Prediction of Chronic Kidney Disease Stage 3 by CKD273, a Urinary Proteomic Biomarker

  • Claudia Pontillo
  • , Zhen-Yu Zhang
  • , Joost P. Schanstra
  • , Lotte Jacobs
  • , Petra Zuerbig
  • , Lutgarde Thijs
  • , Adela Ramirez-Torres
  • , Hiddo J. L. Heerspink
  • , Morten Lindhardt
  • , Ronald Klein
  • , Trevor Orchard
  • , Massimo Porta
  • , Rudolf W. Bilous
  • , Nishi Charturvedi
  • , Peter Rossing
  • , Antonia Vlahou
  • , Eva Schepers
  • , Griet Glorieux
  • , William Mullen
  • , Christian Delles
  • Peter Verhamme, Raymond Vanholder, Jan A. Staessen*, Harald Mischak, Joachim Jankowski
*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Introduction: CKD273 is a urinary biomarker, which in advanced chronic kidney disease predicts further deterioration. We investigated whether CKD273 can also predict a decline of estimated glomerular filtration rate (eGFR) to

Methods: In analyses of 2087 individuals from 6 cohorts (46.4% women; 73.5% with diabetes; mean age, 46.1 years; eGFR >= 60 ml/min per 1.73 m2, 100%; urinary albumin excretion rate [UAE] >= 20 mu g/min, 6.2%), we accounted for cohort, sex, age, mean arterial pressure, diabetes, and eGFR at baseline and expressed associations per 1-SD increment in urinary biomarkers.

Results: Over 5 (median) follow-up visits, eGFR decreased more with higher baseline CKD273 than UAE (1.64 vs. 0.82 ml/min per 1.73 m(2); P <0.0001). Over 4.6 years (median), 390 participants experienced a first renal endpoint (eGFR decrease by >= 10 to = 1.23; P = 1.20; P = 20 mu g/min) and CKD273 (>= 0.154) thresholds yielded sensitivities of 30% and 33% and specificities of 82% and 83% (P

Discussion: In conclusion, while accounting for baseline eGFR, albuminuria, and covariables, CKD273 adds to the prediction of stage 3 chronic kidney disease, at which point intervention remains an achievable therapeutic target.

Original languageEnglish
Pages (from-to)1066-1075
Number of pages10
JournalKidney International Reports
Volume2
Issue number6
DOIs
Publication statusPublished - Nov 2017

Keywords

  • biomarker
  • chronic kidney disease
  • clinical science
  • glomerular filtration rate
  • peptidomics
  • proteomics
  • GLOMERULAR-FILTRATION-RATE
  • PROGRESSION
  • FIBROSIS
  • TRIAL
  • RECLASSIFICATION
  • MICROALBUMINURIA
  • CANDESARTAN
  • RETINOPATHY
  • PREVENTION
  • FIBRINOGEN

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