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: Lupus nephritis - Renal Limited TMA - Complement mediated CAPS 6 hours ago
In my opinio this is not CAPS but rather macro-vascular thrombosis In patients with severe LN and hydralazine induced Anti-MPO due to non-criteria ...
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RE: Lupus nephritis - Renal Limited TMA - Complement mediated CAPS 7 hours ago
My only suggestion is that this patient needs "triple immunosuppressive therapy " for aggressive Proliferative LN .pi woukd avoid any exposure to a...
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RE: Atrasentan in Genetic FSGS and IgA Nephropathy 7 hours ago
I agree- adding Atrasentan to a stable (maximal) dose of RASI should be "as good as " switching to Sparsentan (for supportive care in IgAN) , but t...
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RE: Lupus nephritis - Renal Limited TMA - Complement mediated CAPS 8 hours ago
How long was hydralazine exposure? What was Salbumin at presentation? Did he have a ‘bubble’ echo study? What about anti-beta2GPI? “Lesions of TM...
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RE: Lupus nephritis - Renal Limited TMA - Complement mediated CAPS 12 hours ago
thanks , the ADAMS TS13 activity is normal and no antibodies I would just like to add that on admiision his creatinine was 420 umoll/l ( 4.8 mgdl...
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RE: Lupus nephritis - Renal Limited TMA - Complement mediated CAPS 12 hours ago
"I would go with a diagonis of SLE , and associated TMA suggested by fibrin thrombi" agree but you have called this renal limited TMA, remembe...
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Atrasentan in Genetic FSGS and IgA Nephropathy 12 hours ago
As we still do not have Sparsentan in our formulary , i wanted to highlight and share with the community our expreience with Atrasentan , in select...
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Lupus nephritis - Renal Limited TMA - Complement mediated CAPS 13 hours ago
48 year old male from the UAE . Apparently was normal and working in the military . 4 weeks ago noticed that he had SOB and was diagnosed as PE and...
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RE: unexplained renal failure 17 hours ago
Susan-thanks for your suggestion-question assuming AS in this patient is not active how would you explains ESR > 100 if ADTKD and no family history...
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RE: unexplained renal failure 18 hours ago
It is not entirely true that ADTKD will not reveal itself on a kidney biopsy. PAS + glycoprotein aggregates surrounding the TAL with associated inf...
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RE: unexplained renal failure 19 hours ago
It could be ADTKD? Autosomal Dominant Tubulointerstitial Kidney Disease. Genetic testing is the only way to diagnose (will not show up in a biopsy)...
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RE: MCD-IgA nephropathy 1 day ago
I would still treat as a podocytopathy, worth the try, but I wold go with Rituximab alone, steroid sparing avoiding ----------------------------...
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RE: unexplained renal failure 1 day ago
I would do genetic testing first (if available) before renal biopsy, we have picked up a few COL4A3-4 alports (yes even without hematuria) or some ...
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RE: unexplained renal failure 1 day ago
Vascular Or tubulointerstitial amyloidosis is more common in AL and ALECT2 amyloidosis rather than AA amyloidosis which more commonly cause glomeru...
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RE: unexplained renal failure 1 day ago
Yes very uncommon but can present without proteinuria (albumin) ------------------------------ [Mark] [Lerman] [MD,FASN,FACP,FAST] AST KPCOP EC [...
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RE: MCD-IgA nephropathy 2 days ago
Three kidney diseases in one patient. Dr Hickam was correct!!! ------------------------------ Richard Glassock MD, FASN Emeritus Professor Geffen...
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RE: MCD-IgA nephropathy 2 days ago
Because of biopsy proven Stage 3 DN in this case I would stress, Metformin, SGLT2i, GLP1RA and Finerenone for ongoing management after successful t...
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RE: unexplained renal failure 2 days ago
First rule out obstruction (ultrasound) and light chain cast Nephropathy (serum FLC and Immunofixation) . If unrevealing , a kidney biopsy is neede...
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RE: MCD-IgA nephropathy 2 days ago
I would not give immunomodulators to target IgAN if proteinuria improved and has complete remission. ------------------------------ Sarah Al Zou...
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RE: unexplained renal failure 2 days ago
Renal AA amyloidosis with deposits confined to or predominantly in the vascular/tubulointerstitial compartments, while uncommon, is a possibility. ...
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RE: unexplained renal failure 2 days ago
Agree with what had mentioned already. Simultaneous UPCR and UACR is important first step to look for plasma cell dyscrasia. AS associated kidney...
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RE: MCD-IgA nephropathy 2 days ago
Dr . Sarah, the article didn’t mention the add-on therapy for DFPE non-MCD like IgAN, maybe MMF for Asian ancestry or CYC for crescentic IgAN. For...
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RE: unexplained renal failure 2 days ago
Agree need SLC and urine protein ekectrophoresis - would also get CRP - kidney biopsy may be necessary if noninvasive is unremarkable ----------...
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RE: unexplained renal failure 2 days ago
Thank you dr weal for sharing this case . How long has his creatinine been at this level? Medication history is important, especially for chronic u...
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unexplained renal failure 2 days ago
72 year old male patient who is a known case of ankylosing spondylitis, not on medication currently, with no features of active disease, he is hype...
