Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Primary CNS Lymphoma: 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
Primary CNS Lymphoma: 2 US clinical trials tracked, none currently recruiting.
Primary CNS Lymphoma 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 Ono Pharmaceutical Co., running 1 of these trials.
Enrollment posture brief
Registry condition primary-cns-lymphoma
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)
Primary CNS Lymphoma 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 Primary CNS Lymphoma 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 CNS Lymphoma 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
Study of Tirabrutinib (ONO-4059) in Patients With Primary Central Nervous System Lymphoma (PROSPECT Study)
Ono Pharmaceutical Co.
NCT04947319
19(T2)28z1xx Chimeric Antigen Receptor (CAR) T Cells in People With B-Cell Cancers
Memorial Sloan Kettering Cancer Center
NCT04464200
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Primary CNS Lymphoma records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Primary CNS Lymphoma 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 CNS Lymphoma page
2 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Primary CNS Lymphoma trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Ono Pharmaceutical Co. sponsors the most Primary CNS Lymphoma trials on record, review their full trial history before evaluating a specific study. See Ono Pharmaceutical Co.'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 CNS Lymphoma condition card totals 2 registered trials; most-linked intervention 19(T2)28z1xx CAR T cells; top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.