To investigate the relative bioavailability and the pharmacodynamics of dabigatran after switching from enoxaparin to dabigatran etexilate as compared to dabigatran etexilate alone
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
29
Area under the concentration-time curve of the analyte in plasma over the time interval from 0 extrapolated to infinity (AUC0-∞) of dabigatran
Time frame: Up to 48 hours after drug administration
Maximum measured concentration of the analyte in plasma (Cmax ) of dabigatran
Time frame: Up to 48 hours after drug administration
Area under the effect-time curve of the analyte in plasma over the time interval from 0 to 48 h after administration (AUEC0-48) after dabigatran alone and after dabigatran following enoxaparin administration
Time frame: Up to 48 hours after drug administration
Maximum effect ratio to baseline (ERmax) after dabigatran alone and after dabigatran following enoxaparin administration
Time frame: Baseline and up to 48 hours after drug administration
Area under the concentration-time curve of the analyte in plasma over the time interval from 0 to the last quantifiable data point (AUC0-tz) of dabigatran
Time frame: Up to 48 hours after drug administration
Time from dosing to the maximum concentration of the analyte in plasma (tmax) of dabigatran
Time frame: Up to 48 hours after drug administration
Terminal rate constant in plasma (λz) of dabigatran
Time frame: Up to 48 hours after drug administration
Terminal half-life of the analyte in plasma (t1/2) of dabigatran
Time frame: Up to 48 hours after drug administration
Mean residence time of the analyte in the body after oral administration (MRTpo) of dabigatran
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Time frame: Up to 48 hours after drug administration
Apparent clearance of the analyte in plasma after extravascular administration (CL/F) of dabigatran
Time frame: Up to 48 hours after drug administration
Apparent volume of distribution during the terminal phase λz following an extravascular administration (Vz/F) of dabigatran
Time frame: Up to 48 hours after drug administration
Anti-FIIa activity for Dabigatran etexilate
Time frame: Up to 48 hours after drug administration
Anti-FXa/anti-FIIa activity for Enoxaparin
Time frame: Up to 48 hours after drug administration
Activated partial thromboplastin time (aPTT) for Dabigatran etexilate
Time frame: Up to 48 hours after drug administration
Ecarin clotting time (ECT) for Dabigatran etexilate
Time frame: Up to 48 hours after drug administration
Thrombin time (TT) for Dabigatran etexilate
Time frame: Up to 48 hours after drug administration
Change in vital signs (blood pressure, pulse rate)
Time frame: up to day 61
Change in 12-lead electrocardiogram (ECG)
Time frame: up to day 61
Change in clinical laboratory tests
Time frame: up to day 61
Occurrence of adverse events
Time frame: Up to day 61
Assessment of global tolerability by investigator on a four point scale (good, satisfactory, not satisfactory, bad)
Time frame: Day 61
Assessment of local tolerability by investigator on a four point scale (good, satisfactory, not satisfactory, bad)
Time frame: day 3 of enoxaparin administration