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ClinicalTrials.gov 9 recruiting now early-phase tilt small index

Primary Central Nervous System Lymphoma: early-phase trial registry

9 of 13 indexed Primary Central Nervous System Lymphoma trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #1,315 of 28,707 conditions by registered trial count.

13 US clinical trials · 9 currently recruiting · #1,315 of 28,707 conditions by registered trial count

Primary Central Nervous System Lymphoma: 13 US clinical trials tracked, 9 recruiting.

Primary Central Nervous System Lymphoma is the subject of 13 registered US clinical trials on ClinicalTrials.gov, 9 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 13 in Phase 1-2 (earlier-stage). The most active sponsor is Dana-Farber Cancer Institute, running 2 of these trials.

Enrollment posture brief

Registry condition primary-central-nervous-system-lymphoma

OPEN 9 | RECR 69% | LATE 0 | EARLY 13 | RANK #1315 | SPON 2

Nearest open-share peer: Ankle Fractures (69% recruiting · 13 trials)

Primary Central Nervous (th…69%ACL Injury61.5%Acute Biphenotypic Leukemia46.2%Accidental Falls30.8%Actinic Keratoses23.1%
Open-enrollment share among volume-matched conditions near Primary Central Nervous System Lymphoma

Primary Central Nervous System Lymphoma lists 9 open slots (69% of 13 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 Central Nervous System 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.

  1. Primary Central Nervous System Lymphoma is recruiting above its size-band peers.

    9 of 13 indexed trials (69.2%) 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.

  2. One sponsor concentrates Primary Central Nervous System Lymphoma research.

    Dana-Farber Cancer Institute accounts for 2 of 13 trials (15.4%). 11 distinct sponsors appear on at least one study for this condition label.

  3. Most Primary Central Nervous System Lymphoma trials plan to enrol fewer than 100 people.

    Median target enrolment is 26 among the 13 trials that report a genuine target (sentinel values excluded). 12 of those (92.3%) plan for fewer than 100 participants.

  4. Primary Central Nervous System Lymphoma research is mostly interventional.

    13 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 19Phase 24

Open and recent trials

13 total, page 1 of 1

RECRUITING Phase 1 93 participants

Phase 1 Study of Ibrutinib and Immuno-Chemotherapy Using Temozolomide, Etoposide, Doxil, Dexamethasone, Ibrutinib,Rituximab (TEDDI-R) in Primary CNS Lymphoma

National Cancer Institute (NCI)

NCT02203526

RECRUITING Phase 1 37 participants

Pembrolizumab, Ibrutinib and Rituximab in PCNSL

Dana-Farber Cancer Institute

NCT04421560

RECRUITING Phase 1 35 participants

Tafasitamab Plus Lenalidomide in Relapsed CNS Lymphoma

James Rubenstein

NCT05351593

RECRUITING Phase 2 28 participants

Maintenance Obinutuzumab in Treating Patients With Central Nervous System Lymphoma Who Have Achieved a Complete or Partial Response

Providence Health & Services

NCT06175000

RECRUITING Phase 1 26 participants

A Study of Epcoritamab and Ibrutinib in People With Central Nervous System Lymphoma (CNSL)

Memorial Sloan Kettering Cancer Center

NCT07082868

RECRUITING Phase 2 25 participants

Paxalisib (GDC-0084) In Recurrent Or Refractory PCNSL

Lakshmi Nayak, MD

NCT04906096

RECRUITING Phase 1 20 participants

Glofitamab With Obinutuzumab Pre-treatment for the Treatment of Central Nervous System Lymphoma

City of Hope Medical Center

NCT06922604

RECRUITING Phase 2 15 participants

Zanubrutinib With Pemetrexed to Treat Relapsed/Refractory Primary and Secondary Central Nervous System (CNS) Lymphomas

Baptist Health South Florida

NCT05681195

RECRUITING Phase 1 15 participants

Pembrolizumab + Chemotherapy in Newly Diagnosed PCNSL

Dana-Farber Cancer Institute

NCT06475235

ACTIVE NOT RECRUITING Phase 1 25 participants

Acalabrutinib and Durvalumab in Primary and Secondary Central Nervous System Lymphoma

Washington University School of Medicine

NCT04462328

COMPLETED Phase 1 271 participants

Study of CC-122 to Evaluate the Safety, Tolerability, and Effectiveness for Patients With Advanced Solid Tumors, Non-Hodgkin's Lymphoma, or Multiple Myeloma

Celgene

NCT01421524

COMPLETED Phase 1 39 participants

Study of the Efficacy and Safety of Ublituximab in Patients With Relapsed or Refractory B-cell Non-Hodgkin Lymphoma

TG Therapeutics

NCT01647971

COMPLETED Phase 2 4 participants

Buparlisib (BKM120) In Patients With Recurrent/Refractory Primary Central Nervous System Lymphoma (PCNSL) and Recurrent/Refractory Secondary Central Nervous System Lymphoma (SCNSL)

Memorial Sloan Kettering Cancer Center

NCT02301364

Phase Distribution

PhaseTrial count
Phase 1 9
Phase 2 4

Named interventions

Most-linked intervention names on Primary Central Nervous System Lymphoma records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Rituximab Drug
2 trials
Pembrolizumab Drug
2 trials
Buparlisib (BKM120) Drug
1 trials
CC-122 Drug
1 trials
Quality of Life Assessment Other
1 trials
TEDD Drug
1 trials
TEDDI Drug
1 trials
Isavuconazole Drug
1 trials

US sites by state

Facility locations filed on Primary Central Nervous System Lymphoma trials. A trial with sites in several states counts in each.

New York 6 trials
New Jersey 4 trials
Massachusetts 3 trials
California 3 trials
Washington 2 trials
Tennessee 2 trials
Ohio 2 trials
Maryland 2 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Primary Central Nervous System Lymphoma page

13 registered trials, 9 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 9 Primary Central Nervous System Lymphoma trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Dana-Farber Cancer Institute sponsors the most Primary Central Nervous System Lymphoma trials on record, review their full trial history before evaluating a specific study. See Dana-Farber Cancer Institute'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 Central Nervous System Lymphoma condition card totals 13 registered trials; most-linked intervention Rituximab; 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.