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Biomarker Development for Autoimmune Disorders Involving the Kidneys
Sponsor: Oslo University Hospital
Summary
SILENT-LN is a prospective observational cohort study of adults with systemic lupus erythematosus, including participants with no renal involvement, suspected renal involvement, active lupus nephritis, previous lupus nephritis, or inactive lupus nephritis. The study will measure pre-specified blood and urine biomarkers longitudinally during routine clinical care. The study will evaluate whether blood and urine biomarker concentrations and biomarker panel scores are associated with active lupus nephritis, incident lupus nephritis, renal flare, treatment response, remission or inactive renal disease, kidney biopsy findings, and long-term renal outcomes. Participants will provide blood and urine samples during routine clinical follow-up visits and at visits where renal involvement is clinically suspected. Clinical data, standard laboratory tests, disease activity assessments, kidney function measures, treatment information, and kidney biopsy findings, when available, will be recorded. A predefined increase or persistent elevation in blood or urine biomarker levels will trigger a structured renal assessment, and kidney biopsy or re-biopsy may be performed if the integrated clinical assessment indicates suspected renal involvement, renal flare, or uncertainty regarding renal inflammatory activity and the procedure is considered safe and clinically appropriate. The study is currently conducted at Oslo University Hospital, Riks Hospital and may expand to additional centers following funding and regulatory approvals.
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
OBSERVATIONAL
Enrollment
500
Start Date
2026-06-15
Completion Date
2031-06-14
Last Updated
2026-06-29
Healthy Volunteers
No
Interventions
Longitudinal Blood and Urine Biomarker Monitoring
All enrolled adults with systemic lupus erythematosus, with or without renal involvement, will undergo serial blood and urine biomarker monitoring during routine follow-up. Biomarker concentrations and panel scores will be analyzed in relation to renal disease status, including incident lupus nephritis, active or inactive lupus nephritis, renal flare, treatment response, remission, biopsy findings, and renal outcomes. Biomarker increase or persistent elevation may trigger structured renal assessment. Kidney biopsy or re-biopsy may be considered after integrated medical assessment if lupus nephritis activity is suspected or uncertain and the procedure is safe, appropriate, and accepted by the participant. Treatment decisions remain under the responsibility of the treating physician.
Locations (1)
Oslo universitetssykehus HF, Rikshospitalet, Clinic for Surgery and Specialized Medicine, Department of Rheumatology, Skin and Infectious Diseases
Oslo, Oslo, Norway