ASN represents more than 20,000 kidney health professionals working to help people with kidney diseases and their families. Comprised of all of ASN's focus areas, the ASN Alliance for Kidney Health allows the society to continue its growth and work towards the goal of a world without kidney diseases.
The latest Nephrology Self-Assessment Program (nephSAP) issue, Volume 25: Issue 2 (Aug 2026): Acute Kidney Injury and Critical Care Nephrology is now available online.
RE: Puzzling Case of Post-Transplant Proteinuria 4 minutes ago
Sorry I meant the genetic testing in the donor. In Turkey, since more than 90% of kidney transplants are performed from living donors, we usually h...
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RE: Do we need genetic testing in C3G (outside Cypriot ancestry)? 2 hours ago
Indefinite therapy duration with Pegcetacoplan is probably not feasible or appropriate . Incomplete penetrance and modifier genes ate going to impa...
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RE: Puzzling Case of Post-Transplant Proteinuria 4 hours ago
dear Dr. Venkat- did you post this unexplained case of post transplant significant proteinuria for a colleague or do you have direct management ? I...
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RE: Do we need genetic testing in C3G (outside Cypriot ancestry)? 5 hours ago
While pegcetacoplan works broadly across the cohort, the Valiant trial doesn't define the optimal duration of therapy. In patients with a proven, l...
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RE: SGLT2i & renal tubular creat secretion 5 hours ago
Thank you Dr Glassock> Yes, I was aware of the initial hemodynamic effect. My qstn had to do more with a longer duration of observation, like a chr...
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RE: SGLT2i & renal tubular creat secretion 5 hours ago
So far as I know there are no established effects of SGLT2 inhibitors on tubular secretion of creatinine. The rise of serum creatinine after initia...
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RE: Puzzling Case of Post-Transplant Proteinuria 5 hours ago
You must mean genetic test in the donor not the recipient- to evaluate donor derived dieease. ------------------------------ Richard Glassock MD,...
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SGLT2i & renal tubular creat secretion 6 hours ago
Hello Folks: Is anyone aware of a publication (human or animal study) that has directly examined this qstn ? Much appreciated. AI sites do not seem...
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RE: Puzzling Case of Post-Transplant Proteinuria 6 hours ago
We had a couple of cases with post-transplant early proteinuria like this which unexpectedly came up to have COL4A mutation. Dr Venkat, I think it ...
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RE: nephrotic syndrome 7 hours ago
If you think you need to biopsy a solitary kidney in order to manage this patient, I see no reason for a delay. You will have to stop all anticoagu...
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RE: nephrotic syndrome 8 hours ago
Although FSGS lesion due to Cabozantinib much more likely, another differential could be RCC causing AA Amyloid? Especially with massive protienuri...
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RE: Biopsy or not 19 hours ago
Thank you, everyone, for the very helpful insights and discussion. To answer some of the questions raised, her UA showed trace hematuria with 5 R...
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RE: Biopsy or not 20 hours ago
Dr. Hirsch- thanks for your well framed words- a delight to read them- they validate a long life filled with curiousty. All my best to you!! ----...
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RE: Biopsy or not 23 hours ago
Dr. Lee's post mentions "trace" hematuria. It will be helpful to know how many RBCs/HPF, if they were dysmorphic and any casts were seen. Not convi...
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RE: Biopsy or not 23 hours ago
Microscopic hematuria has been described in "10-35%" of patients with proven DM nephropathy so I doubt that this alone (without RBC casts, and with...
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RE: Biopsy or not 1 day ago
Great response Dr.Dastoor- maybe shared decision making is the answer. How will having a precise diagnosis help the patient. --------------------...
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RE: Biopsy or not 1 day ago
I agree that with untreated diabetes and uncontrolled HTN there is a rapid decline . In fact it was suggested that the average egFr decline correla...
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RE: nephrotic syndrome 1 day ago
Looking at the literature, there are cases of severe proteinuria with cabozantinib. We were impressed by the 23 grams. We hesitated to perform a ...
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RE: Biopsy or not 1 day ago
I agree with Dr Glassock: In the modern era of aggressive DM treatment and great success we sometimes forget that the natural history of poorly tre...
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RE: nephrotic syndrome 1 day ago
Thank you both for your comments. IgG 560 mg/dl ------------------------------ Ioannis Giatras MD N. Erythrea 2106771540 ------------------...
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RE: nephrotic syndrome 1 day ago
"IgG low" How low is the IgG level? This may influence choice of rituximab vs steroids for treatment of podocytopathy. ------------------------...
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RE: Biopsy or not 1 day ago
May repeat kidney ultrasound. With diabetic nephropathy and amyloid, kidneys may not become smaller. However, marked increase in echogenicity compa...
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RE: Biopsy or not 1 day ago
It won't modify management at this stage , but perhaps help in diagnosis , if the patient is inclined.. risks of bleeding also increase with lower ...
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RE: nephrotic syndrome 1 day ago
I meant to say MCD/FSGS (a diffuse podocytopathy ) from cabozinitib (a VEGFR inhibitor) ------------------------------ Richard Glassock MD, FAS...
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RE: nephrotic syndrome 1 day ago
The clinical features suggest MCD as a complication from ICI (nivolumab) . You could treat empirically with steroids or RTX if you are concerned ab...
