期刊
JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY
卷 26, 期 1, 页码 220-229出版社
AMER SOC NEPHROLOGY
DOI: 10.1681/ASN.2014010012
关键词
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资金
- Institute of Health Carlos III (ISCIII) (Spanish Ministry of Economy and Competitiveness) [E07/90021]
- Institute of Health Carlos III (ISCIII) (Spanish Ministry of Health, Social Services and Equality) [E07/90021]
- Programa de Intensificacion de la Actividad Investigadora (ISCIII/Comunidad Autonoma de Canarias)
Diabetic kidney disease (DKD) is the leading cause of ESRD. We conducted an open-label, prospective, randomized trial to determine whether pentoxifylline (PTF), which reduces albuminuria, in addition to renin-angiotensin system (RAS) blockade, can slow progression of renal disease in patients with type 2 diabetes and stages 3-4 CKD. Participants were assigned to receive PTF (1200 mg/d) (n=82) or to a control group (n=87) for 2 years. All patients received similar doses of RAS inhibitors. At study end, eGFR had decreased by a mean +/- SEM of 2.1 +/- 0.4 ml/min per 1.73 m(2) in the PTF group compared with 6.5 +/- 0.4 ml/min per 1.73 m(2) in the control group, with a between-group difference of 4.3 ml/min per 1.73 m(2) (95% confidence interval [95% CI], 3.1 to 5.5 ml/min per 1.73 m(2); P<0.001) in favor of PTF. The proportion of patients with a rate of eGFR decline greater than the median rate of decline (0.16 ml/min per 1.73 m(2) per month) was lower in the PTF group than in the control group (33.3% versus 68.2%; P<0.001). Percentage change in urinary albumin excretion was 5.7% (95% CI, 20.3% to 11.1%) in the control group and 214.9% (95% CI, -20.4% to -9.4%) in the PTF group (P=0.001). Urine TNF-alpha decreased from a median 16 ng/g (interquartile range, 11-20.1 ng/g) to 14.3 ng/g (interquartile range, 9.2-18.4 ng/g) in the PTF group (P<0.01), with no changes in the control group. In this population, addition of PTF to RAS inhibitors resulted in a smaller decrease in eGFR and a greater reduction of residual albuminuria.
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