Comparing Daptomycin and Vancomycin for MRSA Bloodstream Infections
Official title: DAPTO-SNAP: Daptomycin vs. Vancomycin for the Treatment of Methicillin Resistant S. Aureus Bacteremia
Run by McGill University Health Centre/Research Institute of the McGill University Health Centre · NCT06637332 · Data updated 2026-11-12
This study is testing whether daptomycin or vancomycin works better for treating bloodstream infections caused by MRSA in patients.
Quick facts
| Phase | Phase 4 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 300 (estimated) |
| Sponsor | McGill University Health Centre/Research Institute of the McGill University Health Centre Academic / other |
| Locations | 20 sites (Blacktown, New South Wales and 19 other locations) |
| Status | Recruiting |
| Started | November 14, 2024 |
| Main results expected | January 2029 |
| Study ends | November 2029 |
| Registry record updated | September 9, 2026 |
| Trial ID | NCT06637332 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are patients diagnosed with methicillin-resistant S. aureus bacteremia.
✕Probably not a fit
Patients with severe allergies to vancomycin or daptomycin, or those with suspected MRSA pneumonia, may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This clinical trial is an open-label randomized controlled trial that aims to compare the effectiveness of two commonly used antibiotics, daptomycin and vancomycin, in treating patients with methicillin-resistant Staphylococcus aureus (MRSA) bloodstream infections. Participants will be randomly assigned to receive either daptomycin or vancomycin, and their outcomes will be monitored to determine which treatment is more effective. The study is part of a larger adaptive platform trial focused on improving treatment for Staphylococcus aureus infections.
Why it matters
Potential benefit: If successful, this study could provide clearer guidance on the most effective treatment for MRSA bloodstream infections, potentially improving patient outcomes.
How similar studies have gone: Other studies have explored the effectiveness of daptomycin and vancomycin, but this specific comparison in the context of MRSA bacteremia is part of a novel adaptive platform approach.
Who can join: the full rules
Show full inclusion / exclusion criteria
The participant must meet all inclusion and exclusion criteria for the SNAP Platform (NCT05137119) and also the following inclusion and exclusion criteria: Inclusion Criteria: * Methicillin-resistant S. aureus bacteremia Exclusion Criteria: * Severe allergy or non-severe rash to vancomycin or daptomycin * Suspected or confirmed MRSA pneumonia * Known vancomycin minimum inhibitory concentration (MIC) greater than or equal to 2mg/L or daptomycin MIC greater than or equal to 1mg/L
Where it's running
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Blacktown Hospital
Blacktown, New South Wales, Australia Recruiting -
Concord Repatriation and General Hospital
Concord, New South Wales, Australia Recruiting -
John Hunter Hospital
Newcastle, New South Wales, Australia Recruiting -
Westmead Hospital
Westmead, New South Wales, Australia Recruiting -
Royal Brisbane and Women's Hospital
Herston, Queensland, Australia Recruiting -
Flinders Medical Centre
Bedford Park, South Australia, Australia Recruiting
Show 14 more locations
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Monash Health - Casey Hospital
Berwick, Victoria, Australia Recruiting -
Box Hill Hospital
Box Hill, Victoria, Australia Recruiting -
Monash Medical Campus (Monash Medical Centre + Jesse McPherson Private Hospital)
Clayton, Victoria, Australia Recruiting -
Royal Melbourne Hospital
Parkville, Victoria, Australia Recruiting -
Fiona Stanley Hospital
Murdoch, Western Australia, Australia Recruiting -
Royal Perth Hospital
Perth, Western Australia, Australia Recruiting -
University of Alberta Hospital
Edmonton, Alberta, Canada Recruiting -
Fraser Health Authority (Surrey Memorial Hospital)
Surrey, British Columbia, Canada Recruiting -
Newfoundland Health Services (Health Sciences Centre and St. Clare's Mercy Hospital)
St. John's, Newfoundland and Labrador, Canada Recruiting -
Hamilton Health Sciences (Hamilton General Hospital and Juravinski Hospital)
Hamilton, Ontario, Canada Recruiting -
Sunnybrook Health Sciences Centre
Toronto, Ontario, Canada Recruiting -
Jewish General Hospital
Montreal, Quebec, Canada Recruiting -
McGill University Health Centre (Royal Victoria Hospital and Montreal General Hospital)
Montreal, Quebec, Canada Recruiting -
Middlemore Hospital
Otahuhu, Auckland, New Zealand Recruiting
Study contacts
- Principal investigator: Todd C Lee, MD MPH FIDSA — McGill University Health Centre/Research Institute of the McGill University Health Centre
- Study coordinator: Lina Petrella
- Email: lina.petrella@muhc.mcgill.ca
- Phone: 514-934-1934
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Switching to dabigatran versus staying on apixaban/edoxaban/rivaroxaban for S. aureus bloodstream infection
This trial will try whether switching people with S. aureus bloodstream infection who are already taking apixaban, edoxaban, or rivaroxaban to dabigatran leads to better outcomes.
-
Combining two antibiotics to treat Staphylococcus aureus bacteremia
This study is testing if using two antibiotics together can help adults with Staphylococcus aureus bacteremia get better faster than the usual treatment.
-
Clopidogrel versus aspirin to lower cardiovascular and infection complications in people with Staphylococcus aureus bloodstream infection
This will try switching people with Staphylococcus aureus bloodstream infection who are already taking aspirin for heart protection to clopidogrel to see if it improves infection outcomes.
-
Combination Antibiotics for Staphylococcus aureus Bacteremia in adults
This study tests whether using two antibiotics together for adults with Staphylococcus aureus in the blood works better than a single antibiotic.
-
Evaluating treatments for Staphylococcus aureus bloodstream infections
This study is testing different treatments for people with Staphylococcus aureus bloodstream infections to find out which ones work best to help them recover and live longer.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.