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Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
Published on: June 8, 2022
Severe lupus nephritis: racial differences in presentation and outcome
Stephen M Korbet1, Melvin M Schwartz, Joni Evans
1Department of Medicine, Rush-Presbyterian-St. Lukes Medical Center, Chicago, IL 60612, USA. skorbet@aol.com
Journal of the American Society of Nephrology : JASN
|December 15, 2006
Summary
Black patients with severe lupus nephritis had poorer outcomes and more aggressive disease markers compared to white patients. These racial disparities in lupus nephritis highlight the need for targeted research and treatment strategies.
Area of Science:
- Nephrology
- Immunology
- Clinical Medicine
Background:
- Severe lupus nephritis presents significant challenges in patient management and long-term prognosis.
- Understanding racial disparities in lupus nephritis is crucial for equitable healthcare delivery.
Purpose of the Study:
- To investigate clinicopathologic variables explaining racial differences in outcomes for severe lupus nephritis.
- To assess the impact of race on serologic, histologic, and treatment response in lupus nephritis patients.
Main Methods:
- Analysis of 86 patients with severe lupus nephritis from a prospective, controlled clinical trial.
- Comparison of serologic markers (anti-Ro, anti-nRNP, anti-Sm), biopsy findings (glomerular lesions), remission rates, patient survival, and renal survival across racial groups.
Main Results:
- Black patients showed higher prevalence of anti-Ro, anti-nRNP, and anti-Sm antibodies.
- Class III lupus nephritis lesions were more common in black patients (76%) versus white patients (44%), while Class IV lesions were less common (24% vs 54%).
- Black patients had significantly poorer 10-year patient survival (59% vs 81%) and renal survival (38% vs 68%) compared to white patients.
Conclusions:
- Racial differences in serologic and histologic features at presentation correlate with disease severity and outcomes in lupus nephritis.
- Black patients with severe lupus nephritis exhibit a profile associated with more aggressive disease and worse prognosis than white patients.
- Identifying predictors of remission and end-stage renal disease (ESRD) is essential for improving patient outcomes.
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