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Population Pharmacokinetics and Safety of Intravenous Ceftolozane/Tazobactam in Adult Cystic Fibrosis Patients

Cystic Fibrosis Clinical Trial

Official title:
A Prospective, Multicenter, Open-Label Study to Assess Population Pharmacokinetics and Safety of Intravenous Ceftolozane/Tazobactam in Adult Cystic Fibrosis Patients Admitted With Acute Pulmonary Exacerbation

Clinical Trial Summary

There is established evidence that adult patients with Cystic Fibrosis (CF) may have altered antibiotic pharmacokinetics compared with non-CF patients. Ceftolozane/Tazobactam is a newly approved broad spectrum intravenous antibiotic, which has potent in vitro activity against multidrug resistant Pseudomonas aeruginosa, the most common pathogen implicated in CF pulmonary exacerbations. This study will determine the pharmacokinetics and tolerability of ceftolozane/tazobactam in 20 adult CF patients admitted for a pulmonary exacerbation at one of 4 participating hospitals in the US. Patients will remain on standard of care IV antibiotics and receive 4-6 doses of ceftolozane/tazobactam 3 grams every 8 hours. Blood will be sampled after the final dose to determine concentrations and pharmacokinetics of ceftolozane and tazobactam. Safety and tolerability will be assessed throughout the 3 day study.

Clinical Trial Description

Participants will receive 4-6 doses of ceftolozane/tazobactam 3 grams every 8 hours, in addition to standard intravenous antibiotic therapy selected by the site. Just prior and then after the final dose, a total of six blood samples will be collected to measure ceftolozane and tazobactam concentrations. Data will be fit to a population pharmacokinetic model. The final model will be utilized in a Monte Carlo simulation to determine the probability of several different dosing regimens retaining concentrations above the minimum inhibitory concentration (MIC) for at least 39% of the dosing interval. These data will be utilized to determine an optimized dosing regimen for adults with CF. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02421120
Study type Interventional
Source Hartford Hospital
Contact
Status Completed
Phase Phase 4
Start date September 2015
Completion date October 2016
View Details
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