The pharmacokinetics of 50 mg BIBR 1048 administered as two newly developed capsule formulation using melt extrusion technology was assessed in two separate, single dose, 3-way crossover, open design, randomised studies. The 3-way crossover treatments included administration of the tartaric acid solution of 50 mg BIBR 1048, the capsule formulation A or B and administration of the capsules with coadministration of pantoprazole.

Inclusion Criteria:

• Healthy male subjects as determined by results of screening
• Signed written informed consent in accordance with GCP and local legislation
• Age ≥ 18 and ≤ 55 years
• Broca ≥ - 20% and ≤ + 20%

Exclusion Criteria:

• Any findings of the medical examination (including blood pressure, pulse rate and ECG) deviating from normal and of clinical relevance
• History or current gastrointestinal, hepatic, renal, respiratory, cardiovascular, metabolic, immunologic, hormonal disorders
• History of orthostatic hypotension, fainting spells and blackouts
• Diseases of the central nervous system (such as epilepsy) or psychiatric disorders
• Chronic or relevant acute infections
• History of allergy/hypersensitivity (including drug allergy) which is deemed relevant to the trial as judged by the investigator
• Any bleeding disorder including prolonged or habitual bleeding
• Other hematologic disease
• Cerebral bleeding (e.g. after a car accident)
• Commotio cerebri
• Intake of drugs with a long half-life (>24 hours) within 1 month prior to administration
• Use of any drugs which might influence the results of the trial within 10 days prior to administration or during trial
• Participation in another trial with an investigational drug within 2 months prior to administration or during trial
• Smoker (> 10 cigarettes or 3 cigars or 3 pipes/day) or inability to refrain from smoking on study days
• Alcohol abuse (> 60 g/day)
• Drug abuse
• Blood donation within 1 month prior to administration or during the trial
• Excessive physical activities within 5 days prior to administration or during the trial
• Any laboratory value outside the clinically accepted reference range
• History of any familial bleeding disorder
• Thrombocytes < 150000/µl