Mammographic Density and the Risk of Tumor Recurrence in Asian Women: a Case-control Study

Completed

• Conditions: Case Control Study
• Interventions: Other: Mammographic breast density at diagnosis

• Registration Number: NCT02771665
• Lead Sponsor: National Taiwan University Hospital

Brief Summary

To evaluate the influence of mammographic breast density at diagnosis on the risk of cancer recurrence and survival outcome in patients with invasive breast cancer after surgery

Detailed Description

Not available

Study Timeline

• Study Start: 2014-03
• Primary Completion: 2015-03
• Study Completion: 2015-03
• Status Verified: 2016-05
• Study First Submitted: 2016-05-11
• Study First Submitted QC: 2016-05-11
• Last Update Submitted: 2016-05-11
• Study First Posted: 2016-05-13
• Last Update Posted: 2016-05-13

Recruitment & Eligibility

• Status: COMPLETED
• Sex: Female
• Target Recruitment: 300

Inclusion Criteria

• Women diagnosed with invasive breast cancer between 2004 and 2009 who had undergone surgery and had the mammographic breast density ascertained before, or at, diagnosis.

Exclusion Criteria

• Women diagnosed with invasive breast cancer between 2004 and 2009 who had not undergone surgery or who had no mammographic breast density ascertained before, or at, diagnosis.

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
Breast cancer women without recurrences	Mammographic breast density at diagnosis	Breast cancer women without recurrences
Breast cancer women with known recurrences	Mammographic breast density at diagnosis	Breast cancer women with known recurrences (locoregional recurrence and distant metastasis)

Primary Outcome Measures

Name	Time	Method
Hazard ratios for recurrence	2004 to 2009

Secondary Outcome Measures

Name	Time	Method
Hazard ratios for death	2004 to 2009