3.9 Article

Renal function and incidence of chronic kidney disease in HIV patients: A Danish cohort study

Journal

SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES
Volume 44, Issue 9, Pages 689-696

Publisher

INFORMA HEALTHCARE
DOI: 10.3109/00365548.2012.673730

Keywords

Chronic kidney disease; HIV; atazanavir; tenofovir; renal function

Funding

  1. AIDS Foundation
  2. NOVO Nordisk Foundation
  3. Clinical Institute of Copenhagen University
  4. Roche
  5. Bristol-Myers Squibb
  6. Merck Sharp Dohme
  7. GlaxoSmithKline
  8. Abbott
  9. Boehringer Ingelheim
  10. Janssen-Cilag
  11. Swedish Orphan
  12. Pharmasia
  13. Gilead
  14. Viiv

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Background: Impaired renal function is of major concern in human immunodeficiency virus (HIV)-infected patients. Methods: We used a mixed effects linear regression model to determine estimated glomerular filtration rates (eGFRs) in a population-based cohort of incident Danish HIV patients and stratified on baseline eGFR (eGFR(B)) < 90 and >= 90 ml/min per 1.73 m(2). Incidence rate ratios (IRRs) for chronic kidney disease (CKD) - 2 consecutive eGFR values < 60 ml/min per 1.73 m(2) measured > 3 months apart - were estimated (time-updated Cox-regression model). Results: The effect of time with HIV on eGFR was small in both strata (- 0.09 (95% confidence interval (CI) - 0.27, 0.09) and - 0.46 (95% CI - 0.64, - 0.27) ml/min per 1.73 m(2) per y). Treatment with tenofovir and indinavir was associated with lower eGFR in both strata: tenofovir - 2.00 (95% CI - 3.45, - 0.56) and - 1.94 (95% CI - 3.43, - 0.44) ml/min per 1.73 m(2) and indinavir - 2.14 (95% CI - 3.63, - 0.64) and - 3.29 (95% CI - 5.25, - 1.32) ml/min per 1.73 m(2). Nevirapine, atazanavir, and the combination of tenofovir and atazanavir were associated with lower eGFR in patients with eGFR(B) < 90 ml/min per 1.73 m(2). Highly active antiretroviral therapy (HAART) and exposure to tenofovir and atazanavir in combination were associated with CKD in patients with eGFR(B) < 90 ml/min per 1.73 m(2) (adjusted IRRs 6.08 (95% CI 2.76-13.41) and 26.75 (95% CI 9.54-75.05)). Conclusion: Tenofovir and indinavir reduce eGFR, while time with HIV only has a modest effect on this parameter. Low eGFR(B) is associated with an increased risk of CKD, especially when receiving HAART regimens containing the combination tenofovir/atazanavir.

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