Nephrology (Carlton, Vic.) · 2022
Impact of etelcalcetide on fibroblast growth factor-23 and calciprotein particles in patients with secondary hyperparathyroidism undergoing haemodialysis.
СтатьяМногоцентровое исследованиеРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Hashimoto Yusaku, Kato Sawako, Kuro-O Makoto, Miura Yutaka, Itano Yuya, Ando Masahiko, Kuwatsuka Yachiyo, Maruyama Shoichi
Аннотация
AIM: Recently, we demonstrated the efficacy of etelcalcetide in the control of secondary hyperparathyroidism (SHPT). This post hoc analysis aimed to evaluate changes in fibroblast growth factor-23 (FGF23) and calciprotein particles (CPPs) after treatment with calcimimetics.
METHODS: The DUET trial was a 12-week multicenter, open-label, parallel-group, randomized (1:1:1) study with patients treated with etelcalcetide plus active vitamin D (E + D group; n = 41), etelcalcetide plus oral calcium (E + Ca group; n = 41), or control (C group; n = 42) under maintenance haemodialysis. Serum levels of FGF23 and CPPs were measured at baseline, and 6 and 12 weeks after the start.
RESULTS: In the linear mixed model, serum levels of FGF23 in etelcalcetide users were significantly lower than those in non-users at week 6 (p < .001) and week 12 (p < .001). When compared the difference between the E + Ca group and the E + D group, serum levels of FGF23 in the E + Ca group were significantly lower than those in the E + D group at week 12 (p = .017). There were no significant differences in the serum levels of CPPs between etelcalcetide users and non-users at week 6 and week 12, while CPPs in the E + Ca group were significantly lower than those in the E + D group (p < .001) at week 12.
CONCLUSION: Etelcalcetide may be useful through suppression of FGF23 levels among haemodialysis patients with SHPT. When correcting hypocalcaemia, loading oral calcium preparations could be more advantageous than active vitamin D for the suppression of both FGF23 and CPPs.
METHODS: The DUET trial was a 12-week multicenter, open-label, parallel-group, randomized (1:1:1) study with patients treated with etelcalcetide plus active vitamin D (E + D group; n = 41), etelcalcetide plus oral calcium (E + Ca group; n = 41), or control (C group; n = 42) under maintenance haemodialysis. Serum levels of FGF23 and CPPs were measured at baseline, and 6 and 12 weeks after the start.
RESULTS: In the linear mixed model, serum levels of FGF23 in etelcalcetide users were significantly lower than those in non-users at week 6 (p < .001) and week 12 (p < .001). When compared the difference between the E + Ca group and the E + D group, serum levels of FGF23 in the E + Ca group were significantly lower than those in the E + D group at week 12 (p = .017). There were no significant differences in the serum levels of CPPs between etelcalcetide users and non-users at week 6 and week 12, while CPPs in the E + Ca group were significantly lower than those in the E + D group (p < .001) at week 12.
CONCLUSION: Etelcalcetide may be useful through suppression of FGF23 levels among haemodialysis patients with SHPT. When correcting hypocalcaemia, loading oral calcium preparations could be more advantageous than active vitamin D for the suppression of both FGF23 and CPPs.