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A Case Report of Kidney-Only Transplantation in Primary Hyperoxaluria Type 1: A Novel Approach with the Use of

Matthew C Breeggemann1, Stephen L Gluck1, Marshall L Stoller2

  • 1Division of Nephrology, University of California San Francisco, San Francisco, CA, USA.

Case Reports in Nephrology and Dialysis
|July 27, 2023
PubMed

The primary hyperoxalurias (PHs) are a group of diseases characterized by kidney stones, nephrocalcinosis, and chronic kidney disease. At stages of advanced kidney disease, glomerular filtration of oxalate becomes insufficient, plasma levels increase, and tissue deposition may occur. Hemodialysis is often unable to overcome the excess hepatic oxalate production. The current surgical management of primary hyperoxaluria type 1 (PH1) is combined liver kidney transplantation. In a subset of PH1 patients who respond to pyridoxine, kidney-only transplantation has been successfully performed. Recently, kidney-only transplantation has also been performed in PH1 patients receiving a small interfering RNA therapy called lumasiran. This drug targets the hepatic overproduction of oxalate, making kidney-only transplantation a potentially practical novel approach for managing PH1 patients with advanced kidney disease. It is unknown if similar effects could be seen with a different small interfering RNA agent called nedosiran. This article will briefly review PH1, describe the small interfering RNA therapies being used to treat PH, summarize the reported cases of kidney-only transplantation performed with lumasiran, and detail a case of kidney-only transplantation performed in a PH1 patient receiving nedosiran.

Keywords:
LumasiranNedosiranPlasma oxalatePrimary hyperoxaluria type 1Urinary oxalate

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