A Single-arm, Multicenter, Phase III Study to Assess Efficacy, Pharmacokinetics, Safety and Tolerability of Iptacopan in Pediatric Patients of 2 to <18 Years of Age With Primary Immunoglobulin A Nephropathy (IgAN)

The study will enroll approximately 34 pediatric patients with a diagnosis of primary IgAN by kidney biopsy performed within 3 years of Screening with \< 50% tubulointerstitial fibrosis and \<25% crescents and not previously treated with immunosuppressive or other immunomodulatory agents within 90 days (or 180 days for rituximab) prior to first study drug administration. The study comprises the following periods: * Screening Period (up to 11 weeks) * Run-in Period (2 weeks): This period will be approximately 14 days prior to the Enrollment Visit (Day 1) to obtain Baseline assessments, includ…