National Screening in Denmark With MR Versus Mammography and Ultrasound of Women With BRCA1 or BRCA2 Mutations

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE4

Total Enrollment

300 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-01-31

Study Completion Date

2015-06-30

Brief Summary

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The purpose of the study is to determine whether MR of the breast is a better screening tool than mammography combined with ultrasound of the breast in women with BRCA1 or BRCA2 gene mutations.

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Detailed Description

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Study type : Interventional Study design: Diagnostic,Prospective,Non Randomised,Blinded,Efficacy study

Further study details as provided by DBCG ( Danish Breast Cancer Cooperative Group):

Primary outcome measures:

Diagnostic outcome of a yearly screening with MR versus combined mammography and ultrasound of the breast measured by accuracy, sensitivity, specificity, positive and negative predictive values.

Secondary outcome measures:

Comparison of diagnostic outcome of MR versus combined mammography and ultrasound, in women with dense breast tissue compared with women with fatty breast tissue.

Comparison of the cancers found in women with BRCA gene mutations compared with the cancers found in the background population in respect of morphology, size, histological type, axillary lymph node status and grade.

Study start : January 2007. Expected completion 2010.

Women with BRCA gene mutations are more likely than others to develop the disease at a young age when breast density is higher than at older age.The tumours often are more rapidly developing with a short presymptomatic phase. These factors are known to reduce the effectiveness of screening with mammography and mammography seems to have a low sensitivity in women with BRCA gene mutations. Other studies have shown that more than 50% of the cancers appears as interval cancers between two mammography screening examinations and many have positive axillary nodes at the time of diagnosis.

Around 610 women are tested BRCA gene positive in Denmark in year 2006. These women are offered a yearly screening with mammography combined with ultrasound and a clinical examination. The trial will test whether this screening offer should be combined with or replaced by MR mammography.

Conditions

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Breast Cancer

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

SCREENING

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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1

Comparison of MR and mammography

Group Type EXPERIMENTAL

MR mammography

Intervention Type PROCEDURE

MR mammography

MR

Intervention Type PROCEDURE

MR

Interventions

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MR mammography

Intervention Type PROCEDURE

MR

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* women tested positive of BRCA1 or BRCA2 gene mutations
* referred for screening
* aged 25 - 70 years

Exclusion Criteria

* general contraindications for MR
* pregnant or lactating
* men
* bilateral mastectomy
* ongoing treatment with chemotherapy
* metastatic breast cancer
* previous breast surgery less than 6 months before MR
* previous radiation therapy of the breast less than 1 year before
* incapable of managing her own affairs

Minimum Eligible Age

25 Years

Maximum Eligible Age

70 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No