Blood test may predict death risk in elderly ICU patients
NCT ID NCT07544719
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether a simple blood test measurement, called the Systemic Immune-Inflammation Index (SII), can help predict the risk of death within 30 days for patients aged 65 and older who are in the intensive care unit after surgery. Researchers will calculate the SII from routine blood work and track patients' outcomes. The goal is to better understand which patients are at higher risk, not to test a new treatment.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 150 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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Jul 2026
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
65 years of age or older postoperative patients
- Ages
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65 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: * The patient must be 65 years of age or older (in the geriatric age group), * Admitted to the intensive care unit after elective or emergency surgery * Have access to complete blood count (hemogram) data (neutrophils, lymphocytes, platelets) during their stay in the intensive care unit * Be able to undergo 30-day mortality monitoring from the date of admission to the intensive care unit * Have provided informed consent from the patient or their legal representative. Exclusion Criteria: * Patients under 65 years of age * Patients admitted to the intensive care unit for non-surgical reasons (e.g., trauma, medical intensive care indications) * Patients with deficient neutrophil, lymphocyte, or platelet counts upon admission to the intensive care unit * Patients with a history of malignancy, hematological disease, or immunosuppressive therapy * Terminally ill palliative patients * Patients who refuse informed consent.
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As listed by the trial registrant
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How to take part
Only the study team decides who joins. These are the ways to reach them.
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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.
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