Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Breast Tumors: early-phase trial registry
1 of 4 indexed Breast Tumors trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #4,115 of 28,707 conditions by registered trial count.
4 US clinical trials · 1 currently recruiting · #4,115 of 28,707 conditions by registered trial count
Breast Tumors: 4 US clinical trials tracked, 1 recruiting.
Breast Tumors is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is QuantumLeap Healthcare Collaborative, running 1 of these trials.
Enrollment posture brief
Registry condition breast-tumors
OPEN 1 | RECR 25% | LATE 0 | EARLY 1 | RANK #4115 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Abdominal Cancer (25% recruiting · 8 trials)
Breast Tumors lists 1 open slots (25% of 4 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 Tumors 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 Tumors is recruiting below its size-band peers.
1 of 4 indexed trials (25%) 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
4 total, page 1 of 1
I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer
QuantumLeap Healthcare Collaborative
NCT01042379
Evaluating and Comparing Two Surgical Methods for Treatment of Early Stage Breast Cancer
Emory University
NCT01271738
Ultrasound and Near Infrared Imaging for Predicting and Monitoring Neoadjuvant Treatment
Washington University School of Medicine
NCT02891681
Simulated Screening Study for Breast Imaging
University of Michigan
NCT01807754
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Breast Tumors records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Breast Tumors 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 Tumors page
4 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Breast Tumors trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- QuantumLeap Healthcare Collaborative sponsors the most Breast Tumors trials on record, review their full trial history before evaluating a specific study. See QuantumLeap Healthcare Collaborative'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 Tumors condition card totals 4 registered trials; most-linked intervention Photoacoustic imaging scans for breast cancer screening; top US site state Michigan. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.