Ardelyx (NASDAQ:ARDX) executives said at the Jefferies Global Healthcare Conference that the company is focused on expanding demand for its commercial products, IBSRELA and XPHOZAH, while continuing to invest in its pipeline and positioning the business for sustainable profitability.
Chief Financial Officer Sue Hohenleitner said Ardelyx expects its two commercial products to generate more than $500 million in top-line revenue this year. IBSRELA, the company’s treatment for irritable bowel syndrome with constipation, or IBS-C, represents the largest portion of that outlook, with guidance of $410 million to $430 million. XPHOZAH, used for patients on dialysis with hyperphosphatemia, is expected to contribute $110 million to $120 million.
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Hohenleitner outlined four strategic priorities: increasing IBSRELA demand, sustaining XPHOZAH momentum, advancing the company’s pipeline and maintaining strong financial performance, including top-line growth and a healthy cash position.
IBSRELA Remains Ardelyx’s Main Growth Driver
Chief Commercial Officer Eric Foster said IBSRELA is positioned as an option for IBS-C patients who need something different after treatment with GC-C agonists such as LINZESS or Trulance. He said Ardelyx research indicates that about 77% of patients continue to have symptoms or are not satisfied on a GC-C agonist.
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Foster said IBSRELA benefits from a unique mechanism of action as an NHE3 inhibitor, along with clinical efficacy and safety data. Ardelyx is targeting about 14,000 health care providers, including high-prescribing gastroenterologists, primary care physicians and advanced practice providers, who represent roughly half of the total prescription market the company is focused on.
Foster said IBSRELA grew 73% year over year in 2025 and 58% year over year in the first quarter compared with the prior-year period. He attributed the growth to several factors, including a larger sales force, more targeted physician engagement, improved prescription fulfillment through the IBSRELA Pharmacy Network and patient activation efforts.
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The company doubled the size of its IBSRELA sales force in late 2024 and is adding about 20 representatives, bringing the total to 144. Foster said the new representatives are expected to be in the field by July 1. Ardelyx is also adding field reimbursement managers to help physicians navigate payer requirements.









