Evaluating new tests for bloodstream infections

Duration of Bloodstream Infection as Measured by Conventional Cultures Compared With Novel Culture Independent Systems and Persistence of Biomarkers Associated With Severe Infection

Observational The University of Queensland · NCT04821661

This study is testing new blood tests to see if they can help doctors understand how long bacterial infections last and when it's safe to change treatments for patients with bloodstream infections.

Quick facts

Study typeObservational
Enrollment100 (estimated)
Ages18 Years and up
SexAll
SponsorThe University of Queensland Academic / other
Locations3 sites (Brisbane, Queensland and 2 other locations)
Trial IDNCT04821661 on ClinicalTrials.gov

What this trial studies

This observational study investigates the duration of bloodstream infections caused by bacteria and how it correlates with clinical outcomes. It utilizes two novel diagnostic technologies: the T2 magnetic resonance assay, which detects bacteria more sensitively than traditional methods, and the SeptiCyte RAPID test, which assesses the body's inflammatory response. By comparing these new methods with standard blood culture techniques, the study aims to provide insights into the persistence of infections and inform treatment decisions. The findings could help determine when to switch from intravenous antibiotics to oral medications and potentially allow for earlier hospital discharges.

Who should consider this trial

Good fit: Ideal candidates include patients with confirmed bloodstream infections caused by specific pathogens detectable by the T2 assay.

Not a fit: Patients receiving palliative care or those unable to provide informed consent will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved management of bloodstream infections, allowing for timely treatment adjustments and better patient outcomes.

How similar studies have performed: Other studies have shown promise with similar diagnostic approaches, indicating potential for success in this novel application.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients who have proven bloodstream infection with any T2-on panel pathogen (Enterococcus faecium, S. aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, Escherichia coli and Candida spp.)

Exclusion Criteria:

* Palliative care approach
* Failure to give written informed consent (by patient or their legal representative)
* Polymicrobial index blood culture

Where this trial is running

Brisbane, Queensland and 2 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 BacteremiaBacteraemiaGram-negative BacteremiaBacterial InfectionsT2 magnetic resonance assaySeptiCyte RAPID
Last reviewed 2026-06-09 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.