Pill power: oral antibiotics may match IVs for serious heart infection
NCT ID NCT05398679
First seen Jun 27, 2026 · Last updated Jul 08, 2026 · Updated 2 times
Summary
This study compares oral antibiotics to intravenous (IV) antibiotics for treating infective endocarditis, a serious heart infection. Researchers want to see if taking pills at home works as well as getting IV treatment in a clinic. The trial involves 360 adults with specific types of infections and measures unplanned hospitalizations, deaths, relapses, and need for heart surgery.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- antibiotics (oral and intravenous)
- What this could lead to
- If successful, this could allow many patients with infective endocarditis to switch from IV to oral antibiotics earlier, reducing hospital stays and improving quality of life.
- What could go wrong
- This is a non-inferiority trial, so it aims to show oral treatment is not worse than IV, not necessarily better. Results may not apply to all types of infections or patients, and there is a risk of relapse or complications.
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 360 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2022
- Expected to finish
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Dec 2027
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: * Left-sided native or prosthetic infective endocarditis based on the modified Duke criteria infected with one of the following nonresistant microorganisms: Non-resistant streptococci and other gram positive cocci,e.g., Granulicatella and Abiotrophia; Enterococcus faecalis; Staphylococcus aureus;coagulase-negative staphylococci and HACEK group. * Male or female 18 years old or older. * 10 days or more of appropriate parenteral antibiotic treatment overall and at least one week of appropriate parenteral treatment after value surgery. * Temperature inferior to 38ºC for more than two days. 5. C-reactive protein dropped to \<25% of peak value or \<20 mg/l, and white blood cell count \<15x10\^9/l during antibiotic treatment * Transthoracic / transesophageal echocardiography performed within 48 hours of randomization Exclusion Criteria: * Body mass index \>40 * Concomitant infection requiring intravenous antibiotic therapy * Inability to give informed consent to participation * Suspicion of reduced absorption of oral treatment due to abdominal disorder * Microorganisms with no oral combinations for treatment (two active antibiotics of different families) * Any immunosuppressive disease or any medical condition at the discretion of the investigator that may preclude oral or OPAT therapy * No family or appropriate home support * Reduced compliance * Women of childbearing potential with a positive pregnancy test, or participants (male or female) who wish to plan a pregnancy during the trial period * Women in lactancy period
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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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Hospital Bellvitge
RECRUITINGBarcelona, Barcelona, 08907, Spain
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Hospital Clinic i Provincial de Barcelona
RECRUITINGBarcelona, Barcelona, 08036, Spain
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Hospital General Universitario Gregorio Marañón
RECRUITINGMadrid, Madrid, 28007, Spain
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Hospital General de Alicante
RECRUITINGAlicante, Alicante, 03010, Spain
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Hospital Mútua de Terrassa
RECRUITINGTerrassa, Barcelona, 08221, Spain
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Hospital Ramón y Cajal
RECRUITINGMadrid, Madrid, 28034, Spain
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Hospital San Pedro
RECRUITINGLogroño, La Rioja, 26006, Spain
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Hospital Sant Pau
RECRUITINGBarcelona, Barcelona, 08041, Spain
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Hospital Son Espases
RECRUITINGPalma de Mallorca, Balearic Islands, 07120, Spain
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Hospital Universitari i Politècnic La Fe
NOT_YET_RECRUITINGValencia, València, 46009, Spain
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Hospital Universitario La Paz
RECRUITINGMadrid, Madrid, 28046, Spain
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Hospital Universitario Marqués de Valdecilla
RECRUITINGSantander, Cantabria, 39008, Spain
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Hospital Universitario de Cruces
RECRUITINGBarakaldo, Bizcaia, 48903, Spain
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Hospital Universitario de Donostia
RECRUITINGDonostia / San Sebastian, Guipuzcoa, 20014, Spain
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Hospital Virgen de Arrixaca
RECRUITINGEl Palmar, Murcia, 30120, Spain
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Hospital Virgen de la Macarena
RECRUITINGSeville, Andalusia, 41009, Spain
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Hospital Virgen del Rocío
RECRUITINGSeville, Andalusia, 41013, Spain
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Hospital del Mar
RECRUITINGBarcelona, Barcelona, 08003, Spain
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Hospital universitario de Canarias
RECRUITINGSan Cristóbal de La Laguna, Santa Cruz de Tenerife, 38320, Spain
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Parc Taulí Hospital Universitari
RECRUITINGSabadell, Barcelona, 08208, Spain
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- One or two infusions could replace weeks of antibiotics for heart infection
- 22,000 patients studied to unlock secrets of deadly heart infection
- New study aims to uncover why some heart infections turn deadly
- Chest ultrasound may replace throat probe for heart infection diagnosis
- Heart infection registry aims to uncover clues for better care