Novartis Reports Phase 3 Results for Fabhalta in C3 Glomerulopathy
Biotechnology Media Insights
Editorial Team · October 28, 2025
Novartis announces Phase 3 APPEAR-C3G trial results showing iptacopan significantly reduces proteinuria and improves kidney function in C3 glomerulopathy.

Novartis today announced results from the Phase 3 APPEAR-C3G trial evaluating Fabhalta (iptacopan) in patients with C3 glomerulopathy (C3G). The trial met its primary endpoint, demonstrating a significant reduction in proteinuria compared to placebo at 6 months. Improvements in kidney function and histological parameters were also observed. Iptacopan is a proximal complement inhibitor targeting factor B in the alternative complement pathway, which is central to C3G pathogenesis.
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