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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT02661204
Other study ID # BASEC 2015-00011
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date January 2016
Est. completion date October 2023

Study information

Verified date November 2022
Source University of Zurich
Contact Andreas Boss, MD
Email andreas.boss@usz.ch
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The purpose of this study is to evaluate the diagnostic performance of a new ABUS system among 4 different population: Population A: women undergoing screening for familial or genetic predisposition for breast cancer. Population B: women with newly diagnosed breast cancer. ABUS performance will be compared to breast MRI in the pre-operative assessment of breast cancer extent. Population C: women with BI-RADS 3 or 4 lesions in a routine breast imaging examination. ABUS will be evaluate as a problem-solving tool. Population D: women undergoing breast MRI for the assessment of breast implants integrity. ABUS performance will be compared to breast MRI.


Description:

Population A: women in the age range of 20 to 40 years, with a strong family history of breast cancer or a predisposing gene mutation such as BRCA1 or BRCA2. A total of 100 patients should be enrolled. Population B: women with new breast cancer diagnosis undergoing pre-operative local cancer staging.A total of 50 patients will be enrolled. Population C: women with lesions classified BI-RADS 3 or 4 in a routine breast imaging examination. A total of 50 patients will be enrolled. Population D: women undergoing breast-MRI for the evaluation of breast implants integrity. A total of 50 patients will be enrolled. The expected duration of subject participation is 5 years for population A: every year the patients will undergo ABUS examination and the results will be compared with HHUS examination. In population B, C and D only one examination will be performed and the data obtained with ABUS will be compared with HH-US and breast MRI data. Images will be evaluated by a radiologist with breast imaging experience and ABUS findings will be compared with findings from HHUS and MR imaging. Afterwards, two or three readers (radiologists with different levels of experience in breast imaging) blinded to clinical, HH-US and MRI data, will evaluate the interobserver agreement ABUS images will be evaluated by Methods of minimising bias Population A - During the recruitment, family history of breast cancer will be in-depth analysed in order to avoid the bias related to different levels of risk for breast cancer. In order to reduce the loss of patients to follow-up, women will be invited every year to undergo HHUS and ABUS examination at our department.


Recruitment information / eligibility

Status Recruiting
Enrollment 250
Est. completion date October 2023
Est. primary completion date May 2023
Accepts healthy volunteers No
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Population A - Inclusion criteria: - Age between 20 and 40 years - family history of breast cancer or a proved predisposing gene mutation such as BRCA1 or BRCA2 2. Population B - Inclusion criteria - Age = 18 years - Newly diagnosed breast cancer with no previous history of breast cancer - Availability of pre-operative breast MRI performed for local staging within 4 weeks before the surgery - Breast surgery performed at the UniversitätsSpital Zürich 3. Population C - Inclusion criteria - Age = 18 years - Newly detected BI-RADS 3 or 4 lesion - Availability of follow-up examination or histological results of biopsy and surgery 4. Population D - Inclusion criteria - Age = 18 years - Availability of breast MRI performed for evaluating breast implants integrity Exclusion Criteria: 1) Population A - Exclusion criteria: - Personal history of breast or ovarian cancer

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Automated breast ultrasound examination (ABUS)
Automated breast ultrasound examination

Locations

Country Name City State
Switzerland University Hospital Zurich, Institute of Diagnostic and Interventional Radiology, University Hospital Zurich Zurich

Sponsors (1)

Lead Sponsor Collaborator
University of Zurich

Country where clinical trial is conducted

Switzerland, 

Outcome

Type Measure Description Time frame Safety issue
Primary Population A: comparison between ABUS and HHUS with respect to the number of lesions detected with the two devices and their characterization according to the BI-RADS lexicon 5 years
Primary Population B:comparison between ABUS and breast MRI with respect to known malignant lesion/s size assessment and number of additional lesions detected and not previously evident with mammography and HHUS sensitivity and specificity of a new ABUS system in the assessment of breast cancer extent. Breast MRI will be used as standard of reference 5 years
Primary Population C: number of patients with diagnosis of BI-RADS 3 and 4 breast lesions with ABUS compared to histological results or follow-up sensitivity and specificity of a new ABUS system in the assessment of BI-RADS 3 and 4 lesions. Follow-up and histological results of the biopsy or surgery will be used as standard of reference 5 years
Primary Population D: number of participants with suspected rupture of breast implants diagnosed with ABUS compared to breast MRI diagnosis sensitivity and specificity of a new ABUS system in the assessment of breast implants integrity. Breast MRI will be used as standard of reference 5 years
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