- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04145817
Breast Cancer Risk After Diagnostic Gene Sequencing (BRIDGEScohort2)
Clinical Application of the European Horizon 2020 Research Project "BRIDGES" - Study of the Psychological Impact of Breast Cancer Risk Communication in Cancer Genetics Based on the Personalized Estimation of the BOADICEA V5/PLUS Model
Study Overview
Status
Conditions
Detailed Description
The new BC gene testing and risk estimation using BOADICEA V5/PLUS model imply an increased complexity of communication during the cancer genetic consultation. It will be proposed to women referred to genetic counselling in the participating Cancer Genetic Clinics .
New qualitative (moderate risks, secondary results) and quantitative results (variation in the degree of cancer risk identified for the counselee and family members) and thus a personalized breast cancer risk may be obtained. How this complexity affects counselees' psychological reactions is not known.
It is primarily aimed at comparing psychosocial needs and distress in healthy women (unaffected with BC) at high risk of breast or ovarian cancer undergoing genetic testing based on an enriched gene panel (index case gene panel plus PRS) at Curie Institute in France and at the University Hospital in Cologne, Germany.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Healthy woman, relative of a family member first tested (index case) who received a positive genetic test result (presence of a BRCA1 or BRCA2 deleterious variant or a moderate-penetrance BC gene deleterious variant) ;
a. at Cologne University Hospital (Germany), these healthy women may also be relatives of women (index case) who received a negative non-informative test result;
- Who accept BRIDGES gene panel testing and the breast cancer risk PRS;
- Aged 18 years or over with no upper limit;
- Able to give informed written consent in accordance with national/local regulations and procedures;
- Able to understand the questionnaire language of the participating genetic clinic.
Exclusion Criteria:
- Woman affected with BC, with recurrent BC, with metastatic BC, with an ovarian cancer (OC) or cancer of any other site;
- Aged under 18 years old;
- Unable to give informed written consent;
- Unable to understand the questionnaire language of the participating clinic;
- Unable to answer the questionnaire due to physical or cognitive disturbance
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: genetic counselling
Genetic counselling (PRS for risk estimation) and questionnaires in the participating Cancer Genetic Clinics for healthy woman relative of a person first tested in the family (index case) who received a positive genetic test result or a negative non-informative test result
|
The "Breast and Ovarian Analysis of Disease Incidence and Carrier Estimation Algorithm-BOADICEAV5/PLUS" predicts lifetime and age-specific breast cancer (BC) risks on the basis of family history, all known BC genes test-results, common single nucleotide polymorphisms (SNPs) combined in a PRS, and other non-genetic risk factors.
This model is developed within the BRIDGES consortium.
The "Breast and Ovarian Analysis of Disease Incidence and Carrier Estimation Algorithm-BOADICEAV5/PLUS" predicts lifetime and age-specific breast cancer (BC) risks on the basis of family history, all known BC genes test-results, common single nucleotide polymorphisms (SNPs) combined in a PRS, and other non-genetic risk factors.
This model is developed within the BRIDGES consortium.
Self-administered questionnaires for counselees to evaluate Psychosocial Aspects of Hereditary Cancer (PAHC), Breast Cancer risk perception adequacy, risk communication within the family and cancer risk management choice,
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Psychosocial Assessment in Hereditary Cancer questionnaire (PAHC).
Time Frame: Up to 6 months
|
Breast or ovarian cancer risk perception (the impact of communicating a personalized breast cancer risk using the BOADICEAV5/PLUS model) using a PAHC questionnaire.
Questionnaire items are responded on a 4-level scale from 1 (Not at all) to 4 (Very much).
Item response scores are averaged and standardized on a 0 to 100 scale, with an increased value indication more severe difficulties.
|
Up to 6 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Difference on the PAHC score between counselees who receive a pathogenic variant indicating breast cancer versus (VS) who did not receive such result
Time Frame: Up to 6 months
|
Counselee's perceived lifetime risks of developing (a first or second) BC will be measured at T2 in words (Not concerned, Don't know, Low risk, Low to moderate risk, Moderate risk, High risk, Very high risk, Major Risk) and in figures (Not concerned, Don't know, 0-10%; between 11-20%, 21-40%, 41-60%, 61-80% and over 80%).
|
Up to 6 months
|
Percentage of counselees intending to undertake risk reducing mastectomy (the one who received a pathogenic variant VS who did not receive such result)
Time Frame: Up to 6 months
|
Counselees' choice of cancer risk management will be assessed using a study-specific self-administered questionnaire based on the literature [Julian-Reynier, 2010] asking about women's intention or choice to undergo regular mammography, regular breast ultrasound, MRI or preventive mastectomy on a 6-option response scale (Yes, certainly; Yes, probably; I don't know; No, probably not; No, certainly not; Not concerned).
|
Up to 6 months
|
Percentage of counselees who communicate their result to their sister(s) (the one who received a pathogenic variant VS who did not receive such result)
Time Frame: Up to 6 months
|
It will be assessed using a study-specific self-administered questionnaire based on the literature [de Geus, 2015] asking about women's whether they informed about genetic testing among her husband/partner, children, mother, father, sister(s), brother(s), friend(s) or other family member(s) using a 4, 5 or 5-option response scale depending on the person (Yes, I informed him/her/them; No, but I plan to do it; No (no partner); No; Yes all of them; Yes, some of them; No (children too young); No (no children/brother/sister); No (mother/father deceased).
|
Up to 6 months
|
Collaborators and Investigators
Sponsor
Investigators
- Study Chair: Pierre FUMOLEAU, MD, Institut Curie
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IC 2018-08
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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