September 25, 2025 – Lifesaving treatment for severe bleeding emergencies can now be rapidly delivered via a new tranexamic acid (TXA) autoinjector device developed by a team including the Hebrew University of Jerusalem (HU). 

Severe bleeding is the leading cause of preventable death in trauma situations, from combat zones to highway accidents. TXA—an antifibrinolytic drug known to significantly improve survival in severe bleeding by helping to stabilize blood clots and reduce blood loss—is already widely used in hospitals, trauma centers, and by pre-hospital emergency responders. Research has shown that for every 15-minute delay in administering TXA, its effectiveness drops by 10%, underscoring the need for a faster, simpler solution. However, the standard IV method of administration can be difficult to perform in chaotic, high-stress environments, leading to dangerous delays in treatment. 

According to the research published in Injury, the new autoinjector is as effective as traditional intravenous methods, but only takes five minutes and doesn’t require medical expertise. This breakthrough could transform trauma care in emergencies, making rapid, easy-to-administer treatment available in hospitals, roadside accidents, or in military situations when every second counts.  

The group of researchers was led by Prof. Arik Eisenkraft and Prof. David Gertz of the HU Faculty of Medicine. The simplicity and portability of the autoinjector device allows it to be used widely by paramedics, first responders, and military medics, ensuring that TXA can be administered within the critical early minutes following severe injury. 

“When someone is bleeding heavily, every minute matters,” saidDr. Eisenkraft. “With this autoinjector, even non-medical responders can administer lifesaving treatment almost instantly—and that can mean the difference between life and death.” 

“This innovation could transform trauma response in the field,” addedDr. Gertz. “From roadside accidents and natural disasters to combat zones, the ability to deliver a proven treatment quickly and easily has the potential to save countless lives. 

The research paper titled “Autoinjector-Based Delivery of Tranexamic Acid Provides Pharmacokinetic Efficacy in a Porcine Model of Uncontrolled Hemorrhage”  is now available in  Injury  and can be accessed here.