Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Metastatic Malignant Neoplasm of Unknown Primary: early-phase trial registry
A small indexed set (2 trials) with no open enrollment listed right now.
Corpus placement: #7,188 of 28,707 conditions by registered trial count.
2 US clinical trials · none currently recruiting · #7,188 of 28,707 conditions by registered trial count
Metastatic Malignant Neoplasm of Unknown Primary: 2 US clinical trials tracked, none currently recruiting.
Metastatic Malignant Neoplasm of Unknown Primary is the subject of 2 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is M.D. Anderson Cancer Center, running 1 of these trials.
Enrollment posture brief
Registry condition metastatic-malignant-neoplasm-of-unknown-primary
OPEN 0 | RECR 0% | LATE 0 | EARLY 2 | RANK #7188 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Metastatic Malignant Neoplasm of Unknown Primary has no open enrollment in this registry pull (2 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Metastatic Malignant Neoplasm of Unknown Primary 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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Metastatic Malignant Neoplasm of Unknown Primary is recruiting below its size-band peers.
0 of 2 indexed trials (0%) 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.
Indexed trials (enrollment closed)
2 total, page 1 of 1
Thermal Ablation and Spine Stereotactic Radiosurgery in Treating Patients With Spine Metastases at Risk for Compressing the Spinal Cord
M.D. Anderson Cancer Center
NCT02713269
Pro-Active Genetic Testing in Patients With Solid Tumors, Inherit Study
Mayo Clinic
NCT04456140
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Metastatic Malignant Neoplasm of Unknown Primary records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Metastatic Malignant Neoplasm of Unknown Primary 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 Metastatic Malignant Neoplasm of Unknown Primary page
2 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Metastatic Malignant Neoplasm of Unknown Primary trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- M.D. Anderson Cancer Center sponsors the most Metastatic Malignant Neoplasm of Unknown Primary trials on record, review their full trial history before evaluating a specific study. See M.D. Anderson Cancer Center'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 Metastatic Malignant Neoplasm of Unknown Primary condition card totals 2 registered trials; most-linked intervention Thermal Ablation Therapy; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.