Could a cocktail of antibiotics beat a tough blood infection?
NCT ID NCT06833593
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether using a combination of antibiotics is more effective than a single drug for treating Enterococcus faecalis bloodstream infections. Researchers will also analyze the gut bacteria of 510 adult patients to see how it affects treatment success. The goal is to find the best way to control this serious infection and improve recovery.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 510 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2021
- Expected to finish
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Sep 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
All adult patients (≥ 18 years) with primary Enterococcus faecalis monomicrobial bloodstream infection
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adult (≥18 years) * Monomicrobial EF-BSI * Receipt of ≥ 5 days of at least one in vitro active drug (ampicillin, amoxicillin/clavulanate, ampicillin/sulbactam, piperacillin, vancomycin, teicoplanin, daptomycin and linezolid) with or without a synergistic drug (ceftriaxone, gentamycin, streptomycin), at common suggested dosages for EF-BSI in empirical or definitive therapy * Written informed consent Exclusion Criteria: * Short term (within 3 days from BSI) mortality * Other concomitant infection
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
4 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Azienda Ospedaliero Universitaria di Catanzaro "Mater Domini"
RECRUITINGCatanzaro, Catanzaro, 88100, Italy
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Humanitas Research Hospital
RECRUITINGMilan, Milano, 20089, Italy
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IRCCS Azienda Ospedaliero-Universitaria di Bologna
RECRUITINGBologna, Bologna, 40138, Italy
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Ospedale Maggiore "Carlo Alberto Pizzardi" di Bologna
RECRUITINGBologna, Bologna, 40133, Italy
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