New combo therapy aims to beat staph blood infections
NCT ID NCT06958835
First seen Jun 27, 2026 · Last updated Jul 14, 2026 · Updated 2 times
Summary
This study tests whether adding the antibiotic linezolid to standard treatment improves outcomes for people with Staphylococcus aureus bloodstream infections. About 606 hospitalized adults will receive either linezolid or a placebo for five days. The goal is to see if the combination reduces complications, helps patients return to normal function, and improves survival.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- linezolid
- What this could lead to
- If it works, this could lead to a better treatment strategy for serious staph bloodstream infections, reducing complications and improving survival.
- What could go wrong
- This is a mid-stage trial, so results may not confirm benefit. Adding linezolid also carries risks like side effects or drug interactions.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 606 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2025
- Expected to finish
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Oct 2028
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.
- 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: * Staphylococcus aureus (S. aureus) grown from at least one blood culture * Hospitalised at a participating centre * ≥18 years old * Written informed consent or fulfilling criteria for an emergency exception from informed consent requirements Exclusion criteria: * Administration of the initial drug treatment not feasible within 72 hours since the collection of the first positive blood culture with S. aureus * Documented history of positive blood cultures for S. aureus occurring between 72 hours and 180 days prior to the eligibility assessment * Necrotising fasciitis * Currently receiving linezolid or clindamycin * Use of any monoamine oxidase A or B inhibitor within the last two weeks * Known hypersensitivity to linezolid or any other ingredients of the study drugs * Current severe thrombocytopenia (i.e. \<30 x 10\^9/L) * Application of study drug not possible (per mouth or per gastric tube) * Currently breastfeeding * Local treating team believes that death is imminent and inevitable * Patient is receiving end of life care and antibiotic treatment is not considered appropriate * Local treating team believes that participation in the study is not in the best interest of the patient * Any indication that the patient is unwilling to participate in the study including an advance directive stating such unwillingness
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Get notified about this study
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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
12 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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Centre hospitalier universitaire vaudois (CHUV)
RECRUITINGLausanne, Canton of Vaud, Switzerland
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Ente Ospedaliero Cantonale (EOC)
RECRUITINGLugano, Canton Ticino, Switzerland
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HOCH Health Ostschweiz, Kantonsspital St.Gallen
RECRUITINGSankt Gallen, Canton of St. Gallen, Switzerland
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Hôpital du Jura
RECRUITINGDelémont, Canton of Jura, Switzerland
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Hôpitaux universitaires de Genève (HUG)
RECRUITINGGeneva, Canton of Geneva, Switzerland
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Inselspital Bern
RECRUITINGBern, Canton of Bern, Switzerland
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Kantonsspital Aarau (KSA)
RECRUITINGAarau, Canton of Aargau, Switzerland
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Kantonsspital Winterthur (KSW)
RECRUITINGWinterthur, Canton of Zurich, Switzerland
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St. Claraspital
RECRUITINGBasel, Canton of Basel-City, Switzerland
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Stadtspital Zürich Triemli
RECRUITINGZurich, Canton of Zurich, Switzerland
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University Hospital Basel (USB)
RECRUITINGBasel, 4031, Switzerland
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Universitätsspital Zürich (USZ)
RECRUITINGZurich, Canton of Zurich, Switzerland
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