Evaluation of a 3-D Tomosynthesis Mammography System Used in Conjunction With Conventional 2-D Digital Mammography
A Multicenter, Controlled Clinical Trial to Evaluate the Hologic 3-D Tomosynthesis Mammography System Used in Conjunction With Conventional 2-D Digital Mammography
1 other identifier
interventional
1,183
1 country
5
Brief Summary
This was a multi-center, prospective clinical trial in which the subject was her own control. Approximately 950-1400 female subjects were enrolled at five (5) sites in the United States. Subjects were from either a Screening population or a biopsy population and were imaged first on a conventional 2D full filed digital mammography system then on a 3D tomosynthesis system. The resulting images from the this portion of the study were then randomized into a reader study. The purpose of this clinical study was to compare the 3-D tomosynthesis system used in conjunction with a conventional 2-D digital imaging system (2-D plus 3-D images) to the conventional 2-D digital imaging system (2-D images), and to determine whether the 2-D plus 3-D images compared to the 2-D images alone would:
- 1.Reduce the recall rate And/or
- 2.Improve ROC area due to improved breast cancer detection and/or improved lesion classification.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable breast-cancer
Started Jul 2006
Shorter than P25 for not_applicable breast-cancer
5 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
July 1, 2006
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2007
CompletedFirst Submitted
Initial submission to the registry
September 10, 2008
CompletedFirst Posted
Study publicly available on registry
September 18, 2008
CompletedAugust 12, 2022
September 1, 2008
10 months
September 10, 2008
August 9, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
To detect a 20% reduction in the recall rate when comparing the recall rate using the BIRADS 0 scores of the 2-D plus 3-D images to the 2-D images.
10-12 months
Secondary Outcomes (1)
To detect a 0.05 increase in the area under the ROC curve when comparing 2-D plus 3-D images to the 2-D images.
10-12 months
Interventions
a full-field digital mammography system where multiple images are acquired at various angles near the normal to the detector. Breast compression is performed in a standard geometry. The acquired images are reconstructed using mathematical algorithms, not unlike CT reconstructions, to generate a set of thin slices parallel to the breast platform. The reconstructed slices can be viewed individually or in a movie format.
Eligibility Criteria
You may qualify if:
- Female
- Any ethnic origin
- No contraindication for screening mammography
You may not qualify if:
- Significant breast trauma
- Pregnancy
- Lactating
- Breast implants
- Previous breast cancer
- Previous surgical biopsy
- Placement of an internal breast marker
- Unable to understand and or execute written informed consent
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Hologic, Inc.lead
Study Sites (5)
Yale New Haven Hospital
New Haven, Connecticut, 06520, United States
University of Iowa Medical Center
Iowa City, Iowa, 52242, United States
Massachusetts General Hospital
Boston, Massachusetts, 02116, United States
Dartmouth Hitchcock Medical Center
Lebanon, New Hampshire, 03756, United States
Magee Women's Hospital
Pittsburgh, Pennsylvania, 15213, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Elizabeth Rafferty, M.D
Massachusetts General Hospital
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Purpose
- DIAGNOSTIC
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 10, 2008
First Posted
September 18, 2008
Study Start
July 1, 2006
Primary Completion
May 1, 2007
Study Completion
July 1, 2007
Last Updated
August 12, 2022
Record last verified: 2008-09