Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Circulating Tumor Cells clinical trials
1 of 3 indexed Circulating Tumor Cells trials are currently recruiting.
Corpus placement: #5,209 of 28,707 conditions by registered trial count.
3 US clinical trials · 1 currently recruiting · #5,209 of 28,707 conditions by registered trial count
Circulating Tumor Cells: 3 US clinical trials tracked, 1 recruiting.
Circulating Tumor Cells is the subject of 3 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. The most active sponsor is Cytoastra, running 1 of these trials.
Enrollment posture brief
Registry condition circulating-tumor-cells
OPEN 1 | RECR 33% | LATE 0 | EARLY 0 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)
Circulating Tumor Cells lists 1 open slots (33% 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 Circulating Tumor Cells 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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Circulating Tumor Cells is recruiting below its size-band peers.
1 of 3 indexed trials (33.3%) 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
In Vivo Liquid Biopsy of Melanoma (Cytophone)
Cytoastra
NCT06488365
Liquid Biopsy Collection Study
University of Central Florida
NCT06068348
Investigation of Circulating Tumor Cells From Cancer Patients Undergoing Radiation Therapy
UNC Lineberger Comprehensive Cancer Center
NCT02449837
Phase Distribution
Phase data not available
Top Sponsors
Named interventions
Most-linked intervention names on Circulating Tumor Cells records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Circulating Tumor Cells 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 Circulating Tumor Cells page
3 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Circulating Tumor Cells trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Cytoastra sponsors the most Circulating Tumor Cells trials on record, review their full trial history before evaluating a specific study. See Cytoastra'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 Circulating Tumor Cells condition card totals 3 registered trials; most-linked intervention Cytophone; top US site state Wisconsin. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.