Trial reportBlood purification2025
A Randomised Prospective Crossover Study on the Effects of Medium Cut-Off Membranes on FGF-23 and Inflammatory Mediators in Patients Receiving Regular Haemodialysis.
Trial report in Blood purification, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
8 authors.
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Abstract
<p>Introduction: In contrast to high-flux dialysis (HFD) membranes, medium cut-off membranes (MCO) can potentially remove a wide range of middle molecules. Our study aimed to compare the clearance rate (CR) of fibroblast growth factor 23 (FGF-23) and other selected inflammatory cytokines between medium MCO and HFD membranes and investigate the intrasubject stability of these biomarkers.
methodsThis prospective randomised case-crossover study recruited 20 adult patients who were randomised into two groups: group A: to start with 1 week of thrice-weekly dialysis using HFD membrane followed by a 3-week washout period and then 1 week of dialysis with an MCO membrane. Group B followed the reverse sequence. Blood samples were taken before and after each dialysis session for the analysis of the assessed biomarkers (FGF-23, interleukin-6 [IL-6], interleukin-18 [IL-18], high-sensitivity C-reactive protein [hsCRP], and dephosphorylated uncarboxylated matrix Gla protein [dp-ucMGP]). Wilcoxon signed rank and paired t tests were used for comparison between the membranes. One-way repeated measures ANOVA or Friedman tests were used for the intrasubject stability of the biomarkers.
resultsThe use of both MCO and HFD membranes resulted in a significant reduction of FGF-23 levels and other selected inflammatory cytokines. However, there was no significant difference in the CR: FGF-23 (0.31 vs. 0.23], p = 0.242), IL-6 (0.19 vs. 0.12, p = 0.215), IL-18 (-0.05 vs. -0.03, p = 0.704), dp-ucMGP (0.33 vs. 0.33, p = 0.903), and hsCRP (-0.05 vs. -0.08, p = 0.107). There was no significant intrasubject variability for all assessed biomarkers except in pre-dialysis high hsCRP levels when using HFD membrane.
conclusionThe use of both MCO and HFD membranes resulted in a significant reduction of FGF-23 levels and other selected inflammatory cytokines. However, the MCO membrane did not demonstrate a significant advantage over the HFD in the short term. There was no significant intrasubject variability for all assessed biomarkers apart from hsCRP. </p>.
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