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Terumo Aortic today announced that the US Food and Drug Administration (FDA) has granted approval of the Relay®Pro Thoracic Stent-Graft device for the treatment of dissection and transection in the United States.

Relay®Pro delivers uncompromised clinical performance in the lowest commercially available profile and is indicated for all pathologies of the descending thoracic artery; aneurysm, penetrating atherosclerotic ulcers, transection and dissection. Relay®Pro offers unparalleled accuracy, proven efficacy and durability as well as the widest range of sizes, tapering and configurations on the market, designed to expand the treatment of thoracic endovascular aortic repair (TEVAR) to patients with smaller access vessels.

This approval follows the excellent results from recent studies on Relay®Pro Dissection (RelayPro-D) and Relay®Pro traumatic injury (RelayPro-T).

The Pro-D study was a prospective, multicenter pivotal trial conducted in 22 US centers and enrolled 56 patients with acute, complicated Type B aortic dissection. Approximately two thirds of the subjects had dissection extension to the iliac arteries. The primary endpoint of all-cause mortality at 30 days was 1.8% and demonstrated a clear early survival benefit. Patients will be followed for 5 years.

National Principal Investigator of the Pro-D study, Peter Rossi, MD, FACS, DFSVS, Professor and Chief of the Division of Vascular and Endovascular Surgery at the Medical College of Wisconsin, said: “The fully covered, non-bare stent (NBS) configuration of Relay®Pro was most used in the pivotal trial, highlighting the clinical value of this platform, and a full 86% of procedures were percutaneous. I am very encouraged by the one-year outcomes of this pivotal study which will be published soon now that approval of this new generation device has been granted; also, it is heartening that our dissection patients will have this additional option.”

The Pro-T study was a prospective, multicenter pivotal study that enrolled 50 patients in 16 US centers. The purpose of the study was to assess the performance of Relay®Pro for the treatment of transection. The primary endpoint of the trial was all-cause mortality at 30 days was 2% with follow-up continuing for five years.

National Principal Investigator of the Pro-T study, Benjamin W Starnes MD, Professor and Chief of Vascular Surgery, University of Washington, Seattle, commented: “We’re looking forward to having this latest-generation device available for all thoracic indications. A low-profile device will be particularly useful for trauma patients who are typically younger and with smaller access vessels. 80% of the procedures in this study were percutaneous, highlighting a distinct value of the Relay®Pro stent-graft system.” The approval of RelayPro-T also introduces a 22mm diameter option.

Furthermore, with the Relay®Pro “Upon Request” program, there are approximately 2000 stent-graft configurations approved by the FDA; this truly comprehensive portfolio allows physicians unparalleled choice and versatility allowing physicians to select devices that best fit the anatomical needs of each individual patient.

The Relay®Pro Thoracic Stent Graft received CE Mark approval in 2017 and FDA approval in 2021 for the treatment of patients with Thoracic Aortic Aneurysms (TAA) and Penetrating Atherosclerotic Ulcers (PAUs).

About Terumo

Terumo (TSE: 4543) is a global leader in medical technology and has been committed to “Contributing to Society through Healthcare” for 100 years. Based in Tokyo and operating globally, Terumo employs more than 30,000 associates worldwide to provide innovative medical solutions in more than 160 countries and regions. The company started as a Japanese thermometer manufacturer, and has been supporting healthcare ever since. Now, its extensive business portfolio ranges from vascular intervention and cardio-surgical solutions, blood transfusion and cell therapy technology, to medical products essential for daily clinical practice such as transfusion systems, diabetes care, and peritoneal dialysis treatments. Terumo will further strive to be of value to patients, medical professionals, and society at large.

Among the information that Terumo discloses, the forward-looking statements including financial projections are based upon our assumptions using information available to us at the time and are not intended to be guarantees of future events or performance. Accordingly, it should be noted that actual results may differ from those forecasts or projections due to various factors. Factors affecting to actual results include, but are not limited to, changes in economic conditions surrounding Terumo, fluctuations of foreign exchange rates, and state of competition.


Information about products (including products currently in development) included in this material is not intended to constitute an advertisement or medical advice.