Pharmacokinetics and Pleural Fluid Penetration of Amoxicillin and Clavulanic Acid in Patients With Pleural Infections (PK-plèvre)

C

Centre Hospitalier Universitaire, Amiens

Status

Completed

Conditions

Pharmacokinetic
Community-acquired Pneumonia
Amoxicillin
Pleural Infection
Empyema

Treatments

Procedure: chest tube drainage
Drug: Amoxicillin + clavulanic acid
Biological: antibiotic concentration in pleural fluid

Study type

Interventional

Funder types

Other

Identifiers

NCT04350502
PI2019_843_0002

Details and patient eligibility

About

The incidence of pleural infection is increasing worldwide since the last two decades. Antibiotics are one of the cornerstones of the treatment of this disease and must be associated to a correct evacuation of the pleural effusion. Data concerning the pleural diffusion of antibiotics currently used in community acquired pleural infection are scarce. The main objective of this study is to evaluate the pleural pharmacokinetic of amoxicillin and clavulanic acid in patients with a complicated pleural infection (patients who need a chest tube insertion).

Full description

Only scarce data are known on the pleural diffusion of antibiotics. Most of these data are concerning antibiotics that are not commonly used for the treatment of community-acquired pleural infections. Moreover, these data are obtained from studies using heterogenous methodologies (single or repeated evaluation of the antibiotic concentration in the pleural effusion, with or without correlation to the serum concentration; animal model or very specific population (i.e. uninfected patients or following lung surgery). The main objective of this study is to evaluate the pleural pharmacokinetic of amoxicillin and clavulanic acid in patients with a community-acquired complicated pleural infection. Patients with a complicated pleural infection will be managed according to the French guideline with a chest tube drainage associated to a treatment with amoxicillin (2g*3 by day) and clavulanic acid (200mg*3 by day). Repeated samples of pleural fluid and serum will be taken to evaluate antibiotics' concentrations at H0; H½; H1; H2; H3; H4; H8 and H24. The follow-up and management of the included patients will not be modified by the study protocol except for the pleural and serum samples. Clinical, biological and radiological (chest x-ray and/or thoracic ultrasound) evaluation will be performed daily. Success of the pleural drainage will be assessed at day 3.

Enrollment

11 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • all adult patients (≥ 18 years old) hospitalized for a complicated community acquired pleural infection at University Hospital Amiens-Picardie.
  • Complicated pleural infection is defined by the presence of one of the following criteria: frank pus, loculated pleural fluid, presence of organisms identified by Gram stain and/or culture from a non-purulent pleural fluid sample, pleural fluid pH <7.2, pleural fluid glucose <0.32g/l or large non-purulent effusion.

Exclusion criteria

  • non-infectious pleural effusion
  • hospital-acquired pleural infection
  • patient treated with amoxicillin and clavulanic acid (if treatment was started more than > 24h ago)
  • Minors, pregnant women, adult patients protected by law.
  • Pleural infection requiring instant thoracic surgery
  • allergy to beta-lactam
  • Injection of contrast agent (Iomeron or Iohexol) during the 24 hours preceding or following the first dose of amoxicillin / clavulanic acid.

Trial design

Primary purpose

Other

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

11 participants in 1 patient group

complicated pleural infection patients
Experimental group
Description:
Patients with a complicated pleural infection will be managed according to the French guideline with a chest tube drainage associated to a treatment with amoxicillin (2g*3 by day) and clavulanic acid (200mg*3 by day). Repeated samples of pleural fluid and serum will be taken to evaluate antibiotics' concentrations at H0; H½; H1; H2; H3; H4; H8 and H24
Treatment:
Biological: antibiotic concentration in pleural fluid
Drug: Amoxicillin + clavulanic acid
Procedure: chest tube drainage

Trial contacts and locations

1

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Central trial contact

Damien BASILLE, MD

Data sourced from clinicaltrials.gov

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