Urinary C3d is elevated in patients with active Lupus nephritis and a fall in its level after 3 months predicts response at 6 months on follow up.
Sujata GangulySanjukta MajumderSandeep KumarRanjan GuptaHafis MuhammedVineeta ShobhaAggarwal AmitaShubhini A SarafPublished in: Lupus (2020)
Urinary C3d/creatinine levels and plasma C3d levels can be used as biomarker of disease activity and treatment response.