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ClinicalTrials.gov 4 recruiting now early-phase tilt small index

Refractory Follicular Lymphoma: early-phase trial registry

4 of 11 indexed Refractory Follicular Lymphoma trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #1,577 of 28,707 conditions by registered trial count.

11 US clinical trials · 4 currently recruiting · #1,577 of 28,707 conditions by registered trial count

Refractory Follicular Lymphoma: 11 US clinical trials tracked, 4 recruiting.

Refractory Follicular Lymphoma is the subject of 11 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 10 in Phase 1-2 (earlier-stage). The most active sponsor is National Cancer Institute (NCI), running 4 of these trials.

Enrollment posture brief

Registry condition refractory-follicular-lymphoma

OPEN 4 | RECR 36% | LATE 1 | EARLY 10 | RANK #1577 | SPON 4

Nearest open-share peer: Blast Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive (36% recruiting · 11 trials)

Acute Pancreatitis81.8%Acute Stroke45.5%Acquired Brain Injury36.4%Refractory Follicular Ly (th…36%Acute Lung Injury9.1%
Open-enrollment share among volume-matched conditions near Refractory Follicular Lymphoma

Refractory Follicular Lymphoma lists 4 open slots (36% of 11 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 Refractory Follicular 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. Refractory Follicular Lymphoma is recruiting below its size-band peers.

    4 of 11 indexed trials (36.4%) 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 Refractory Follicular Lymphoma research.

    National Cancer Institute (NCI) accounts for 4 of 11 trials (36.4%). 7 distinct sponsors appear on at least one study for this condition label.

  3. Most Refractory Follicular Lymphoma trials plan to enrol fewer than 100 people.

    Median target enrolment is 41 among the 11 trials that report a genuine target (sentinel values excluded). 9 of those (81.8%) plan for fewer than 100 participants.

  4. Refractory Follicular Lymphoma research is mostly interventional.

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

Phase 15Phase 25Phase 31

Open and recent trials

11 total, page 1 of 1

RECRUITING Phase 3 612 participants

A Study to Assess the Efficacy, Safety, Pharmacodynamics, and Pharmacokinetics of Tazemetostat in Combination With Lenalidomide Plus Rituximab Versus Placebo in Combination With Lenalidomide Plus Rituximab in Adult Patients at Least 18 Years of Age With Relapsed/Refractory Follicular Lymphoma.

Epizyme

NCT04224493

RECRUITING Phase 2 40 participants

Loncastuximab Tesirine for the Treatment of Relapsed or Refractory B-Cell Malignancies

University of Washington

NCT05453396

RECRUITING Phase 2 23 participants

Brentuximab Vedotin and Bendamustine for the Treatment of Relapsed or Refractory Follicular Lymphoma

Joseph Tuscano

NCT04587687

RECRUITING Phase 2 22 participants

Pirtobrutinib and Mosunetuzumab for the Treatment of Relapsed/Refractory Grades 1-3A Follicular Lymphoma, PROMOTE-FL Trial

University of Washington

NCT06948786

ACTIVE NOT RECRUITING Phase 1 112 participants

A Study of BGB-21447, a Bcl-2 Inhibitor, in Mature B-Cell Malignancies

BeOne Medicines

NCT05828589

ACTIVE NOT RECRUITING Phase 2 73 participants

Obinutuzumab With or Without Umbralisib, Lenalidomide, or Combination Chemotherapy in Treating Patients With Relapsed or Refractory Grade I-IIIa Follicular Lymphoma

National Cancer Institute (NCI)

NCT03269669

ACTIVE NOT RECRUITING Phase 1 53 participants

A Phase I/II Study to Evaluate the Safety of Cellular Immunotherapy Using Autologous T Cells Engineered to Express a CD20-Specific Chimeric Antigen Receptor for Patients With Relapsed or Refractory B Cell Non-Hodgkin Lymphomas

Fred Hutchinson Cancer Center

NCT03277729

ACTIVE NOT RECRUITING Phase 1 48 participants

Testing the Safety of the Anti-cancer Drugs Tazemetostat and Belinostat in Patients With Lymphomas That Have Resisted Treatment

National Cancer Institute (NCI)

NCT05627245

ACTIVE NOT RECRUITING Phase 2 41 participants

Ibrutinib in Treating Patients With Relapsed or Refractory Follicular Lymphoma

National Cancer Institute (NCI)

NCT01849263

ACTIVE NOT RECRUITING Phase 1 39 participants

Lenalidomide and Ibrutinib in Treating Patients With Relapsed or Refractory B-Cell Non-Hodgkin Lymphoma

National Cancer Institute (NCI)

NCT01955499

ACTIVE NOT RECRUITING Phase 1 4 participants

An Early Phase Study of Venetoclax, Lenalidomide, and Rituximab/Hyaluronidase in Slow-Growing Lymphomas That Have Come Back After Treatment or Have Not Responded to Treatment

Thomas Jefferson University

NCT04447716

Phase Distribution

PhaseTrial count
Phase 1 5
Phase 2 5
Phase 3 1

Named interventions

Most-linked intervention names on Refractory Follicular Lymphoma records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Computed Tomography Procedure
4 trials
Biospecimen Collection Procedure
4 trials
Biopsy Procedure Procedure
3 trials
Bendamustine Hydrochloride Drug
2 trials
Ibrutinib Drug
2 trials
Laboratory Biomarker Analysis Other
2 trials
Cyclophosphamide Drug
2 trials
Rituximab and Hyaluronidase Human Biological
1 trials

US sites by state

Facility locations filed on Refractory Follicular Lymphoma trials. A trial with sites in several states counts in each.

California 4 trials
Washington 3 trials
Arizona 3 trials
Pennsylvania 2 trials
Ohio 2 trials
New York 2 trials
Florida 2 trials
Wisconsin 1 trials

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

What to do with this Refractory Follicular Lymphoma page

11 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

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 Refractory Follicular Lymphoma condition card totals 11 registered trials; most-linked intervention Computed Tomography; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.