TherOx has received premarket approval from the US Food and Drug Administration (FDA) for its SuperSaturated Oxygen (SSO2) therapy to reduce infarct size in heart attack patients.

The therapy is said to be the first FDA-approved heart attack treatment since percutaneous coronary intervention (PCI), which has been the standard of care for acute myocardial infarction (AMI) for more than two decades.

Discover B2B Marketing That Performs

Combine business intelligence and editorial excellence to reach engaged professionals across 36 leading media platforms.

Find out more

SSO2 is indicated for the treatment of left anterior descending ST-elevation myocardial infarction (LAD STEMI) within six hours of symptom onset. It involves direct delivery of hyperbaric oxygen to the ischemic heart muscle via a single catheter-delivered infusion, which is administered immediately following the opening of the coronary artery by PCI.

This therapy is given adjunctively, immediately after stent placement.

“SSO2 therapy significantly reduces infarct size among patients who suffer from large anterior AMIs.”

In various clinical trials, SSO2 demonstrated a consistent and safe reduction in infarct size in patients with anterior AMI. A pivotal randomised controlled trial showed a 26% relative reduction in infarct size, when compared to PCI alone.

TherOx noted that infarct size reduction is linked to improved patient outcomes, including a reduction in future heart failure.

GlobalData Strategic Intelligence

US Tariffs are shifting - will you react or anticipate?

Don’t let policy changes catch you off guard. Stay proactive with real-time data and expert analysis.

By GlobalData

Additional study findings indicate left ventricular stability at 30 days without deleterious enlargement.

TherOx president and CEO Kevin Larkin said: “We have repeatedly demonstrated that SSO2 therapy significantly reduces infarct size among patients who suffer from large anterior AMIs, which are the most serious of heart attacks.

“This FDA approval enables interventional cardiologists to provide the most advanced care available to further reduce infarct size, prevent heart failure and ultimately save lives.”

American Heart Association’s statistics reveal that around 750,000 people in the US experience a heart attack each year. More than 30% of severe AMI patients are known to develop heart failure. Around 50% of these have a survival rate of less than five years.

Medical Device Network Excellence Awards - Nominations Closed

Nominations are now closed for the Medical Device Network Excellence Awards. A big thanks to all the organisations that entered – your response has been outstanding, showcasing exceptional innovation, leadership, and impact

Excellence in Action
Awarded for Innovation in Remote Hearing Diagnostics , hearX’s Self Test Kit (STK) delivers clinically validated audiometry via smart devices, enabling remote, scalable hearing assessments in homes, clinics and retail. Learn how hearX is redefining hearing care delivery and reducing costs for providers globally.

Discover the Impact