Tomosynthesis: Three-dimensional imaging of both breasts in standard CC and MLO views
Study summary
A randomized screening trial to compare the diagnostic accuracy of screening for breast cancer with three-dimensional digital breast tomosynthesis (DBT) plus two-dimensional full-field digital mammography (FFDM) versus FFDM alone.
Eligibility
Sex
FEMALE
Min age
40 Years
Max age
—
Healthy volunteers
Accepted
Inclusion Criteria:
* Asymptomatic women age 40 and over
* Scheduled for screening mammogram
* Able to tolerate digital breast tomosynthesis and full-field digital mammographic imaging required by protocol
* Willing and able to provide a written informed consent.
Exclusion Criteria:
* Presenting for mammography with symptoms of breast disease
* Have new breast complaints (e.g. lump, nipple discharge)
* Have had a mammogram of both breasts within the last 11 months
* Previous personal history of breast cancer
* Has breast enhancements (e.g. implants or injections)
* Pregnancy or intent to become pregnant.
Primary outcome measure(s)
Diagnostic Accuracy of DBT vs FFDM - AUC under ROC comparison — 3 year follow-up To compare the diagnostic accuracy using the area under the curve (AUC) score generated by receiver operator characteristic (ROC) analysis of digital breast tomosynthesis plus full-field digital mammography (DBT) versus full-field digital mammography (FFDM) alone for breast cancer screening. The examinations will be interpreted by local Breast Imaging radiologists. Cancer status will be pathologically confirmed. The women would undergo three consecutive screening rounds in the assigned arm followed by one year of standard of care imaging follow-up.
Trial sites (4)
Facility
City
Region
Status
X-Ray 505 (Under the BCCA Screening Mammography Program of BC)
Vancouver
British Columbia
Breast Health Centre at BC Women's Hospital + Health Centre
Vancouver
British Columbia
The Ottawa Hospital
Ottawa
Ontario
Sunnybrook Health Sciences Centre
Toronto
Ontario
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This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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