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United Therapeutics Corporation Announces FDA Clearance to Proceed with UHeart Xenotransplantation Clinical Trial

SILVER SPRING, Md. & RESEARCH TRIANGLE PARK, N.C., May 15, 2026--United Therapeutics Corporation (Nasdaq: UTHR), a public benefit corporation, today announced that the U.S. Food and Drug Administration (FDA) has granted clearance under the company’s Investigational New Drug application to proceed with a clinical study of its investigational UHeart™ derived from a pig with 10 gene edits. The study, known as EXPRESS, will enroll an initial cohort of up to two participants. United Therapeutics will

articleUnited Therapeutics CorporationMay 15, 20267/company/united-therapeutics-corporation/news/united-therapeutics-corporation-announces-fda-clearance-to-proceed-with-uheart-xenotransplantation-clinical-trial
United Therapeutics Corporation Announces FDA Clearance to Proceed with UHeart Xenotransplantation Clinical Trial

About this update from United Therapeutics Corporation

[{"type":"text","content":"First-ever human clinical trial of a xenoheart intended to support potential registration through the submission of a Biologics License Application to the U.S. FDA","length":163,"tagName":"p"},{"type":"text","content":"SILVER SPRING, Md. & RESEARCH TRIANGLE PARK, N.C., May 15, 2026--(BUSINESS WIRE)--United Therapeutics Corporation (Nasdaq: UTHR), a public benefit corporation, today announced that the U.S. Food and Drug Administration (FDA) has granted clearance under the company’s Investigational New Drug application to proceed with a clinical study of its investigational UHeart™ derived from a pig with 10 gene edits. The study, known as EXPRESS, will enroll an initial cohort of up to two participants. United Therapeutics will provide the FDA with safety and efficacy data from the first UHeart xenotransplant recipient in the study before enrolling a second participant. Following FDA review of available safety and efficacy data from the initial two transplants, the study may then be further expanded, with the intent to support a Biologics License Application (BLA) with the FDA.","length":878,"tagName":"p"},{"type":"text","content":""Moving a porcine-derived heart into human clinical trials represents another defining advancement for the field of xenotransplantation," said Kristina DeSmet, Ph.D., DABT, Senior Director, Product Development at United Therapeutics. "The heart is one of the most complex solid organs to transplant, and proceeding into the clinic reflects years of coordinated scientific progress. For United Therapeutics, this milestone represents our third clinical trial in xenotransplantation and underscores the breadth of our platform, spanning end-stage renal disease and now life-threatening heart disease. Together, these programs reinforce our commitment to expanding transplant options for patients who currently have no other alternatives."","length":756,"tagName":"p"},{"type":"text","content":"Noah Byrd, Ph.D., RAC, Vice President, Global Regulatory Affairs at United Therapeutics, added: "Patients with end stage heart disease continue to face profound limitations in available treatment options. This FDA clearance to proceed with our EXPRESS clinical trial will allow us to begin evaluating an innovative therapeutic option designed to address this unmet need."","length":381,"tagName"...

More updates from United Therapeutics Corporation

United TherapeuticsFDAclinical studyefficacy datazoonotic infectionstransplantspost-transplantxenotransplantparticipantsinitial participantsheart disease