Hereditary breast ovarian cancer syndrome
MONDO:0003582An autosomal dominant inherited syndrome caused by mutations in the BRCA1 or BRCA2 genes. Patients are at high risk of developing breast cancer, particularly before the age of fifty, high risk of developing a second primary breast cancer, and high risk of developing both breast and ovarian cancer.
Also known as: BRCA1- and BRCA2-associated hereditary breast and ovarian cancer (HBOC), Hereditary Breast and Ovarian Cancer Syndrome, familial breast and ovarian cancer syndrome, familial breast/ovarian cancer (BRCA1, BRCA2), hereditary breast and ovarian cancer, hereditary breast and ovarian cancer syndrome, hereditary breast ovarian cancer syndrome, hereditary breast/ovarian cancer (BRCA1, BRCA2)
65 clinical trials for this condition and its sub-types.
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Broader categories
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New hope for tough breast cancers: drug combo targets tumors in body and brain
Disease control CompletedThis phase 2 trial tested whether adding the drug veliparib to standard chemotherapy (cisplatin) helps people with metastatic triple-negative or BRCA-related breast cancer, including those with brain metastases. The study enrolled 344 participants to see if the combination slows …
Phase: PHASE2 • Sponsor: National Cancer Institute (NCI) • Aim: Disease control
Last updated Jun 27, 2026 12:05 UTC
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Can a pill shield ears from chemo damage?
Prevention CompletedThis study tests whether the drug SENS-401 can prevent hearing loss caused by cisplatin, a common chemotherapy. Adults with cancer who are scheduled to receive cisplatin take SENS-401 before, during, and after treatment. Hearing is measured with a standard test to see if the drug…
Phase: PHASE2 • Sponsor: Sensorion • Aim: Prevention
Last updated Jul 04, 2026 00:00 UTC
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Texts and nudges may help more people get cancer genetic testing
Knowledge-focused CompletedThis study tested three types of messages to encourage genetic testing in 1,283 people at risk for hereditary breast and ovarian cancer. Participants received an electronic health record message, then a text message, then a doctor's reminder if needed. The goal was to see which a…
Phase: NA • Sponsor: Abramson Cancer Center at Penn Medicine • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Can a registry help more families get tested for cancer genes?
Knowledge-focused CompletedThis study looked at 545 people with hereditary cancer syndromes and their relatives. It compared the usual method of asking patients to share testing information with family members to a new method where a registry also sends reminders. The goal was to see if the registry-aided …
Phase: NA • Sponsor: National Cancer Centre, Singapore • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:03 UTC
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Peer coaching may ease distress for young women facing breast cancer risk
Knowledge-focused CompletedThis study looked at whether a 3-session peer coaching program over the phone could help young women (ages 21–30) who have a family history of BRCA mutations. The goal was to see if it reduces cancer-related distress and helps them make informed decisions about genetic counseling…
Phase: NA • Sponsor: Georgetown University • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:02 UTC
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Digital tool helps families navigate Kids' cancer risk
Knowledge-focused CompletedThis study tested whether digital care plans and text message reminders help families of children with cancer predisposition syndromes better understand their child's condition. Researchers enrolled 177 parents and measured changes in knowledge and how acceptable the digital tool…
Phase: NA • Sponsor: Children's Hospital of Philadelphia • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:37 UTC
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New digital platform aims to break the silence around hereditary cancer in families
Knowledge-focused CompletedThis study tested a digital health platform to help people with a hereditary risk of breast and ovarian cancer share their genetic test results with family members. Researchers worked with 128 participants in Switzerland and Korea to see if the tool reduced distress and improved …
Phase: NA • Sponsor: University of Basel • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:33 UTC
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Teens and parents share feelings on genetic risk results
Knowledge-focused CompletedThis study explored how teenagers and their parents react emotionally and mentally when they learn about genetic risks for conditions like hereditary breast cancer, Lynch syndrome, or high cholesterol. Researchers surveyed 162 participants using questionnaires and interviews to m…
Phase: EARLY_PHASE1 • Sponsor: Geisinger Clinic • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:05 UTC
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Can an online program help african american women learn their genetic cancer risk?
Knowledge-focused CompletedThis completed study tested whether an online self-guided program could effectively return genetic test results for hereditary breast and ovarian cancer to African American women. Over 900 women from the Black Women's Health Study were offered their results online or by printed m…
Phase: NA • Sponsor: Boston University • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:02 UTC
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Large study looks at how a 25-Gene cancer test affects patients and families
Knowledge-focused CompletedThis study looked at how a genetic test that checks 25 genes linked to hereditary cancers is used in clinics. Over 1,500 people with a personal or family history of cancer took part. Researchers collected blood samples and had participants fill out questionnaires over five years …
Sponsor: University of Southern California • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:06 UTC
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Immunotherapy side effects under the microscope: new study monitors autoantibodies
Knowledge-focused CompletedThis completed study followed 183 cancer patients starting checkpoint inhibitor therapy to see how often they develop autoantibodies—proteins that can mistakenly attack the body's own tissues. Researchers collected blood samples to track changes in several types of autoantibodies…
Sponsor: CHU de Reims • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:01 UTC
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Can genetic screening help prevent cancer in underserved communities?
Knowledge-focused CompletedThis study looked at whether offering exome sequencing (a detailed genetic test) along with tailored genetic counseling helps people at high risk for hereditary cancer syndromes understand their risk and take action. Nearly 1,000 adults from diverse backgrounds in Colorado and Or…
Phase: NA • Sponsor: Kaiser Permanente • Aim: Knowledge-focused
Last updated Jun 26, 2026 16:54 UTC
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Mailed DNA tests could help families catch cancer early
Knowledge-focused CompletedThis study looked at whether mailing at-home genetic testing kits to relatives of people with hereditary cancer gene variants could increase the number of relatives who get tested. Researchers compared this approach to usual care in 108 participants. The goal was to see if making…
Phase: NA • Sponsor: University of Texas Southwestern Medical Center • Aim: Knowledge-focused
Last updated Jun 26, 2026 13:30 UTC