Healthy
Conditions
Brief summary
Safety and pharmacokinetics after oral single rising doses of BIIB 722 CL
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* Healthy males * 18 to 55 years of age * Broca index \>= -20% and \<= +20% * Written informed consent according to Good Clinical Practice (GCP) and local legislation
Exclusion criteria
* Any finding of the medical examination (including blood pressure, pulse rate and Electrocardiogram (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 or blackouts * Diseases of the central nervous system (such as epilepsy) or psychiatric disorders or neurological 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 * 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 the 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 (\> 60g/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
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total clearance of the analyte in plasma (CLtot/f) | up to 96 hours after drug administration |
| Area under the concentration-time curve of the analyte in plasma (AUC) | up to 96 hours after drug administration |
| Maximum measured concentration of the analyte in plasma (Cmax) | up to 96 hours after drug administration |
| Time from dosing to the maximum concentration of the analyte in plasma (tmax) | up to 96 hours after drug administration |
| Total mean residence time of the analyte in the body (MRTtot) | up to 96 hours after drug administration |
Secondary
| Measure | Time frame |
|---|---|
| Number of subjects with clinically significant findings in vital functions | up to 96 hours after drug administration |
| Number of subjects with clinically significant findings in laboratory tests | up to 96 hours after drug administration |
| Thrombocytic Na-H exchange (NHE-1) inhibition by AUC of pH recovery | up to 24 hours after drug administration |
| Number of subjects with adverse events | up to 96 hours after drug administration |