Workflow
Ardelyx Announces Four Abstracts Accepted for Poster Presentations at the American Society of Nephrology’s Kidney Week

Core Insights - Ardelyx, Inc. announced upcoming data presentations for XPHOZAH (tenapanor) at the American Society of Nephrology's Kidney Week, scheduled for November 5-9, 2025, in Houston [1][3] Company Overview - Ardelyx is a biopharmaceutical company focused on discovering, developing, and commercializing innovative, first-in-class medicines to address significant unmet medical needs [1][12] - The company has two commercial products approved in the U.S.: IBSRELA (tenapanor) and XPHOZAH (tenapanor) [12] Product Information - XPHOZAH is the first and only phosphate absorption inhibitor (PAI) approved by the U.S. FDA to reduce serum phosphorus in adults with chronic kidney disease (CKD) on dialysis [2][11] - It is indicated as an add-on therapy for patients who have an inadequate response to phosphate binders or are intolerant to any dose of phosphate binder therapy [11] - XPHOZAH operates through a unique mechanism that blocks phosphate absorption at the primary pathway and is administered as a single tablet taken twice daily [2][6] Upcoming Presentations - Ardelyx will present several posters at ASN's Kidney Week, including: - "Real-World Effectiveness of Tenapanor (XPHOZAH) for Treatment of Hyperphosphatemia in United States Patients on Dialysis" on November 6, 2025 [4] - "Treatment Satisfaction with Tenapanor (XPHOZAH): Real-World Survey of Patients with End-Stage Renal Disease and Hyperphosphatemia" on November 6, 2025 [4] - "Tenapanor Improves Bowel Movements in Patients with End-Stage Kidney Disease and Mild to Severe Constipation" on November 6, 2025 [5] Industry Context - Hyperphosphatemia is a serious condition affecting the majority of the 550,000 patients in the U.S. with CKD on maintenance dialysis [7][8] - The kidneys are responsible for eliminating excess phosphate, and as kidney function declines, phosphate is not adequately removed from the body, leading to hyperphosphatemia [8]