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ClinicalTrials.gov 4 recruiting now official registry

Acute Undifferentiated Leukemia clinical trials

4 of 9 indexed Acute Undifferentiated Leukemia trials are currently recruiting.

9 US clinical trials · 4 currently recruiting

Acute Undifferentiated Leukemia is the subject of 9 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 7 in Phase 1-2 (earlier-stage). The most active sponsor is Fred Hutchinson Cancer Center, running 4 of these trials.

The research picture

Acute Undifferentiated Leukemia has 9 registered US clinical trials, 4 of them open to new participants right now, about 44% of the total.

4
recruiting participants now
44%
of trials open to enrollment
0
in Phase 3–4 (later-stage)
4
top sponsor: Fred Hutchinson Cancer Center
Phase 15Phase 22

Active & Recent Trials

9 total, page 1 of 1

RECRUITING Phase 2 68 participants

Naive T Cell Depletion for Preventing Chronic Graft-versus-Host Disease in Children and Young Adults With Blood Cancers Undergoing Donor Stem Cell Transplant

Fred Hutchinson Cancer Center

NCT03779854

RECRUITING Phase 1 40 participants

Phase I/II Trial: Engineered Donor Graft (Orca Q) for Pediatric Hematopoietic Cell Transplant (HCT)

University of Florida

NCT05322850

RECRUITING Phase 1 36 participants

Chemotherapy (Decitabine in Combination With FLAG-Ida) and Total-Body Irradiation Followed by Donor Stem Cell Transplant for the Treatment of Adults With Myeloid Malignancies at High Risk of Relapse

Fred Hutchinson Cancer Center

NCT06928662

RECRUITING Phase 1 12 participants

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

ACTIVE NOT RECRUITING 153 participants

Infection Prophylaxis and Management in Treating Cytomegalovirus (CMV) Infection in Patients With Hematologic Malignancies Previously Treated With Donor Stem Cell Transplant

City of Hope Medical Center

NCT01199562

COMPLETED Phase 1 36 participants

17-N-Allylamino-17-Demethoxygeldanamycin in Treating Young Patients With Relapsed or Refractory Solid Tumors or Leukemia

National Cancer Institute (NCI)

NCT00079404

COMPLETED Phase 1 21 participants

Fludarabine Phosphate, Low-Dose Total-Body Irradiation, and Donor Stem Cell Transplant Followed by Cyclosporine, Mycophenolate Mofetil, Donor Lymphocyte Infusion in Treating Patients With Hematopoietic Cancer

Fred Hutchinson Cancer Center

NCT00006251

COMPLETED Phase 2 16 participants

Clofarabine, Idarubicin, Cytarabine, Vincristine Sulfate, and Dexamethasone in Treating Patients With Newly Diagnosed or Relapsed Mixed Phenotype Acute Leukemia

M.D. Anderson Cancer Center

NCT02135874

COMPLETED NA 5 participants

Fludarabine and Total-Body Irradiation Followed By Donor Stem Cell Transplant and Cyclosporine and Mycophenolate Mofetil in Treating HIV-Positive Patients With or Without Cancer

Fred Hutchinson Cancer Center

NCT00112593

Phase Distribution

PhaseTrial count
Phase 1 5
Phase 2 2

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

Reading the Acute Undifferentiated Leukemia Trial Landscape

9 indexed Acute Undifferentiated Leukemia studies · 4 recruiting (44%).

Phase mix: 0 late (III/IV) vs 7 early (I/II).

Top sponsor: Fred Hutchinson Cancer Center (4 trials), 5 others listed. 9 shown below, recruiting first.

How to read this condition's trial landscape

That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation, eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Acute Undifferentiated Leukemia?

PlainTrial tracks 9 US clinical trials for Acute Undifferentiated Leukemia, of which 4 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Acute Undifferentiated Leukemia?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

Verify with NIH →

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial for this condition, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.