期刊
JAIDS-JOURNAL OF ACQUIRED IMMUNE DEFICIENCY SYNDROMES
卷 71, 期 4, 页码 374-380出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/QAI.0000000000000868
关键词
eGFR decline reversibility; tenofovir disoprfoxil fumarate; pre-exposure prophylaxis; eGFR recovery after TDF discontinuation
资金
- Bill & Melinda Gates Foundation [OPP47674]
- US National Institutes of Health [R01MH095507, R01DK100272]
Background: Tenofovir disoproxil fumarate (TDF) pre-exposure prophylaxis (PrEP) use is associated with a small but statistically significant decline in estimated glomerular filtration rate (eGFR). We investigated the reversibility of eGFR decline among HIV-uninfected adults discontinuing PrEP. Methods: Data were from the Partners PrEP Study, a randomized trial of daily oral TDF and emtricitabine (FTC)-TDF PrEP among African HIV-uninfected men and women with baseline creatinine clearance >= 60 mL/min. Serum creatinine was measured quarterly while on-study medication and at month 1 and 2 after discontinuation. eGFR was calculated using the Chronic Kidney Disease Epidemiology Collaboration Equation. Results: A total of 3924 individuals had a poststudy drug serum creatinine measurement after the scheduled drug discontinuation (1271 for TDF, 1308 for FTC-TDF, and 1345 for placebo); 65% were men, median age was 35 (range 18-64) years. Median time on study drug was 33 (interquartile range 25-36) months overall, and 36 months (interquartile range 30-36) for TDF and FTC-TDF. Mean eGFR at the last on-treatment visit was 129 mL center dot min(-1)center dot 1.73 m(-2) for TDF and 128 mL center dot min(-1)center dot 1.73 m(-2) for FTC-TDF versus 131 mL center dot min(-1)center dot 1.73 m(-2) for placebo (2-3 mL center dot min(-1)center dot 1.73 m(-2) mean decline for PrEP versus placebo, P <= 0.01), and this difference reversed by 4 weeks after drug discontinuation (mean eGFR at the first postdrug visit: 130 mL center dot min(-1) 1.73 m(-2) in all groups). More than 96% of participants had a confirmed >75% eGFR rebound to baseline level by 8 weeks after drug discontinuation, with similar proportions across treatment groups. Conclusions: In this large, placebo-controlled study of TDF-based PrEP, the small reduction in mean eGFR associated with PrEP reversed within weeks after discontinuation.
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