British Columbia's Safer Opioid Supply Policy and Opioid Outcomes.

JAMA Intern Med

Weill Cornell Medicine, New York, New York.

Published: March 2024

Importance: In March 2020, British Columbia, Canada, became the first jurisdiction globally to launch a large-scale provincewide safer supply policy. The policy allowed individuals with opioid use disorder at high risk of overdose or poisoning to receive pharmaceutical-grade opioids prescribed by a physician or nurse practitioner, but to date, opioid-related outcomes after policy implementation have not been explored.

Objective: To investigate the association of British Columbia's Safer Opioid Supply policy with opioid prescribing and opioid-related health outcomes.

Design, Setting, And Participants: This cohort study used quarterly province-level data from quarter 1 of 2016 (January 1, 2016) to quarter 1 of 2022 (March 31, 2022), from British Columbia, where the Safer Opioid Supply policy was implemented, and Manitoba and Saskatchewan, where the policy was not implemented (comparison provinces).

Exposure: Safer Opioid Supply policy implemented in British Columbia in March 2020.

Main Outcomes And Measures: The main outcomes were rates of prescriptions, claimants, and prescribers of opioids targeted by the Safer Opioid Supply policy (hydromorphone, morphine, oxycodone, and fentanyl); opioid-related poisoning hospitalizations; and deaths from apparent opioid toxicity. Difference-in-differences analysis was used to compare changes in outcomes before and after policy implementation in British Columbia with those in the comparison provinces.

Results: The Safer Opioid Supply policy was associated with statistically significant increases in rates of opioid prescriptions (2619.6 per 100 000 population; 95% CI, 1322.1-3917.0 per 100 000 population; P < .001) and claimants (176.4 per 100 000 population; 95% CI, 33.5-319.4 per 100 000 population; P = .02). There was no significant change in prescribers (15.7 per 100 000 population; 95% CI, -0.2 to 31.6 per 100 000 population; P = .053). However, the opioid-related poisoning hospitalization rate increased by 3.2 per 100 000 population (95% CI, 0.9-5.6 per 100 000 population; P = .01) after policy implementation. There were no statistically significant changes in deaths from apparent opioid toxicity (1.6 per 100 000 population; 95% CI, -1.3 to 4.5 per 100 000 population; P = .26).

Conclusions And Relevance: Two years after its launch, the Safer Opioid Supply policy in British Columbia was associated with higher rates of safer supply opioid prescribing but also with a significant increase in opioid-related poisoning hospitalizations. These findings will help inform ongoing debates about this policy not only in British Columbia but also in other jurisdictions that are contemplating it.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10792500PMC
http://dx.doi.org/10.1001/jamainternmed.2023.7570DOI Listing

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