New eye scan could spot iris tumors better
NCT ID NCT03809585
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study uses a special eye scan called OCT angiography to look at iris tumors in 100 people. Researchers want to see if this scan can tell the difference between harmless and cancerous growths better than current methods. Participants include people with iris tumors and healthy volunteers for comparison.
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 improve how doctors diagnose iris tumors, potentially reducing the need for invasive procedures.
- What could go wrong
- This is an observational study, not a treatment trial. It may not lead to immediate changes in patient care, and results depend on accurate imaging comparisons.
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 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2018
- Expected to finish
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Dec 2027
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
Adults age 18 or older with either healthy eyes or iris tumors
- Ages
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18 years and older
- 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.
Inclusion Criteria for tumor group: * Eyes with diagnosis of melanotic or amelanotic iris tumors Inclusion Criteria for healthy control group: * Eyes without iris defects or lesions Exclusion Criteria (both groups): * Inability to give informed consent * Inability to maintain stable fixation for OCT imaging * Inability to commit to required study visits * Eyes with concurrent retinal diseases, glaucoma, or conditions that in the opinion of the investigators might affect iris circulation * Mature cataracts if found to limit visual potential to worse than 20/40
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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
1 site. 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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Oregon Health & Science University
RECRUITINGPortland, Oregon, 97239, United States