LEGACY: Lung Cancer Screening in Individuals With a Lung Cancer Family History-Protocol A
This research is being done to determine if an image-based deep learning model (Sybil) can accurately predict the likelihood of future lung cancer based on chest computed tomography (CT) imaging from individuals.
Ask AI to explain this studyKey things to know
This describes the study’s primary purpose.
The study team can explain what participation involves.
These are broad labels—not an eligibility decision.
Checked against the public recordLast updated Jul 6, 2026 · Source: ClinicalTrials.gov
The study is not accepting participants yet.
Interventional
Locations may change over time.
Study sponsor
What this study is about
- Purpose
- Screening
- Study type
- Interventional
- Phase
- Not applicable
- Sponsor
- Massachusetts General Hospital
- Interventions being studied
- Diagnostic Test: CT scan; Other: Sybil
How this study is categorized
These labels come from structured fields and exact terms in the public record.
Who may be able to participate
The sponsor separates these requirements into two groups. You do not need to interpret them alone—use them to guide a conversation with the study team.
- Age: Must meet both the upper and lower age limit criteria.
- Upper age limit: ≤80 years of age
- Lower age limit:
- ≥40 years of age OR
- ≥18 years of age AND ≤10 years of youngest relative's age at time of lung cancer diagnosis (e.g., if a relative was diagnosed at 35 years of age, participant can enroll at ≥25 years of age)
- Positive family history of lung cancer (defined as):
- Has ≥1 first-degree relative, OR
- Has ≥2 second-degree relatives with a diagnosis of non-small cell lung cancer or small cell lung cancer (NB: a first-degree relative = parent, sibling, or child, a second-degree relative = grandparent, blood-related aunt or uncle, grandchild, blood-related niece or nephew, half-sibling)
- Must not have a personal history of lung cancer at the time of enrollment.
- Must not have a personal history of stage IV cancer of any type at the time of enrollment.
- Must not have had surgical removal of any portion of the lung, excluding needle or core lung biopsy at the time of enrollment.
- Must not have had a chest CT within 12 months prior to trial enrollment.
Important: This is the sponsor’s public criteria, not a determination of eligibility. The study team must review your individual situation.
U.S. locations
- Massachusetts General HospitalBoston, Massachusetts
Source and freshness
Processed from ClinicalTrials.gov. Last public update: Jul 6, 2026. Always confirm current availability with the study team.