Massive study aims to decode mysteries of long ICU stays
NCT ID NCT07510776
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at 7000 adult patients who stayed in the intensive care unit (ICU) for more than 5 days. The goal is to find different patterns among those who remain critically ill for a long time (over 10-14 days). By analyzing medical data, researchers hope to understand why some patients recover slowly and how to personalize their care for better outcomes.
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.
- Participants
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About 7,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2025
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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A research network
The lead sponsor is a research network or cooperative group.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
This study will include adult patients (≥18 years old) who are consecutively admitted to participating intensive care units (ICUs) and remain in the ICU for 5 or more days. The focus will be on patients who survive the early phase of critical illness, allowing the formation of a relatively homogeneous cohort of early ICU survivors. The population will comprise patients with a wide range of critical illnesses, including sepsis, respiratory failure, cardiovascular instability, and multi-organ dysfunction, who require ongoing organ support such as invasive mechanical ventilation or vasopressors. Patients with prolonged ICU stays exceeding 10 days who continue to require organ support will be further characterized as having Persistent Critical Illness.
- 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: * Adult patients aged 18 years or older; * ICU length of stay equal to or greater than 5 days. Exclusion Criteria: * Patients with an ICU stay \< 5 days; * Patients discharged from the ICU early due to lack of ward availability, rather than clinical recovery; * Patients who do not survive the early phase of critical illness (i.e., early ICU deaths).
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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
7 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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Centro Hospitalar de São João / ULS São João
RECRUITINGLisbon, Lisbon District, Portugal
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Hospital Garcia de Orta / ULS Almada-Seixal
RECRUITINGLisbon, Lisbon District, Portugal
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Hospital Prof. Doutor Fernando Fonseca / ULS Amadora -Sintra
RECRUITINGLisbon, Lisbon District, Portugal
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Hospital Santa Maria / ULS Santa Maria
RECRUITINGLisbon, Lisbon District, Portugal
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Hospital São Francisco Xavier / Centro Hospitalar de Lisboa Ocidental
RECRUITINGLisbon, Lisbon District, Portugal
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Hospital de VIla Nova de Gaia-Espinho / ULS Gaia e Espinho
NOT_YET_RECRUITINGVila Nova de Gaia, Porto District, Portugal
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Hospital de Vila Franca de Xira / ULS Estuário do Tejo
RECRUITINGLisbon, Lisbon District, Portugal
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Other studies related to the condition(s) this trial covers.
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