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Ketones linked to Post-Anesthesia confusion in kids?

NCT ID NCT07249736

Knowledge-focused Sponsor: Hospital Clínico Universitario de Valladolid Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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
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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This status has not been confirmed recently, so it may be out of date.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 observational study is looking at 200 children aged 2 to 12 to see if higher ketone levels in the blood are linked to a higher risk of emergence delirium (confusion and agitation) after waking up from general anesthesia. Researchers will measure ketones and monitor recovery, but no new treatments are being tested. The goal is to better understand what factors might predict this common side effect in children.

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

200 people

The number who actually took part.

Started

Jun 2025

Expected to finish

May 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

The study population includes children aged 2 to 12 years undergoing elective procedures under general anesthesia at participating centers. Participants may be admitted as inpatients or treated in an Ambulatory Surgery Center (ASC). Children with neuropsychiatric disorders, carbohydrate metabolism disorders, those undergoing emergency surgery, or requiring postoperative admission to the Pediatric Intensive Care Unit (PICU) are excluded.

Ages

2 to 12 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 between 2 and 12 years * Elective procedure under general anesthesia * Inpatient or Ambulatory Surgery Center (ASC) setting Exclusion Criteria: * Age younger than 2 years or older than 12 years * Emergency surgery * Postoperative admission to the Pediatric Intensive Care Unit (PICU) * Neuropsychiatric disorder * Carbohydrate metabolism disorder * Declines to participate voluntarily in the study

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Conditions

The condition(s) this trial relates to.

Emergence Delirium Ketosis

As listed by the trial registrant

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

Emergence delirium in pediatric anesthesia Perioperative ketonemia and its association with recovery outcomes in children

Contacts and locations

Locations

  • Hospital Clínico Universitario de Valladolid

    Valladolid, Valladolid, 47010, Spain

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