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A Procedure to Study Stress-Induced Relapse of Heroin Seeking after Punishment-Imposed Abstinence

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The cost-effectiveness of Vancouver's supervised injection facility.

Ahmed M Bayoumi¹, Gregory S Zaric

¹The Centre for Research on Inner City Health, The Keenan Research Centre in the Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ont. ahmed.bayoumi@utoronto.ca

CMAJ : Canadian Medical Association Journal = Journal De L'Association Medicale Canadienne

|November 19, 2008

Summary

Vancouver's supervised injection site saves money and improves health outcomes. This study found significant cost savings and increased life-years gained, demonstrating the facility's value.

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Area of Science:

Public Health
Health Economics
Epidemiology

Background:

The cost-effectiveness of supervised injection facilities (SIFs) in Canada remains unevaluated.
Previous assessments have not rigorously examined the impact of SIFs on health outcomes and healthcare costs.

Purpose of the Study:

To estimate the impact of Vancouver's supervised injection facility on survival rates.
To assess the effect of the facility on HIV and hepatitis C virus infection rates.
To evaluate the facility's role in methadone maintenance treatment referrals and associated healthcare costs.

Main Methods:

A 10-year simulation model of Vancouver's population, including injection drug users.
Comparison of a scenario with a SIF versus a scenario without a SIF but with other harm reduction interventions.
Inclusion of decreased needle sharing, increased safe injection practices, and increased methadone referrals as key effects.

Main Results:

The SIF was associated with nearly $14 million in net savings and 920 life-years gained, primarily from reduced needle sharing.
Including increased safe injection practices raised savings to over $20 million and 1070 life-years.
Considering all three health benefits resulted in over $18 million in savings and 1175 life-years gained.

Conclusions:

Vancouver's supervised injection site demonstrates significant cost savings and improved population health.
The findings hold even with conservative estimates of the facility's efficacy.
SIFs represent a valuable public health intervention with positive economic implications.