Overdiagnosis and Breast Cancer Screening Decisions

Completed · Not applicable

Conditions studied: Mammography Screening, Geriatrics, Decision Aid

In brief

This is a survey-based study using an online panel. The goal of the study is to understand whether information about overdiagnosis influences breast cancer screening intention among older women. Participants are first asked a series of questions about breast cancer screening including their intention to continue screening, knowledge of screening, and beliefs about screening. They are then shown one of three videos about breast cancer screening that contain information about overdiagnosis or a fourth control video that is identical but contains no information about overdiagnosis. Participants are then again asked about screening intention, along with knowledge of screening, overdiagnosis, and questions around trust.

Key facts

Study ID

NCT07071415

Run by

Yale University

People needed

308

Starts

2025-08-19

Expected to finish

2025-10-20

Last updated by the study team

2026-07-17

Who can join

Age: 70 and older. Sex: female. Healthy volunteers: accepted.

You may qualify if…

• 70 and older
• Able to participate in an English-language web-based survey

You may not qualify if…

• Prior history of breast cancer or ductal carcinoma in situ

Where it is running

• Yale School of Medicine — New Haven, Connecticut, United States

Full record on ClinicalTrials.gov

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