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Can a simple blood test predict surgery risks?

NCT ID NCT07798544

Knowledge-focused Sponsor: University of Ioannina Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
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 This study
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 Results may not be published yet.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

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Sep 01, 2026 · Last updated Sep 02, 2026 · Updated 1 time

Summary

This study asks whether having anemia before major gastrointestinal surgery leads to more complications afterward. Researchers will follow 146 adults in Greece who undergo open or laparoscopic GI surgery, tracking any complications until discharge or day 8 after surgery. They will also see if the link holds after accounting for other health issues and surgical urgency. The goal is to understand if a routine blood test could help identify higher-risk patients before they go into the operating room.

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 low blood counts before surgery are linked to more complications, doctors could screen and treat anemia earlier to improve recovery.
What could go wrong
This is an observational study, so it can show a link but not prove cause. Results may not apply to all patients or hospitals.

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

146 people

The number who actually took part.

Started

Feb 2025

Finished

Aug 2025

Lead sponsor

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

Consecutive adult patients undergoing major abdominal gastrointestinal surgery at the University Hospital of Ioannina, Greece, during the predefined study period. Both elective and urgent procedures and open or laparoscopic approaches were included.

Ages

19 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: * Age \>18 years * Ability to provide written informed consent * Undergoing major abdominal gastrointestinal surgery during the study period * Elective or urgent surgery * Open or laparoscopic surgical approach Exclusion Criteria: * Emergency surgery * Organ transplantation

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Conditions

The condition(s) this trial relates to.

anemia Postoperative Complications

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Anemia Postoperative complications

Contacts and locations

Locations

  • University Hospital of Ioannina

    Ioannina, Epirus, 45500, Greece

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