The Evaluation Of Use of Belimumab in Routine Care SEttings in Lupus Nephritis (LN): the OBSErve-LN Study
The purpose of the OBSErve-LN study is to assess the real-world use and effectiveness of belimumab in routine practice for the treatment of adults with active LN in multiple countries of interest. This study aims to provide the first long-term (up to 5 years) assessment of renal function preservation in belimumab treated participants.
• Participants to provide a signed informed consent at the time of enrollment per protocol,
• Male or female aged 18 or over at initiation of belimumab,
• Participants received belimumab in any formulation (subcutaneous or intravenous) for the treatment of active LN prescribed as per local label in combination with standard immunosuppressive therapy/ies at initiation of belimumab,
• Participants initiated belimumab 6 to 24 months prior to study enrollment,
• Accessibility of medical records starting at belimumab initiation (including accessibility of medical records for the prior 12 months and confirmatory biopsy at any time prior to belimumab initiation),
• Biopsy-confirmed LN diagnosis at any time prior to belimumab initiation for treatment of LN
• Class III (focal LN) with or without Class V (membranous LN),
• Class IV (diffuse LN) with or without Class V,
• Class V.