Immune booster after transplant may keep leukemia at bay
NCT ID NCT03300492
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether giving extra natural killer (NK) cells from a donor can safely help prevent leukemia or MDS from coming back after a stem cell transplant. About 10 adults with acute myeloid leukemia or myelodysplastic syndromes who don't have a fully matched donor will receive NK cells from their half-matched donor. The main goal is to check safety and side effects, and also to see if the NK cells help keep the cancer away.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- 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 2018
- Expected to finish
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Dec 2026
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: Patient: * \>18 years of age * No HLA-matched related or unrelated donor available * AML or MDS-EB with indication for a haplo-HSCT according to the guidelines of the University Hospital Basel Stem Cell Transplant Team * Judged by the transplant physicians to have adequate organ function and no contraindications to haplo-HSCT * Available related haploidentical donor * Written informed consent Donor: * \>18 years old, haploidentical parent, sibling or other relative * Donor suitable for cell donation and apheresis according to standard criteria * Written informed consent Exclusion Criteria: Patient: * APL diagnosis * Presence of relevant (mean fluorescence intensity \>2000) donor-specific anti-HLA antibodies * Pregnancy * Necessity of immunosuppression apart from GvHD prophylaxis Exclusion Criteria: Donor: • Pregnancy
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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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University Hospital Basel
RECRUITINGBasel, 4031, Switzerland
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a p53-Targeting drug boost chemotherapy in Hard-to-Treat blood cancers?
- Can adding venetoclax make donor stem cell transplants safer for High-Risk blood cancers?
- Can an HDAC inhibitor wipe out residual leukemia cells?
- Can an experimental pill block a cancer-driving enzyme in hard-to-treat leukemia?
- Two-Drug combo targets leukemia that outsmarted its first treatment
- Tweaking donor cells may shield older transplant patients from a dangerous complication