About this trial
The aim of this study is to assess attendance among women invited to additional breast imaging because they were identified as having an increased risk of breast cancer at screening. High-risk women were defined in two studies: Study A; women with high mammographic density, representing approximately 3-5% of screened women, and Study B; women with a false-positive screening result. Women in Study A will be offered an additional screening examination with digital breast tomosynthesis immediately within 6 months after the screening examination. Women in Study B will be offered an additional standard digital mammography examination one year after their initial screening.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
invited to screening
extremely dense breast (Study A) or a false positive screening result (Study B)
Disqualifiers
Opted out or not signed written consent related to the study
Women who have opted out from giving us permission to use screening data for quality assurance and research
Trial population
Study A will take place at the University Hospital of Akershus, while Study B will take place in Drammen, Vestre Viken Hospital and Oslo University Hospital
Trial design
Case-only
Prospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Attendance rate to extra imaging with digital breast tomosynthesis for women with extremely high mammographic density
Women with extremely dense breasts will be offered an extra examination with DBT within 6 months after index screening mammography. The investigators will assess the attendance rate to this extra examination.
Attendance rate to an additional screening mammography for women with false positive screening result
Women with false positive screening result will be offered an additional screening mammography within 12 months after index screening mammography. The investigators will assess the attendance rate to this additional examination.
Locations
Sponsors and contacts
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Norwegian Institute of Public Health
Lead sponsor
Norwegian Cancer Society
Collaborator
University Hospital, Akershus
Collaborator
Oslo University Hospital
Collaborator
Vestre Viken Hospital Trust
Collaborator
This trial is not recruiting at the moment. You can still explore other options: