NCT Number: NCT02171026
Bioavailability of Dabigatran and Amiodarone After Multiple Oral Administrations of Dabigatran Etexilate With or Without Amiodarone as Single Dose in Healthy Male and Female Volunteers
Investigation of the bioavailability, safety and tolerability of dabigatran with and without concomitant administration of amiodarone and the bioavailability of amiodarone and desethylamiodarone after administration of a single dose of amiodarone with and without dabigatran
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Conditions
Age range
18 year–55 year
Sex eligibility
All sexes
Study type
Interventional
Phase
Phase 1
Who can participate
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Healthy males and females according to the following criteria:
- Based upon a complete medical history, including the physical examination, vital signs (BP, pulse rate (PR)), 12-lead ECG, clinical laboratory tests
- Aged >=18 and <=55 years
- Body mass index (BMI) >=18.5 and BMI <=29.9 kg/m2
- Signed and dated written informed consent prior to admission to the study according to GCP and local legislation
Exclusion criteria
- Clinically relevant gastrointestinal, hepatic, renal, respiratory, cardiovascular, metabolic, immunological or hormonal disorders
- Relevant surgery of gastrointestinal tract
- History of any bleeding disorder or acute blood coagulation defect
- Diseases of the central nervous system, such as epilepsy; psychiatric disorders or neurological disorders
- History of relevant orthostatic hypotension, fainting spells or blackouts
- Chronic or relevant acute infections
- History of allergy/hypersensitivity, including drug allergy, which was deemed relevant to the study as judged by the investigator
- Intake of drugs with a long half-life (>24 hours) within at least one month or less than 10 half-lives of the respective drug prior to administration or during the study
- Use of drugs, which might have reasonably influenced the results of the study based on the knowledge at the time of protocol preparation within 10 days prior to administration or during the study
- Participation in another study with an investigational drug within two months prior to administration or during the study
- Alcohol abuse (more than 60 g/day)
- Drug abuse
- Blood donation; more than 100 mL within four weeks prior to administration or during the study
- Excessive physical activities; within one week prior to administration or during the study
- Any laboratory value outside the reference range that was of clinical relevance
- Inability to comply with dietary regimen of study centre
- Females of child bearing potential who were pregnant, breast feeding or who were either not surgically sterile or were sexually active and not using an acceptable, i.e. highly effective with a Pearl index >1%, form of contraception as either the oral contraceptives since at least two months and the double barrier method, i.e. intrauterine device with spermicide and condom for the male partner 18.) Male subjects had to agree to minimize the risk of female partners becoming pregnant from the first dosing day until 3 months after the completion of the post-study medical. Acceptable methods of contraception comprised barrier contraception and a medically accepted contraceptive method for the female partner (intrauterine device with spermicide, hormonal contraceptive since at least two month).
19.) Abnormal thyroid stimulating hormone (TSH) at screening
Treatment and study plan
Amiodarone
DrugPrimary outcomes
-
AUCτ,ss (area under the concentration time curve of the analyte in plasma over one steady state dosing interval)
Time frame: pre-dose and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 h post-dose on day 3, pre-dose and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose on day 4
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Cmax,ss (maximum concentration of the analyte in plasma at steady state)
Time frame: pre-dose and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 h post-dose on day 3, pre-dose and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose on day 4
-
AUC0-infinity (area under the concentration time curve of the analyte in plasma extrapolated to infinity)
Time frame: pre-dose and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
Cmax (maximum concentration of the analyte in plasma)
Time frame: pre-dose on day 1 and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
Changes in aPTT (activated partial thromboplastin time)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
Changes in ECT (ecarin clotting time)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
AUERτ,ss (area under the effect ratio-time curve of the analyte in plasma at steady state over a uniform dosing interval τ)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
ERmax,ss (maximum effect ratio in plasma at steady state)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
Secondary outcomes
-
AUC0-tz,ss (area under the concentration-time curve of the analyte in plasma from the time point 0 after the last dose at steady state to the last quantifiable analyte plasma concentration within the uniform dosing interval τ)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
tz,ss (time of last measurable concentration of the analyte in plasma within the dosing interval τ at steady state)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
tmax,ss (time from last dosing to the maximum concentration of the analyte in plasma at steady state on Day 4)
Time frame: pre-dose Day 4 and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
CL/Fss (apparent clearance of the analyte in the plasma at steady state after extravascular multiple dose administration)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
CLR,ss (renal clearance of the analyte at steady state determined over the dosing interval τ)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
Cmin,ss (minimum measured concentration of the analyte in plasma at steady state over a uniform dosing interval τ)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
tmin,ss (time from last dosing to the minimum concentration of the analyte in plasma at steady state over a uniform dosing interval τ)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
Cpre,ss (pre-dose concentration of the analyte in plasma at steady state immediately before administration of the next dose)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
MRTp.o.,ss (mean residence time of the analyte in the body at steady state after oral administration)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
Vz/Fss (apparent volume of distribution of the analyte during the terminal phase λz at steady state following an extravascular administration)
Time frame: pre-dose on Day 1, 2, 3, and 4; on day 3 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24 h post-dose; on day 4 pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120 h post-dose
-
Aeτ,ss (amount of the analyte eliminated in urine at steady state over an uniform dosing interval τ)
Time frame: pre-dose, 0-12 h and 12-24 h post-dose on days 3 and 4
-
feτ,ss (fraction of the analyte eliminated in urine at steady state over a uniform dosing interval τ)
Time frame: pre-dose, 0-12 h and 12-24 h post-dose on days 3 and 4
-
AUC 0-tz (area under the concentration-time curve of the analyte in plasma over the time interval 0 to the last quantifiable analyte plasma concentration after single dose administration)
Time frame: pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
tz (time of last measurable concentration of the analyte in plasma following a single dose)
Time frame: pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
%AUCtz-infinity (percentage of the AUC0-infinity of the analyte obtained by extrapolation)
Time frame: pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
tmax (time from dosing to the maximum concentration of the analyte in plasma following a single dose)
Time frame: pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
λz (terminal rate constant of the analyte in plasma after a single dose)
Time frame: pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
t1/2 (terminal half-life of the analyte in plasma after a single dose)
Time frame: pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
MRTp.o. (mean residence time of the analyte in the body after single dose p.o. administration
Time frame: pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
CL/F (apparent clearance of the analyte in the plasma after extravascular single dose administration)
Time frame: pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
Vz/F (apparent volume of distribution of the analyte during the terminal phase λz following extravascular dose)
Time frame: pre-dose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96 and 120 h post-dose
-
Changes in physical examination
Time frame: up to 8 days following drug administration
-
Changes in vital signs (BP, PR)
Time frame: up to 8 days following drug administration
-
Changes in 12-lead electrocardiogram (ECG)
Time frame: up to 8 days following drug administration
-
Changes in clinical laboratory tests
Time frame: up to 8 days following drug administration
-
Occurrence of adverse events
Time frame: up to 8 days following drug administration
-
Assessment of tolerability by investigator
Time frame: up to 8 days following drug administration
Sponsors and collaborators
Lead sponsor
Boehringer Ingelheim
Industry
Registry information
Official study title
Relative Bioavailability of Dabigatran and Amiodarone After Multiple Oral Administrations of 150 mg Dabigatran Etexilate b.i.d. With or Without 600 mg Amiodarone as Single Dose in Healthy Male and Female Volunteers (an Open-Label, Multiple-Dose, Group-Comparison Study)
Important dates
- Study start
- 2006
- Primary completion
- 2006
- First posted
- Jun 23, 2014
- Registry last updated
- Jun 23, 2014
OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.
View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
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