Scientists study blood and lung fluid to unlock secrets of ICU illnesses
NCT ID NCT05591924
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is observing 1,000 critically ill ICU patients to learn how their bodies respond to life-threatening infections and injuries. Researchers will collect blood and lung fluid samples to identify biological factors that could lead to earlier diagnosis and new treatments for conditions like sepsis and ARDS. Participants must be adults admitted to the ICU within the last 48 hours.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this study could help doctors diagnose critical illnesses earlier and discover new treatments for conditions like sepsis and ARDS.
- What could go wrong
- This is an observational study, not a treatment trial. It collects data but does not test any therapy, so direct patient benefits are uncertain.
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 1,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2024
- Expected to finish
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Dec 2034
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.
Who is studied
Critically ill adults with early critical illness
- 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: * Age ≥18 years old * ≤48h since ICU admission * ICU admission within 72h of presentation to the emergency department (ER) * Clinical critical illness suspected on the basis of any one of the following: 1. Altered mental status (GCS\<15) 2. Cardiovascular collapse (presence of any: Heart rate \>90, systolic blood pressure \<90, presence of vasopressors, lactate \>2.0) 3. Respiratory collapse (presence of any: respiratory rate \>20, PaCO₂ \<32 mm Hg, supplemental oxygen, invasive or non-invasive ventilation) 4. Suspected severe infection (presence of any: temperature \>38°C or \<36°C, white blood cell (WBC) count \>12,000/mm³ or \<4,000/mm³, presence of 1 or more antibiotics at the time of ICU admission) Exclusion Criteria: * Age \<18 years old * \>72h since ICU admission * Admission to ICU in patients \>72h after the presentation to the ER * No evidence of critical illness (ICU admission due to bed-spacing)
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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
1 site. 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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Aleks Leligdowicz
RECRUITINGLondon, Ontario, N6A 3K7, Canada
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