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1 "Hiroshi Nomoto"
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Original Article
Complications
Switching from Conventional Fibrates to Pemafibrate Has Beneficial Effects on the Renal Function of Diabetic Subjects with Chronic Kidney Disease
Rimi Izumihara, Hiroshi Nomoto, Kenichi Kito, Yuki Yamauchi, Kazuno Omori, Yui Shibayama, Shingo Yanagiya, Aika Miya, Hiraku Kameda, Kyu Yong Cho, So Nagai, Ichiro Sakuma, Akinobu Nakamura, Tatsuya Atsumi, on Behalf of the PARM-TD Study Group
Diabetes Metab J. 2024;48(3):473-481.   Published online February 29, 2024
DOI: https://doi.org/10.4093/dmj.2023.0370
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Background
Fibrates have renal toxicity limiting their use in subjects with chronic kidney disease (CKD). However, pemafibrate has fewer toxic effects on renal function. In the present analysis, we evaluated the effects of pemafibrate on the renal function of diabetic subjects with or without CKD in a real-world clinical setting.
Methods
We performed a sub-analysis of data collected during a multi-center, prospective, observational study of the effects of pemafibrate on lipid metabolism in subjects with type 2 diabetes mellitus complicated by hypertriglyceridemia (the PARM-T2D study). The participants were allocated to add pemafibrate to their existing regimen (ADD-ON), switch from their existing fibrate to pemafibrate (SWITCH), or continue conventional therapy (CTRL). The changes in estimated glomerular filtration rate (eGFR) over 52 weeks were compared among these groups as well as among subgroups created according to CKD status.
Results
Data for 520 participants (ADD-ON, n=166; SWITCH, n=96; CTRL, n=258) were analyzed. Of them, 56.7% had CKD. The eGFR increased only in the SWITCH group, and this trend was also present in the CKD subgroup (P<0.001). On the other hand, eGFR was not affected by switching in participants with severe renal dysfunction (G3b or G4) and/or macroalbuminuria. Multivariate analysis showed that being older and a switch from fenofibrate were associated with elevation in eGFR (both P<0.05).
Conclusion
A switch to pemafibrate may be associated with an elevation in eGFR, but to a lesser extent in patients with poor renal function.

Diabetes Metab J : Diabetes & Metabolism Journal