Understanding how beta-lactam antibiotics work in patients with infective endocarditis

Betalactam Pharmacokinetics in Endocarditis Patients

Observational Uppsala University · NCT04647331

This study is trying to see how beta-lactam antibiotics work in patients with infective endocarditis and how different factors like age and weight might affect their effectiveness.

Quick facts

Study typeObservational
Enrollment150 (estimated)
Ages18 Years and up
SexAll
SponsorUppsala University Academic / other
Locations4 sites (Gothenburg and 3 other locations)
Trial IDNCT04647331 on ClinicalTrials.gov

What this trial studies

This study aims to investigate the pharmacokinetics of beta-lactam antibiotics in patients diagnosed with infective endocarditis. It will collect data on antibiotic concentrations, patient characteristics, and treatment outcomes to understand how factors like age, body weight, and renal function influence drug behavior in the body. A mathematical model will be developed to identify which patient factors affect drug pharmacokinetics, potentially leading to improved treatment strategies. The study will involve prospective inclusion of patients from multiple university hospitals in Sweden.

Who should consider this trial

Good fit: Ideal candidates for this study are adults diagnosed with probable or verified infective endocarditis who are receiving treatment with specific beta-lactam antibiotics.

Not a fit: Patients under 18 years of age or those undergoing hemodialysis are unlikely to benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more personalized and effective antibiotic treatments for patients with infective endocarditis.

How similar studies have performed: Previous research using similar methodologies has shown promise, indicating that this approach is grounded in established scientific inquiry.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Verified or suspected left or right sided endocarditis in native or prosthetic valve
* Intravenous antibiotic therapy with either ampicillin, penicillin G, cefotaxime or cloxacillin
* Signed informed consent to participate in study

Exclusion Criteria:

* \<18 years of age
* Ongoing dialysis

Where this trial is running

Gothenburg and 3 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Infective Endocarditis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.