Pharmacokinetics, Safety and Pharmacodynamics After Multiple Oral Doses of Dabigatran Etexilate Capsule in Healthy Japanese and Caucasian Male Subjects
Pharmacokinetics, Safety and Pharmacodynamics After Multiple Oral Doses of Dabigatran Etexilate Capsule (110 mg and 150 mg b.i.d., 7 Days) in Healthy Japanese and Caucasian Male Subjects (Open Label Study)
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 1
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Japanese or Caucasian healthy male subjects according to the following criteria:
Based upon a complete medical history, including the physical examination, vital signs (blood pressure, pulse rate and body temperature), 12-lead electrocardiogram, clinical laboratory tests
- No finding of clinical relevance
- No evidence of a clinically relevant concomitant disease
- Caucasian subjects are from a well-defined Caucasian population, both parents of Caucasians, the subjects can understand the subject information for informed consent in English and the subjects have lived 8 or less than 8 years in Japan
- Age: ≥20 and ≤45 years
- Body mass index (BMI): ≥18.5 and ≤29.9 kg/m2
- Signed and dated written informed consent before admission to the trial site
Exclusion Criteria:
- Current gastrointestinal, hepatic, renal, respiratory, cardiovascular, metabolic, immunological or hormonal disorders
- Subject can not use an adequate form of contraception from the time of the first dose on Day 1 up to end-of study examination
- Current diseases of the central nervous system (such as epilepsy), or psychiatric disorders or neurological disorders
- History of clinically significant orthostatic hypotension, clinically significant current or past fainting spells or blackouts
- Chronic or relevant acute infections
History of
- allergy/hypersensitivity (including drug allergy) which is deemed relevant to the safety assessment as judged by the investigator (excluding asymptomatic seasonal rhinitis/hay fever)
- any bleeding disorder including prolonged or habitual bleeding
- other hematologic diseases
- cerebral bleeding (e.g. after a car accident)
- concussions (head trauma resulting in injuring to brain) with or without loss of consciousness
- Intake of drugs with a long half-life (>24 hours) within at least 1 month or less than 10 half-lives, whichever is shorter, of the respective drug prior to administration or during the trial
- Use of aspirin (including over-the-counter medications), antipletelet agents like ticlopidine or dipyridamole, chronic administration of nonsteroidal antiinflammatory drugs , coumadin like anticoagulants, chronic use of corticosteroids, heparin or fibrinolytic agents within 28 days prior to administration up to end-of-study examination
- Participation in another trial with an investigational drug within 3 months prior to administration up to end-of-study examination
- Smoker (>10 cigarettes/day or inability to refrain from smoking during the trial)
- Alcohol abuse (more than 60 g/day; confirmed by interview)
- Drug abuse (confirmed by interview)
- Blood donation (more than 100 mL from 3 months prior to screening and any blood donation from screening up to end-of-study examination)
- Excessive physical activities (within 7 days prior to the first drug administration up to end-of-study examination)
- Any laboratory value outside the reference range that is of clinical relevance
- Known hypersensitivity to the investigational drug or its excipients
- Subject who was judged ineligible by the investigator or the sub-investigator
- History of any familial bleeding disorder
- Thrombocytes <15 x 10**4 /microL
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Dabigatran high dose
|
|
|
Experimental: Dabigatran low dose
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
AUCτ,ss (area under the concentration-time curve of the analyte in plasma at steady state over a uniform dosing interval τ)
Time Frame: up to 7 days
|
up to 7 days
|
|
Occurrence of adverse events
Time Frame: up to 10 days
|
up to 10 days
|
|
Changes in QT(c) intervals
Time Frame: up to 7 days
|
up to 7 days
|
|
Cmax,ss (maximum measured concentration of the analyte in plasma at steady state)
Time Frame: up to 7 days
|
up to 7 days
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Vz/F,ss (apparent volume of distribution during the terminal phase λz at steady state following extravascular administration)
Time Frame: up to 7 days
|
up to 7 days
|
|
Cmax (maximum measured concentration)
Time Frame: day 1
|
day 1
|
|
tmax (time from dosing to maximum measured concentration)
Time Frame: day 1
|
day 1
|
|
AUCτ,1 (area under the concentration-time curve over a uniform dosing interval τ after administration of single dose on Day 1)
Time Frame: day 1
|
day 1
|
|
tmax,ss (time from last dosing to maximum concentration at steady state)
Time Frame: up to 7 days
|
up to 7 days
|
|
Cmin,ss (minimum concentration at steady state over a uniform dosing interval τ)
Time Frame: up to 7 days
|
up to 7 days
|
|
λz,ss (terminal rate constant at steady state)
Time Frame: up to 7 days
|
up to 7 days
|
|
t1/2,ss (terminal half-life at steady state)
Time Frame: up to 7 days
|
up to 7 days
|
|
MRTpo,ss (mean residence time in the body at steady state after oral administration)
Time Frame: up to 7 days
|
up to 7 days
|
|
CL/F,ss (apparent clearance in the plasma at steady state after extravascular multiple dose administration)
Time Frame: up to 7 days
|
up to 7 days
|
|
RA,Cmax,13 (accumulation ratio calculated as Cmax,ss/Cmax)
Time Frame: up to 7 days
|
up to 7 days
|
|
RA,AUC,13 (accumulation ratio calculated as AUCτ,ss/AUCτ,1)
Time Frame: up to 7 days
|
up to 7 days
|
|
area under the curve for activated partial thromboplastin time (aPTT)
Time Frame: 0 - 12 hours after adminstration on day 1 and day 7
|
0 - 12 hours after adminstration on day 1 and day 7
|
|
area under the curve for ecarin clotting time (ECT)
Time Frame: 0 - 12 hours after adminstration on day 1 and day 7
|
0 - 12 hours after adminstration on day 1 and day 7
|
|
comparison of trough concentrations
Time Frame: after doses 3, 5, 7, 9, 11 and 13
|
after doses 3, 5, 7, 9, 11 and 13
|
|
comparison of trough concentrations morning versus evening
Time Frame: after doses 9, 10, 11, 12, 13
|
after doses 9, 10, 11, 12, 13
|
Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 1160.61
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