American Journal of Epidemiology Advance Access originally published online on December 13, 2008
American Journal of Epidemiology 2009 169(5):642-652; doi:10.1093/aje/kwn361
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PRACTICE OF EPIDEMIOLOGY |
The Study to Understand the Natural History of HIV and AIDS in the Era of Effective Therapy (SUN Study)
Correspondence to Dr. Claudia Vellozzi, Centers for Disease Control and Prevention, DHAP/NCHHSTP, 1600 Clifton Road NE, Mailstop E-45, Atlanta, GA 30333 (e-mail: bno1{at}cdc.gov).
Received for publication August 8, 2008. Accepted for publication October 10, 2008.
Treatment of human immunodeficiency virus (HIV) infection with highly active combination antiretroviral therapy has increased survival and shifted the spectrum of HIV-associated morbidity and mortality from opportunistic infections toward a variety of other medical conditions. The prospective cohort Study to Understand the Natural History of HIV and AIDS in the Era of Effective Therapy (SUN Study) monitors the clinical course of HIV-infected individuals treated with combination antiretroviral therapy in 4 US cities. Every 6 months, clinical assessments, medical record abstraction, audio computer-assisted self-interview, and neurocognitive measurements are completed and blood and urine specimens are banked centrally. At enrollment and periodically thereafter, additional techniques such as anal cytology, dual energy x-ray absorptiometry, carotid ultrasonography, echocardiography, and abdominal and cardiac computed tomography are performed. From March 2004 through June 2006, 700 participants were enrolled; median age was 41 years, 76% were men, 58% were non-Hispanic white, 62% were men who have sex with men, 78% were taking combination antiretroviral therapy (of whom 86% had an HIV viral load of <400 copies/mL), and median CD4+ T-lymphocyte count was 459 cells/mm3 (interquartile range: 324–660). The SUN Study provides a wealth of data that will inform and improve the clinical management of HIV-infected individuals in the modern era.
antiretroviral therapy, highly active; chronic disease; cohort studies; HIV
Abbreviations: AIDS, acquired immunodeficiency syndrome; cART, highly active combination antiretroviral therapy; CDC, Centers for Disease Control and Prevention; HIV, human immunodeficiency virus; MSM, men who have sex with men; SUN, Study to Understand the Natural History of HIV and AIDS in the Era of Effective Therapy