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Can your eyes reveal pain? new device aims to end opioid guesswork

NCT ID NCT03605966

Knowledge-focused Sponsor: Julia Finkel 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a device that uses changes in pupil size to measure pain and how well opioid painkillers are working. The goal is to replace subjective pain scores with an objective measurement, helping doctors prescribe opioids more safely. The study includes 40 children and young adults aged 7 to 21 who are already receiving opioids for pain. Researchers will compare pupil reflex data before and after opioid doses to see if the device can accurately detect pain type and drug effectiveness.

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 40 people

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

Started

Jul 2018

Expected to finish

Dec 2026

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

Participants who are receiving opioid as part of their standard care will be recruited from the Inpatient Pain at Children's National Medical Center (CNMC).

Ages

7 to 21 years

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: 1. The subject is 7 to 21 years of age 2. The subject is receiving an opioid via bolus or a patient controlled analgesia (PCA) apparatus as part of treatment or fentanyl infusion in the pediatric intensive care unit (PICU) (generally postoperative patients). 3. The subject is willing and able to provide written informed assent/parental consent to study participation Exclusion Criteria: 1. Eye pathology precluding pupillometry 2. For patients in the PICU, patients who are hemodynamically unstable

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Conditions

The condition(s) this trial relates to.

agnosia Pain

As listed by the trial registrant

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

Analgesics, antipyretics and anti-inflammatory drugs causing adverse effects in therapeutic use

Contacts and locations

Locations

  • Children's National Health System

    Washington D.C., District of Columbia, 20010, United States