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With a combined sample size of approximately 12,000 participants, the 9 NIDA-funded cohorts are addressing high priority research on HIV/AIDS in the context of substance misuse.

The AIDS Care Cohort to Evaluate Access to Survival Services (ACCESS) investigates how social, economic, physical, policy, and individual factors impact the health and well-being of HIV-positive illicit drug users.

Principal Investigator Dr. M-J Milloy
Institution University of British Columbia
Primary Population IDU
Serostatus HIV+
Sample Size 1000
Year Started 2005
Keywords
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The AIDS Linked to the Intravenous Experience (ALIVE) Study is a long-standing community based research effort that includes past and current injection drug users (IDUs).

Principal Investigator Greg Kirk Shruti Mehta
Institution Johns Hopkins University
Primary Population PWID, African-Americans, and disengaged from care
Serostatus HIV-
Sample Size 1442
Year Started 1988
Keywords
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The Heart study explores the intersection between HIV and coronary artery disease (CAD)

Principal Investigator Shengan Lai
Institution Johns Hopkins University
Primary Population African-Americans
Serostatus HIV+
Sample Size 1400
Year Started 2016
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HYM

The Healthy Young Men.s Study (HYM) is a research initiative funded by the National Institutes of Health focused on preventing HIV and improving the health and wellness of Black, Latino, and multiracial young men who have sex with men (YMSM) in Los Angeles.

Principal Investigator Michele Kipke
Institution Children's Hospital Los Angeles/University of Southern California
Primary Population Young Men Who Have Sex with Men (YMSM)
Serostatus HIV+/-
Sample Size 450
Year Started 2015
Keywords
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The John Hopkins HIV Clinical Cohort (JHHCC) provides comprehensive longitudinal data on adult patients receiving care through John Hopkins HIV/AIDS Services ambulatory clinics.

Principal Investigator Richard Moore
Institution Johns Hopkins University
Primary Population IDU
Serostatus HIV+
Sample Size 3227
Year Started 1989
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The Miami Adult Studies on HIV (MASH) cohort studies the role of cocaine in the context of HIV, HCV, and HIV/HCV co-infections with a focus on liver disease.

Principal Investigator Marianna Baum
Institution Florida International University
Primary Population African American and Latina/Hispanic
Serostatus HIV+/-
Sample Size 1345
Year Started 2015
Keywords
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The mStudy studies how drug use affects theimmune system of HIV positive and negative male-identified men who havesex with men.

Principal Investigator Pamina Gorbach
Institution University of California, Los Angeles
Primary Population MMSM
Serostatus HIV+/-
Sample Size 500
Year Started 2013
Keywords
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The Mutlilevel Influences on HIV and Substanc eUse in YMSM Cohort (RADAR) seeks to identify and understand the connections between sexually transmitted infections, substance use, and romantic relationship patterns over time among young men who have sex with men.

Principal Investigator Brian Mustanski
Institution Northwestern University
Primary Population Young Men Who Have Sex with Men (YMSM)
Serostatus HIV+/-
Sample Size 1055
Year Started 2014
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The Vancouver Intravenous Drug Users Study (VIDUS) is a long-running study of HIV-negative people who inject drugs, aiming to understand the natural history of injection drug use and inform the development of health policies and interfections.

Principal Investigator Dr. Thomas Kerr
Institution University of British Columbia
Primary Population Youth, IDU
Serostatus HIV-
Sample Size 2400
Year Started 1996 (VIDUS), 2005 (ARYS)
Keywords
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