Medical University of Vienna
Vienna, 1090, Austria
NCT Number: NCT03177720
The investigators will determine the difference of pharmacokinetics of ciprofloxacin and imipenem between healthy volunteers and intensive care patients suffering from pneumonia in plasma and at the target site - lung - using bronchoalveolar lavage. As additional aspect the feasibility of combining microdosing of C14 ciprofloxacin with microdialysis, saliva sampling and bronchoalveolar lavage is studied by comparing pharmacokinetics of microdose and macrodose.
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Notify Me18 year and older
All sexes
Interventional
Phase 1
Vienna, 1090, Austria
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Ciprofloxacin 400mg will be administered as single dose infusion over 60 minutes, imipenem/cilastatin 1000mg as single intravenous dose applicated over 60 minutes.
Ciprofloxacin 400mg will be administered as single dose infusion over 60 minutes, imipenem/cilastatin 1000mg as single intravenous dose applicated over 60 minutes.
Time frame: Plasma over 10 hours and BAL (bronchoalveolar lavage) Sampling at different time points in these 10 hours.
Comparison of Cmax of ciprofloxacin and imipenem in plasma and epithelial lining fluid, alveolar macrophages and saliva (only healthy subjects) in healthy subjects and patients with bacterial pneumonia.
Time frame: Plasma over 10 hours and BAL Sampling at different time points in these 10 hours.
Comparison of AUC of ciprofloxacin and imipenem in plasma and epithelial lining fluid, alveolar macrophages and saliva (only healthy subjects) in healthy subjects and patients with bacterial pneumonia.
Time frame: Plasma over 10 hours and BAL Sampling at different time points in these 10 hours.
Comparison of AUC of ciprofloxacin and imipenem in plasma and epithelial lining fluid, alveolar macrophages and saliva (only healthy subjects) in healthy subjects and patients with bacterial pneumonia.
Time frame: Plasma sampling over 10 hours and microdialysate sampling.
Comparison of pharmacokinetics of microdoses and macrodoses in lung, subcutaneous tissue (microdialysis) and plasma in healthy volunteers.
Time frame: Plasma sampling over 10 hours and microdialysate sampling.
Comparison of pharmacokinetics of microdoses and macrodoses in lung, subcutaneous tissue (microdialysis) and plasma in healthy volunteers.
Time frame: Plasma sampling over 10 hours and microdialysate sampling.
Comparison of pharmacokinetics of microdoses and macrodoses in lung, subcutaneous tissue (microdialysis) and plasma in healthy volunteers.
Time frame: Microdialysate sampling (Baseline sampling before study drug administration - sampling over 3 hours - retrodialysis)
In healthy volunteers only for comparison of Cmax of C14 ciprofloxacin and Cmax of ciprofloxacin as macrodose.
Time frame: Microdialysate sampling (Baseline sampling before study drug administration - sampling over 3 hours - retrodialysis)
In healthy volunteers only for comparison of Cmax of C14 ciprofloxacin and Cmax of ciprofloxacin as macrodose.
Time frame: Microdialysate sampling (Baseline sampling before study drug administration - sampling over 3 hours - retrodialysis)
In healthy volunteers only for comparison of Cmax of C14 ciprofloxacin and Cmax of ciprofloxacin as macrodose.
Time frame: Screening visit and final examination are performed up to 7 days before/after the actual study day and safety and tolerability assessed.
Incidence of Treatment Emergent Adverse Events (Study drugs: ciprofloxacin, 14C labelled ciprofloxacin and imipenem)
Medical University of Vienna
Other
Determination of Single-dose Intrapulmonary Pharmacokinetics of Ciprofloxacin and Imipenem in Healthy Subjects and Intubated Patients Suffering From Pneumonia Using Bronchoalveolar Lavage
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