Shorter antibiotic course may be just as effective for blood infection
NCT ID NCT05210439
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether 7 days of antibiotics works as well as the standard 14 days for treating a serious bloodstream infection caused by Pseudomonas bacteria. About 300 adults who have already received 6 days of treatment will be randomly assigned to stop at 7 days or continue for 14 days. The goal is to see if shorter treatment leads to fewer side effects and less antibiotic use without increasing the risk of death or recurrence.
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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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306 people
The number who actually took part.
- Started
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Apr 2022
- Expected to finish
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Jun 2026
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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Main inclusion criteria: * Adult patients with diagnosis of BSI-PA who have received 6 days (+/- 1) of active antibiotic treatment from the date of extraction of the first positive blood culture and until the moment of randomization. * Informed consent signed. Main exclusion criteria: * Bacteremia source not adequately controlled at least 72h before randomization. * Bacteremia secondary to an infection that necessarily requires prolonged antibiotic treatment more than 7 days * Coexistence of a different infection at the time of diagnosis of bacteremia that also requires antibiotic treatment. * Bacteremic pneumonia in severely immunosuppressed patients * Bacteremia of any origin in patients with severe neutropenia (\<500 cells / mm3) at the time of randomization.
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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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Clínica Universidad de Navarra
Pamplona, Navarre, 31008, Spain
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Complejo Hospitalario Ciudad de Jaén
Jaén, 23007, Spain
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Complejo Hospitalario Torrecárdenas
Almería, 04009, Spain
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Complexo Hospitalario Universitario de Vigo
Vigo, Pontevedra, 36213, Spain
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Hospital Clínico Universitario de Valladolid
Valladolid, 47003, Spain
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Hospital Costa del Sol
Marbella, Málaga, 29603, Spain
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Hospital General Universitario Dr. Balmis
Alicante, 03010, Spain
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Hospital General Universitario de Valencia
Valencia, 46014, Spain
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Hospital San Pedro
Logroño, La Rioja, 26006, Spain
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Hospital Universitario Central de Asturias
Oviedo, Principality of Asturias, 33011, Spain
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Hospital Universitario Clínico San Cecilio
Granada, 18016, Spain
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Hospital Universitario Fundación Jiménez Díaz
Madrid, 28040, Spain
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Hospital Universitario Juan Ramón Jiménez
Huelva, 21005, Spain
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Hospital Universitario La Fe
Valencia, 46026, Spain
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Hospital Universitario La Paz
Madrid, 28046, Spain
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Hospital Universitario Lozano Blesa
Zaragoza, 50009, Spain
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Hospital Universitario Lucus Augusti
Lugo, 27003, Spain
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Hospital Universitario Marqués de Valdecilla
Santander, 39008, Spain
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Hospital Universitario Parc Taulí
Sabadell, Barcelona, 08208, Spain
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Hospital Universitario Puerta del Mar
Cadiz, 11009, Spain
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Hospital Universitario Ramón y Cajal
Madrid, 28034, Spain
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Hospital Universitario Regional de Málaga
Málaga, 29010, Spain
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Hospital Universitario Reina Sofía
Córdoba, 14004, Spain
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Hospital Universitario Son Espases
Palma de Mallorca, Balearic Islands, 07120, Spain
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Hospital Universitario Vall d'Hebron
Barcelona, 08035, Spain
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Hospital Universitario Virgen Macarena
Seville, 41009, Spain
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Hospital Universitario Virgen de Valme
Seville, 41014, Spain
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Hospital Universitario Virgen de las Nieves
Granada, 18014, Spain
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Hospital Universitario Virgen del Rocío
Seville, 41013, Spain
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Hospital Universitario de A Coruña
A Coruña, 15006, Spain
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Hospital Universitario de Bellvitge
L'Hospitalet de Llobregat, Barcelona, 08907, Spain
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Hospital Universitario de Burgos
Burgos, 09006, Spain
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Hospital Universitario de Cruces
Barakaldo, Bizkaia, 48903, Spain
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Hospital Universitario de Donostia
Donostia / San Sebastian, Gipuzkoa, 20014, Spain
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Hospital Universitario de Jerez de la Frontera
Jerez de la Frontera, Cádiz, 11407, Spain
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Hospital Universitario de Puerto Real
Puerto Real, Cádiz, 11510, Spain
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Hospital de la Santa Creu i Sant Pau
Barcelona, 08041, Spain
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a computer model speed up sepsis blood tests?
- Can kids with blood infections skip the IV earlier?
- AI could outsmart bacteria: a smarter way to choose antibiotics?
- Could one blood draw be enough to catch dangerous infections?
- A 5-hour test may replace days of waiting for the right antibiotic in blood infections
- Which works better: one antibiotic or two for this superbug?