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study to explore diagnostic performance of [18F]fluoroestradiol (FES) positron emission tomography/computed tomography for the assessment of axillary lymph node metastasis in invasive lobular carcinoma of the breast

A phase 2, open-label, non-randomized, single center study to explore diagnostic performance of [18F]fluoroestradiol (FES) positron emission tomography/computed tomography for the assessment of axillary lymph node metastasis in invasive lobular carcinoma of the breast

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
CRIS
Registry ID
KCT0008590
Enrollment
30
Registered
2023-06-29
Start date
2023-08-10
Completion date
Unknown
Last updated
2024-11-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Drug : images for 90 minutes after F-18 FES injection

Sponsors

Asan Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Male or female subjects aged 19 years or olderregardless of race/ethnicity. - Subjects with histologically confirmed estrogenreceptor-positive invasive lobular breast cancerwithin 90 days prior to [18F]FES PET/CTimaging - Subjects whose primary tumor of cT1-3according to the American Joint Committee onCancer (AJCC) 8th tumor staging system - Subjects with suspected or confirmed axillarylymph node metastasis clinically or in imagingtest (ultrasound) - Subjects who scheduled to undergo sentinelnode biopsy or axillay lymph node dissectionwithin 90 days of [18F]FES PET/CT imaging - Subjects whose Eastern Cooperative OncologyGroup (ECOG) performance status (PS) of 2points or less

Exclusion criteria

Exclusion criteria: - Subject or the subject's legally acceptablerepresentative does not provide writteninformed consent form - Subjects with confirmed or suspected large,bulky, matted cN2 or cN3 axillary lymph nodemetastases, or distant metastases. - Previous history of ipsilateral axillary lymphnode dissection, sentinel lymph node surgery,or lymph node dissection biopsy. - Patients who are scheduled for or haveundergone chemotherapy, radiotherapy,antihormone therapy, targeted therapy, orimmunotherapy between [18F]FES PET/CT andpathological diagnosis - Subjects who are pregnant or lactating.Exclusion of the possibility of pregnancy ismade by one of the following: 1)Physiologically menopausal (menstruation hasstopped for more than 2 years), 2) Surgicallyinfertility (with a history of bilateral oophorectomy or hysterectomy), 3) In the caseof subjects with a possibility of pregnancy,negative serum or urine pregnancy test beforeadministration of [18F]FES has to be negativewithin 24 hours, and the subjects are instructedto use contraception during her participation inthis study. - Subject has concurrent severe and/oruncontrolled and/or unstable medical conditionother than cancer (e.g., congestive heart failure,acute myocardial infarction, severe lungdisease, chronic kidney disease or chronic liverdisease). - Subject is a relative or student of theinvestigator or otherwise in a dependentrelationship - Subject has already participated in this study - Subject not being able to provide intact datafor this study due to personal circumstances orother reasons in the judgment of theinvestigator

Design outcomes

Primary

MeasureTime frame
• Patient based sensitivity, specificity, positive predictive and negative predictive values of a qualitative [18F]FES PET/CT assessment of axillary lymph node metastasis

Secondary

MeasureTime frame
• Patient based sensitivity, specificity, positive predictive and negative predictive values of quantitative [ 18 F]FES PET/CT evaluation for axillary lymph node metastasis • Patient based sensitivity, specificity, positive predictive and negative predictive values of [18F]FES PET/CT in FNA or CNB-negative patients • Detection rate of qualitative [18F]FES PET/CT evaluation for cN3 lymph node metastasis • Detection rate of qualitative [18F]FES PET/CT evaluation for distant metastasis

Countries

Korea, Republic of

Contacts

Public ContactJae Eun Kim

Asan Medical Center

kje0216@amc.seoul.kr+82-2-3010-4572

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026