HIV in a Post-Needle Exchange City

published on August 28, 2013 in Scientific American

Background There have been no studies showing that participation in programmes which provide legal access to drug-injection equipment leads to individual-level protection against incident HIV infection. We have compared HIV incidence among injecting drug users participating in syringe-exchange programmes in New York City with that among non-participants.

…

Findings HIV incidence among continuing exchange-users in the Syringe Exchange Evaluation was 1·58 per 100 person years at risk (95% CI 0·54, 4·65) and among continuing exchange-users in the Vaccine Preparedness Initiative it was 1·38 per 100 person-years at risk (0·23, 4·57). Incidence among non-users of the exchange in the Vaccine Preparedness Initiative was 5·26 per 100 person-years at risk (2·41, 11·49), and in the NADR cities, 6·23 per 100 person-years at risk (4·4, 8·6). In a pooled-data, multivariate proportional-hazards analysis, not using the exchanges was associated with a hazard ratio of 3·35 (95% CI 1·29, 8·65) for incident HIV infection compared with using the exchanges.

Cassie Rodenberg
Scientific American
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© Copyright BC Centre for Excellence in HIV/AIDS
St. Paul's Hospital 608–1081 Burrard Street, Vancouver, BC, Canada V6Z 1Y6
Tel: 604-806-8477 | Fax: 604-806-9044
General inquiries: info@bccfe.ca
Media inquiries: communications@bccfe.ca
(Please do not use any of these email addresses to send personal information or book an appointment. To book appointments or contact the H2H clinic, please call 604-416-1517 or fax: 604-564-4893. Do not send your or your client's personal information via email.)

Our work serves clients and communities across British Columbia on lands and waters cared for and nurtured by the many distinct First Nations across the province. The BC-CfE humbly and gratefully acknowledge the stewards of these lands, particularly the xʷməθkʷəy̓əm (Musqueam), Sḵwx̱wú7mesh (Squamish), and səl̓ílwətaʔ (Tsleil-Waututh) on whose unceded, traditional and ancestral territories our offices are located.