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Eye test could spot kids at risk for opioid breathing trouble

NCT ID NCT07573150

Knowledge-focused Sponsor: NeurOptics Inc Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether a device that measures pupil reactions can help identify children at risk for opioid-induced respiratory depression after tonsillectomy. About 300 children will have their pupils measured before, during, and after surgery. The goal is to see if pupil patterns relate to breathing problems, which could lead to better monitoring in the future.

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 successful, this could lead to a simple, non-invasive way to predict which children are at risk for dangerous breathing problems after surgery and opioids.
What could go wrong
This is an early observational study, not a treatment trial. The pupil measurements are not used to guide care, so it may not prove that using them actually prevents harm.

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

About 300 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2026

Expected to finish

Apr 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

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 will consist of pediatric patients aged 3 to less than 18 years undergoing tonsillectomy with or without adenoidectomy at participating clinical sites. Participants will be enrolled from routine clinical care settings and will receive standard perioperative management. The study will include patients across a range of clinical characteristics representative of the typical pediatric tonsillectomy population.

Ages

3 to 17 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 3 to less than 18 years * Scheduled to undergo tonsillectomy with or without adenoidectomy * Planned postoperative recovery in a monitored clinical setting (e.g., post-anesthesia care unit) * Ability to obtain informed consent from parent or legal guardian and assent from the participant when developmentally appropriate Exclusion Criteria: * Known neurologic or ophthalmologic conditions that may affect pupillary function * Use of medications known to significantly alter pupillary response outside of standard perioperative care * Inability to obtain adequate pupillometry measurements (e.g., due to eye injury or inability to safely perform measurement) * Patients not receiving opioids as part of perioperative care * Any condition that, in the opinion of the investigator, would interfere with study participation or data interpretation

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Conditions

The condition(s) this trial relates to.

acute opioid poisoning agnosia Hypoventilation Postoperative Complications respiratory failure

As listed by the trial registrant

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

Opioid induced respiratory depression Postoperative complications (cardiopulmonary) Respiratory complications due to anesthesia

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • UCSF Benioff Children's Hospital

    NOT_YET_RECRUITING

    San Francisco, California, 94158, United States

  • UPMC Children's Hospital of Pittsburgh

    RECRUITING

    Pittsburgh, Pennsylvania, 15213, United States

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