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Updated: Jan 8, 2026
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Author Spotlight: Investigating the Potential of Chinese Herbal Medicinal Active Dioscin in Treating IgA Nephropathy
Published on: October 13, 2023
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Complement Inhibition in Immunoglobulin A Nephropathy: A Mini-Review
Jia Wei Teh1, Sinead Stoneman2, Michelle M O'Shaughnessy1
1School of Medicine, University of Galway, Galway, Ireland; Department of Nephrology, University Hospital Galway, Galway, Ireland.
Summary
Immunoglobulin A nephropathy (IgAN) treatment is evolving with complement inhibitors. Iptacopan is approved, and new therapies targeting the complement system show promise for IgAN patients.
Area of Science:
- Nephrology
- Immunology
- Pharmacology
Background:
- Immunoglobulin A nephropathy (IgAN) is the most common immune-mediated glomerular disease globally.
- The complement system plays a crucial role in IgAN pathogenesis and progression.
- Targeting the complement system is a promising therapeutic strategy for IgAN.
Purpose of the Study:
- To review the role of complement in IgAN pathogenesis.
- To summarize current and emerging complement-targeted therapies for IgAN.
- To discuss the integration of complement inhibition into the IgAN treatment paradigm.
Main Methods:
- Literature review of IgAN pathogenesis and complement system involvement.
- Summary of clinical trial data for complement inhibitors in IgAN.
- Analysis of the current treatment landscape for IgAN.
Main Results:
- Iptacopan, a complement factor B inhibitor, is the first approved complement inhibitor for IgAN.
- Multiple other complement inhibitors are in Phase II/III clinical trials for IgAN.
- Understanding complement's role guides new therapeutic developments.
Conclusions:
- Complement inhibition represents a significant advancement in IgAN treatment.
- Further research is needed to optimize the use of complement inhibitors in IgAN.
- The evolving treatment paradigm for IgAN includes targeted complement therapies.
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