Should MDS patients get chemo before a stem cell transplant? new trial aims to find out.
NCT ID NCT06918834
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study compares two strategies for people with higher-risk myelodysplastic syndrome (MDS): getting a donor stem cell transplant right away versus receiving one to two cycles of chemotherapy first (called bridging therapy) before the transplant. The goal is to see if immediate transplant is at least as good as the pre-treatment approach. About 236 adults will take part, and the main outcome is how many are alive and cancer-free two years after transplant.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- allogeneic hematopoietic stem cell transplantation (a donor stem cell transplant) with or without pre-transplant chemotherapy (azacitidine, venetoclax, or targeted drugs)
- What this could lead to
- If it works, this could show that going straight to transplant is just as effective as pre-treatment, potentially simplifying care and reducing side effects for higher-risk MDS patients.
- What could go wrong
- This is a Phase 2 trial with 236 participants, so results are still early. The study may not prove one approach is clearly better, and stem cell transplants carry serious risks like infection and graft-versus-host disease.
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 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 236 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Apr 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. Age ≥18 years 2. High relapse risk MDS, defined by: * IPSS-R score ≥3.5. * IPSS-M stratification as intermediate-high, high, or very high risk. 3. Eligible for allogeneic HSCT (including matched or mismatched related/unrelated donor transplantations). 4. Karnofsky Performance Status (KPS) ≥60. 5. Signed informed consent. Exclusion Criteria: 1. Severe organ dysfunction: * Left ventricular ejection fraction \<50%. * Oxygen supplementation requirement. * Serum bilirubin \>1.5x upper limit of normal (unless due to Gilbert syndrome) or AST/ALT \>5x upper limit of normal. * Estimated glomerular filtration rate (eGFR) \<50 mL/min. 2. History of prior allogeneic HSCT. 3. Any condition deemed unsuitable by the investigator.
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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
5 sites. 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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Peking University People's Hospital
RECRUITINGBeijin, Beijing Municipality, 100044, China
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People's Liberation Army The General Hospital of Western Theater Command
RECRUITINGChengdu, Sichuan, 610083, China
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The 960th Hospital of the Joint Service Support Force of the Chinese People's Liberation Army
RECRUITINGJinan, Shandong, China
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The Second Hospital of Hebei Medical University
RECRUITINGShijia Zhuang, China
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Zhengzhou University First Affiliated Hospital
RECRUITINGZhengzhou, Henan, 450000, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can adding venetoclax make donor stem cell transplants safer for High-Risk blood cancers?
- Can starting anemia drug sooner keep MDS patients off transfusions?
- Blood cancer registry tracks thousands to map disease course
- New drug combination targets Hard-to-Treat blood cancers
- Can a calming drug make cord blood transplants safer?
- Can a Three-Drug combo shield stem cell transplant patients from a dangerous immune attack?