Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
CLL (Chronic Lymphocytic Leukemia): early-phase trial registry
4 of 6 indexed CLL (Chronic Lymphocytic Leukemia) trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · 4 currently recruiting · #2,866 of 28,707 conditions by registered trial count
CLL (Chronic Lymphocytic Leukemia): 6 US clinical trials tracked, 4 recruiting.
CLL (Chronic Lymphocytic Leukemia) is the subject of 6 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 5 in Phase 1-2 (earlier-stage). The most active sponsor is National Heart, Lung, and Blood Institute (NHLBI), running 3 of these trials.
Enrollment posture brief
Registry condition cll-chronic-lymphocytic-leukemia
OPEN 4 | RECR 67% | LATE 0 | EARLY 5 | RANK #2866 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Adenocarcinoma of Lung (67% recruiting · 6 trials)
CLL (Chronic Lymphocytic Leukemia) lists 4 open slots (67% of 6 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 CLL (Chronic Lymphocytic Leukemia) 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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CLL (Chronic Lymphocytic Leukemia) is recruiting above its size-band peers.
4 of 6 indexed trials (66.7%) 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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One sponsor concentrates CLL (Chronic Lymphocytic Leukemia) research.
National Heart, Lung, and Blood Institute (NHLBI) accounts for 3 of 6 trials (50%). 4 distinct sponsors appear on at least one study for this condition label.
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Most CLL (Chronic Lymphocytic Leukemia) trials plan to enrol fewer than 100 people.
Median target enrolment is 86 among the 6 trials that report a genuine target (sentinel values excluded). 4 of those (66.7%) plan for fewer than 100 participants.
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CLL (Chronic Lymphocytic Leukemia) research is mostly interventional.
5 interventional and 1 observational studies make up this index (83.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
6 total, page 1 of 1
Natural History Study of Monoclonal B Cell Lymphocytosis (MBL), Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL), Lymphoplasmacytic Lymphoma (LPL)/Waldenstrom Macroglobulinemia (WM), and Splenic Marginal Zone Lymphoma (SMZL)
National Heart, Lung, and Blood Institute (NHLBI)
NCT00923507
A Platform Protocol to Investigate Post-Transplant Cyclophosphamide-Based Graft-Versus-Host Disease Prophylaxis in Patients With Hematologic Malignancies Undergoing Mismatched Unrelated Donor Peripheral Blood Stem Cell Transplantation
Center for International Blood and Marrow Transplant Research
NCT06859424
A Phase 1 Study of ZE50-0134 in Relapsed and Refractory Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, and Select Low-grad Lymphomas
Lomond Therapeutics Holdings
NCT06708897
A First-in-Human Study of HLA-Partially to Fully Matched Allogenic Cryopreserved Deceased Donor Bone Marrow Transplantation for Patients With Hematologic Malignancies
Ossium Health
NCT05589896
PCI-32765 for Special Cases of Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma
National Heart, Lung, and Blood Institute (NHLBI)
NCT01500733
Improving Blood Stem Cell Collection and Transplant Procedures
National Heart, Lung, and Blood Institute (NHLBI)
NCT01517035
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 3 |
| Phase 2 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on CLL (Chronic Lymphocytic Leukemia) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on CLL (Chronic Lymphocytic Leukemia) 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 CLL (Chronic Lymphocytic Leukemia) page
6 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 4 CLL (Chronic Lymphocytic Leukemia) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- National Heart, Lung, and Blood Institute (NHLBI) sponsors the most CLL (Chronic Lymphocytic Leukemia) trials on record, review their full trial history before evaluating a specific study. See National Heart, Lung, and Blood Institute (NHLBI)'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 CLL (Chronic Lymphocytic Leukemia) condition card totals 6 registered trials; most-linked intervention Stem Cell Transplantation; top US site state Maryland. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.