Dataset Information

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

ABSTRACT:

Background

The cost-effectiveness of Canada's only supervised injection facility has not been rigorously evaluated. We estimated the impact of the facility on survival, rates of HIV and hepatitis C virus infection, referral to methadone maintenance treatment and associated costs.

Methods

We simulated the population of Vancouver, British Columbia, including injection drug users and persons infected with HIV and hepatitis C virus. The model used a time horizon of 10 years and the perspective of the health care system. We compared the situation of the supervised injection facility with one that had no facility but that had other interventions, such as needle-exchange programs. The effects considered were decreased needle sharing, increased use of safe injection practices and increased referral to methadone maintenance treatment. Outcomes included life-years gained, costs, and incremental cost-effectiveness ratios discounted at 5% per year.

Results

Focusing on the base assumption of decreased needle sharing as the only effect of the supervised injection facility, we found that the facility was associated with an incremental net savings of almost $14 million and 920 life-years gained over 10 years. When we also considered the health effect of increased use of safe injection practices, the incremental net savings increased to more than $20 million and the number of life-years gained to 1070. Further increases were estimated when we considered all 3 health benefits: the incremental net savings was more than $18 million and the number of life-years gained 1175. Results were sensitive to assumptions related to injection frequency, the risk of HIV transmission through needle sharing, the frequency of safe injection practices among users of the facility, the costs of HIV-related care and of operating the facility, and the proportion of users who inject in the facility.

Interpretation

Vancouver's supervised injection site is associated with improved health and cost savings, even with conservative estimates of efficacy.

SUBMITTER: Bayoumi AM

PROVIDER: S-EPMC2582765 | biostudies-literature | 2008 Nov

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

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

Bayoumi Ahmed M AM Zaric Gregory S GS

CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 20081101 11

<h4>Background</h4>The cost-effectiveness of Canada's only supervised injection facility has not been rigorously evaluated. We estimated the impact of the facility on survival, rates of HIV and hepatitis C virus infection, referral to methadone maintenance treatment and associated costs.<h4>Methods</h4>We simulated the population of Vancouver, British Columbia, including injection drug users and persons infected with HIV and hepatitis C virus. The model used a time horizon of 10 years and the pe ...[more]

PMID: 19015565

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Project description:Addiction should be a matter, primarily, for the Chief of Medicine rather than the Chief of Police. While internationally renowned for its social kindness, Canada has not been without its share of disgraceful political mistakes in the not too distant past. Regrettably, there are many shameful events in Canada that have unfolded in the name of public policy including the banishment without medical treatment of Chinese Canadians living with leprosy to die on D'Arcy and Bentinck Islands in British Columbia while European Canadians stricken similarly enjoyed healthcare on the mainland as well as the eternally haunting treatment of people of aboriginal ancestry who were without full voting privileges in some parts of Canada until 1965 and abandoned to encampments, reserves, that paralleled South African apartheid. In due course, these public policies have come to be understood as horrific in retrospect. Many have all met with a remorseful fate where a future Prime Minister is held to public account for the sad excesses of an earlier generation. With respect to North America's only supervised injection facility (SIF), a medical program aimed at reducing fatal overdoses and infections (HIV, HCV) in injection drug users, Canada's Prime Minister Stephen Harper holds the ability to forestall a similarly heartrending fate in his political hands. The SIF currently has a temporary exemption from Canada's "Controlled Drugs and Substances Act" in order to operate until June of 2008. As such, the fate of the SIF is politically determined each time behind closed doors by the Prime Minister and his ministers. Sadly, the Prime Minister appears lost at present, content to ignore the scientific and medical evidence on the matter of population health. In light of the vast medical evidence accumulated on Vancouver's SIF, the fate of injection facilities needs to be taken out of the political realm entirely. I am hoping that the Prime Minister will be found, see the light of the scientific evidence, and lead the way towards to provision of a permanent medical exemption for injection facilities from Canada's Controlled Drugs and Substances Act (CDSA). In so doing, the Prime Minister would be on the brink of grace and would rescue a life saving health program from perpetual political interference.

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Dataset Information

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

Background

Methods

Results

Interpretation

Publications

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

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