Nasal swab could curb unnecessary antibiotics in pneumonia
NCT ID NCT03586362
First seen Aug 19, 2026 · Last updated Aug 20, 2026 · Updated 1 time
Summary
This trial tests whether a negative MRSA nasal swab can safely guide doctors to stop vancomycin earlier in adults hospitalized with pneumonia. Participants receive standard antibiotics, but vancomycin is either continued or stopped based on the swab result. The goal is to see if stopping vancomycin leads to similar clinical improvement while reducing side effects like kidney injury.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- vancomycin de-escalation guided by MRSA nasal swab
- What this could lead to
- If successful, this approach could reduce unnecessary antibiotic use, lower the risk of kidney injury, and shorten hospital stays for pneumonia patients.
- What could go wrong
- The trial is non-inferiority, meaning it checks if stopping vancomycin is not worse than continuing it. Results may vary, and there's a small risk of missing a true MRSA infection despite a negative swab.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
-
278 people
The number who actually took part.
- Started
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Feb 2018
- Finished
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Sep 2023
- 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 patients admitted to Charleston Area Medical Center through the Emergency Department with a diagnosis of pneumonia will be evaluated for potential enrollment.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
-
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 old * Patients admitted to Charleston Area Medical Center (CAMC) through the Emergency Department who meet the CDC criteria for pneumonia. * Nasal surveillance culture for MRSA obtained in the Emergency Department * Patients receiving vancomycin and additional antibiotic therapy for gram-negative coverage Exclusion Criteria: * Persistent vasopressor requirements when MRSA nasal swab results are available * Patients not meeting the CDC criteria for pneumonia * Patients presenting to the ED with leukopenia (≤4000) without previous documentation of normal or elevated WBC * Patients receiving empiric MRSA antibiotic therapy other than vancomycin for pneumonia * Patients with the diagnosis of lung abscess * Patients not receiving vancomycin therapy before MRSA nasal swab results are reported * Immunocompromised individuals. i.e. patients with AIDS/HIV, vasculitis on immune suppressor therapy, steroid therapy for more than one week prior admission or who received chemotherapy in the last 3 months * Patients who do not have a MRSA nasal swab obtained in the ED * Nares swab obtained after the completion of the first administered dose of an antibiotic with activity against MRSA * Patients with MRSA bacteremia * Patients with chronic tracheostomy
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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.
Contacts and locations
Locations
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Charleston Area Medical Center
Charleston, West Virginia, 25304, United States
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