- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04149353
PET/MR in Surgical Planning for Breast CA Treated With Neoadj Chemo
Utility of PET/MR in Surgical Planning for Breast Cancer Treated With Neoadjuvant Chemotherapy
Purpose: To assess the utility of combined, simultaneous positron emission tomography (PET) and magnetic resonance imaging (MRI), collectively called PET-MR, in assessing response to neoadjuvant chemotherapy and surgical treatment decisions for operable breast cancers.
Participants: Adult patients with operable breast cancer that are being treated at UNC with neoadjuvant chemotherapy followed by potentially curative surgical resection.
Procedures (methods): Patients who are being treated with neoadjuvant chemotherapy followed by surgical resection and for whom pre- and post-treatment MR imaging is part of planned treatment will undergo additional pre-treatment and post-treatment PET/MR. The response to treatment will be assessed at post-treatment by evaluating change in tumor size from MRI, change in response to dynamic contrast enhanced (DCE) MRI, and 18F-fluorodeoxyglucose (18F-FDG) avidity from PET. Patients will then undergo surgery. Their pathology will be reviewed for treatment effect as assessed by residual cancer burden (RCB) score. Patients will be followed and assessed for recurrence.
Study Overview
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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North Carolina
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Chapel Hill, North Carolina, United States, 27599
- UNC- Chapel Hill
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age ≥ 18 years of age (no upper age limit)
- Signed, IRB-approved written informed consent
- Must have clinical T1-3, N0-3, M0 disease. All phenotypes are acceptable..
- Must have surgically curable disease as evaluated by the UNC Multidisciplinary Tumor Board.
- Must have pre- and post-treatment MRI imaging as part of the treatment plan.
- Must be able to meet size restrictions for the PET-MR scanner: chest depth and abdominal depth less than 27 cm (approximately the smallest 55% of women will meet this), as measured on imaging or with physical template.
- Must be in acceptable health to undergo chemotherapy and curative intent surgery as assessed by Multidisciplinary Tumor Board.
- Must be able to understand and comply with study procedures for the entire length of the study.
- Must receive their chemotherapy and curative intent surgery at UNC Hospitals. -If patient has a history of prior malignancy, including melanoma, patient must be cancer- free for three or more years. Non-melanoma skin cancers will be included even if not cancer-free for three years.
- Women of childbearing potential must have a negative serum or urine pregnancy test performed within 7 days prior to each PET/MRI
Exclusion Criteria:
- Inability to tolerate MRI (e.g., inability to lie flat for >1 hour)
- Presence of pacemaker, intracranial aneurysm clip, bladder stimulator, cochlear implant or metal near eyes or near pelvis that would create excessive imaging artifact
- Poorly controlled diabetes mellitus
- Patient receiving neoadjuvant endocrine therapy (due to low likelihood of complete response)
- Pregnancy or lactating female
- Substance abuse, medical, psychological, or social conditions that may interfere with the patient's participation in the study
- Evidence of distant disease on physical exam or initial imaging
- Medical conditions precluding chemotherapy or curative intent surgery
- Incarcerated or otherwise institutionalized at time of enrollment
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: PET/MR
Each patient will undergo two combined PET/MR scans.
The pre-treatment and post-treatment combined PET/MR scans are for research purposes and not part of the patient's standard of care.
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Patient will be scheduled for a pre-treatment PET/MR and proceed to neoadjuvant chemotherapy per the direction of the medical oncologist.
Within four weeks after completion of chemotherapy the patient will undergo a post-treatment PET/MR, and proceed for curative intent surgery if they are still surgical candidates.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in PET Activity Estimates From Pre-treatment to Post-treatment
Time Frame: Time Frame: Changes in image measures will be assessed from baseline scans, prior to therapy, to post-treatment scans, taken six months after baseline. Pathology data will be obtained post-surgery.
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Primary endpoint is the determination of the potential for PET activity estimates to predict RCB score in comparison with that of dynamic contrast enhanced (DCE) MRI.
Treatment response will be determined on final pathological evaluation of the resected specimens by way of the RCB score.
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Time Frame: Changes in image measures will be assessed from baseline scans, prior to therapy, to post-treatment scans, taken six months after baseline. Pathology data will be obtained post-surgery.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Performance of Metrics Combining Multiple Features From PET and MR in Prediction of Response to Therapy
Time Frame: Changes in image measures will be assessed from baseline scans, prior to therapy, to post-treatment scans, taken six months after baseline. Pathology data will be obtained post-surgery.
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Quantitative image measures from PET and MR will be compiled and an optimal linear regression will be derived between the image metrics and the outcome measure from pathology, the RCB score.
Prediction performance of the regression relation will be assessed using a leave-one-out cross-validation approach.
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Changes in image measures will be assessed from baseline scans, prior to therapy, to post-treatment scans, taken six months after baseline. Pathology data will be obtained post-surgery.
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Collaborators and Investigators
Investigators
- Principal Investigator: David Lalush, PhD, UNC Biomedical Engineering
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- LCCC 1716
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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