FES BPET-DBT in Newly Diagnosed Breast Cancer

Status Recruiting

Clinical Trial Summary

Patients with newly diagnosed primary estrogen-receptor (ER) positive breast cancer, with at least one breast lesion that is 1.0 cm in diameter or greater, may be eligible for this study. Patients may participate in this study if they are at least 18 years of age. Up to 20 evaluable subjects will participate in a single imaging cohort. Study subjects will undergo imaging of the breast with a novel device combining dedicated Breast Positron Emission Tomography (BPET) and Digital Breast Tomosynthesis (DBT) following intravenous injection of [18F]-Fluoroestradiol (FES). This is an observational study; FES-BPET/DBT will not be used to direct treatment decisions. While patients and referring physicians will not be blinded to the FES-BPET/DBT results, treatment decisions are made by the treating physicians based upon standard clinical imaging.

Clinical Trial Description

The FES-BPET/DBT imaging session will include an injection of approximately 6 mCi (expected range of injected dose is 3-7 mCi) FES. Pilot data will be collected to evaluate image quality of FES-BPET/DBT in primary breast cancer. Size and focality of breast cancer extent as measured by FES-BPET/DBT will be compared to disease extent on standard breast imaging modalities. FES uptake on BPET/DBT, as measured by SUV, will be compared to ER expression by immunohistochemistry (IHC) on biopsy specimens. In addition, all subjects in this study will be recruited to the open ended Penn protocol titled 'Evaluation of Long-Axial Field-of-View Positron Emission Tomography Scanner,' IRB #843546. In those subjects who consent to this proposed study as well as #843546, assessment of disease extent on FES-BPET/DBT will be compared to that on whole body PET. Of note, those subjects who also consent to #843546 will not undergo any additional injected dose of FES radiotracer. This preliminary study seeks to evaluate FES-BPET/DBT as a preoperative imaging assay of ER-positive breast cancer disease extent within the breast. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05659797
Study type	Interventional
Source	Abramson Cancer Center at Penn Medicine
Contact	Erin o Schubert
Phone	2155736569
Email	erin.schubert@pennmedicine.upenn.edu
Status	Recruiting
Phase	Early Phase 1
Start date	October 2, 2023
Completion date	January 2026

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.