Flickering light and sound may shield young brains from Anesthesia's hidden risks

NCT ID NCT07719465

Not yet recruiting Disease control Sponsor: General Hospital of Ningxia Medical University Source: ClinicalTrials.gov ↗

First seen Jul 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time

Summary

General anesthesia in early childhood may raise the risk of ADHD-like behaviors and learning problems later on. This trial tests whether a non-invasive device delivering synchronized 40-Hz light and sound can help restore brain function after surgery. Researchers will monitor brain waves with portable EEG and track behavior over six months in children aged 3 to 6 undergoing anesthesia. The goal is to see if this stimulation can reverse anesthesia-related brain changes and improve long-term outcomes.

What this could mean

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

Active substance: 40-Hz non-invasive synchronized audiovisual stimulation delivered via a device
What this could lead to: If it works, this could lead to a simple, non-drug therapy to prevent ADHD-like behaviors in children after surgery under general anesthesia.
What could go wrong: This is an early-phase trial with only 80 children, so results may not be conclusive. The stimulation may not restore brain function or prevent ADHD symptoms as hoped.

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Conditions

The condition(s) this trial relates to.

attention deficit hyperactivity disorder, inattentive type attention deficit-hyperactivity disorder

As listed by the trial registrant

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

ADHD - ATTENTION DEFICIT DISORDER WITH HYPERACTIVITY

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