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Breast Carcinoma in Situ clinical trials
3 of 3 indexed Breast Carcinoma in Situ trials are currently recruiting.
Corpus placement: #5,209 of 28,707 conditions by registered trial count.
3 US clinical trials · 3 currently recruiting · #5,209 of 28,707 conditions by registered trial count
Breast Carcinoma in Situ: 3 US clinical trials tracked, 3 recruiting.
Breast Carcinoma in Situ is the subject of 3 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. The most active sponsor is Saint John's Cancer Institute, running 1 of these trials.
Enrollment posture brief
Registry condition breast-carcinoma-in-situ
OPEN 3 | RECR 100% | LATE 0 | EARLY 0 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Aortic Arch Aneurysm (100% recruiting · 5 trials)
Breast Carcinoma in Situ lists 3 open slots (100% of 3 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Breast Carcinoma in Situ on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Breast Carcinoma in Situ is recruiting above its size-band peers.
3 of 3 indexed trials (100%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
Open and recent trials
3 total, page 1 of 1
Women Informed to Screen Depending on Measures of Risk (Wisdom Study)
University of California, San Francisco
NCT02620852
Registry for Intra-Operative Radiotherapy During Breast Conserving Surgery in Patients With Early Stage Breast Cancer
Saint John's Cancer Institute
NCT04603209
EXERT-BCH Exercise Regimen to Improve Muscle Mass After Treatment of Breast Cancer
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
NCT06115486
Phase Distribution
Phase data not available
Top Sponsors
Named interventions
Most-linked intervention names on Breast Carcinoma in Situ records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Breast Carcinoma in Situ trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Breast Carcinoma in Situ page
3 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Breast Carcinoma in Situ trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Saint John's Cancer Institute sponsors the most Breast Carcinoma in Situ trials on record, review their full trial history before evaluating a specific study. See Saint John's Cancer Institute's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Breast Carcinoma in Situ condition card totals 3 registered trials; most-linked intervention Experimental Arm 6-12-25 repetitions per set; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.