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      Resources
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      Nephropathy

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      Treatment guidelines

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      Kidney Disease: Improving Global Outcomes (KDIGO) Glomerular Diseases Work Group. KDIGO 2021 clinical practice guideline for the management of glomerular diseases. Kidney Int. 2021;100(4S):S1-S276.

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      Rovin BH, Adler SG, Barratt J, et al. Executive summary of the KDIGO 2021 guideline for the management of glomerular diseases. Kidney Int. 2021;100(4):753-779.

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      IgAN Risk Prediction Tool (Adults)a

      aThe International IgAN Prediction Tool incorporates clinical information at the time of biopsy and additional research is needed to determine if the output can be used at other time points in the progression of the disease. This tool cannot be used to determine the likely impact of any particular treatment regimen.1,2

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      IgAN Risk Prediction Tool (Pediatrics)a

      aThe International IgAN Prediction Tool incorporates clinical information at the time of biopsy and additional research is needed to determine if the output can be used at other time points in the progression of the disease. This tool cannot be used to determine the likely impact of any particular treatment regimen.1,2

      Explore more about treatment goals in IgAN >>

      Proteinuria as a surrogate marker in CKD clinical trials

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      Levey AS, Gansevoort RT, Coresh J, et al. Change in albuminuria and GFR as end points for clinical trials in early stages of CKD: a scientific workshop sponsored by the National Kidney Foundation in collaboration with the US Food and Drug Administration and European Medicines Agency. Am J Kidney Dis. 2020;75(1):84-104.

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      Cravedi P, Remuzzi G. Pathophysiology of proteinuria and its value as an outcome measure in chronic kidney disease. Br J Clin Pharmacol. 2013;76(4):516-523.

      Explore more about measuring efficacy in CKD clinical trials >>

      Endothelin-1 & angiotensin II

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      Komers R, Plotkin H. Dual inhibition of renin-angiotensin-aldosterone system and endothelin-1 in treatment of chronic kidney disease. Am J Physiol Regul Integr Comp Physiol. 2016;310(10):R877-R884.

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      Ebefors K, Wiener RJ, Yu L, et al. Endothelin receptor-A mediates degradation of the glomerular endothelial surface layer via pathologic crosstalk between activated podocytes and glomerular endothelial cells. Kidney Int. 2019;96(4):957-970.

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      Lehrke I, Waldherr R, Ritz E, et al. Renal endothelin-1 and endothelin receptor type B expression in glomerular diseases with proteinuria. J Am Soc Nephrol. 2001;12(11):2321-2329.

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      Dhaun N, Webb DJ, Kluth DC. Endothelin-1 and the kidney—beyond BP. Br J Pharmacol. 2012;167(4):720-731.

      Explore more about 2 key signaling pathways in CKD >>

      IgA nephropathy & proteinuria

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      Pitcher D, Braddon F, Hendry B, et al. Long-term outcomes in IgA nephropathy. Clin J Am Soc Nephrol. 2023;18(6):727-738.

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      Wyatt RJ, Julian BA. IgA nephropathy. N Engl J Med. 2013;368(25):2402-2414.

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      Reich HN, Troyanov S, Scholey JW, et al. Remission of proteinuria improves prognosis in IgA nephropathy. J Am Soc Nephrol. 2007;18(12):3177-3183.

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      Inker LA, Mondal H, Greene T, et al. Early change in urine protein as a surrogate end point in studies of IgA nephropathy: an individual-patient meta-analysis. Am J Kidney Dis. 2016;68(3):392-401.

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      Inker LA, Heerspink HJL, Tighiouart H, et al. Association of treatment effects on early change in urine protein and treatment effects on GFR slope in IgA nephropathy: an individual participant meta-analysis. Am J Kidney Dis. 2021;78(3):340-349.e1.

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      Barbour SJ, Coppo R, Zhang H, et al. Evaluating a new international risk-prediction tool in IgA nephropathy. JAMA Intern Med. 2019;179(7):942-952.

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      Thompson A, Carroll K, Inker LA, et al. Proteinuria reduction as a surrogate end point in trials of IgA nephropathy. Clin J Am Soc Nephrol. 2019;14(3):469-481.

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      Canney M, Barbour SJ, Zheng Y, et al. Quantifying duration of proteinuria remission and association with clinical outcome in IgA nephropathy. J Am Soc Nephrol. 2021;32(2):436-447.

      Explore more about IgAN >>

      Educational webinars of interest

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      Title: ISN-KDIGO Webinar: Glomerular Diseases Guideline - Part 1

      Explore more about KDIGO Guidelines >>

      Accredited medical education resources

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      Title: Highlights from Kidney Week: Pathways to Improve Care in FSGS and IgAN

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      Title: Twitter-Delivered CME/CE on Chronic Kidney Disease from @ckd_ce

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      Title: IgAN: New Guidelines and Emerging Treatments to Reach Proteinuria Goals and Slow Decline in Kidney Function

      Faculty: Dr. Edgar Lerma, Dr. Rosanna Coppo, and Dr. Jonathan Barratt

      Contact an MSL to discuss ongoing research in CKD >>

      Sponsored satellite symposia

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      KIDNEY WEEK 2021

      Title: Current Therapies and Treatment Responses in Primary Focal Segmental Glomerulosclerosis and IgA Nephropathy

      Faculty: Dr. Michelle O'Shaughnessy, Dr. J. Ashley Jefferson, Dr. Jai Radhakrishnan

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      ERA-EDTA 2021 (Session ID: 1.1)

      Title: Proteinuria Treatment Targets in FSGS and IgA Nephropathy

      Faculty: Dr. Marcus Moeller, Prof. Frederick Tam, Prof. Loreto Gesualdo

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      IIGANN 2021

      Title: The Journey to CKD in IgA Nephropathy: The Roles of Endothelin-1, Angiotensin II, and Proteinuria

      Faculty: Prof. Jonathan Barratt, Prof. Matthias Barton, Prof. Jürgen Floege

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      WCN 2022

      Title: The Link Between Endothelin-1, Angiotensin II, and Proteinuria in the Pathophysiology of CKD

      Faculty: Prof. Jonathan Barratt, Dr. Donald Kohan, Dr. Ariela Benigni

      Explore more about key pathways >>

      CE=continuing education; CKD=chronic kidney disease; CME=continuing medical education; FSGS=focal segmental glomerulosclerosis; IgAN=immunoglobulin A nephropathy; MSL=Medical Science Liaison.

      References:

      1. Raina R, Chauvin A, Chakraborty R, et al. The role of endothelin and endothelin antagonists in chronic kidney disease. Kidney Dis (Basel). 2020;6(1):22-34. 2. Kidney Global Outcomes (KDIGO) Glomerular Diseases Work Group. Kidney Int. 2021;100(4S):S1-S276.

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