About this trial
This is an observational study intended to track the course of the primary membranous nephropathy disease in real-world clinical practice.
The study will primarily assess the long-term outcomes of patients with primary membranous nephropathy in the context of advances in treatment options.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Adults (≥18 years old) on the day of signing informed consent.
Diagnosis of primary membranous nephropathy
Nephrotic syndrome (proteinuria >3.5 g/24 hours)
Written informed consent to the use of recorded data for research purposes.
Disqualifiers
Legal incapacity or limited legal capacity.
Any contraindication to treatment with rituximab or other monoclonal antibody
Trial population
The study will enrol all patients with a diagnosis of primary membranous nephropathy and the nephrotic syndrome (proteinuria \>3.5 g/24-h) treated with rituximab or other monoclonal antibodies (including, among others, ofatumumab, obinutuzumab, felzartamab).
Trial design
Case-only
Other
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Evaluation of disease remission
Combined endpoint of complete (proteinuria \< 0.3 g/24-hours) or partial (proteinuria \<3 g/24-hours with \>50% change vs proteinuria at baseline that is the time of the first rituximab or other monoclonal antibody administration) remission
Secondary outcomes
Evaluation of disease progression
Assessment of disease progression and identification of the relevant disease outcome
Rate of GFR decline
Rate of measured and estimated (CKD-Epi) GFR decline (or improvement)
Blood parameter levels
Assessment of blood parameter levels considered as continuous variables
Incidence of adverse events
Incidence of adverse events, as assessed and recorded in every-day clinical practice
Sponsors and contacts
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