900 retinoblastoma survivors join landmark study to uncover Long-Term health secrets
NCT ID NCT03932786
First seen Jun 26, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study follows 900 children who were treated for retinoblastoma, a rare eye cancer, to track their long-term health. Researchers will collect vision tests, tissue and saliva samples, and questionnaires from patients and their siblings. The goal is to learn more about what causes the disease, identify late effects of treatment, and find the best therapies for 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 study could help doctors better understand the long-term effects of retinoblastoma treatments and improve future care.
- What could go wrong
- This is an observational study, not a treatment trial. It will not directly test a new therapy, and results may take years to influence clinical practice.
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
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About 900 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2019
- Expected to finish
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Jan 2031
An estimate. End dates often move.
- Lead sponsor
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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
Retrospective patients (those treated between 2008 and 2018) identified by each site at the start of the study period and prospective patients (those treated between 2018 and 2023) identified at the time of diagnosis by each site during the study period with unilateral or bilateral intraocular retinoblastoma
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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.
* Unilateral or bilateral intraocular retinoblastoma * Diagnosis between the ages of 0 - 17.99 years * Diagnosis on or after January 1, 2008 * No exclusions based on primary or secondary treatment modalities * Retrospective group patients must be ≥ 6 months post end of treatment at study entry * For those already at this timepoint, they are now eligible * For those in treatment, or otherwise not yet at this timepoint, they are eligible once at they are ≥ 6 months post end of treatment * Prospective group patients must not have begun treatment * Patients with diminished capacity will not be enrolled. * Language: Patients must be able to communicate in English, French, or Spanish * Sibling Cohort: One sibling, not affected by retinoblastoma will be enrolled, preference for the sibling closest in age to the RB patient. * Regulatory Requirements: All patients and/or their parents or legal guardians must sign a written informed consent. All institutional, FDA, and NCI requirements for human studies must be met.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
11 sites in 2 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Children's Hospital of Philadelphia
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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Children's Hospital of Wisconsin
RECRUITINGMilwaukee, Wisconsin, 53226, United States
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Cincinnati Children's Hospital Medical Center
RECRUITINGCincinnati, Ohio, 45229, United States
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Lurie Children's Hospital
RECRUITINGChicago, Illinois, 60611, United States
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MD Anderson Cancer Center
RECRUITINGHouston, Texas, 77030, United States
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Texas Childeren's Hospital
RECRUITINGHouston, Texas, 77030, United States
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The Hosptial for Sick Children
RECRUITINGToronto, Canada
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University of Illinois, Chicago
RECRUITINGChicago, Illinois, 60612, United States
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University of Minnesoa
RECRUITINGMinneapolis, Minnesota, 55455, United States
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Vanderbilt-Ingram Cancer Center
RECRUITINGNashville, Tennessee, 37232, United States
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Washington School of Medicine at St. Louis
RECRUITINGSt Louis, Missouri, 63110, United States
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