AI reads tumor slides to match cancer patients with trials
NCT ID NCT07814872
First seen Sep 11, 2026 · Last updated Sep 11, 2026
Summary
Many cancer trials require patients to have specific molecular markers, so researchers test large numbers of people to find the few who qualify. This study evaluates FATHOM, an AI system that reads clinical trial records and routine tumor slides to predict which patients carry those markers. Researchers preregister the rules, then apply the AI-generated policies to archived slides and compare predictions with existing molecular results. The study analyzes images and records only and does not enroll or contact patients.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- FATHOM, an AI system that reads tumor slides and clinical trial records to prioritize patients for molecular testing
- What this could lead to
- If it works, this approach could help cancer patients find matching clinical trials faster and spare some people unnecessary molecular testing.
- What could go wrong
- The AI policies are tested on archived slides and records, not real-time patient care, so performance in routine practice may differ. Some markers may be too hard to predict from images alone.
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 30,000 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2026
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
Patient records from archived, multi-institutional cohorts of patients with histologically confirmed cancers, relevant molecular profiling results, and at least one diagnostic hematoxylin and eosin (H\&E) whole-slide image. For the evaluation of a given policy, patients whose slides were used to train that policy's classifier are excluded. No patients are enrolled or contacted; enrollment counts refer to patient records analyzed.
- 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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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 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: * Patients with a histologically confirmed cancer * Availability of relevant molecular profiling results * At least one diagnostic hematoxylin and eosin (H\&E) whole-slide image Exclusion Criteria: * Poor-quality or unreadable slides, assessed independently of model output * Patients whose slides were used to train a policy's classifier, for that policy's evaluation
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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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Harvard Medical School
Boston, Massachusetts, 02115, United States
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