cystic fibrosis cystische fibrose kidney damage nierschade
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age: ≥ 18 years; 2. A diagnosis of cystic fibrosis (ie, sweat chloride ≥ 60 mmol/L or a genotype associated with cystic fibrosis); 3. Chronic infection with Pseudomonas aeruginosa with the most recently isolated organism showing sensitivity to tobramycin; 4. Pulmonary exacerbation as defined by Fuchs and colleagues.
Exclusion criteria
Exclusion criteria: 1. Use of nephrotoxic drugs (NSAID´s, furosemide, vancomycin); 2. Allergy for aminoglycosides; 3. Granulocytopenia (<1,0 x 109/L); 4. Pregnancy; 5. Calculated GFR < 40 ml/min; 6. Pre-existing hearing impairment (≥ 20 dB hearing level at any two frequencies between 2kHz and 8 kHz on the standard audiogram).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| To compare the renal clearance of tobramycin in CF patients receiving a daily intravenous dose in the morning against patients receiving a daily intravenous dose of tobramycin in the evening. | — |
Secondary
| Measure | Time frame |
|---|---|
| To compare biochemical parameters of kidney function in patients who receive a dose of tobramycin in the morning against patients who receive a dose of tobramycin in the evening. | — |
Contacts
PO Box 85.500