Belly size may predict ICU survival better than BMI
NCT ID NCT07631429
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether a measurement called Body Roundness Index (BRI), which uses waist size and height, can predict death in adult intensive care unit (ICU) patients. Researchers will measure BRI in 550 adults when they enter the ICU and track their outcomes, including death, time on a breathing machine, and length of stay. The goal is to see if BRI is a better predictor than the commonly used Body Mass Index (BMI).
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 550 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2027
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
Adult patients admitted to the intensive care units of participating tertiary care centers in Turkey. Enrollment will be conducted prospectively across multiple centers following ethics committee approval at each site.
- 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.
Inclusion Criteria: * Age ≥18 years * ICU admission with expected stay ≥24 hours * Waist circumference and height measurable within 24 hours of admission Exclusion Criteria: * Age \<18 years * ICU stay \<24 hours * Missing or unmeasurable anthropometric data (e.g., severe edema, abdominal wound, morbid obesity precluding measurement) * Pregnancy * Readmission (only first ICU admission included)
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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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Ondokuz Mayis University, School of Medicine
Samsun, Atakum, 55002, Turkey (Türkiye)
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