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ClinicalTrials.gov 5 recruiting now early-phase tilt small index

Refractory Small Lymphocytic Lymphoma: early-phase trial registry

5 of 9 indexed Refractory Small Lymphocytic Lymphoma trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #1,916 of 28,707 conditions by registered trial count.

9 US clinical trials · 5 currently recruiting · #1,916 of 28,707 conditions by registered trial count

Refractory Small Lymphocytic Lymphoma: 9 US clinical trials tracked, 5 recruiting.

Refractory Small Lymphocytic Lymphoma is the subject of 9 registered US clinical trials on ClinicalTrials.gov, 5 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 9 in Phase 1-2 (earlier-stage). The most active sponsor is Fred Hutchinson Cancer Center, running 2 of these trials.

Enrollment posture brief

Registry condition refractory-small-lymphocytic-lymphoma

OPEN 5 | RECR 56% | LATE 0 | EARLY 9 | RANK #1916 | SPON 2

Nearest open-share peer: Advanced Colorectal Cancer (56% recruiting · 9 trials)

Refractory Small Lymphoc (th…56%Acute Lymphoblastic Leukemia55.6%Acute Respiratory Distress S55.6%Acute Otitis Media22.2%Acute Heart Failure11.1%
Open-enrollment share among volume-matched conditions near Refractory Small Lymphocytic Lymphoma

Refractory Small Lymphocytic Lymphoma lists 5 open slots (56% of 9 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 Small Lymphocytic 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 Small Lymphocytic Lymphoma is recruiting above its size-band peers.

    5 of 9 indexed trials (55.6%) 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 Small Lymphocytic Lymphoma research.

    Fred Hutchinson Cancer Center accounts for 2 of 9 trials (22.2%). 6 distinct sponsors appear on at least one study for this condition label.

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

    Median target enrolment is 20 among the 9 trials that report a genuine target (sentinel values excluded). 7 of those (77.8%) plan for fewer than 100 participants.

  4. Refractory Small Lymphocytic Lymphoma research is mostly interventional.

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

Phase 12Phase 27

Open and recent trials

9 total, page 1 of 1

RECRUITING Phase 2 168 participants

Acalabrutinib and Venetoclax With or Without Early Obinutuzumab for the Treatment of High Risk, Recurrent, or Refractory Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

M.D. Anderson Cancer Center

NCT04169737

RECRUITING Phase 1 25 participants

CD19-Directed CAR-T Cell Therapy for the Treatment of Relapsed/Refractory B Cell Malignancies

Mayo Clinic

NCT04892277

RECRUITING Phase 2 20 participants

Testing the Effectiveness of the Anti-cancer Drug, Mirdametinib, in Treating Relapsed, Refractory Chronic Lymphocytic Leukemia

National Cancer Institute (NCI)

NCT07061951

RECRUITING Phase 2 20 participants

Sonrotoclax, Rituximab, and Zanubrutinib in Treating Participants With Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, and Mantle Cell Lymphoma

Fred Hutchinson Cancer Center

NCT06839053

RECRUITING Phase 2 20 participants

Acalabrutinib in Combination With Venetoclax for the Treatment of Refractory or Recurrent Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma, The AVENUE-2 Trial

Fred Hutchinson Cancer Center

NCT04941716

ACTIVE NOT RECRUITING Phase 2 234 participants

Venetoclax and Ibrutinib in Treating Patients With Chronic or Small Lymphocytic Leukemia

M.D. Anderson Cancer Center

NCT02756897

ACTIVE NOT RECRUITING Phase 2 15 participants

Intermittent Duvelisib Dosing in Treating Patients With Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

City of Hope Medical Center

NCT03961672

ACTIVE NOT RECRUITING Phase 1 12 participants

Lenalidomide, Ibrutinib, and Rituximab in Treating Patients With Relapsed or Refractory Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma That Is Metastatic or Cannot Be Removed by Surgery

National Cancer Institute (NCI)

NCT02160015

COMPLETED Phase 2 22 participants

Venetoclax and Ibrutinib in Patients With Relapsed/Refractory CLL or SLL

Steven E. Coutre

NCT03045328

Phase Distribution

PhaseTrial count
Phase 1 2
Phase 2 7

Named interventions

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

Bone Marrow Biopsy Procedure
5 trials
Biospecimen Collection Procedure
5 trials
Venetoclax Drug
4 trials
Ibrutinib Drug
3 trials
Computed Tomography Procedure
3 trials
Acalabrutinib Drug
2 trials
Bone Marrow Aspiration Procedure
2 trials
Autologous Anti-CD19 CAR-expressing T-lymphocytes IC19/1563 Biological
1 trials

US sites by state

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

Washington 2 trials
Texas 2 trials
Massachusetts 2 trials
California 2 trials
Oregon 1 trials
New Jersey 1 trials
Minnesota 1 trials

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

What to do with this Refractory Small Lymphocytic Lymphoma page

9 registered trials, 5 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 5 Refractory Small Lymphocytic Lymphoma trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Fred Hutchinson Cancer Center sponsors the most Refractory Small Lymphocytic Lymphoma trials on record, review their full trial history before evaluating a specific study. See Fred Hutchinson 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 Refractory Small Lymphocytic Lymphoma condition card totals 9 registered trials; most-linked intervention Bone Marrow Biopsy; top US site state Washington. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.