Trial to Test the Effects of Adding 1 of 2 New Treatment Agents to Commonly Used Chemotherapy Combinations

Summary

The AML18 Trial will evaluate several relevant therapeutic questions in Acute Myeloid Leukaemia (AML), as defined by the WHO, and High Risk Myelodysplastic Syndrome. The trial is primarily designed for patients over 60 years considered fit for an intensive chemotherapeutic approach, but younger patients who may not be considered suitable for the concurrent NCRI AML Trial for younger patients may also enter. Patients for whom intensive chemotherapy is not thought suitable may enter the concurrent NCRI trial of less intensive therapy (LI1). Approximately 1600 patients will be recruited.

At entry, a randomisation will compare a standard chemotherapy schedule DA (Daunorubicin/Ara-C) combined with 1 dose of Mylotarg (gemtuzumab ozogamicin, or GO) in course 1 against CPX-351. Patients who have known adverse risk cytogenetics (using Grimwade 2010 classification favourable/intermediate/adverse) at diagnosis may enter a Phase 2 evaluation of the combination of Vosaroxin plus Decitabine. Patients who achieve complete remission (CR) and who are MRD negative by flow cytometry after course one of DA will receive one further course of DA, with a randomisation to receive, either a course of DA or intermediate dose Cytarabine (IDAC) as a third course. Patients who are MRD negative by flow cytometry after course one of CPX-351 will receive up to 2 further course of CPX. Patients who fail to achieve a CR after course 1 of DA or who are MRD positive by flow cytometry or for whom MRD information is not available, are eligible to be randomised to compare DA with DA plus Cladribine (DAC) or FLAG-Ida for up to two courses of therapy. Patients who fail to achieve a CR after course 1 of CPX-351 or who are MRD positive by flow cytometry or for whom MRD information is not available are eligible to be randomised between a second course of standard dose CPX versus a repeat of the course 1 schedule. Patients receiving Vosaroxin and Decitabine are excluded from these post course 1 randomisations .

Following the outcome of course 1, patients who received DA chemotherapy on course 1 will be randomised to receive further chemotherapy with the 2nd generation FLT3 inhibitor AC220. Patients randomised to AC220 will be allocated a maximum of 3 courses (short AC220) or 3 courses plus maintenance for 1 year (long AC220). Patients receiving Vosaroxin and Decitabine are excluded from this randomisation.

Patients will be eligible for a non-intensive allogeneic stem cell transplant if a suitable HLA matched donor is available.

Conditions

• Acute Myeloid Leukaemia
• Myelodysplastic Syndrome

Interventions

DRUG

Arm A Mylotarg plus DA Versus CPX-351

Patients not known to have adverse risk cytogenetics will enter a randomisation comparing DA with Mylotarg (GO) delivered at 3mg/m2 on day 1 of chemotherapy, with CPX-351 on days 1, 3 and 5.

DRUG

Arm B Vosaroxin and Decitabine

If a patient is known to have adverse risk Cytogenetics at diagnosis they will enter a registration to receive up to 5 courses of Vosaroxin and Decitabine.

DRUG

Arm D Small molecule or Not

The randomisation to AC220 or not will take place immediately before course 2 of treatment for patients who have received DA induction +/- Mylotarg, irrespective of residual disease status. Patients allocated to receive AC220 will be randomised in a 1:1 fashion to AC220 or no small molecule with a 1:1 randomisation in patients drawing AC220 between short and long therapy.

DRUG

Arm C DA V FLAG-Ida V DAC

If a patient is not in CR or CRi after course 1 or is MRD +ve/unknown by flow cytometry they will be eligible to be randomised in a 1:1:1 fashion between DA, FLAG-Ida (or mini FLAG-Ida if 70 years or older) and DAC.

DRUG

Arm E CPX-351 (200 V 300)

If a patient is not in CR or CRi after course 1 or is MRD +ve/unknown by flow cytometry they will be eligible to be randomised in a 1:1 fashion between CPX given on days 1, 3 and 5 (3 doses) and CPX given on days 1 and 3 (2 doses).

DRUG

Arm F DA V IDAC

Following recovery from course 2, patients in the MRD-ve arm will be randomised between a further 5-day cycle of DA or a cycle of intermediate dose cytarabine (IDAC) as the third chemotherapy course.

Sponsors & Collaborators

• Cancer Research UK

  collaborator OTHER

• Cardiff University

  lead OTHER

Principal Investigators

• Nigel Russell, Prof · Nottingham University

Study Design

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Model

FACTORIAL

Eligibility

Min Age

60 Years

Sex

ALL

Healthy Volunteers

No

Timeline & Regulatory

Start

2014-10-30

Primary Completion

2021-02-28

Completion

2022-02-28

Countries

• Denmark
• United Kingdom

Study Locations