Childhood leukaemia trial seeks best chemo cocktail
NCT ID NCT02724163
First seen Jun 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time
Summary
This trial investigates the best way to treat children with acute myeloid leukaemia (AML) by comparing different chemotherapy drugs and doses. It tests whether adding up to three doses of the targeted drug gemtuzumab ozogamicin to standard chemo is safe and effective. The study also compares two types of chemotherapy for induction and two different conditioning regimens for stem cell transplants. Around 700 children under 18 with AML or related conditions are taking part.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Gemtuzumab ozogamicin (Mylotarg), liposomal daunorubicin, mitoxantrone, cytarabine, fludarabine, busulfan, cyclophosphamide
- What this could lead to
- If successful, this could identify safer, more effective chemotherapy and antibody-drug combinations for children with AML, potentially improving survival and reducing side effects.
- What could go wrong
- This is a large phase 3 trial, but some drug combinations were dropped early due to manufacturing issues. Results may not apply to all AML subtypes, and side effects from intensive chemo remain significant.
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 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 700 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2016
- Expected to finish
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Dec 2032
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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Up to 17 years
- 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: Inclusion criteria for trial entry * Diagnosis of acute myeloid leukaemia (AML) /high risk Myelodysplastic syndrome (MDS) (\>10% blasts in the bone marrow)/isolated myeloid sarcoma (MS) (either de novo or secondary). * Age \<18 years at trial entry. * No prior chemotherapy or biological therapy for AML/high risk MDS/isolated MS other than that permitted in the protocol. * Normal cardiac function defined as fractional shortening ≥28% or ejection fraction ≥55%. * Fit for protocol chemotherapy. * Documented negative pregnancy test for female patients of childbearing potential. * Patient agrees to use effective contraception (patients of child bearing potential). * Written informed consent from the patient and/or parent/legal guardian. Inclusion criteria for participation in the gemtuzumab ozogamicin dose finding study: Centres must be formally activated in order to be take part in the embedded dose escalation study. Please contact the trial office for further information. * Patient meets the inclusion criteria for trial entry. * Age: * ≥12 months for the major dose finding study * ≥ 12 weeks and \<12 months for the minor dose finding study * Normal renal function defined as calculated creatinine clearance ≥90ml/min/1.73m2. * Normal hepatic function defined as total bilirubin ≤2.5 upper limit of normal (ULN) for age unless it is caused by leukaemic involvement or Gilbert's syndrome or similar disorder. * Alanine transaminase (ALT) or aspartate transaminase (AST) ≤10 x ULN for age. * Written informed consent from the patient and/or parent/legal guardian. Inclusion criteria for treatment with gemtuzumab ozogamicin for patients not participating in the gemtuzumab ozogamicin dose finding study or R2. * Patient meets the inclusion criteria for trial entry (section 4.1.1) * Age: * ≥12 months * ≥ 12 weeks * ≥28 days and \<12 weeks (patients will receive a maximum of one dose of gemtuzumab ozogamicin) * Normal renal function, defined as calculated creatinine clearance ≥90 ml/min/1.73m2 * Normal hepatic function, defined as total bilirubin ≤2.5 upper limit of normal (ULN) for age and not due to leukaemic involvement or Gilbert's syndrome or similar disorder * ALT or AST ≤10 x ULN for age * Written informed consent from the patient and/or parent/legal guardian Inclusion criteria for participation in R2.(once open to randomisation in the applicable age group) • Patient meets the inclusion criteria for trial entry Patient age: * ≥12 months * ≥12 weeks (once R2 open in patients aged ≥12 weeks and \<12 months) * Normal renal function defined as calculated creatinine clearance ≥90ml/min/1.73m2. * Normal hepatic function defined as total bilirubin ≤2.5 ULN for age and not due to leukaemic involvement or Gilbert's syndrome or similar disorder. * ALT or AST ≤10 x ULN for age. * Written informed consent from the patient and/or parent/legal guardian. Inclusion criteria for participation in R3. * Patient meets the inclusion criteria for trial entry * Induction treatment as per MyeChild 01 protocol or treated with 2 courses of mitoxantrone \& cytarabine off trial. * Minimal residual disease (MRD) response (performed in MyeChild 01 centralised laboratories, see national MyeChild 01 Laboratory Manual): * Patients with good risk cytogenetics/molecular genetics and a MRD level \<0.1% by flow after course 2, or a decrease in transcript levels of \>3 logs after course 2 for those with an informative molecular marker, but without an informative marker of sufficient sensitivity for flow MRD monitoring or * Patients with intermediate risk cytogenetics/molecular genetics with a MRD level \<0.1% by