Breast Cancer Clinical Trial

Evaluation of Breast CT

Summary

The investigators have studied the potential of breast computed tomography (bCT) for breast imaging under an NIH-funded Biomedical Research Partnership (BRP) grant (R01 EB002138-10), and 4 breast CT scanners have been developed that have imaged over 600 women to date (under more than one IRB-approved protocol). The BRP grant cannot be renewed, and with this (resubmitted) R01 grant application, the investigators seek to finalize the investigators' research in breast CT - The specific aims have been significantly modified as a result of the first critique, and the investigators now focus on a narrower set of remaining issues.

This version of the protocol will add breast magnetic resonance imaging (MRI) to the experimental procedures.

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Full Description

Clinical evaluation: Four hundred women who will be having breast biopsy as part of their standard care (BIRADS 4 and 5) will be recruited to undergo additional imaging prior to biopsy, including (research) pre-and post-contrast enhanced breast CT imaging of both breasts, as well as (standard, FDA approved) contrast enhanced breast MRI. The potential of non-contrast enhanced breast CT will be compared using receiver operating characteristic (ROC) methodology against mammography alone, as well as with mammography + tomosynthesis. The breast CT images (including both pre-and post-contrast images) will be compared using ROC methodology against standard-of-care contrast-enhanced MRI (which includes both non-contrast and contrast images). The results of the clinical trials proposed in this investigation should provide strong evidence in regards to the potential of breast CT for breast cancer screening in the normal risk and high risk populations.

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Eligibility Criteria

Inclusion Criteria:

Age at least 35 years old
Diagnostic findings from prior mammography highly suggestive of breast malignancy (BI- RADS® category 4 or BI-RADS® category 5)
Not pregnant or breast-feeding
Ability to lie motionless for up to 5 minutes

Exclusion Criteria:

Recent breast biopsy
History of moderate or severe reaction to contrast agent injection
History of Allergy to Iodine
History of multiple food and/or drug allergy
Currently taking Glucophage or Glucovance (Metformin)
History of Chronic Asthma
History of Diabetes Mellitus
Renal (kidney) disease, or solitary kidney
Recent lab tests showing elevated serum creatinine (≥ 1.5 mg/dL)
Recent lab tests showing estimated glomerular filtration rate (eGFR) ≤ 60 ml/minute
Positive urine pregnancy test or currently breast-feeding
Inability to understand the risks and benefits of the study
The standard MRI contraindications apply, including but not limited to: having a pacemaker or other implanted electronic device, metal foreign bodies within the eye, aneurysm clips, heart valve prosthesis, vascular stents, coils, intrauterine devices (IUDs), inferior vena cava (IVC) filters, gunshot wounds with retained bullet fragments.

Study is for people with:

Breast Cancer

Estimated Enrollment:

76

Study ID:

NCT00584233

Recruitment Status:

Completed

Sponsor:

University of California, Davis

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There is 1 Location for this study

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UC Davis Medical Center
Sacramento California, 95817, United States

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Study is for people with:

Breast Cancer

Estimated Enrollment:

76

Study ID:

NCT00584233

Recruitment Status:

Completed

Sponsor:


University of California, Davis

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