New hope for older blood cancer patients: smarter transplants aim to cut relapse
NCT ID NCT04217278
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This clinical trial is testing different treatment strategies to improve outcomes for older adults with acute myeloid leukemia (AML) or high-risk myelodysplastic syndrome (MDS) who are getting a stem cell transplant. The study compares a new pre-transplant drug (Vyxeos) with standard therapy, and also tests different conditioning regimens before transplant based on age. Around 333 participants are being followed for at least two years to see which approach works best.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Vyxeos, Fludarabine, Busulphan, Thiotepa, Cytarabine
- What this could lead to
- If successful, this could lead to better survival and lower relapse rates for older adults with AML or high-risk MDS after stem cell transplant.
- What could go wrong
- This is a mid-stage trial with 333 participants, and results may not apply to all patients. Transplants carry serious side effects, and the new therapies might not improve outcomes.
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 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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333 people
The number who actually took part.
- Started
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Jan 2020
- Expected to finish
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May 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.
Eligibility Criteria for Randomisation 1 (closed to recruitment) Inclusion Criteria for Randomisation 1 1. Patients (≥ 18 years old) with a morphological documented diagnosis of AML or MDS who are deemed fit for allo-SCT with one of the following disease characteristics: AML * Patients in 1st complete remission (CR1) defined as \< 5% blasts * Patients in 2nd complete remission (CR2) defined as \< 5% blasts * Secondary AML (defined as previous history of MDS, antecedent haematological disease or chemotherapy exposure) in CR1 or 2 defined as \< 5% blasts MDS * Patients with advanced or high risk MDS with an IPSS-R of ≥3.5 (intermediate 3.5 or higher) including intermediate or high risk CMML (e.g. CPSS int-2 or high risk) 2. Patients with an identified HLA identical sibling or suitable matched unrelated donor (suitable match defined as no greater than a single allele mismatch at HLA-A, -B, -C, DQB1 or DRβ1) 3. Patients must be considered suitable/fit to undergo allo-SCT as clinically judged by the Local Investigator 4. Females of and male patients of reproductive potential (i.e., not post-menopausal or surgically sterilised) must use appropriate, highly effective, contraception from the point of commencing therapy until 6 months after treatment 5. Patients have given written informed consent 6. Patients willing and able to comply with scheduled study visits and laboratory tests Exclusion Criteria for Randomisation 1 <!-- --> 1. Patients with contraindications to receiving allo-SCT 2. Female patients who are pregnant or breastfeeding. All women of childbearing potential must have a negative pregnancy test before commencing treatment 3. Adults of reproductive potential not willing to use appropriate, highly effective, contraception during the specified period 4. Patients with renal or hepatic impairment as clinically judged by the Local Investigator 5. Patients with active infection, HIV-positive or chronic active HBV or HCV. 6. Patients with a prior malignancy, except lobular breast carcinoma in situ, fully resected basal cell or squamous cell carcinoma of skin or treated cervical carcinoma in situ, incidental histologic finding of prostate cancer (T1a or T1b using the tumor, node, metastasis (TNM) clinical staging system), previous MDS, CMML, MPN resulting in secondary AML. Cancer treated with curative intent ≥ 5 years previously will be allowed. Cancer treated with curative intent \< 5 years previously will not be allowed. 7. History of serious hypersensitivity reaction to cytarabine, daunorubicin, or any component of the Vyxeos formulation. 8. Known history of Wilson's disease or other copper-related metabolic disorder since copper gluconate is a component of the Vyxeos formulation Eligibility Criteria for Randomisation 2 Inclusion Criteria for Randomisation 2 1. Patients aged between 18 - 54 years with a morphological documented diagnosis of AML or MDS who are deemed fit for a MAC allo-SCT with one of the following disease characteristics: AML o Patients in 1st complete remission (CR1) defined as \< 5% blasts * Patients in 2nd complete remission (CR2) defined as \< 5% blasts * Secondary AML (defined as previous history of MDS, antecedent haematological disease or chemotherapy exposure) in CR1 or 2 defined as \< 5% blasts * Must have received at least two courses of prior intensive chemotherapy prior to transplant unless there are exceptional circumstances. Patients with AML who have achieved CR with Venetoclax based induction regimen treatment as only prior treatment, will also be eligible. MDS o Patients with advanced or high risk MDS (with an IPSS-R of ≥3.5 (intermediate 3.5 or higher) including intermediate or high risk CMML (e.g. CPSS int-2 or high risk), who have \< 10% blasts at the time of randomisation following intensive chemotherapy (including R1 randomisation) or hypomethylating agents if necessary 2. Patients with an identified HLA identical sibling or suitable matched unrelated donor (suitable match defined as no greater than a single allele mismatch at HLA-A, -B, -C, DQB1 or DRβ1) 3. Patients with an ECOG performance status of 0, 1 or 2 4. Patients considered suitable/fit to undergo a MAC allo-SCT as clinically judged by the Local Investigator including: 1. Adequate hepatic and renal function as determined by full blood count and biochemistry assessment 2. Resolution of any toxic effects of prior therapy (including radiotherapy, chemotherapy or surgical procedures) 3. Performance of cardiac or pulmonary function tests (where there is a previous history of cardiac or pulmonary impairment) 5. Females of and male patients of reproductive potential (i.e., not post-menopausal or surgically sterilised) must use appropriate, highly effective, contraception from the point of commencing therapy until 12 months after treatment 6. Patients