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| ID | Type | Description | Link |
|---|---|---|---|
| NCI-2025-04494 | Registry Identifier | CTRP (Clinical Trial Reporting Program) | |
| 1B-25-1 | Other Identifier | USC / Norris Comprehensive Cancer Center | |
| P30CA014089 | U.S. NIH Grant/Contract | View source |
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| Name | Class |
|---|---|
| National Cancer Institute (NCI) | NIH |
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This study assesses breast cancer screening adherence for women at moderately increased risk for developing breast cancer based on gene mutation status or empiric risk model estimates. It also seeks to determine facilitators and barriers to screening.
PRIMARY OBJECTIVE:
I. Among women without a history of breast cancer: to compare women with moderate risk breast cancer gene mutations (Mutation Carrier Group) to women with a 20-40% empiric lifetime risk of breast cancer (Empiric Risk Group) in terms of how likely they are to undergo recommended breast MRI screening.
OUTLINE: This is an observational study.
Patients complete a questionnaire and have their medical records reviewed on study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Observational | Patients complete a questionnaire and have their medical records reviewed on study. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Non-Interventional Study | Other | Non-interventional study |
|
| Measure | Description | Time Frame |
|---|---|---|
| Proportion of women who undergo a screening breast MRI within 12 months of genetic test counseling | Will be calculated for each of the 4 Hospital-by-Age subgroups for the 2 risk groups; then a one-sided, α=0.05 Mantel Haenszel test, stratifying by hospital and age, will be used to compare the Mutation Carrier Risk and the Empiric Risk groups in terms of adherence to screening MRI. Homogeneity of odds ratios will be tested to ensure that difference (odds ratio) between the two risk groups is fairly consistent across the 4 strata. | Up to 2 years |
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Inclusion Criteria:
* >= 30 years
=< 75 years
Women with either:
Patients provided breast cancer risk assessments by genetic counselors at USC Norris or LA General Hospital beginning in 2021 and at least 12 months ago
Women recommended to undergo annual breast MRI and/or annual mammogram beginning at the time of their genetic counseling risk assessment
English or Spanish speaking patients
Exclusion Criteria:
* History of breast cancer before genetic counseling at University of Southern California (USC)
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Women provided with a breast cancer risk assessment by genetic counselors at USC Norris or LA General Hospital with either genetic test results showing moderately increased breast cancer risk due to a pathogenic/likely pathogenic variant in ATM, CHEK2, BARD1, RAD51C, or RAD51D or a calculated lifetime breast cancer risk estimates between 20% and 40% according to the Tyrer-Cuzick V8.0B empiric risk model who are recommended to undergo annual breast MRI and/or annual mammogram.
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| Name | Affiliation | Role |
|---|---|---|
| Jacob Comeaux | University of Southern California | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Los Angeles General Medical Center | Recruiting | Los Angeles | California | 90033 | United States |
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| ID | Term |
|---|---|
| D001943 | Breast Neoplasms |
| ID | Term |
|---|---|
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D001941 | Breast Diseases |
| D012871 | Skin Diseases |
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| USC / Norris Comprehensive Cancer Center | Recruiting | Los Angeles | California | 90033 | United States |
|
| D017437 |
| Skin and Connective Tissue Diseases |