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Changes in antibiotic distribution due to pancreatitis
Kent J Fanning1, Thomas A Robertson, Johannes B Prins
1Therapeutics Research Centre, School of Medicine, University of Queensland, Princess Alexandra Hospital, Brisbane, Queensland 4102, Australia.
Antimicrobial Agents and Chemotherapy
|March 16, 2011
Summary
Pancreatitis alters how some antibiotics distribute within pancreatic cells. While meropenem and piperacillin distribution remained unchanged, ciprofloxacin and clindamycin showed reduced uptake and distribution in pancreatitis models.
Area of Science:
- Pharmacology
- Gastroenterology
- Infectious Diseases
Background:
- Pancreatitis is a complex inflammatory condition affecting the pancreas.
- Effective antibiotic penetration into pancreatic tissues is crucial for treating associated infections.
- Understanding antibiotic distribution in pancreatitis is vital for optimizing treatment strategies.
Purpose of the Study:
- To investigate the impact of pancreatitis on the distribution kinetics of key antibiotics within pancreatic tissue.
- To compare antibiotic distribution in a healthy pancreas versus a pancreas affected by pancreatitis.
Main Methods:
- Utilized a perfused rat pancreas model to simulate physiological conditions.
- Administered and quantified the distribution of four different antibiotics (meropenem, piperacillin, ciprofloxacin, clindamycin) in control and pancreatitis groups.
- Analyzed antibiotic concentrations within pancreatic cells and extracellular spaces.
Main Results:
- Meropenem and piperacillin demonstrated distribution into the extracellular space, with kinetics unaffected by induced pancreatitis.
- Ciprofloxacin exhibited reduced uptake into pancreatic cells in the pancreatitis model.
- Clindamycin showed significantly reduced distribution within pancreatic cells during pancreatitis.
Conclusions:
- Antibiotic distribution in the pancreas is differentially affected by pancreatitis.
- Meropenem and piperacillin appear to maintain reliable distribution patterns irrespective of pancreatitis.
- Ciprofloxacin and clindamycin penetration into pancreatic cells is compromised during pancreatitis, potentially impacting treatment efficacy.
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