Effects of Highly Active Antiretroviral Therapy on Renal Function and Renal Phosphate Handling in African Adults with Advanced HIV and CKD

Infectious Disorders Drug Targets
Tewogbade Adeoye AdedejiTimothy O Olanrewaju

Abstract

Highly Active Antiretroviral Therapy (HAART) has been implicated in renal dysfunction with hypophosphataemia. We prospectively evaluated renal phosphate excretion during HAART use. Newly diagnosed human immunodeficiency virus (HIV)-infected individuals were treated with Tenofovir disoproxil fumarate/Emtricitabine/Efavirenz (TDF/FTC/EFV), n=33; Zidovudine/Lamivudine/Nevirapine (ZDV/3TC/NVP), n=53; and Zidovudine/Lamivudine/Efavirenz (ZDV/3TC/EFV), n=16. Creatinine and phosphate were assayed in blood and urine simultaneously at baseline, 1, 3, 6 and 9 months. Glomerular filtration rate (eGFR), fractional phosphate excretion and reabsorption (FEPi % and TRP), and the ratio of tubular maximum reabsorption of phosphate (TmP) to GFR (TmP/GFR) were estimated. At baseline, eGFR showed moderate chronic kidney disease (mean: 35.50 ± 2.02, 33.14 ± 1.63, and 39.97±1.84 ml/min/1.73m2 in the 3 groups respectively); 54 (52.9%) patients had hyperphosphataemia (>1.4mmo/L); 43 (42.2%) had normophosphataemia (0.6-1.4mmol/L); 5 (4.9%) had hypophosphataemia (<0.6mmol/L). eGFR improved significantly from 1 month (≥60, 58.65 ± 1.11, and 51.76 ±1.59 ml/min/1.73m2; p=0.04, <0.001, 0.67 respectively), with a relapse at 9 months in TDFtreated subjects (5...Continue Reading

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Citations

Nov 30, 2019·Drug Safety : an International Journal of Medical Toxicology and Drug Experience·Efstathia MegapanouGeorge Liamis

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