Could a heart drug beat a deadly blood infection? new trial aims to find out
NCT ID NCT07384702
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether adding clopidogrel, a drug usually used to prevent blood clots, to standard antibiotics improves outcomes for adults with a serious Staphylococcus aureus bloodstream infection. About 230 hospitalized patients will be randomly assigned to receive clopidogrel or not, and researchers will track survival, recovery, and side effects. The goal is to see if this combination leads to better overall results than antibiotics alone.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 230 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2030
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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Accepted
You do not need to have the condition being studied to take part.
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: To be eligible, patients must meet the same criteria as those of the general SNAP platform, as well as the domain-specific criteria: * Microbiological isolation: Presence of Staphylococcus aureus complex in at least one blood culture. * Hospitalization status: The patient must be admitted to a participating hospital at the time of eligibility assessment. * Time window: Eligibility assessment must be completed within 72 hours after collection of the initial blood culture. Exclusion Criteria: General Medical and Safety Factors: * Allergies: Known hypersensitivity to thienopyridines (clopidogrel, prasugrel, ticlopidine). * Clinical status: Inability to tolerate or take oral medications, and severe hepatic impairment (Child-Pugh Class C). * Pregnancy: Pregnant or breastfeeding women. High Risk of Bleeding or Hematologic Disorders: * Active or recent bleeding: Significant bleeding or invasive procedures within the previous 7 days. * Planned surgeries: Requirement for major surgical intervention within 10 days following study enrollment. * Coagulation parameters: Platelet count \<50,000/mm³ or known coagulation disorders. * Concomitant medications: Patients already receiving regular aspirin therapy, other P2Y12 inhibitors, or therapeutic-dose anticoagulants (prophylactic-dose heparin is permitted). Specific Diagnoses and Clinical Criteria: * Endocarditis: Confirmed diagnosis or clinical suspicion of bacterial endocarditis. Sources indicate that exclusion of endocarditis is justified because the potential benefit of clopidogrel is expected during early phases of high bacterial burden, whereas bleeding risk increases with prolonged treatment or established deep-seated infections. * Medical judgment: If the treating clinical team determines that participation in this domain is not in the patient's best interest.
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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
20 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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H.U. Clinic
Barcelona, Spain
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H.U. Jerez de la Frontera
Jerez de la Frontera, Spain
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H.U. Mutua Terrassa
Barcelona, Spain
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H.U. Reina Sofía
Córdoba, Spain
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H.U. Virgen del Rocío
Seville, Spain
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Hospital General Universitario de Alicante
Alicante, Spain
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Hospital Universitario Bellvitge
Barcelona, Spain
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Hospital Universitario La Princesa
Madrid, Spain
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Hospital Universitario La paz
Madrid, Spain
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Hospital Universitario Lozano Blesa
Zaragoza, Spain
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Hospital Universitario Marqués de Valdecilla
Valdecilla, Spain
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Hospital Universitario Ramon y Cajal
Madrid, Spain
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Hospital Universitario San Cecilio
Granada, Spain
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Hospital Universitario Son Espases
Palma de Mallorca, Spain
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Hospital Universitario Vall d'Hebron
Barcelona, Spain
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Hospital Universitario Virgen de Valme
Seville, Spain
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Hospital Universitario de la Santa Creu i Sant Pau
Barcelona, Spain
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Hospital Universitario Álvaro Cunqueiro
Vigo, Spain
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Hospital Virgen Macarena
Seville, 41008, Spain
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Hospital del Mar
Barcelona, Spain
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