flow after course 1 and course 2, or a decrease in transcript levels of \>3 logs after course 1 and course 2 for those with an informative molecular marker, but without an informative marker of sufficient sensitivity for flow MRD monitoring. * Written informed consent from the patient and/or parent/legal guardian. Inclusion criteria for participation in R4. * Patient meets the inclusion criteria for trial entry * Induction treatment as per MyeChild 01 protocol or treated with 1 or 2 courses of mitoxantrone \& cytarabine ± treatment intensification with fludarabine, cytarabine \& idarubicin (FLA-Ida) off trial. * Patient is in complete remission (CR) or CR with incomplete blood count recovery (CRi) defined as \<5% blasts confirmed by flow cytometry/ molecular/FISH in a bone marrow aspirate taken within 6 weeks prior to randomisation to R4. * Patient meets one of the following criteria and is a candidate for HSCT as per the protocol: * High risk after course 1 (all patients with poor risk cytogenetics and patients with intermediate risk cytogenetics who fail to achieve CR/CRi). * Intermediate risk cytogenetics with MRD \>0.1% after course 1 and 2 measured by flow. If no flow MRD marker of sufficient sensitivity is identified, a molecular MRD marker with a sensitivity of \>0.1% may be used. * Good risk cytogenetics with flow MRD \>0.1% confirmed by a decrease in molecular MRD of \<3 logs or rising transcript levels after course 3 despite treatment intensification (FLA-Ida) and after discussion with the Clinical Co-ordinators. * Availability of a 9-10/10 human leukocyte antigen (HLA) matched family or unrelated donor or 5-8/8 matched cord blood unit with an adequate cell dose as defined by the protocol section 17.1. * Written informed consent from the patient and/or parent/legal guardian. Exclusion Criteria: Exclusion criteria for all randomisations * Acute Promyelocytic Leukaemia. * Myeloid Leukaemia of Down Syndrome. * Blast crisis of chronic myeloid leukaemia. * Relapsed or refractory AML. * Bone marrow failure syndromes. * Prior anthracycline exposure which would inhibit the delivery of study anthracyclines. * Concurrent treatment or administration of any other experimental drug or with any other biological therapy for AML/high risk MDS/isolated MS. * Pregnant or lactating females.
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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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Aberdeen Royal Infirmary, NHS Grampian
Aberdeen, AB25 2ZN, United Kingdom
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Addenbrookes Hospital, Cambridge University Hospitals NHS Foundation Trust
Cambridge, CB2 0QQ, United Kingdom
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Alder Hey Children's NHS Foundation Trust
Liverpool, L12 2AP, United Kingdom
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Birmingham Children's Hospital NHS Foundation Trust
Birmingham, B4 6NH, United Kingdom
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Cardiff and Vale University Health Board, Noah's Ark Children's Hospital for Wales
Cardiff, CF14 4XW, United Kingdom
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Centre Hospitalier Regional Universitaire Besancon - Hopital Jean Minjoz
Besançon, France
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Centre Hospitalier Regional Universitaire Brest - Hopital Morvan
Brest, France
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Centre Hospitalier Regional Universitaire De Tours - Hopital Clocheville
Tours, France
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Centre Hospitalier Regional Universitaire Montpellier - Hopital Arnaud-de-villeneuve
Montpellier, France
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Centre Hospitalier Universitaire Amiens - Picardie
Amiens, France
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Centre Hospitalier Universitaire D'angers
Angers, France
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Centre Hospitalier Universitaire De Bordeaux - Hopital Pellegrin
Bordeaux, France
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Centre Hospitalier Universitaire De Caen
Caen, France
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Centre Hospitalier Universitaire De Clermont-ferrand
Clermont-Ferrand, France
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Centre Hospitalier Universitaire De Grenoble
Grenoble, France
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Centre Hospitalier Universitaire De Limoges
Limoges, France
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Centre Hospitalier Universitaire De NICE
Nice, France
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Centre Hospitalier Universitaire De Nancy
Nancy, France
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Centre Hospitalier Universitaire De Nantes
Nantes, France
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Centre Hospitalier Universitaire De Poitiers
Poitiers, France
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Centre Hospitalier Universitaire De Rennes - Hopital Sud
Rennes, France
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Centre Hospitalier Universitaire De Rouen
Rouen, France
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Centre Hospitalier Universitaire De Toulouse - Hopital Des Enfants
