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Blood test clues could flag Weight-Surgery risks

NCT ID NCT07747168

Knowledge-focused Sponsor: G.Gennimatas General Hospital 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 This study
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 Results may not be published yet.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

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This status has not been confirmed recently, so it may be out of date.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 Aug 05, 2026 · Last updated Aug 07, 2026 · Updated 2 times

Summary

This study looks at whether routine blood tests taken before weight-loss (bariatric) surgery can help predict who might face complications within 30 days after the operation. Researchers will review medical records of 600 adults who had bariatric surgery, checking levels of certain nutritional and inflammatory markers in their blood. The goal is to find a simple, reliable way to identify higher-risk patients and improve their care before and after surgery.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Bariatric surgery (sleeve gastrectomy, gastric bypass)
What this could lead to
If successful, this could lead to better ways to identify patients at higher risk of complications before bariatric surgery, improving safety and recovery.
What could go wrong
This is a retrospective study, so it can only show associations, not cause and effect. The findings 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

600 people

The number who actually took part.

Started

Jan 2023

Expected to finish

Dec 2027

An estimate. End dates often move.

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

Adult patients who underwent bariatric surgery at a single tertiary referral center between 2023 and 2026 and met the study eligibility criteria.

Ages

18 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: Adults aged 18 years or older. * Patients who underwent bariatric surgery (sleeve gastrectomy, Roux-en-Y gastric bypass, SADI, or SASI). * Availability of complete preoperative laboratory data required for calculation of nutritional and inflammatory indices. * Availability of postoperative follow-up data for assessment of 30-day complications. Exclusion Criteria: * Patients younger than 18 years. * Missing key preoperative laboratory values required to calculate study indices. * Incomplete medical records or unavailable 30-day postoperative outcome data.

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Conditions

The condition(s) this trial relates to.

morbid obesity Obesity obesity disorder

As listed by the trial registrant

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

Morbid obesity Obesity (bmi > 35)

Contacts and locations

Locations

  • General Hospital of Athens G Gennimatas

    Athens, 11526, Greece

More trials for these conditions

Other studies related to the condition(s) this trial covers.