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Changes in Renal Function After Switching From TDF to TAF in HIV-Infected Individuals: A Prospective Cohort Study.
The Journal of Infectious Diseases ( IF 5.0 ) Pub Date : 2020-03-19 , DOI: 10.1093/infdis/jiaa125
Bernard Surial 1 , Bruno Ledergerber 2 , Alexandra Calmy 3 , Matthias Cavassini 4 , Huldrych F Günthard 2, 5 , Helen Kovari 2 , Marcel Stöckle 6 , Enos Bernasconi 7 , Patrick Schmid 8 , Christoph A Fux 9 , Hansjakob Furrer 1 , Andri Rauch 1 , Gilles Wandeler 1, 10 ,
Affiliation  

Background
Replacing tenofovir disoproxil fumarate (TDF) with tenofovir alafenamide (TAF) improves renal tubular markers in HIV-infected individuals, but the impact on estimated glomerular filtration rate (eGFR) remains unclear.
Methods
We included all participants from the Swiss HIV Cohort Study who switched from a TDF to a TAF-containing antiretroviral regimen or continued TDF. We estimated changes in eGFR and urine protein-to-creatinine ratio (UPCR) after 18 months using mixed-effect models.
Results
Of 3’520 participants (26.6% women, median age 50 years), 2’404 (68.5%) switched to TAF. Prior to switch, 1’664 (47.3%) had an eGFR <90 mL/min, and 1’087 (30.9%) a UPCR ≥15 mg/mmol. In patients with a baseline eGFR ≥90 mL/min, eGFR decreased with the use of TDF and TAF (-1.7 ml/min). Switching to TAF was associated with increases in eGFR of 1.5 mL/min (95% CI 0.5–2.5) if the baseline eGFR was 60-89 mL/min, and 4.1 mL/min (95% CI 1.6–6.6) if <60 mL/min. In contrast, eGFR decreased by 5.8 mL/min (95% CI 2.3–9.3) with the continued use of TDF in individuals with a baseline eGFR <60 mL/min. UPCR decreased after replacing TDF by TAF, independent of baseline eGFR.
Conclusions
Switching from TDF to TAF improves eGFR and proteinuria in patients with renal dysfunction.


中文翻译:

HIV 感染者从 TDF 转换为 TAF 后肾功能的变化:一项前瞻性队列研究。

背景
用艾拉酚胺替诺福韦 (TAF) 替代富马酸替诺福韦酯 (TDF) 可改善 HIV 感染者的肾小管标志物,但对估计肾小球滤过率 (eGFR) 的影响仍不清楚。
方法
我们纳入了瑞士 HIV 队列研究的所有参与者,他们从 TDF 转换为含有 TAF 的抗逆转录病毒方案或继续 TDF。我们使用混合效应模型估计了 18 个月后 eGFR 和尿蛋白肌酐比 (UPCR) 的变化。
结果
在 3,520 名参与者中(26.6% 为女性,中位年龄 50 岁),2,404 名(68.5%)转为 TAF。在转换之前,1'664 (47.3%) 的 eGFR <90 mL/min,1'087 (30.9%) 的 UPCR ≥15 mg/mmol。在基线 eGFR ≥90 mL/min 的患者中,使用 TDF 和 TAF (-1.7 ml/min) 后 eGFR 降低。如果基线 eGFR 为 60-89 mL/min,则切换到 TAF 与 eGFR 增加 1.5 mL/min (95% CI 0.5–2.5) 相关,如果 <60,则与 4.1 mL/min (95% CI 1.6–6.6) 增加相关毫升/分钟。相比之下,基线 eGFR <60 mL/min 的个体继续使用 TDF,eGFR 降低了 5.8 mL/min (95% CI 2.3–9.3)。用 TAF 代替 TDF 后 UPCR 下降,与基线 eGFR 无关。
结论
从 TDF 转换为 TAF 可改善肾功能不全患者的 eGFR 和蛋白尿。
更新日期:2020-03-20
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