Healthy
Conditions
Brief summary
Assessment of the effect of two times oral 100 mg ritonavir capsules on pharmacokinetics of a single dose of BILR 355 BS dissolved in PEG 400
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* All participants in the study should be healthy males * Age range from 21 to 50 years * Body mass index (BMI) be within 18.5 to 29.9 kg/m2 * In accordance with Good Clinical Practice and the local legislation all volunteers will have given their written informed consent prior to admission to the study
Exclusion criteria
* Any finding of the medical examination (including blood pressure, pulse rate and ECG) deviating from normal and of clinical relevance * Gastrointestinal, hepatic, renal, respiratory, cardiovascular, metabolic, immunological or hormonal disorders * Diseases of the central nervous system (such as epilepsy) or psychiatric disorders or neurological disorders * History of orthostatic hypotension, fainting spells or blackouts * 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 at least one month or less than ten half-lives of the respective drug before enrolment in the study or during the study * Use of any drugs which might influence the results of the trial up to 7 days prior to enrolment in the study or during the study * Participation in another trial with an investigational drug (≤ two months prior to administration or during the trial) * Smoker (\> 10 cigarettes or \> 3 cigars of \> 3 pipes/day) * Inability to refrain from smoking on trial days * Alcohol abuse (\> 60 g/day) * Drug abuse * Blood donation (≥ 100 mL within four weeks prior to administration or during the trial) * Any laboratory value outside the clinically accepted reference range * Excessive physical activities within the last week before the trial or during the trial Following
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Urinary excretion (Ae) | up to 72 hours after drug administration |
| Maximum observed concentration of the analyte in plasma (Cmax) | up to 120 hours after drug administration |
| Time to reach Cmax (tmax) | up to 120 hours after drug administration |
| Area under the concentration-time curve (AUC) | up to 120 hours after drug administration |
| Terminal half-life of the analyte in plasma (t1/2) | up to 120 hours after drug administration |
| Total clearance of the analyte in plasma (CL/F) | up to 120 hours after drug administration |
| Total mean residence time (MRTtot) | up to 120 hours after drug administration |
| Apparent volume of distribution (Vz/F) | up to 120 hours after drug administration |
| Renal clearance (CLR) | up to 72 hours after drug administration |
Secondary
| Measure | Time frame |
|---|---|
| Number of subjects with adverse events | up to 26 days |