Total Phosphate Elimination is Negatively Associated With Increased Serum Fibroblast Growth Factor 23 Levels in Patients who Undergo Peritoneal Dialysis

Shunsuke Yamada, Kazuhiko Tsuruya, Masanori Tokumoto, Hisako Yoshida, Narihito Tatsumoto, Hiroaki Ooboshi, Takanari Kitazono

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

As fibroblast growth factor 23 (FGF23) has been shown to induce cardiovascular disease directly in patients with chronic kidney disease, identification of factors and treatments that can modulate serum FGF23 (sFGF23) level is clinically important. This retrospective longitudinal study investigated factors that modulate sFGF23 in 49 patients who underwent peritoneal dialysis (PD). sFGF23 ratio (sFGF23 at 18 months/baseline sFGF23) was used as an indicator of changes in sFGF23 level. Total phosphate elimination was the sum of both renal phosphate excretion and dialysate phosphate elimination. In multivariate analysis, log sFGF23 ratio was associated negatively with total phosphate elimination and the use of cinacalcet at baseline, and positively with the use of vitamin D receptor activators at baseline, even after adjusting for potential confounding factors. Our study indicates that maintaining phosphate elimination can prevent increased sFGF23, thereby preventing cardiovascular events in patients who undergo PD.

Original languageEnglish
Pages (from-to)71-78
Number of pages8
JournalTherapeutic Apheresis and Dialysis
Volume21
Issue number1
DOIs
Publication statusPublished - Feb 1 2017

All Science Journal Classification (ASJC) codes

  • Hematology
  • Nephrology

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