New drug combo aims to make stem cell transplants safer for blood cancer patients
NCT ID NCT06731504
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage trial tests whether adding abatacept to standard anti-rejection drugs can safely prevent graft-versus-host disease (GVHD) in 10 adults with blood cancers receiving a special type of stem cell transplant (omidubicel). Participants will receive the drug combination and be monitored for side effects and transplant success over 18 months. The goal is to see if this approach is safe and feasible before larger studies.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 10 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Jul 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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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: 1. A diagnosis of hematologic malignancy with an available cord blood unit for omidubicel product manufacturing 2. Adult patients (≥18 at the time of enrollment) 3. Adequate organ function for transplant defined as: 1. Left ventricular ejection fraction ≥ 40%; 2. DLCO, FEV1, FVC \> 50% predicted; 3. Total bilirubin ≤ 2.5 mg/dL except for patients with Gilbert's syndrome or hemolysis, and ALT, AST, and alkaline phosphatase all \< 5 x upper limit of normal (ULN); 4. Serum creatinine within normal range, or if serum creatinine outside normal range, must have measured or estimated creatinine clearance \> 40 mL/min/1.73m2; 5. Karnofsky performance score ≥ 70; and 6. If applicable, \> 6 months since a previous autologous transplant. 4. Female patients (unless postmenopausal or surgically sterilized) and male patients (even if surgically sterilized) must agree to practice two effective methods of contraception at the same time, or agree to completely abstain from heterosexual intercourse from the time of signing informed consent through 100 days post-transplant. Fertility preservation method will be left to treating physician's discretion. Exclusion Criteria: 1. Patients with known sensitivity to dimethyl sulfoxide, dextran 40, gentamicin, human serum albumin or bovine material 2. Presence of a donor-specific antibodies with MFI \>2000 3. Uncontrolled bacterial, fungal or viral infection 4. Treatment with any other investigational medical product (medications without any known FDA approved indication) needs to be discussed with the PI for patient eligibility.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Duke University Health System
RECRUITINGDurham, North Carolina, 27705, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a Platelet-Boosting drug speed recovery after stem cell transplant?
- Can regional data improve bone marrow transplant results for blood cancers?
- Could a frailty score predict which older cancer patients survive intensive care?
- Why COVID-19 hits blood cancer patients harder: scientists map the immune clues
- Softer chemo before stem cell transplant aims to cure blood cancers in frail children
- Can a new drug stop the Body's attack after stem cell transplants?