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The ‘COmorBidity in Relation to AIDS’ (COBRA) cohort: Design, methods and participant characteristics.

The ‘COmorBidity in Relation to AIDS’ (COBRA) cohort: Design, methods and participant characteristics.
Author Information (click to view)

De Francesco D, Wit FW, Cole JH, Kootstra NA, Winston A, Sabin CA, Underwood J, van Zoest RA, Schouten J, Kooij KW, Prins M, Guaraldi G, Caan MWA, Burger D, Franceschi C, Libert C, Bürkle A, Reiss P, ,


De Francesco D, Wit FW, Cole JH, Kootstra NA, Winston A, Sabin CA, Underwood J, van Zoest RA, Schouten J, Kooij KW, Prins M, Guaraldi G, Caan MWA, Burger D, Franceschi C, Libert C, Bürkle A, Reiss P, , (click to view)

De Francesco D, Wit FW, Cole JH, Kootstra NA, Winston A, Sabin CA, Underwood J, van Zoest RA, Schouten J, Kooij KW, Prins M, Guaraldi G, Caan MWA, Burger D, Franceschi C, Libert C, Bürkle A, Reiss P, ,

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PloS one 2018 03 2913(3) e0191791 doi 10.1371/journal.pone.0191791

Abstract
BACKGROUND
Persons living with HIV on combination antiretroviral therapy (cART) may be at increased risk of the development of age-associated non-communicable comorbidities (AANCC) at relatively young age. It has therefore been hypothesised that such individuals, despite effective cART, may be prone to accelerated aging.

OBJECTIVE
The COmorBidity in Relation to AIDS (COBRA) cohort study was designed to investigate the potential causal link between HIV and AANCC, amongst others, in a cohort of middle-aged individuals with HIV with sustained viral suppression on cART and otherwise comparable HIV-negative controls.

METHODS
Longitudinal cohort study of HIV-positive subjects ≥45 years of age, with sustained HIV suppression on cART recruited from two large European HIV treatment centres and similarly-aged HIV-negative controls recruited from sexual health centres and targeted community groups. Both HIV-positive and HIV-negative subjects were assessed at study entry and again at follow-up after 2 years.

RESULTS
Of the 134 HIV-positive individuals with a median (IQR) age of 56 (51, 62) years recruited, 93% were male, 88% of white ethnicity and 86% were men who have sex with men (MSM). Similarly, the 79 HIV-negative subjects had a median (IQR) age of 57 (52, 64) and 92% were male, 97% of white ethnicity and 80% were MSM.

CONCLUSIONS
The results from the COBRA study will be a significant resource to understand the link between HIV and AANCC and the pathogenic mechanisms underlying this link. COBRA will inform future development of novel prognostic tools for earlier diagnosis of AANCC and of novel interventions which, as an adjunct to cART, may prevent AANCC.

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