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New scan may better detect Hard-to-Find breast cancer spread

NCT ID NCT06557148

Diagnosis Sponsor: Memorial Sloan Kettering Cancer Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jul 15, 2026 · Updated 2 times

Summary

This study compares two types of PET scans to see which is better at finding and tracking metastatic lobular breast cancer. About 30 adults with this type of cancer will receive both an experimental FES PET/CT scan and a standard FDG PET/CT scan. The goal is to improve detection and monitoring of the disease.

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

7 people

The number who actually took part.

Started

Aug 2024

Expected to finish

Aug 2027

An estimate. End dates often move.

Lead sponsor

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 will be recruited from breast medical oncology clinics, with a concerted effort to recruit a diverse group of patients. Recruitment will be led by Co-PI Komal Jhaveri, MD, Assistant Attending, Breast Medicine Service. Eligible patients will be approached to enroll in the protocol and provide written informed consent. Potential research subjects will be identified by a member of the patient's treatment team, the protocol investigator, or research team at MSK. If the investigator is a member of the treatment team, s/he will screen their patient's medical records for suitable research study participants and discuss the study and their potential for enrolling in the research study.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adult patient \> 18 years old * Biopsy-proven metastatic ILC * Confirmed ER+ breast cancer from either primary tumor or metastatic biopsy (ER receptor percent staining ≥ 10% of tumor cells by IHC) * HER2-negative per ASCO/CAP * ECOG Performance Status Score of 0, 1 or 2. * Patient can have received up to 2 lines of therapy in the metastatic setting * Life expectancy of at least 12 months Exclusion Criteria: * Low ER expression defined as ER \<10% of tumor cells by IHC * Patients who have been on adjuvant ER-blocking endocrine therapy with SERM or SERD without an 8- and 24-weeks washout, respectively. (The use of aromatase inhibitors or ovarian suppression is permitted given that they do not block estrogen receptors). * Pregnancy or lactation or parturient or nursing mother * Patient presents with any other clinically active, serious, life-threatening disease, medical, or psychiatric condition, and/or who has a life expectancy of \<12 months, or for whom study participation may compromise their management; and/or a patient who the investigator judges to be unsuitable for participation in the study for any reason.

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Conditions

The condition(s) this trial relates to.

breast cancer breast carcinoma breast lobular carcinoma breast neoplasm Carcinoma, Lobular invasive lobular breast carcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Breast cancer Breast carcinoma Lobular breast carcinoma Metastatic breast cancer Metastatic breast carcinoma Metastatic lobular breast carcinoma

Contacts and locations

Locations

  • Memorial Sloan Kettering Bergen (All Protocol Activities)

    Montvale, New Jersey, 07645, United States

  • Memorial Sloan Kettering Cancer Center (All Protocol Activities)

    New York, New York, 10065, United States

  • Memorial Sloan Kettering Monmouth (Limited protocol activities)

    Middletown, New Jersey, 07748, United States

  • Memorial Sloan Kettering Nassau (Limited Protocol Activites)

    Rockville Centre, New York, 11553, United States

  • Memorial Sloan Kettering Suffolk-Commack (All protocol activity)

    Commack, New York, 11725, United States

  • Memorial Sloan Kettering Westchester (Limited Protocol Activities)

    Harrison, New York, 10604, United States

  • Memorial Sloan Kettering at Basking Ridge (Limited Protocol Activities)

    Basking Ridge, New Jersey, 07920, United States

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