Baseline characteristics in the bardoxolone methyl evaluation in patients with chronic kidney disease and type 2 diabetes mellitus: the Occurrence of renal eveNts (BEACON) trial

Lambers Heerspink, H.J. et al. (2013) Baseline characteristics in the bardoxolone methyl evaluation in patients with chronic kidney disease and type 2 diabetes mellitus: the Occurrence of renal eveNts (BEACON) trial. Nephrology Dialysis Transplantation, 28(11), pp. 2841-2850. (doi:10.1093/ndt/gft445) (PMID:24169612)

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Abstract

Background Type 2 diabetes mellitus (T2DM) is the most important contributing cause of end-stage renal disease (ESRD) worldwide. Bardoxolone methyl, a nuclear factor-erythroid-2-related factor 2 activator, augments estimated glomerular filtration. The Bardoxolone methyl EvAluation in patients with Chronic kidney disease and type 2 diabetes mellitus: the Occurrence of renal eveNts (BEACON) trial was designed to establish whether bardoxolone methyl slows or prevents progression to ESRD. Herein, we describe baseline characteristics of the BEACON population.

Methods BEACON is a randomized double-blind placebo-controlled clinical trial in 2185 patients with T2DM and chronic kidney disease stage 4 (eGFR between 15 and 30 mL/min/1.73 m2) designed to test the hypothesis that bardoxolone methyl added to guideline-recommended treatment including inhibitors of the renin–angiotensin–aldosterone system slows or prevents progression to ESRD or cardiovascular death compared with placebo.

Results Baseline characteristics (mean or percentage) of the population include age 68.5 years, female 43%, Caucasian 78%, eGFR 22.5 mL/min/1.73 m2 and systolic/diastolic blood pressure 140/70 mmHg. The median urinary albumin:creatinine ratio was 320 mg/g and the frequency of micro- and macroalbuminuria was 30 and 51%, respectively. Anemia, abnormalities in markers of bone metabolism and elevations in cardiovascular biomarkers were frequently observed. A history of cardiovascular disease was present in 56%, neuropathy in 47% and retinopathy in 41% of patients.

Conclusions The BEACON trial enrolled a population heretofore unstudied in an international randomized controlled trial. Enrolled patients suffered with numerous co-morbid conditions and exhibited multiple laboratory abnormalities, highlighting the critical need for new therapies to optimize management of these conditions.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:McMurray, Professor John
Authors: Lambers Heerspink, H.J., Chertow, G.M., Akizawa, T., Audhya, P., Bakris, G.L., Goldsberry, A., Krauth, M., Linde, P., McMurray, J.J., Meyer, C.J., Parving, H.-H., Remuzzi, G., Christ-Schmidt, H., Toto, R.D., Vaziri, N.D., Wanner, C., Wittes, J., Wrolstad, D., and de Zeeuw, D.
College/School:College of Medical Veterinary and Life Sciences > Institute of Cardiovascular and Medical Sciences
Journal Name:Nephrology Dialysis Transplantation
Publisher:Oxford University Press
ISSN:0931-0509
ISSN (Online):1460-2385

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