and coprescriptions of benzodiazepines increased the risk of mortality out of treatment. The risk of drug-related mortality in MMT is elevated during periods of treatment transition, specifically treatment initiation and the first 30 days following treatment dropout or discharge.

021 Risk of overdose mortality during the initial 2 weeks after entering or re-entering methadone treatment in Scotland: retrospective cohort study

ObjectivesHeroin users are at high risk of premature mortality. Despite the evidence supporting methadone maintenance programmes (MMT), methadone itself has been associated with drug-related deaths. This study aims to determine...