“PO13 | Monitoring of Anti-Factor XA Activity Levels in Patients Treated With Direct Oral Anticoagulants and Concomitant Tyrosine Kinase Inhibitors Agents: A Monocentric Experience: E. Santacroce1,2, C. Santoro1, E. Baldacci1, S. Ligia1, R. Mormile1, M. Biglietto1, M. Totaro1, F. R. Mauro1, M. Breccia1, A. Chistolini1 | 1Department of Translational and Precision Medicine, Haematology, Sapienza University of Roma; 2Department of Clinical and Molecular Medicine, Sapienza University of Roma, Italy”. Bleeding, Thrombosis and Vascular Biology 4, no. s1 (August 5, 2025). Accessed August 6, 2025. https://www.btvb.org/btvb/article/view/313.