
Inside the Lab: Bypassing Factor Xa Inhibitors
May 1, 2026


In urgent, high-stakes situations—like major bleeding or emergency surgery—how should clinicians assess coagulation in patients on factor Xa inhibitors? And more importantly, are we focusing on the right signal?
Join global experts as they explore:
Why traditional assays (PT/aPTT, anti-Xa) often fall short in critical decision-making
The role of functional testing in assessing true hemostatic potential
How VMX-C001, a novel bypassing agent, challenges conventional approaches to reversal and monitoring
Be sure to read the VMX-C001 study discussed in the episode.
Tune in now and subscribe to Clot, Clot, Who’s There? for more expert conversations bridging science, practice, and global perspectives in thrombosis, hemostasis, and vascular medicine.
Chapters
00:00 Introduction & Clinical Challenge
02:54 Assessing Factor Xa Inhibitors in Urgent/Emergent Situations
05:29 Why Standard Assays Fall Short
09:38 Functional Testing: dPT & dRVVT
12:35 VMX-C001 & Future Directions
This episode was made possible through generous support from VarmX.