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- Title
Mechanism of protective actions of sparsentan in the kidney: lessons from studies in models of chronic kidney disease.
- Authors
Kohan, Donald E.; Bedard, Patricia W.; Jenkinson, Celia; Hendry, Bruce; Komers, Radko
- Abstract
Simultaneous inhibition of angiotensin II AT1 and endothelin ETA receptors has emerged as a promising approach for treatment of chronic progressive kidney disease. This therapeutic approach has been advanced by the introduction of sparsentan, the first dual AT1 and ETA receptor antagonist. Sparsentan is a single molecule with high affinity for both receptors. It is US Food and Drug Administration approved for immunoglobulin A nephropathy (IgAN) and is currently being developed as a treatment for rare kidney diseases, such as focal segmental glomerulosclerosis. Clinical studies have demonstrated the efficacy and safety of sparsentan in these conditions. In parallel with clinical development, studies have been conducted to elucidate the mechanisms of action of sparsentan and its position in the context of published evidence characterizing the nephroprotective effects of dual ETA and AT1 receptor inhibition. This review summarizes this evidence, documenting beneficial anti-inflammatory, antifibrotic, and hemodynamic actions of sparsentan in the kidney and protective actions in glomerular endothelial cells, mesangial cells, the tubulointerstitium, and podocytes, thus providing the rationale for the use of sparsentan as therapy for focal segmental glomerulosclerosis and IgAN and suggesting potential benefits in other renal diseases, such as Alport syndrome.
- Subjects
ETA (Organization); FOCAL segmental glomerulosclerosis; CHRONIC kidney failure; UNITED States. Food &; Drug Administration; IGA glomerulonephritis; ENDOTHELIN receptors; ANGIOTENSIN II; KIDNEY diseases
- Publication
Clinical Science, 2024, Vol 138, Issue 11, p645
- ISSN
0143-5221
- Publication type
Article
- DOI
10.1042/CS20240249