Toulouse, France
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Centre Hospitalier Universitaire Dijon Bourgogne - Hopital D'enfants
Dijon, France
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Centre Hospitalier Universitaire Saint-etienne
Saint-Etienne, France
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Centre Hospitalier Universitaire Vaudois Chuv Lausanne
Lausanne, Switzerland
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Centre Leon Berard
Lyon, France
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Christchurch Hospital
Christchurch, New Zealand
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Chu De Reims
Reims, France
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Great Ormond Street Hospital For Children NHS Trust
London, WC1N 3JH, United Kingdom
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Hopital Armand Trousseau
Paris, France
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Hopital De La Timone
Marseille, France
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Hopital Jeanne Dr Flandre
Lille, France
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Hopital Robert Debre
Paris, France
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Hopital Saint Louis
Paris, France
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Hug Hopitaux Universitaires De Geneve
Geneva, Switzerland
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Inselspital Bern
Bern, Switzerland
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John Hunter Children's Hopsital
New Lambton Heights, Australia
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John Radcliffe Hospital, Oxford Radcliffe Hospitals NHS Trust
Oxford, OX3 9DU, United Kingdom
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Kantonsspital Aarau
Aarau, Switzerland
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Leeds General Infirmary, Leeds Teaching Hospitals NHS Trust
Leeds, LS9 7TF, United Kingdom
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Luzerner Kantonspital - Kinderspital Luzern
Lucerne, Switzerland
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Monash Children's Hospital
Melbourne, Australia
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NHS Greater Glasgow and Clyde, The Royal Hospital for Children
Glasgow, G51 4TF, United Kingdom
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NHS Lothian, Royal Hospital for Sick Children
Edinburgh, EH9 1LF, United Kingdom
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Nottingham University Hospitals NHS Trust
Nottingham, NG7 2UH, United Kingdom
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Ospedale San Giovanni
Bellinzona, Switzerland
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Ostschweizer Kinderspital
Sankt Gallen, Switzerland
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Our Lady's Hospital for Sick Children
Dublin, Ireland
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Perth Children's Hospital
Perth, Australia
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Queensland Children's Hospital
Brisbane, Australia
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Royal Aberdeen Children's Hospital
Aberdeen, AB25 2ZG, United Kingdom
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Royal Belfast Hospital for Sick Children
Belfast, County Antrim, BT12 6BE, United Kingdom
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Royal Childrens Hospital
Melbourne, Australia
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Royal Manchester Childrens' Hospital , Central Manchester University Hospitals NHS Foundation Trust
Manchester, M13 9WL, United Kingdom
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Sheffield Children's NHS Foundation Trust
Sheffield, S10 2TH, United Kingdom
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Southampton University Hospitals NHS Trust
Southampton, SO16 6YD, United Kingdom
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Starship Childrens Hospital
Auckland, New Zealand
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Strasbourg Hautepierre
Strasbourg, France
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Sydney Children's Hospital
Sydney, Australia
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The Childrens Hospital At Westmead
Westmead, Australia
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The Newcastle Upon Tyne Hospitals NHS Foundation Trust
Newcastle, NE7 7DN, United Kingdom
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The Royal Marsden NHS Foundation Trust
London, SW3 6JJ, United Kingdom
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University Children's Hospital Zurich
Zurich, Switzerland
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University College London Hospitals NHS Foundation Trust
London, NW1 2PG, United Kingdom
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University Hospitals Bristol NHS Foundation Trust
Bristol, BS1 3NU, United Kingdom
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Universitäts-Kinderspital beider
Basel, Switzerland
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Women and Children's Hospital Adelaide
Adelaide, Australia
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