Baseline characteristics of subjects enrolled in the Evaluation of Cinacalcet HCl Therapy to Lower Cardiovascular Events (EVOLVE) trial
Nephrology Dialysis Transplantation, 05/07/2012Chertow1 GM et al.
Evaluation of Cinacalcet HCl Therapy to Lower Cardiovascular Events (EVOLVE) enrolled 3883 subjects on hemodialysis with moderate to severe Secondary hyperparathyroidism (sHPT). Inclusion of subjects from multiple global regions with varying degrees of disease severity will enhance the external validity of the trial results.
The Evaluation of Cinacalcet HCl Therapy to Lower Cardiovascular Events (EVOLVE) trial was designed to test the hypothesis that treatment with the calcimimetic agent cinacalcet compared with placebo (on a background of conventional therapy including phosphate binders +/– vitamin D sterols) reduces the risk of death or non–fatal cardiovascular events (specifically myocardial infarction, unstable angina, heart failure and peripheral arterial disease events) among patients on hemodialysis with sHPT.
This report describes baseline characteristics of enrolled subjects with a focus on regional variation.
There were 3883 subjects randomized from 22 countries, including the USA, Canada, Australia, three Latin American nations, Russia and 15 European nations.
The burden of overt cardiovascular disease at baseline was high (e.g. myocardial infarction 12.4%, heart failure 23.3%).
The median plasma parathyroid hormone concentration at baseline was 692 pg/mL (10%, 90% range, 363–1694 pg/mL).
At baseline, 87.2% of subjects were prescribed phosphate binders and 57.5% were prescribed activated vitamin D derivatives.
Demographic data, comorbid conditions and baseline laboratory data varied significantly across regions.
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