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Can your phone spot a white pupil? app aims to catch childhood eye cancer early

NCT ID NCT04344652

Diagnosis Sponsor: Phoenix Children's 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study planned to test a smartphone app called GoCheckKids as a screening tool for leukocoria (a white pupil reflex) in children from birth to 10 years old. Leukocoria can be an early sign of retinoblastoma, the most common eye cancer in children. The goal was to see if the app could reliably detect this sign, but the trial was withdrawn before any participants were enrolled.

What this could mean

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

Active substance
GoCheckKids smartphone app
What this could lead to
If successful, this app could provide a simple, widely available screening tool to catch retinoblastoma earlier in children.
What could go wrong
The trial was withdrawn before enrolling any participants, so no data exists. The app's real-world accuracy and reliability remain unproven.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Expected to start

Jun 2022

An estimate. Start dates often move.

Expected to finish

Jun 2022

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.

Ages

0 to 10 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 birth to 10 years * Informed consent given by parent or legal guardian Exclusion Criteria: * None

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Conditions

The condition(s) this trial relates to.

retinoblastoma

As listed by the trial registrant

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

Retinoblastoma

More trials for these conditions

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