have given written informed consent 7. Patients willing and able to comply with scheduled study visits and laboratory tests Exclusion Criteria for Randomisation 2 1\. Patients with contraindications to receiving a MAC allo-SCT 2. Female patients who are pregnant or breastfeeding. All women of childbearing potential must have a negative pregnancy test before commencing treatment 3. Adults of reproductive potential not willing to use appropriate, effective, contraception during the specified period 4. Patients with renal or hepatic impairment as clinically judged by the Local Investigator 5. Patients with active infection, HIV-positive or chronic active HBV or HCV 6. Patients with a prior malignancy, except lobular breast carcinoma in situ, fully resected basal cell or squamous cell carcinoma of skin or treated cervical carcinoma in situ, incidental histologic finding of prostate cancer (T1a or T1b using the tumor, node, metastasis (TNM) clinical staging system), previous MDS, CMML, MPN resulting in secondary AML. Cancer treated with curative intent ≥ 5 years previously will be allowed. Cancer treated with curative intent \< 5 years previously will not be allowed. Eligibility Criteria for Randomisation 3 Inclusion Criteria for Randomisation 3 1. 1. Patients aged between 55 years or older with a morphological documented diagnosis of AML or MDS who are deemed fit for a RIC allo-SCT (or under the age of 55 with comorbidities which are deemed by the local investigator to preclude safe delivery of a MAC allo-SCT may be considered per investigators discretion) with one of the following disease characteristics: AML * Patients in 1st complete remission (CR1) defined as \< 5% blasts * Patients in 2nd complete remission (CR2) defined as \< 5% blasts * Secondary AML (defined as previous history of MDS, antecedent haematological disease or chemotherapy exposure) in CR1 or 2 defined as \< 5% blasts * Must have received at least two courses of prior intensive chemotherapy prior to transplant unless there are exceptional circumstances. Patients with AML who have achieved CR with Venetoclax based induction regimen treatment, as only prior treatment, will also be eligible. MDS * Patients with advanced or high risk MDS (with an IPSS-R of ≥3.5 (intermediate 3.5 or higher) including intermediate or high risk CMML (e.g. CPSS int-2 or high rsk), who have \< 10% blasts at the time of randomisation following intensive chemotherapy (including R1 randomisation) or hypomethylating agents if necessary 2. Patients with an identified HLA identical sibling or suitable matched unrelated donor (suitable match defined as no greater than a single allele mismatch at HLA-A, -B, -C, DQB1 or DRβ1) 3. Patients with an ECOG performance status of 0, 1 or 2 4. Patients considered suitable/fit to undergo a RIC allo-SCT as clinically judged by the Local Investigator including: a. Adequate hepatic and renal function as determined by full blood count and biochemistry assessment b. Resolution of any toxic effects of prior therapy (including radiotherapy, chemotherapy or surgical procedures) c. Performance of cardiac or pulmonary function tests (where there is a previous history of cardiac or pulmonary impairment 5. Females of and male patients of reproductive potential (i.e., not post-menopausal or surgically sterilised) must use appropriate, highly effective, contraception from the point of commencing therapy until 12 months after treatment 6. Patients have given written informed consent 7. Patients willing and able to comply with scheduled study visits and laboratory tests Exclusion Criteria for Randomisation 3 1. Patients with contraindications to receiving a RIC allo-SCT 2. Female patients who are pregnant or breastfeeding. All women of childbearing potential must have a negative pregnancy test before commencing treatment 3. Adults of reproductive potential not willing to use appropriate, effective, contraception during the specified period 4. Patients with renal or hepatic impairment as clinically judged by the Local Investigator 5. Patients with active infection, HIV-positive or chronic active HBV or HCV 6. Patients with a prior malignancies, except lobular breast carcinoma in situ, fully resected basal cell or squamous cell carcinoma of skin or treated cervical carcinoma in situ, incidental histologic finding of prostate cancer (T1a or T1b using the tumor, node, metastasis (TNM) clinical staging system), previous MDS, CMML, MPN resulting in secondary AML. Cancer treated with curative intent ≥ 5 years previously will be allowed. Cancer treated with curative intent \< 5 years previously will not be allowed.
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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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Addenbrooke's Hospital
Cambridge, United Kingdom
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Churchill Hospital
Oxford, United Kingdom
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Derriford Hospital
Plymouth, United Kingdom
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Freeman Hospital
Newcastle, United Kingdom
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Hammersmith Hospital
London, United Kingdom
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King's College Hospital
London, United Kingdom
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Leicester Royal Infirmary
Leicester, United Kingdom
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Manchester Royal Infirmary
Manchester, United Kingdom
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Nottingham City Hospital
Nottingham, United Kingdom
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Queen Elizabeth Hospital
Birmingham, United Kingdom
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Queen Elizabeth Hospital Glasgow
Glasgow, United Kingdom
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St James' University Hospital
Leeds, United Kingdom
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University Hospital of Wales
Cardiff, United Kingdom
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University Hospitals Bristol
Bristol, United Kingdom
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Other studies related to the condition(s) this trial covers.
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