- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06058650
Molecular Breast Imaging Guidance for Breast Biopsy for Patients With Breast Abnormalities
Pilot Clinical Study to Evaluate Molecular Breast Imaging- Guidance for Sampling of Breast Abnormalities
Study Overview
Status
Conditions
Detailed Description
PRIMARY OBJECTIVE:
I. To evaluate a methodology for MBI-guided biopsy of suspicious breast lesions.
OUTLINE: Patients are assigned to 1 of 2 study parts.
PART I: Patients receive technetium Tc-99m sestamibi intravenously (IV) and undergo MBI on study.
PART II: Patients receive technetium Tc-99m sestamibi IV and undergo MBI. Patients whose breast lesions of interest are visualized on MBI then undergo breast biopsy using the Stereo Navigator accessory.
After completion of study intervention, patients may be asked to follow up at 3-6 months.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Clinical Trials Referral Office
- Phone Number: 855-776-0015
- Email: mayocliniccancerstudies@mayo.edu
Study Locations
-
-
Minnesota
-
Rochester, Minnesota, United States, 55905
- Recruiting
- Mayo Clinic in Rochester
-
Contact:
- Clinical Trials Referral Office
- Phone Number: 855-776-0015
- Email: mayocliniccancerstudies@mayo.edu
-
Principal Investigator:
- Katie N. Hunt, M.D.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- PART I: Women aged 18 years or older
- PART I: If able to become pregnant, negative pregnancy test within 48 hours prior to MBI biopsy procedure
- PART I: Individuals who have previously (within the last 3 years) undergo an MBI study and were found to have at least one breast imaging finding on MBI that was subsequently shown (through additional imaging, biopsy or follow-up) to be benign in nature
- PART I: Individuals who have agreed to participate in the study and who have signed the study-specific informed consent
- PART II: Women aged 18 years or older
- PART II: If able to become pregnant, negative pregnancy test within 48 hours prior to MBI biopsy procedure
- PART II: Individuals who have previously (within the last 3 years) undergone an MBI study and were found to have at least one breast imaging finding on MBI that was subsequently shown (through additional imaging, biopsy or follow-up) to be benign or probably benign in nature
PART II: Individuals who had recent conventional imaging work-up including either x-ray mammography, ultrasound, MBI, or MRI of the breast and are found to have at least one breast imaging finding for which biopsy is required or recommended, specifically:
- Individuals who have a breast abnormality(ies) on imaging with mammography, ultrasound, MBI, or MRI (as per American College of Radiology [ACR] Breast Imaging Reporting and Data System [BIRADS] 3, or higher) and requiring imaging follow-up or biopsy confirmation
- PART II: Individuals who have agreed to participate in the study and who have signed study-specific informed consent
Exclusion Criteria:
- PART I: Women who are pregnant
- PART I: Women who are currently lactating or discontinued breastfeeding < 2 months prior to the study
- PART I: Age less than 18 years
- PART I: Women with breast implant(s) in the breast containing the lesion of interest
- PART I: Inability to provide informed consent
- PART II: Women who are pregnant
- PART II: Women who are currently lactating or discontinued breastfeeding < 2 months prior to the study
- PART II: Age less than 18 years
- PART II: Women with breast implant(s) in the breast containing the lesion of interest
- PART II: Women who have recently (within the last 3 months) undergone biopsy of the breast finding
- PART II: Women who are scheduled for a sentinel node procedure using radioactive Tc-99m within 24 hours of MBI-guided biopsy
- PART II: Patients with contraindications for core biopsy and other invasive procedures such as blood coagulation disorders, infection, or who are unwilling to discontinue use of anticoagulant medication prior to the procedure
- PART II: Inability to provide informed consent
- PART II: Women who have had surgery on the study breast(s) within the past 12 months
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Non-Randomized
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Part I (technetium Tc-99m sestamibi, MBI)
Patients receive technetium Tc-99m sestamibi IV and undergo MBI on study.
|
Undergo MBI
Other Names:
Given IV
Other Names:
|
Experimental: Part II (technetium Tc-99m sestamibi, MBI, biopsy)
Patients receive technetium Tc-99m sestamibi IV and undergo MBI.
Patients whose breast lesions of interest are visualized on MBI then undergo breast biopsy using the Stereo Navigator accessory.
|
Undergo MBI
Other Names:
Given IV
Other Names:
Undergo biopsy of breast
Other Names:
Utilization of the Stereo Navigator accessory
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Validation of timeframe
Time Frame: Baseline
|
Time from injection of the technetium Tc-99m sestamibi to identification of the appropriate needle guide hole will be reviewed to determine if and where any improvements in workflow can be made to reduce the overall procedure time for patients.
|
Baseline
|
Change in image of lesion
Time Frame: Baseline; Up to 6 months
|
The coordinates of the lesion of interest on the high resolution MBI image will be recorded.
The guidance procedure will be considered successful if 1) the pre and post images of the lesion demonstrated one of the following: decreased in size, central or eccentric defect where sampled, or decrease in intensity, or 2) pathology results demonstrate malignancy or a specific benign concordant result.
|
Baseline; Up to 6 months
|
Accuracy of depth estimation by difference in attenuation from opposing views
Time Frame: Baseline; Up to 6 months
|
For each patient in whom pathology confirms successful sampling of the lesion seen on high-resolution molecular breast imaging (MBI), the error in depth estimation will be calculated as the average error for each depth estimation method from all core biopsy samples.
This will allow comparison of the accuracy of the 3 different depth estimation methods and potentially provide further information on the strengths and weakness of each of the three methods for depth estimation.
Uniformity activity along the entire 20 mm core would indicate failure to biopsy the lesion.
Any portion of increased uptake will be noted and the center of activity will be determined relative to the mid-point of the core sample.
This distance will be recorded as the difference between estimated depth and true depth.
|
Baseline; Up to 6 months
|
Accuracy of depth estimation by difference in apparent lesion size
Time Frame: Baseline; Up to 6 months
|
For each patient in whom pathology confirms successful sampling of the lesion seen on MBI, the error in depth estimation will be calculated as the average error for each depth estimation method from all core biopsy samples.
This will allow comparison of the accuracy of the 3 different depth estimation methods and potentially provide further information on the strengths and weakness of each of the three methods for depth estimation.
Uniformity activity along the entire 20 mm core would indicate failure to biopsy the lesion.
Any portion of increased uptake will be noted and the center of activity will be determined relative to the mid-point of the core sample.
This distance will be recorded as the difference between estimated depth and true depth.
|
Baseline; Up to 6 months
|
Accuracy of depth estimation by triangulation
Time Frame: Baseline; Up to 6 months
|
For each patient in whom pathology confirms successful sampling of the lesion seen on MBI, the error in depth estimation will be calculated as the average error for each depth estimation method from all core biopsy samples.
This will allow comparison of the accuracy of the 3 different depth estimation methods and potentially provide further information on the strengths and weakness of each of the three methods for depth estimation.
Uniformity activity along the entire 20 mm core would indicate failure to biopsy the lesion.
Any portion of increased uptake will be noted and the center of activity will be determined relative to the mid-point of the core sample.
This distance will be recorded as the difference between estimated depth and true depth.
|
Baseline; Up to 6 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Katie N. Hunt, M.D., Mayo Clinic in Rochester
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 18-011329 (Other Identifier: Mayo Clinic in Rochester)
- NCI-2023-06047 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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