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RE: Biopsy or not 1 day ago
According to my experience and the available literature the rate if decline of eGFR expected in DN is quite broad- between 2 and 20 ml/min/1.73M2/ ...
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nephrotic syndrome 1 day ago
I would appreciate your input on the following case: Male 53 years old, no previous history August 2022: iliac bone biopsy metastatic RCC (...
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RE: Biopsy or not 1 day ago
Dr. Dastoor. Do you think that a kidney biopsy has a chance of modifying management.? If so, what is your estimate of the likelihood of such an out...
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RE: Biopsy or not 1 day ago
DM nephropathy - eye exam Amyloid as was suggested Genetic FSGS - any family hx IgA -??? Renal limited TMA ( hx of preeclampsia) Could be sever...
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RE: Biopsy or not 1 day ago
Your patient has many of the hallmarks of Diabetic Nephropathy and it is highly unlikely that a kidney biopsy will change management in any signifi...
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Biopsy or not 1 day ago
Hello everyone, I wanted to discuss about my case of 41 y.o. Caucasian female with history of uncontrolled type 2 DM, hypertension, rheumatoid...
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RE: Likely Active C3G before transplant 2 days ago
Living related. His potential kidney donor is his mother (47 y) --------------------------------- Ahmed Emara MD, FASN Ain Shams University CA...
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RE: Role Of endothelin blockers In igA Nephropathy 2 days ago
I'm surprised how cheap sparsentan is in UAE, but assuming that reflects the unique characteristics of the US healthcare system! But for full trans...
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RE: Role Of endothelin blockers In igA Nephropathy 2 days ago
Agree with Dr. Hirsch and Rodby about their comments. Because at UPCR of 05-0.7 g/g, there are still residual risk and the younger the patients, th...
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RE: Likely Active C3G before transplant 2 days ago
from AI consultant- KDIGO 2020 recommends NOT excluding C3G candidates from transplantation (1B), because 5-year allograft survival exceeds 5...
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RE: Role Of endothelin blockers In igA Nephropathy 2 days ago
Thanks for the response , I am surprised that ET1 blocker costs USD 27k a month . The prices of drugs in Abudhabi, mirror that of the US . 30 day p...
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RE: Likely Active C3G before transplant 2 days ago
Persistently low c3 means the alternative pathway is continuously activated at fluid phase which makes future graft involvement high. Better to def...
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RE: Likely Active C3G before transplant 2 days ago
As noted, C3G has a high risk of recurrence. If you have access to Iptacopan or pegcetacoplan, I would have no qualms about proceeding. I would cou...
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RE: Role Of endothelin blockers In igA Nephropathy 2 days ago
I appreciate this thoughtful discussion on a complex and nuanced topic of treating IgA nephrophathy with the proliferating class of newer drugs. ...
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RE: A case of Acute Kidney Injury. 2 days ago
Dr Glassock- Albumin is 2.2. First Biopsy was mostly medullary. Dr Friedman- Thanks for the comment. Interesting! Dr Lerman- Anticoagulation i...
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RE: Role Of endothelin blockers In igA Nephropathy 2 days ago
The clinical reasoning of Drs. Hirsch and Rodby is quite fair and sensible. The dictum is that the "lower the proteinuria the better", especially w...
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RE: Role Of endothelin blockers In igA Nephropathy 2 days ago
I am partial to Dr Rodby's thinking here. I have given Sparsentan recently to several IgA patients in the 500-1000 mg range. It is based on extrapo...
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RE: A case of Acute Kidney Injury. 2 days ago
The discrepancies between the first and second kidney biopsy specimens is striking.. any explanations for this phenomenon. Is it all sampling error...
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RE: Likely Active C3G before transplant 2 days ago
C3GN is not an absolute contraindication for renal transplant though high risk for recurrence. IMO low C3 does not necessarily increase risks for r...
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RE: Likely Active C3G before transplant 2 days ago
is expected transplant living related, unrelated, or DD? ------------------------------ [Mark] [Lerman] [MD,FASN,FACP,FAST] AST KPCOP EC [Past Me...
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RE: Role Of endothelin blockers In igA Nephropathy 3 days ago
Yes, but in post-hoc analyses like this we need to be cautious in interpreting an association as proof of causation. ----------------------------...
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RE: Role Of endothelin blockers In igA Nephropathy 3 days ago
this article seems to suggest that lowering proteinuria to less than 0.3 g/g is significantly renoprotective --------------------...
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RE: Do we need genetic testing in C3G (outside Cypriot ancestry)? 3 days ago
Makes sense. Thank you. ------------------------------ B. Andre' Weinstock, PhD Scientist & Alport syndrome-COL4A5 patient Somerville, MA USA ---...
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RE: Do we need genetic testing in C3G (outside Cypriot ancestry)? 3 days ago
In my opinion , genetic testing has limited value in Family planning for C3GN- genetics determines susceptibility, not destiny . Variable penetranc...
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RE: Do we need genetic testing in C3G (outside Cypriot ancestry)? 3 days ago
Given incomplete and variable penetrance, except for CFHR5 nephropathy ,,a positive result can't give a child-specific risk estimate - most carrier...
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