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Pharmacokinetics of nasally administered tobramycin and colistin in Cystic Fibrosis

Completed
Conditions
Cystic Fibrosis
mucoviscidosis
10038686
10004018
10024970
Registration Number
NL-OMON38737
Lead Sponsor
HagaZiekenhuis
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
Not specified
Target Recruitment
10
Inclusion Criteria

1. Confirmed diagnose of Cystic Fibrosis based on genotyping or a positive sweat test
2. Age >= 18 years
3. Intravenous course of tobramycin in the past, but within the age of >= 18 years, with a creatinine value measured during that same intravenous course of tobramycin

Exclusion Criteria

1. Kidney dysfunction (defined as estimated Glomerular Filtration Rate of < 50 ml/min)
2. Liver dysfunction (defined as at least one of the liver enzymes >= 3 times the normal value)
3. Intravenous treatment with aminoglycosides or polymyxins <= 48 hours
4. Acute pulmonary exacerbation (defined by Fuchs criteria)
5. Allergy or intolerance for aminoglycosides or polymyxins
6. Recent surgery of ear, nose or sinuses (< 3 months before study entry)

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
<p>Pharmacokinetic parameters, including AUC (area under the curve), tmax (time to<br /><br>maximum concentration), Cmax (maximum plasma concentration), t1/2,el (terminal<br /><br>half-life) and F (bioavailability).</p><br>
Secondary Outcome Measures
NameTimeMethod
<p>• CL (total body clearance)<br /><br>• safety of the nasal irrigations with tobramycin, colistin and a combination<br /><br>of tobramycin and colistin, determined by systemic absorption (bioavailability)<br /><br>• adverse reactions<br /><br>• Visual Analogue Scale (VAS) score for (in)convenience of the nasal<br /><br>irrigations</p><br>
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