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Ovarian cancer is the gynecological malignancy with the highest fatality rate, seriously threatening the life and health of women. One of the main reasons for its high fatality rate is that approximately 70% of patients are diagnosed at an advanced stage. Fortunately, about 1/5 of ovarian cancers are associated with genetic factors, providing us with an opportunity to screen high-risk populations and thereby prevent and diagnose the disease at an early stage and reduce the disease burden.
Currently, research related to hereditary ovarian cancer in China is still very scarce, and clinical practice relies on data from foreign studies. However, hereditary tumors have distinct regional and ethnic characteristics, making it urgent to conduct clinical research based on the Chinese population to guide clinical practice in China. Current research suggests that approximately 50% - 60% of hereditary ovarian cancers are closely related to the BRCA1/2 genes. Therefore, accurately assessing the risk of ovarian cancer in BRCA1/2 germline mutation carriers is of great significance for the prevention and treatment of hereditary ovarian cancer.
This study will adopt a multicenter ambispective cohort study design to comprehensively collect and analyze the clinical characteristics, family characteristics, gene mutation characteristics, and lifestyle data of BRCA1/2 germline mutation carriers. For family members who have not yet developed ovarian cancer at the time of enrollment, telephone follow-ups will be conducted once a year to longitudinally monitor ovarian cancer incidence and to collect diagnostic evidence.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Members of ovarian cancer families carrying BRCA1/2 germline mutations | Members of ovarian cancer families carrying BRCA1/2 germline mutations，telephone follow-ups will be conducted once a year to longitudinally monitor ovarian cancer incidence and to collect diagnostic evidence. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| risk-reducing salpingo-oophorectomy (RRSO) | Procedure | The proportion of BRCA1/2 germline mutation carriers in the high-risk population of ovarian cancer who undergo risk-reducing salpingo-oophorectomy (RRSO). RRSO refers to the preventive surgical removal of both fallopian tubes and ovaries to reduce the risk of ovarian cancer, fallopian tube cancer, and peritoneal cancer. |
| Measure | Description | Time Frame |
|---|---|---|
| The age at which pathologically diagnosed with ovarian malignant tumors (ICD-10 C56) | The age at which pathologically diagnosed with ovarian malignant tumors (ICD-10 C56) | From enrollment to the end of follow-up at 5 years |
| Measure | Description | Time Frame |
|---|---|---|
| Acceptance rate of risk-reducing salpingo-oophorectomy (RRSO) among BRCA1/2 mutation carriers | The proportion of BRCA1/2 germline mutation carriers in the high-risk population of ovarian cancer who undergo risk-reducing salpingo-oophorectomy (RRSO). RRSO refers to the preventive surgical removal of both fallopian tubes and ovaries to reduce the risk of ovarian cancer, fallopian tube cancer, and peritoneal cancer. |
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Inclusion Criteria:
Pathologically diagnosed with ovarian malignant tumor.
Identified as carriers of BRCA1/2 germline pathogenic or likely pathogenic mutations through genetic testing, in accordance with the "Standards and Guidelines for the Interpretation of Sequence Variants" (2015 Edition) of the American College of Medical Genetics and Genomics (ACMG).
Exclusion Criteria:
Only women can develop ovarian cancer
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This study will adopt a multicenter ambispective cohort study design to comprehensively collect and analyze the clinical characteristics, family characteristics, gene mutation characteristics, and lifestyle data of BRCA1/2 germline mutation carriers. For family members who have not yet developed ovarian cancer at the time of enrollment, telephone follow-ups will be conducted once a year to longitudinally monitor ovarian cancer incidence and to collect diagnostic evidence.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Yuan Li | Contact | 18610689868 | yuanli@bjmu.edu.cn |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Peking University Third Hospital | Recruiting | Beijing | Beijing Municipality | 100191 | China |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP_ICF | Yes | Yes | Yes | Study Protocol, Statistical Analysis Plan, and Informed Consent Form | May 19, 2025 |
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Participants in this study will have 4ml of peripheral blood collected for genetic testing
|
| From enrollment to the end of follow-up at 5 years |
| Jun 6, 2025 |
| Prot_SAP_ICF_000.pdf |
| ID | Term |
|---|---|
| D061325 | Hereditary Breast and Ovarian Cancer Syndrome |
| ID | Term |
|---|---|
| D001943 | Breast Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D010051 | Ovarian Neoplasms |
| D004701 | Endocrine Gland Neoplasms |
| D009386 | Neoplastic Syndromes, Hereditary |
| D010049 | Ovarian Diseases |
| D000291 | Adnexal Diseases |
| D005831 | Genital Diseases, Female |
| D052776 | Female Urogenital Diseases |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
| D005833 | Genital Neoplasms, Female |
| D014565 | Urogenital Neoplasms |
| D000091662 | Genital Diseases |
| D030342 | Genetic Diseases, Inborn |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D001941 | Breast Diseases |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D004700 | Endocrine System Diseases |
| D006058 | Gonadal Disorders |
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