Tobramycin Administered by eFlow Rapid Nebulizer: Pharmacokinetic Study

Study Overview
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Brief Summary
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This study assesses the aerosol delivery characteristics (measured by nebulization time, serum and sputum tobramycin pharmacokinetic parameters) and safety of tobramycin administered for inhalation by PARI eFlow rapid electronic nebulizer (no compressor) vs. PARI LC PLUS Jet Nebulizer (with compressor) in subjects with cystic fibrosis.

Official Title
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Crossover Pharmacokinetic Study of Tobramycin Administered for Inhalation by PARI eFlow® Rapid Electronic Nebulizer (no Compressor) vs. PARI LC PLUSTM Jet Nebulizer (With Compressor) in Cystic Fibrosis Subjects

Conditions
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Cystic Fibrosis

Intervention / Treatment
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* Drug: Tobramycin


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Male and female subjects aged 6 years or over at the time of screening, Chronically colonized with Pseudomonas aeruginosa. Diagnosis of cystic fibrosis (CF) Ability to expectorate sputum samples on command. Ability to tolerate a 1-week washout interval with no inhaled tobramycin or other aminoglycoside treatment. Clinically stable in the opinion of the investigator. Exclusion Criteria: Inhaled or intravenous aminoglycosides within 7 days before study drug administration. Any investigational drug within 2 weeks before screening. Loop diuretics within 7 days before study drug administration. Current use of inhaled tobramycin delivered by the PARI LC PLUS jet nebulizer without washout period of at least 1 week before entering the study. Women who are, or plan to become, pregnant during the course of the study. Serum creatinine or blood urea (BU) above the upper limit of normal for sex and age, or an abnormal urine analysis Known local or systemic hypersensitivity to aminoglycosides. Other protocol defined inclusion/exclusion criteria may apply.

Ages Eligible for Study
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Minimum Age: 6 Years

Sexes Eligible for Study
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All

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)


Arms and Interventions

| Intervention/Treatment |
| --- |
|Drug: Tobramycin|nan|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Aerosol delivery characteristics of tobramycin when inhaled using either PARI LC PLUS jet nebulizer or PARI eFlow rapid Electronic Nebulizer evaluated by serum concentrations |  |  | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Potential accumulation of tobramycin in serum measured as the change in tobramycin levels from the first day of treatment to the last day of treatment. |  |  | 
| Pharmacokinetics |  |  | 
| Safety assessed by adverse events, serious adverse events |  |  | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Cystic fibrosis, tobramycin, PARI eFlow, PARI LC Plus, nebulizer, pharmacokinetic