Abstract
Chronic kidney disease (CKD) develops in 1 in 3 people with type 2 diabetes (T2D) and is the leading cause of end-stage renal disease (ESRD). The ability of baseline urinary albumin: creatinine ratio or estimated glomerular filtration rate (eGFR) to predict onset and progression of CKD complicating diabetes is limited. PromarkerD is a novel blood test that can predict future renal function decline. This study sought to validate the prognostic utility of PromarkerD in individuals with T2D from CANVAS, a randomized controlled trial of INVOKANA® (canagliflozin). PromarkerD scores were measured at baseline in 3,570 CANVAS participants (n=1,196 placebo arm, n=2,375 canagliflozin arm). Biomarker concentrations (CD5L, ApoA4, IGFBP3) measured by mass spectrometry were combined with clinical data (age, serum HDL-cholesterol, eGFR) using previously defined algorithms to provide PromarkerD scores. The test score (predicted probability) ranges from 0 to 100% and is categorized as low-, moderate- or high-risk as determined by pre-specified cut-offs at 10% and 20%. Renal function decline was defined as incident DKD during the 4 years from randomization. At baseline, the participant sample (mean age 62.7 years, 67% males, median diabetes duration 12.4 years) had a median PromarkerD score of 2.88%, with 70.5% categorized as low-risk, 13.6% as moderate-risk and 15.9% as high-risk for renal function decline. There was no significant difference in baseline PromarkerD scores by allocated treatment (P=0.58). In a model adjusted for treatment, baseline PromarkerD moderate-risk and high-risk scores were increasingly prognostic for renal function decline (OR 5.29 [4.22, 6.64] and OR 13.52 [10.69, 17.11] versus low-risk, respectively; both P<0.001). These data provide further validation of the role of PromarkerD in predicting clinically significant renal function decline and thus to facilitate preventive management strategies. Disclosure K. Peters: Other Relationship; Self; Proteomics International Laboratories Ltd. J. Xu: Employee; Self; Janssen Research & Development, LLC. S. Bringans: Other Relationship; Self; Proteomics International Laboratories Lt. W.A. Davis: Advisory Panel; Spouse/Partner; Lilly Diabetes, Merck Sharp & Dohme Corp., Novo Nordisk A/S. Speaker’s Bureau; Self; Boehringer Ingelheim International GmbH. Speaker’s Bureau; Spouse/Partner; Lilly Diabetes, Merck Sharp & Dohme Corp., Mylan, Novo Nordisk A/S, Sanofi-Aventis. Other Relationship; Self; Proteomics International. Other Relationship; Spouse/Partner; Proteomics International. T. Davis: Advisory Panel; Self; Lilly Diabetes, Merck Sharp & Dohme Corp., Novo Nordisk A/S. Speaker’s Bureau; Spouse/Partner; Boehringer Ingelheim International GmbH. Speaker’s Bureau; Self; Lilly Diabetes, Merck Sharp & Dohme Corp., Mylan, Novo Nordisk A/S, Sanofi-Aventis. Other Relationship; Self; Protemics International. Other Relationship; Spouse/Partner; Protemics International. M.K. Hansen: Employee; Self; Janssen Research & Development, LLC. R.J. Lipscombe: Other Relationship; Self; Proteomics International Laboratories Ltd. Funding Janssen Research & Development, LLC
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