Breast carcinoma in situ
MONDO:0004658A in situ carcinoma that involves the breast.
Also known as: breast cancer in situ, breast cancer stage 0, breast carcinoma in situ, breast in situ carcinoma, carcinoma in situ of breast, carcinoma in situ of the breast, in situ breast cancer, non-infiltrating breast carcinoma
3004 clinical trials for this condition and its sub-types, 76 tagged with Breast carcinoma in situ itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Breast carcinoma in situ
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Ductal breast carcinoma in situ 152 trials
1 sub-type
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Lobular neoplasia 4 trials · 30 incl. sub-types
2 sub-types
- Lobular breast carcinoma in situ 27 trials
- Atypical lobular breast hyperplasia 11 trials
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Breast apocrine carcinoma in situ 0 trials
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New hope for chemo-resistant breast cancer? trial tests immune-boosting drug
Disease control Stopped earlyThis study looked at whether the drug abemaciclib could help people with triple negative breast cancer that didn't respond to standard chemotherapy. The goal was to see if the drug could change the tumor's immune environment to make it more attackable by the body's defenses. The …
Phase 2 • Sponsor: Mayo Clinic • Aim: Disease control
Last updated Jun 27, 2026 07:57 UTC
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Breast cancer prevention study halted: tamoxifen pill vs. gel tested
Prevention Stopped earlyThis study aimed to see if a tamoxifen skin gel could work as well as the pill to lower breast cancer risk in women with certain high-risk breast conditions. The trial enrolled 65 women and compared short-term changes in breast tissue. However, the study was terminated early, so …
Phase 2 • Sponsor: Mayo Clinic • Aim: Prevention
Last updated Sep 03, 2026 00:00 UTC
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Genetic test aims to improve breast cancer decisions for black and hispanic women
Knowledge-focused Stopped earlyThis study looked at whether adding a polygenic risk score (a genetic test) to standard breast cancer risk tools helps African American and Hispanic women make better decisions about screening and prevention. Researchers enrolled 19 women at higher risk for breast cancer. The stu…
Sponsor: Mayo Clinic • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:28 UTC