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RE: MCD-IgA nephropathy 2 days ago
If the nephrotic syndrome improves and reverse to normal with prednisolon, I mean no proteinuria, is it still indicated to treat the underlying IgA...
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RE: MCD-IgA nephropathy 3 days ago
I would agree with a probable auto-immune diffuse Podocytopathy superimposed on IgAN and stage III Diabetic nodular Glomerulosclerosis - would have...
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RE: MCD-IgA nephropathy 3 days ago
Thank you Dr. Rodby! I agree, he has mesangial deposits on EM but likely missed on the report! Would you add any of the novel treatments for I...
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RE: MCD-IgA nephropathy 3 days ago
Thank you for your thoughts. Agreed with you about the diagnosis, he doesn't seem to have signs and symptoms of infection, diabetes was controlle...
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RE: MCD-IgA nephropathy 3 days ago
That's very helpful, thank you.. I think he fits more into MCD-like IgA, I will take a look to the publication.. Was the type of other IS for non-M...
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RE: MCD-IgA nephropathy 3 days ago
Thank you.. how long would you wait while on steroids, assuming DM is controlled on insulin? ------------------------------ Sarah Al Zoubi MD Oak...
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RE: MCD-IgA nephropathy 3 days ago
That's exactly what I thought, he has mesangial hypercellularity and mesangial IF staining but no IC on EM, I think maybe missed on the report? I w...
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RE: MCD-IgA nephropathy 3 days ago
Many good points written already Dr Venkat the EMS are there below the LM and there are impressive subendothelial deposits and mesangial deposits...
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RE: MCD-IgA nephropathy 3 days ago
Interesting case, thanks for sharing. A few thoughts: Most likely: a minimal change–like podocytopathy superimposed on IgA nephropathy, with bac...
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RE: MCD-IgA nephropathy 3 days ago
What is the MEST-C score of IgAN? Recently published multi-center retrospective study phenotypes patient with MCD and IgAN into 2 variants; MCD-li...
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RE: MCD-IgA nephropathy 3 days ago
"EM showed diffuse FPE, glomerular basement membranes are thickened and contain focal subendothelial deposits with rare subepithelial deposits" D...
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RE: HSP with heavy proteinuria 3 days ago
Only ‘patchy moderate FPE’ but that was already after ‘oral prednisone 40 mg per day tapered over 10 days’ and then ‘IV steroids followed by predni...
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RE: HSP with heavy proteinuria 3 days ago
Thanks all for the input, much appreciated. Below is the text from the biopsy report. FPE described as patchy and moderate. Will see if I can get i...
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RE: HSP with heavy proteinuria 3 days ago
IgAN and IgAV, shared upstream signals (Gd-IgA1) but different downstream effects (renal limited vs renal and skin). For the skin effects, there ar...
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Cheer on Semi-finalists in the FIT Bowl Today! 3 days ago
Today at Kidney Week, please stop by the ASN Futures Theater in Exhibit Hall A, of the Colorado Convention Center, to watch the 2026 FIT Bowl! ...
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RE: MCD-IgA nephropathy 3 days ago
continue steroids with close monitoring for diabetes control. must be sure IgA not secondary to occult infection especially with known diabetes. co...
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MCD-IgA nephropathy 3 days ago
I want to open a discussion about one of my patients in the clinic. A 55 year old male patient with PMHx of well controlled DM and HTN, presented...
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RE: HSP with heavy proteinuria Friday, October 23 @ 1:25 AM
This is an unexplained phenomenon, seen in (well done) observational (single arm) studies.The "effectiveness" of RTX in IgAV has not (yet) be confi...
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RE: HSP with heavy proteinuria Thursday, October 22 @ 7:09 PM
@Richard Glassock Out of curiosity , why would Rituximab show no benefit in IgA Nephropathy, but good response in igA vasculitis . I am aware that...
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RE: HSP with heavy proteinuria Thursday, October 22 @ 6:54 PM
Drs. Friedman and Venkat. A S0 lesion makes a diffuse Podocytopathy (superimposed on IgAV) less likely, but EM analysis would be of interest, I agr...
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RE: HSP with heavy proteinuria Thursday, October 22 @ 6:50 PM
Since no clinical trials have yet reported efficacy of Atacicept or Atrasentan in IgA Vasculitis, so your conclusions must be extrapolations from I...
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Cheer on your colleagues at the 2026 Fellows-In-Training (FIT) Bowl in Denver! Thursday, October 22 @ 6:31 PM
While at Kidney Week, please stop by the ASN Futures Theater in Exhibit Hall A, of the Colorado Convention Center on Friday, October 23, to watch t...
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RE: Drug-induced lupus and ANCA GN Thursday, October 22 @ 3:57 PM
Thank you Dr. Glassock ------------------------------ Pongstorn Pitiranggon MD Pee Dee Nephrology Florence SC (843) 669-6694 --------------------...
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RE: HSP with heavy proteinuria Thursday, October 22 @ 2:21 PM
I would like to take the contrarian view in that I think the Atacicept and Atrasentan are actually reducing the proteinuria. . However, on withhold...
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RE: HSP with heavy proteinuria Thursday, October 22 @ 12:09 PM
I share Dr. Friedman's impression that there must be a podocytopathy (causing severe nephrotic syndrome) + IgA vasculitis in this patient. How ab...
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