Could a scan replace surgery for breast cancer staging?
NCT ID NCT05982496
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a special PET/MRI scan can accurately detect if breast cancer has spread to lymph nodes in the armpit, potentially replacing the need for surgical removal of those nodes. About 119 women with certain types of breast cancer (luminal A or lobular) will get the scan before their planned surgery. The goal is to see if the scan is reliable enough to guide treatment decisions without an operation.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 119 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2026
- Expected to finish
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Dec 2029
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.
- Ages
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18 years and older
- Sex
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Female participants only
- 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: * Female patients, age\>= 18 yrs, diagnosed with primary or advanced breast cancer * LumA or ER-positive Lobular subtypes * candidates to surgery as first treatment regardless of cN * ER-positive Her2 negative BC with ki67\>10% Exclusion Criteria: * ER-negative tumors * Pregnancy; * Contraindication to PET; * Contraindication to MRI; * Claustrophobia; * Allergy to the MR contrast agent; * Severe renal insufficiency
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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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IRCCS Ospedale San Raffaele
RECRUITINGMilan, MI, 20132, Italy
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