Experimental drug SGR-2921 tested for tough blood cancers – but trial halted early
NCT ID NCT05961839
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This early-stage trial tested an experimental oral drug called SGR-2921 in adults with relapsed or refractory acute myeloid leukemia (AML) or high-risk myelodysplastic syndrome (MDS). The main goals were to check safety and find the right dose. However, the study was terminated early, so no results are available yet.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- SGR-2921 (an experimental oral drug)
- What this could lead to
- If successful, this could point toward a new treatment option for people with hard-to-treat blood cancers.
- What could go wrong
- This was a very early (Phase 1) trial that was terminated, so we don't know if the drug is safe or effective. Many early-stage drugs never make it to patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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66 people
The number who actually took part.
- Started
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Sep 2023
- Finished
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Sep 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * ≥ 18 years of age. * Life expectancy ≥ 8 weeks. * Confirmed diagnosis of R/R AML or High Risk (HR) and Very High Risk (VHR) MDS. * Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2. Exclusion Criteria: * Active malignancies within two years prior to the first dose, or requiring ongoing treatment, not related to AML or MDS. * Clinical evidence of central nervous system (CNS) or pulmonary leukostasis, ≥ Grade 3 disseminated intravascular coagulation, or active CNS leukemia. * Use of experimental drug, or therapy, or anti-cancer therapy within 14 days or 5 half-lives of the first dose of study drug. * QT interval corrected for heart rate per Fridericia's formula ≥470 msec during screening ECG.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Cleveland Clinic Foundation
Cleveland, Ohio, 44195, United States
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Colorado Blood Cancer Institute
Denver, Colorado, 80218, United States
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MD Anderson Cancer Center
Houston, Texas, 77030, United States
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Memorial Sloan Kettering Cancer Center
New York, New York, 10065, United States
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Oncology Associates of Oregon, P.C.
Eugene, Oregon, 97401, United States
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Oregon Health & Science University - Knight Cancer Institute - Center of Hematologic Malignancies
Portland, Oregon, 97239, United States
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Roswell Park Cancer Institute
Buffalo, New York, 14263, United States
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St. David's South Austin Medical Center
Austin, Texas, 78745, United States
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The Ohio State University Wexner Medical Center - James Cancer Hospital
Columbus, Ohio, 43210, United States
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The University of Kansas Clinical Research Center
Fairway, Kansas, 66205, United States
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Thomas Jefferson University, Sidney Kimmel Cancer Center, Clinical Research Organization
Philadelphia, Pennsylvania, 19107, United States
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TriStar Bone Marrow Transplant, LLC
Nashville, Tennessee, 37203, United States
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- Can an experimental pill block a cancer-driving enzyme in hard-to-treat leukemia?
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- Tweaking donor cells may shield older transplant patients from a dangerous complication
- Can a drug and donor cells stop leukemia from returning after transplant?