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Comment
. 2023 May;103(5):839-841.
doi: 10.1016/j.kint.2023.02.017.

The case for treatment of monogenic SRNS with calcineurin inhibitors

Affiliations
Comment

The case for treatment of monogenic SRNS with calcineurin inhibitors

Brandon M Lane et al. Kidney Int. 2023 May.

Abstract

Currently, no evidence-based guidelines exist for treatment of children with monogenic steroid-resistant nephrotic syndrome. A retrospective study on 141 patients from Malakasioti et al. revealed that 27.6% responded to calcineurin inhibitor (CNI) treatment, and 75% of responders maintained stable kidney function. Virtually all CNI nonresponders developed progressive loss of kidney function. This study emphasized roles for CNIs in patients with monogenic steroid-resistant nephrotic syndrome, and the need for future studies to identify CNI response biomarkers.

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Figures

Figure 1:
Figure 1:
The study by Malakasioti et al revealed that 27.6% of patients with known monogenic SRNS achieved complete or partial remission to CNI therapy. The >70% that did not respond were unnecessarily exposed to the toxic side effects of CNI treatment. The findings highlight the need for the discovery of biomarkers of CNI therapy response. These biomarkers could be variants in gene that directly or indirectly affect CN signaling such as variants in RCAN genes, urine, and plasma biomarkers.

Comment on

  • A multicenter retrospective study of calcineurin inhibitors in nephrotic syndrome secondary to podocyte gene variants.
    Malakasioti G, Iancu D, Milovanova A, Tsygin A, Horinouchi T, Nagano C, Nozu K, Kamei K, Fujinaga S, Iijima K, Sinha R, Basu B, Morello W, Montini G, Waters A, Boyer O, Yıldırım ZY, Yel S, Dursun İ, McCarthy HJ, Vivarelli M, Prikhodina L, Besouw MTP, Chan EY, Huang W, Kemper MJ, Loos S, Prestidge C, Wong W, Zlatanova G, Ehren R, Weber LT, Chehade H, Hooman N, Tkaczyk M, Stańczyk M, Miligkos M, Tullus K; CNI in Monogenic SRNS Study Investigators. Malakasioti G, et al. Kidney Int. 2023 May;103(5):962-972. doi: 10.1016/j.kint.2023.02.022. Epub 2023 Mar 8. Kidney Int. 2023. PMID: 36898413

References

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