Double trouble for staph: could two antibiotics beat one?
NCT ID NCT07376889
First seen Jun 27, 2026 · Last updated Aug 26, 2026 · Updated 2 times
Summary
This study looks at whether using a combination of antibiotics is more effective than a single antibiotic for treating serious staph infections in the blood. About 2,096 adults with either methicillin-sensitive or methicillin-resistant staph will be randomly assigned to one group or the other. The main goal is to see which approach leads to better overall outcomes, including fewer complications and deaths within 30 days.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- combination of antibiotics (beta-lactam plus vancomycin or daptomycin)
- What this could lead to
- If it works, this could show that using two antibiotics together is more effective than one for treating serious staph bloodstream infections, potentially reducing complications and deaths.
- What could go wrong
- This is a large phase 4 trial, but results may not apply to all patients. Combination therapy could increase side effects or antibiotic resistance without improving outcomes.
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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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 2,096 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2026
- Expected to finish
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Jan 2029
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: * Age ≥18 years * Alive and admitted to an Intermountain Health (IH) hospital acute care unit at enrollment * Initial positive blood culture with either methicillin-resistant Staphylococcus aureus (MRSA) or methicillin-susceptible Staphylococcus aureus (MSSA), collected: 1. on or during the index admission to an IH hospital, or 2. in an ambulatory setting (laboratory, clinic or emergency department) within 48 hours of the index admission, or 3. at a non-IH network hospital within 24 hours of subsequent transfer to an IH hospital Exclusion Criteria: * Patient requests that patient health data not be included in the analysis
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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
13 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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Good Samaritan Hospital
NOT_YET_RECRUITINGLafayette, Colorado, 80026, United States
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Holy Rosary Hospital
NOT_YET_RECRUITINGMiles City, Montana, 59301, United States
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Intermountain Medical Center
RECRUITINGMurray, Utah, 84107, United States
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LDS Hospital
NOT_YET_RECRUITINGSalt Lake City, Utah, 84143, United States
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Lutheran Medical Center
NOT_YET_RECRUITINGWheat Ridge, Colorado, 80401, United States
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McKay-Dee Hospital
NOT_YET_RECRUITINGOgden, Utah, 84403, United States
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Platte Valley Hospital
NOT_YET_RECRUITINGBrighton, Colorado, 80601, United States
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Saint Joseph Hospital
NOT_YET_RECRUITINGDenver, Colorado, 80218, United States
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St. George Regional Hospital
NOT_YET_RECRUITINGSt. George, Utah, 84790, United States
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St. James Hospital
NOT_YET_RECRUITINGButte, Montana, 59701, United States
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St. Mary's Regional Hospital
NOT_YET_RECRUITINGGrand Junction, Colorado, 81501, United States
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St. Vincent Regional Hospital
NOT_YET_RECRUITINGBillings, Montana, 59101, United States
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Utah Valley Hospital
NOT_YET_RECRUITINGProvo, Utah, 84604, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Experimental antibody targets deadly staph infections
- Which antibiotic wins against MRSA in the blood? new trial aims to find out
- New combo therapy aims to beat staph blood infections
- Home IV antibiotics for opioid users: a tiny pilot shows promise
- Phone call checklists boost care for blood infection patients
- New drug shows promise against staph blood infections