Core Points - The European Commission has converted the conditional marketing approval of FILSPARI (sparsentan) into a standard marketing authorization for the treatment of IgA nephropathy (IgAN) [1][2] - This decision follows a positive recommendation from the Committee for Medicinal Products for Human Use (CHMP) in February 2025 [1][2] - The approval is based on comprehensive data from the phase-III PROTECT study, which demonstrated that FILSPARI significantly slowed kidney function decline compared to irbesartan [1][2][9] Company Overview - CSL Vifor is a global partner specializing in pharmaceuticals and innovative therapies for iron deficiency and nephrology, headquartered in St. Gallen, Switzerland [3] - Travere Therapeutics is a biopharmaceutical company focused on developing therapies for rare diseases, emphasizing the urgent need for treatment options [5] Product Information - FILSPARI is the only Dual Endothelin Angiotensin Receptor Antagonist (DEARA) approved in Europe for IgAN, currently available in Germany, Austria, and Switzerland [3][11] - It is a non-immunosuppressive therapy with high selectivity for the endothelin A receptor and the angiotensin II subtype 1 receptor [10][11] Clinical Study Insights - The PROTECT study is one of the largest interventional studies in IgAN, involving 404 patients and comparing the efficacy of FILSPARI to irbesartan [8][9] - The study met its primary endpoint, showing a mean reduction in proteinuria of 49.8% for FILSPARI compared to 15.1% for irbesartan after 36 weeks [9]