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Serum trace metal association with response to erythropoiesis stimulating agents in incident and prevalent hemodialysis patients
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Serum trace metal association with response to erythropoiesis stimulating agents in incident and prevalent hemodialysis patients
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Journal Article
Serum trace metal association with response to erythropoiesis stimulating agents in incident and prevalent hemodialysis patients
2020
Overview
Alterations in hemodialysis patients’ serum trace metals have been documented. Early studies addressing associations levels of serum trace metals with erythropoietic responses and/or hematocrit generated mixed results. These studies were conducted prior to current approaches for erythropoiesis stimulating agent (ESA) drug dosing guidelines or without consideration of inflammation markers (e.g. hepcidin) important for regulation of iron availability. This study sought to determine if the serum trace metal concentrations of incident or chronic hemodialysis patients associated with the observed ESA response variability and with consideration to ESA dose response, hepcidin, and high sensitivity C-reactive protein levels. Inductively-coupled plasma-mass spectrometry was used to measure 14 serum trace metals in 29 incident and 79 prevalent dialysis patients recruited prospectively. We compared these data to three measures of ESA dose response, sex, and dialysis incidence versus dialysis prevalence. Hemoglobin was negatively associated with ESA dose and cadmium while positively associated with antimony, arsenic and lead. ESA dose was negatively associated with achieved hemoglobin and vanadium while positively associated with arsenic. ESA response was positively associated with arsenic. Vanadium, nickel, cadmium, and tin were increased in prevalent patients. Manganese was increased in incident patients. Vanadium, nickel, and arsenic increased with time on dialysis while manganese decreased. Changes in vanadium and manganese were largest and appeared to have some effect on anemia. Incident and prevalent patients’ chromium and antimony levels exceeded established accepted upper limits of normal.
Publisher
Nature Publishing Group UK
Subject
/ Female
/ Glycated Hemoglobin - analysis
/ Hematinics - administration & dosage
/ Hematinics - therapeutic use
/ Humanities and Social Sciences
/ Humans
/ Kidney Failure, Chronic - blood
/ Kidney Failure, Chronic - complications
/ Kidney Failure, Chronic - therapy
/ Male
/ Renal Insufficiency, Chronic - blood
/ Renal Insufficiency, Chronic - complications
/ Renal Insufficiency, Chronic - therapy
/ Science
