Proteinuria affects most people with complement 3 glomerulopathy (C3G). Protein in urine is one of the strongest indicators of disease progression. Reducing proteinuria can slow the progression of C3G ...

C3 glomerulopathy (C3G) and immune complex membranoproliferative glomerulonephritis (IC-MPGN) are rare kidney conditions caused by an overactive complement system, part of the immune system. C3G ...