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. 2021 Sep 16;2(11):1770-1780.
doi: 10.34067/KID.0005372021. eCollection 2021 Nov 25.

Glomerular Disease in Temporal Association with SARS-CoV-2 Vaccination: A Series of 29 Cases

Affiliations

Glomerular Disease in Temporal Association with SARS-CoV-2 Vaccination: A Series of 29 Cases

Tiffany N Caza et al. Kidney360. .

Abstract

Background: Immune responses to vaccination are a known trigger for a new onset of glomerular disease or disease flare in susceptible individuals. Mass immunization against SARS-CoV-2 in the COVID-19 pandemic provides a unique opportunity to study vaccination-associated autoimmune kidney diseases. In the recent literature, there are several patient reports demonstrating a temporal association of SARS-CoV-2 immunization and kidney diseases.

Methods: Here, we present a series of 29 cases of biopsy-proven glomerular disease in patients recently vaccinated against SARS-CoV-2 and identified patients who developed a new onset of IgA nephropathy, minimal change disease, membranous nephropathy, ANCA-associated GN, collapsing glomerulopathy, or diffuse lupus nephritis diagnosed on kidney biopsies postimmunization, as well as recurrent ANCA-associated GN. This included 28 cases of de novo GN within native kidney biopsies and one disease flare in an allograft.

Results: The patients with collapsing glomerulopathy were of Black descent and had two APOL1 genomic risk alleles. A brief literature review of patient reports and small series is also provided to include all reported cases to date (n=52). The incidence of induction of glomerular disease in response to SARS-CoV-2 immunization is unknown; however, there was no overall increase in incidence of glomerular disease when compared with the 2 years prior to the COVID-19 pandemic diagnosed on kidney biopsies in our practice.

Conclusions: Glomerular disease to vaccination is rare, although it should be monitored as a potential adverse event.

Keywords: ANCA; APOL1; COVID-19; IgA nephropathy; SARS-CoV-2 vaccine; collapsing glomerulopathy; crescentic glomerulonephritis; glomerular and tubulointerstitial diseases; lupus nephritis; membranous nephropathy; minimal change disease.

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Conflict of interest statement

J.T. Henry reports ownership interest in Fort Smith Regional Dialysis. G. Schlessinger reports consultancy agreements with Medtronic and ownership interest in US Renal Care. Z. Karam reports honoraria from Spherix. R.M. Seipp reports honoraria from M3 Global Research and Spherix Global Insights. P.D. Walker reports consultancy agreements with Apellis and Travere and honoraria from Apellis and Travere. All remaining authors have nothing to disclose.

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