Rare breast lesions under the microscope: study seeks better care
NCT ID NCT06133465
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked back at medical records of over 1,000 people with rare breast conditions called florid and pleomorphic lobular carcinoma in situ (FLCIS and PLCIS). The goal was to understand how doctors currently diagnose and treat these conditions, since there are no official guidelines. By analyzing treatments, surgeries, and outcomes, the researchers hope to create clearer recommendations for managing these cases in the future.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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1,063 people
The number who actually took part.
- Started
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Oct 2023
- Finished
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Jan 2025
- 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
Patients diagnosed with pure variant pleomorphic and/or florid lobular carcinoma in situ of the breast
- Ages
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18 years and older
- 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: * Histologic diagnosis of PLCIS and/or FLCIS of the breast on both core-biopsy and/or on final specimen histology; * Aged 18 years or older. Exclusion Criteria: * Histologic diagnosis of CLCIS; * Histologic diagnosis of LCIS (any type) associated with invasive carcinoma
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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.
Contacts and locations
Locations
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Istituto Oncologico Veneto IRCCS
Padova, Padova, 35168, Italy
More trials for these conditions
Other studies related to the condition(s) this trial covers.