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Primary Brain Tumor: early-phase trial registry
5 of 8 indexed Primary Brain Tumor trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #2,176 of 28,707 conditions by registered trial count.
8 US clinical trials · 5 currently recruiting · #2,176 of 28,707 conditions by registered trial count
Primary Brain Tumor: 8 US clinical trials tracked, 5 recruiting.
Primary Brain Tumor is the subject of 8 registered US clinical trials on ClinicalTrials.gov, 5 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Theodore S. Johnson, running 1 of these trials.
Enrollment posture brief
Registry condition primary-brain-tumor
OPEN 5 | RECR 63% | LATE 0 | EARLY 2 | RANK #2176 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adolescent (63% recruiting · 16 trials)
Primary Brain Tumor lists 5 open slots (63% of 8 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 Primary Brain Tumor 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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Primary Brain Tumor is recruiting above its size-band peers.
5 of 8 indexed trials (62.5%) 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.
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Sponsorship of Primary Brain Tumor trials is spread across many organizations.
Theodore S. Johnson accounts for 1 of 8 trials (12.5%). 8 distinct sponsors appear on at least one study for this condition label.
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Most Primary Brain Tumor trials plan to enrol fewer than 100 people.
Median target enrolment is 44 among the 8 trials that report a genuine target (sentinel values excluded). 6 of those (75%) plan for fewer than 100 participants.
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Primary Brain Tumor splits between interventional and observational designs.
5 interventional and 3 observational studies make up this index (62.5% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
8 total, page 1 of 1
Longitudinal Prospective Study of Neurocognition & Neuroimaging in Primary BT Patients
Jona Hattangadi-Gluth
NCT05576103
HOBSCOTCH-CA (HOme-Based Self-management and COgnitive Training CHanges Lives in Brain CAncer)
Dartmouth-Hitchcock Medical Center
NCT06930846
Assessment of Eloquent Function in Brain Tumor Patients
University of Nebraska
NCT01535430
Chemo-immunotherapy Using Ibrutinib Plus Indoximod for Patients With Pediatric Brain Cancer
Theodore S. Johnson
NCT05106296
Non-invasive Glioma Characterization Through Molecular Imaging
University of Miami
NCT03684109
Evaluation of Fluoxetine and Cytotoxic Lysosomal Stress in Glioma (FLIRT)
Duke University
NCT05634707
CBT for Insomnia in Primary Brain Tumor Patients
Virginia Commonwealth University
NCT04919993
Diffusion Tensor MRI to Distinguish Brain Tumor Recurrence From Radiation Necrosis
National Institute of Neurological Disorders and Stroke (NINDS)
NCT00285324
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Primary Brain Tumor records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Primary Brain Tumor 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 Primary Brain Tumor page
8 registered trials, 5 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 5 Primary Brain Tumor trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Theodore S. Johnson sponsors the most Primary Brain Tumor trials on record, review their full trial history before evaluating a specific study. See Theodore S. Johnson'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 Primary Brain Tumor condition card totals 8 registered trials; most-linked intervention Cognitive Behavioral Therapy-Insomnia; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.