The immune cells that could make stem cell transplants work better
NCT ID NCT00435864
First seen Sep 14, 2026 · Last updated Sep 15, 2026 · Updated 1 time
Summary
Researchers are studying natural killer (NK) cells in people who receive stem cell transplants for leukemia. The study follows 92 patients and their donors, looking at genes called KIR and HLA that control how NK cells work. By tracking NK cells during immune recovery, researchers want to understand whether these cells can attack remaining leukemia cells and help the transplant succeed.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If researchers learn how natural killer cells behave after transplant, doctors could use that knowledge to improve donor selection and make stem cell transplants work better against leukemia.
- What could go wrong
- This is a small observational study, so it can only find patterns, not prove that natural killer cells cause better outcomes. The findings may not apply to all transplant patients or all types of leukemia.
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
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
-
92 people
The number who actually took part.
- Start date
-
Apr 2007
- Finished
-
Nov 2013
- Lead sponsor
-
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
-
1 year and older
- Sex
-
Anyone
- Healthy volunteers
-
Accepted
You do not need to have the condition being studied to take part.
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: * Age superior to 1 year * Patient that will be treated by an HSC graft * Initial pathology of recipient: acute lymphoblastic leukemia, acute myeloblastic leukemia, chronic myeloid leukemia Exclusion Criteria: * Patient already included in a study with an exclusion period * HIV + or HCV + serology during pre-graft analysis * Patient already treated by an allograft of HSC
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Acute lymphoblastic leukemia are added.
By submitting, you agree to our Terms of use
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
-
CHU de Nantes
Nantes, 44093, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- New drug takes aim at Treatment-Resistant leukemia
- Engineered immune cells aim to wipe out stubborn leukemia
- Tweaking donor cells may shield older transplant patients from a dangerous complication
- Aloe vera mouthwash tested against chemotherapy mouth sores
- Can a Chemo-Only prep beat radiation for childhood leukemia transplants?
- Can a targeted drug hit the mark in Hard-to-Treat blood cancers?