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Int J Epidemiol. 2013 Dec;42(6):1649-59. doi: 10.1093/ije/dys167. Epub 2012 Nov 30.

Cohort profile: the international collaboration of incident HIV and hepatitis C in injecting cohorts (InC3) study.

Author information

1
The Kirby Institute for Infection and Immunity in Society, University of New South Wales, Sydney, New South Wales, Australia, Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA, CRCHUM, Université de Montréal, Montreal, Quebec, Canada, Department of Medicine, Johns Hopkins Medical Institutions, Baltimore, MD, USA, Harvard Medical School, Boston, MA, USA, Tufts Medical School, Boston, MA, USA, School of Medical Sciences, University of New South Wales, Sydney, New South Wales, Australia, Burnet Institute, Melbourne, Victoria, Australia, Cluster Infectious Diseases, Public Health Service, Amsterdam, Netherlands and Department of Internal Medicine, Academic Medical Center, Center for Infection and Immunity, Amsterdam, Netherlands.

Abstract

The International Collaboration of Incident HIV and Hepatitis C in Injecting Cohorts (InC(3)) Study is an international multi-cohort project of pooled biological and behavioural data from nine prospective cohorts of people who inject drugs (PWID). InC(3) brings together researchers from Australia, Canada, USA and the Netherlands with expertise in epidemiology, biostatistics, clinical and behavioural sciences, virology and immunology to investigate research questions relevant to hepatitis C virus (HCV) and HIV outcomes. InC(3) was established to: (i) create a merged multi-cohort study of pooled data from well-characterized cohorts of PWID with prospective data on HIV and HCV infections, with a particular focus on HCV; (ii) facilitate new studies not possible within individual cohorts; and (iii) bring together researchers across disciplines to answer a broad range of research questions. Study cohorts identify acute HCV cases through follow-up of high-risk HCV antibody-negative PWID or through clinical referral networks. To date, data from 1986 to 2010 have been received from all contributing cohorts, with 821 HCV-infected and 1216 HCV-uninfected participants (overall, n = 2037). Data collected include demographics, host genetics, HCV ribonucleic acid testing, alanine aminotransferase testing, HIV/hepatitis B virus testing, HCV therapy, loss to follow-up and mortality. Potential collaborators should contact the InC(3) PI Dr Kimberley Page (kPage@psg.ucsf.edu) for further information.

PMID:
23203695
PMCID:
PMC3887561
DOI:
10.1093/ije/dys167
[Indexed for MEDLINE]
Free PMC Article

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