Government Direct-to-Consumer Education to Reduce Prescription Opioid Use

Author:

Turner Justin P.123,Halme Alex S.4,Caetano Patricia5,Langford Aili1,Tannenbaum Cara63

Affiliation:

1. Centre for Medicine Use and Safety, Monash University, Parkville, Victoria, Australia

2. Faculté de Pharmacie, Université de Montréal, Montréal, Québec, Canada

3. Centre de Recherche de l’Institut Universitaire de Gériatrie de Montréal, Montréal, Québec, Canada

4. Département de Médecine Spécialisée, Centre Intégré de Santé et de Services Sociaux de la Gaspésie, Sainte-Anne-des-Monts, Québec, Canada

5. Drug Data Services and Analytics, Canadian Agency for Drugs and Technologies in Health, Ontario, Canada

6. Faculté de Médecine, Université de Montréal, Montréal, Québec, Canada

Abstract

ImportanceDirect-to-consumer education reduces chronic sedative use. The effectiveness of this approach for prescription opioids among patients with chronic noncancer pain remains untested.ObjectivesTo evaluate the effectiveness of a government-led educational information brochure mailed to community-dwelling, long-term opioid consumers to reduce prescription opioid use compared with usual care.Design, Setting, and ParticipantsThis cluster randomized clinical trial was conducted from July 2018 to January 2019 in Manitoba, Canada. All adults with long-term opioid prescriptions were enrolled (n = 4225). Participants were identified via the Manitoba Drug Program Information Network. Individuals receiving palliative care or with a diagnosis of cancer or dementia were excluded. Data were analyzed from July 2019 to March 2020.InterventionParticipants were clustered according to their primary care clinic and randomized to the intervention (a codesigned direct-to-consumer educational brochure sent by mail) or usual care (comparator group).Main Outcomes and MeasuresThe main outcome was discontinuation of opioid prescriptions at the participant level after 6 months, ascertained by pharmacy drug claims. Secondary outcomes included dose reduction (in morphine milligram equivalents [MME]) and/or therapeutic switch. Reduction in opioid use was assessed using generalized estimating equations to account for clustering, with prespecified subgroup analyses by age and sex. Analysis was intention to treat.ResultsOf 4206 participants, 2409 (57.3%) were male; mean (SD) age was 60.0 (14.4) years. Mean (SD) baseline opioid use was comparable between groups (intervention, 157.7 [179.7] MME/d; control, 153.4 [181.8] MME/d). After 6 months, 235 of 2136 participants (11.0%) in 127 clusters in the intervention group no longer filled opioid prescriptions compared with 228 of 2070 (11.0%) in 124 clusters in the comparator group (difference, 0.0%; 95% CI, −1.9% to 1.9%). More participants in the intervention group than in the control group reduced their dose (1410 [66.0%] vs 1307 [63.1%]; difference, 2.8% [95% CI, 0.0%-5.7%]). Receipt of the brochure led to greater dose reductions for participants who were male (difference, 3.9%; 95% CI, 0.1%-7.7%), aged 18 to 64 years (difference, 3.7%; 95% CI, 0.2%-7.2%), or living in urban areas (difference, 5.9%; 95% CI, 1.9%-9.9%) compared with usual care.Conclusions and RelevanceIn this cluster randomized clinical trial, no significant difference in the prevalence of opioid cessation was observed after 6 months between the intervention and usual care groups; however, the intervention resulted in more adults reducing their opioid dose compared with usual care.Trial RegistrationClinicalTrials.gov Identifier: NCT03400384

Publisher

American Medical Association (AMA)

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