Devices, systems, and methods are provided including a structure having one or more surfaces configured for internal use within a patient's body and one or more therapeutic compositions comprising one or more active substances including a direct
factor Xa inhibitor, and a direct factor IIa inhibitor disposed in or on the structure. The structure is configured to be positioned adjacent an
injury site in the patient's body. The one or more active substances optionally include an anti-proliferative agent. The therapeutic composition is formulated to release the one or more active substances to the
injury site to provide one or more of inhibit
clot formation, promote clot
dissolution, inhibit or dissolute
inflammation, inhibit vessel injury, increase time before clotting, and / or inhibit
cell proliferation.