• Tauheed Zaman, Tessa L Rife, Steven L Batki, and David L Pennington.
• a Addiction Recovery Treatment Services, Department of Mental Health, San Francisco Veterans Affairs Health Care System , San Francisco , California , USA.
• Subst Abus. 2018 Jan 1; 39 (4): 441-448.

BackgroundCo-prescribing opioids and benzodiazepines increases overdose risk. A paucity of literature exists evaluating strategies to improve safety of co-prescribing. This study evaluated an electronic intervention to improve safety for patients co-prescribed chronic opioids for pain and benzodiazepines at 3 and 6 months.MethodsA prospective cohort study was conducted from December 2015 through May 2016 at San Francisco Veterans Affairs Health Care System. A clinical dashboard identified 145 eligible patients prescribed chronic opioids and benzodiazepines. Individualized taper and safety recommendations were communicated to prescribers via electronic medical record progress note and encrypted e-mail at baseline. Primary outcome was number of patients co-prescribed chronic opioids and benzodiazepines. Secondary outcomes included daily dose of opioids and benzodiazepines and number prescribed ≥100 mg morphine equivalent daily dose. Safety outcomes included number with opioid overdose education and naloxone distribution, annual urine drug screening, annual prescription drug monitoring program review, and signed opioid informed consent. Linear mixed models and generalized estimating equations were used to examine within-group change in outcomes between baseline and 3 and 6 months.ResultsAmong the 145 patients, mean (standard deviation) age was 62 (11) years and 91.7% (133/145) were male. Number co-prescribed significantly decreased from 145/145 (100%) at baseline to 93/139 (67%) at 6-month follow-up (odds ratio [OR] = 0.53, 95% confidence interval [CI]: 0.34-0.81, P = .003). Mean opioid and benzodiazepine doses significantly decreased from 84.61 to 65.63 mg (95% CI: 8.32-27.86, P < .001) and from 16.10 to 13.45 mg (95% CI: 1.6-3.9, P < .001), respectively, from baseline to 6-month follow-up. Patients prescribed ≥100 mg morphine equivalent daily dose significantly decreased from 39/145 (26.8%) at baseline to 26/139 (18.7%) at end of study (OR = 0.59, 95% CI: 0.44-0.78, P < .001), and patients with opioid overdose education and naloxone distribution significantly increased from 3/145 (2.1%) at baseline to 46/139 (33.1%; OR = 23.4, 95% CI: 7.61-71.99, P < .001) by the end of study. Number of patients with annual urine drug screening tended to increase from 123/145 (84.8%) at baseline to 132/145 (91.4%) by the end of study (OR = 1.89, 95% CI: 0.95-3.76, P = .07), and there were no significant changes across time in numbers of patients with annual prescription drug monitoring program review or signed opioid informed consent.ConclusionsElectronic interventions may provide an effective strategy to improve safety for patients co-prescribed chronic opioids for pain and benzodiazepines.

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