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Blood test may predict death risk in elderly ICU patients

NCT ID NCT07544719

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

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Status unknown
This status has not been confirmed recently, so it may be out of date.

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.

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

About 150 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

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

65 years and older

Sex

Anyone

Healthy volunteers

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

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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How to take part

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