Core Insights - Ardelyx, Inc. presented data on XPHOZAH at the American Society of Nephrology's Kidney Week, highlighting its effectiveness in real-world settings for patients with chronic kidney disease on dialysis [1][3] Company Overview - Ardelyx, Inc. is a biopharmaceutical company focused on developing innovative medicines to address significant unmet medical needs [1][15] - The company has two commercial products approved in the United States: IBSRELA and XPHOZAH, with ongoing development of next-generation therapies [15][16] Product Information - XPHOZAH is the first phosphate absorption inhibitor approved by the FDA for reducing serum phosphorus in adults with chronic kidney disease on dialysis [2][14] - It is administered as a single tablet taken twice daily and works by blocking phosphate absorption in the gut [2][10] Clinical Study Results - The first real-world study of XPHOZAH showed that patients experienced an average reduction in serum phosphate of nearly 1 mg/dL, with 45.3% of participants achieving a reduction of ≥1 mg/dL [3][4] - A separate survey indicated that 63% of patients reported improved phosphate levels since starting tenapanor, with 69% feeling better about their phosphate control [4] Patient Experience - Positive patient experiences were reported, including improved bowel movements and lower pill burden, with 44% attributing improvements to better phosphate control [4] - Tenapanor also demonstrated effectiveness in improving bowel movements in patients with end-stage kidney disease and constipation [6][7] Economic Analysis - A cost-effectiveness analysis in Japan concluded that tenapanor is cost-effective for hemodialysis patients, meeting the threshold of five million Japanese Yen for willingness to pay [8]

Core Points - Ardelyx, Inc. will hold a conference call on October 30, 2025, at 4:30 p.m. Eastern Time to discuss third-quarter financial results and provide a business update [1] - The conference call will be accessible via phone and will also be webcasted live on the company's website, with a replay available for 30 days [2] Company Overview - Ardelyx is focused on discovering, developing, and commercializing innovative, first-in-class medicines to address significant unmet medical needs [3] - The company has two commercial products approved in the U.S.: IBSRELA (tenapanor) and XPHOZAH (tenapanor) [3] - Ardelyx has international agreements for the development and commercialization of tenapanor, including partnerships with Kyowa Kirin in Japan and Fosun Pharma in China [3]

Company Overview - Ardelyx, Inc. is a biopharmaceutical company focused on discovering, developing, and commercializing innovative, first-in-class medicines to address significant unmet medical needs [3] - The company has two commercial products approved in the United States: IBSRELA (tenapanor) and XPHOZAH (tenapanor) [3] - Ardelyx has international agreements for the development and commercialization of tenapanor, including partnerships with Kyowa Kirin in Japan and Fosun Pharma in China [3] Upcoming Events - Mike Raab, President and CEO of Ardelyx, will participate in a fireside chat at the Jefferies Global Healthcare Conference 2025 on June 4, 2025, at 8:10 am ET in New York [1] - A live webcast of the panel presentation will be accessible on the Ardelyx website, with a replay available for 30 days post-event [2]

Core Insights - Ardelyx, Inc. presented data on IBSRELA (tenapanor) and findings from the IBS in America 2024 Real-World Survey at the Digestive Disease Week Conference, highlighting the correlation between IBS-C symptom severity and financial hardship [1][2] Company Overview - Ardelyx, Inc. is a biopharmaceutical company focused on developing innovative medicines to address significant unmet medical needs, with two commercial products approved in the U.S.: IBSRELA and XPHOZAH [13] Product Information - IBSRELA (tenapanor) is approved by the FDA for treating irritable bowel syndrome with constipation (IBS-C) in adults, acting as a sodium/hydrogen exchanger 3 (NHE3) inhibitor to improve intestinal transit and stool consistency [1][6][12] - The drug has shown efficacy in reducing abdominal pain and improving gastrointestinal symptoms in clinical studies [6] Survey Findings - The IBS in America 2024 Real-World Survey revealed that higher severity of IBS-C symptoms is linked to increased financial burden, assessed using the Functional Assessment of Chronic Illness Therapy Measure of Financial Toxicity (FACIT-COST®) [2] - The survey utilized Patient-Reported Outcomes Measurement Information System® (PROMIS®) gastrointestinal symptom scales to evaluate the impact of IBS on patients' quality of life [2] Safety and Tolerability - Interim results from a Phase 3 study indicated that tenapanor was well-tolerated in pediatric patients aged 12 to 18, with diarrhea being the only adverse event related to the drug [3] - A separate pharmacokinetic study found that tenapanor and its major metabolite were not detectable in the breast milk of lactating females after four days of dosing, indicating a favorable safety profile [4] Market Context - IBS-C affects an estimated 12 million people in the U.S., leading to significant economic burden and impaired quality of life, highlighting the need for effective treatments like IBSRELA [7]

Core Insights - Ardelyx, Inc. is set to present data on its first-in-class retainagogue, IBSRELA (tenapanor), at the Digestive Disease Week Conference, highlighting its approval for treating irritable bowel syndrome with constipation (IBS-C) in adults [1] Company Overview - Ardelyx is focused on discovering, developing, and commercializing innovative medicines that address significant unmet medical needs [11] - The company has two commercial products approved in the U.S.: IBSRELA (tenapanor) and XPHOZAH (tenapanor) [11] - Ardelyx has international agreements for the development and commercialization of tenapanor, including partnerships with Kyowa Kirin in Japan and Fosun Pharma in China [11] Product Information - IBSRELA (tenapanor) acts as a locally acting inhibitor of the sodium/hydrogen exchanger 3 (NHE3), which helps retain luminal water content, accelerating intestinal transit time and resulting in softer stool consistency [4] - The drug has been shown to reduce abdominal pain by decreasing visceral hypersensitivity and intestinal permeability in animal models [4] - IBSRELA is indicated for the treatment of IBS-C in adults, with a significant patient population of approximately 12 million affected in the U.S. [5][10] Clinical Data Presentation - Ardelyx will sponsor a Product Theater at the conference, focusing on integrating a different mechanism of action into the treatment of IBS-C, featuring clinical considerations and data from two Phase 3 clinical trials [3]

Company Overview - Ardelyx, Inc. 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 United States: IBSRELA and XPHOZAH, both containing the active ingredient tenapanor [12] Product Information - XPHOZAH (tenapanor) is the first and only phosphate absorption inhibitor (PAI) approved by the U.S. FDA for reducing serum phosphorus in adults with chronic kidney disease (CKD) on dialysis [2][11] - It is indicated as 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] Clinical Study Insights - The OPTIMIZE Study was a randomized, open-label trial involving 330 patients with CKD on dialysis and hyperphosphatemia, aimed at evaluating methods for initiating XPHOZAH to optimize phosphorus management [3] - A post-hoc analysis of this study has been accepted for presentation at the National Kidney Foundation Spring Clinical Meetings [1][4] Safety and Efficacy - Diarrhea was the most common side effect reported in clinical trials, occurring in 43-53% of patients, with severe diarrhea reported in 5% of patients [10] - The majority of diarrhea events were mild-to-moderate and typically resolved over time or with dose reduction [10] Industry Context - Hyperphosphatemia is a serious condition affecting the majority of the 550,000 patients in the U.S. with CKD on maintenance dialysis, necessitating effective management strategies [7] - The KDIGO treatment guidelines recommend lowering elevated phosphate levels toward the normal range of 2.5-4.5 mg/dL [7]