North American AIDS Cohort Collaboration on Research and Design
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The NA-ACCORD Dossier, highlighting summary statistics and published manuscripts, is available for download here.

The North American AIDS Cohort Collaboration on Research and Design (NA-ACCORD) began in 2006 as the North American regional representative of the International epidemiologic Databases to Evaluate AIDS (IeDEA). Comprised of 25 collaborating cohorts, NA-ACCORD is designed to be widely representative of HIV care in the United States and Canada. Over 200 sites contribute data on over 130,000 HIV-infected and 150, 000 HIV-uninfected participants.

NA-ACCORD has established a multi-disciplinary group of collaborators that span disciplines such as basic science, clinical research, epidemiology, data informatics and biostatistics. Collectively, our group is poised to frame, design, and successfully answer the key questions in practice today. Together with our core data, NA-ACCORD has established a unique scientific platform to address clinical issues that are now of paramount importance in the modern treatment era.

The goals of NA-ACCORD are:

1) To establish a collaboration of North American HIV/AIDS cohorts to address HIV/AIDS research questions that cannot be accomplished through smaller cohorts.

2) To address scientific aims that focus on the failure of antiretroviral therapy, with a special focus on multi-drug resistant virus and its consequences and management.

3) To address additional scientific aims related to events that cannot be as well-studied in smaller cohorts (for example, those that require large sample sizes, such as rare events from new HIV therapies, or those that require long-term follow-up, such as malignancy), and emerging issues in HIV clinical care such as the impact of aging on HIV treatment response.

4) To develop and apply novel statistical and epidemiological methodology that is applicable to these scientific research initiatives.

5) To collaborate with other regional cohorts of IeDEA to compare results and address questions of inter-regional importance.



A list of Steering Committee and Executive Committee members

A complete list of manuscripts, presentations and reports

A list of collaborating cohorts

Proposal development and publication policy

Details on funding for NA-ACCORD and collaborating cohorts

To request additional information

Administrative Website
Restricted to authorized users

Manuscript checklist, acknowledgements template, etc.


Sponsored By:

National Institute of Allergy and Infectious Diseases & National Cancer Institute

Questions? Please contact Aimee Freeman, the NA-ACCORD Project Manager.

Website maintained by STATEPI, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health.

NA-ACCORD logo designed by Alexei Yukna