Clinical trial Recruiting at 20 sites Phase 4 Interventional Ages 18 and up

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

PhasePhase 4
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment300 (estimated)
SponsorMcGill University Health Centre/Research Institute of the McGill University Health Centre
Academic / other
Locations20 sites (Blacktown, New South Wales and 19 other locations)
StatusRecruiting
StartedNovember 14, 2024
Main results expectedJanuary 2029
Study endsNovember 2029
Registry record updatedSeptember 9, 2026
Trial IDNCT06637332 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

  • 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
  • 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.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.