Status:
COMPLETED
Under- and Overdiagnosis in BreastScreen Norway
Lead Sponsor:
Norwegian Institute of Public Health
Collaborating Sponsors:
Extrastiftelsen
Conditions:
Breast Cancer
Eligibility:
All Genders
25-75 years
Brief Summary
This PhD project will describe tumour characteristics and survival associated with of under- and overdiagnosed breast cancers, the rate of overdiagnosis in BreastScreen Norway, and whether women and f...
Detailed Description
Mammographic screening among women aged 50-69 reduces breast cancer mortality but also carries some risk. This PhD project will study under- and overdiagnosis, two risks associated with mammographic s...
Eligibility Criteria
Inclusion
- Study 1
- Inclusion Criteria:
- Breast cancer diagnosed within BreastScreen Norway using digital mammography
- Prior screening images available for review
- Study 2
- Inclusion Criteria:
- Women born between 1927 and 1934 (inclusive)
- Legal resident in Norway at any time between 1996 and 2003 (inclusive)
- Study 3
- Inclusion Criteria:
- Women residing in Norway, aged 50-69 (inclusive)
- Practising family doctors in Norway, aged 25-75 (inclusive)
- Provide informed consent
Exclusion
Key Trial Info
Start Date :
July 1 2018
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
June 8 2020
Estimated Enrollment :
3915 Patients enrolled
Trial Details
Trial ID
NCT03852953
Start Date
July 1 2018
End Date
June 8 2020
Last Update
August 28 2024
Active Locations (1)
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1
Cancer Registry of Norway
Oslo, Norway, 0379