Recurrent Acute Myeloid LeukemiaPhase 1NCT03983824
Testing the Addition of an Anti-cancer Drug, M3814, to the Usual Treatment (Mitoxantrone, Etoposide, and Cytarabine) for Relapsed or Refractory Acute Myeloid Leukemia
A Phase 1 study testing Biospecimen Collection, Bone Marrow Biopsy and Cytarabine in people with Recurrent Acute Myeloid Leukemia and Refractory Acute Myeloid Leukemia, run by National Cancer Institute (NCI) at 15 sites in United States.
Trial summary
This phase I trial studies the best dose and side effects of M3814 when given in combination with mitoxantrone, etoposide, and cytarabine in treating patients with acute myeloid leukemia that has come back (relapsed) or does not respond to treatment (refractory). Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Recurrent Acute Myeloid Leukemia, Refractory Acute Myeloid Leukemia
- What is being tested?
- Biospecimen Collection, Bone Marrow Biopsy and Cytarabine
- Type of treatment
- Injection or infusion, Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 48 participants
- Where
- 15 sitesUnited States
- Study dates
- 5 May 2020to 30 Jun 2027
- Phase
- Phase 1
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- An established and confirmed diagnosis of AML by World Health Organization criteria, excluding acute promyelocytic leukemia (APL) (with promyelocytic leukemia -retinoic acid receptor alpha [PML-RARA])
- Patients with R/R AML, defined as:
- Relapsed: >= 5% bone marrow blasts by morphology, reappearance of peripheral blood blasts, or development of extramedullary leukemia after achieving prior CR or CRi. First or second relapse is eligible. First relapse is restricted to participants with CR 1 duration of less than 9-12 months
- Refractory: no CR or CRi after one or more cycles of induction. Induction cycles include regimens with the intent to achieve remission and can include high intensity and/or low intensity regimens
- Age >= 18 years. Because no dosing or adverse event data are currently available on the use of M3814 in combination with mitoxantrone, etoposide, and cytarabine in patients < 18 years of age, children are excluded from this study, but will be eligible for future pediatric trials
- Eastern Cooperative Oncology Group (ECOG) performance status =< 1 (or Karnofsky >= 60%)
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- Serum bilirubin =< 1.5 institutional upper limit of normal (ULN) (For patients with hemolysis, Gilbert's syndrome or liver infiltration with leukemia, serum bilirubin =< 3 x institutional ULN)
- Aspartate aminotransferase (AST)(serum glutamic-oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT)(serum glutamate pyruvate transaminase [SGPT]) =< 3 x institutional ULN (For patients with liver infiltration with leukemia, AST[SGOT]/ALT[SGPT] =< 5 x institutional ULN)
- Glomerular filtration rate (GFR) >= 60 mL/min/1.73 m^2 using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) formula
- Patients must be medically eligible to receive MEC, including acceptable pre-study cardiac function (left ventricular ejection fraction of >= 45%) and lifetime anthracycline exposure (=< 360 mg/m^2 daunorubicin equivalents)
- Patients may have had prior allogeneic hematopoietic cell transplant at least 3 months prior to enrollment but should not have evidence of active graft versus host disease or require systemic immune suppression
- Patients must be willing to submit the blood sampling and bone marrow sampling for any mandatory PK and pharmacodynamics analyses and exploratory biomarkers
- Female patients with child bearing potential must have a negative serum pregnancy test within 72 hours prior to the first study drug administration and all patients must be willing to use effective methods of contraception during the treatment period and 3 months after study completion
- Human immunodeficiency virus (HIV)-infected patients will be eligible for this trial if they are on effective antiretroviral regimens utilizing non-CYP-interacting agents, they have an undetectable viral load, they have a CD4 count > 350 cells/mm^3, and they have no history of acquired immune deficiency syndrome (AIDS)-defining opportunistic infections. If there is evidence of chronic hepatitis B virus (HBV) infection, HBV viral load must be undetectable on suppressive therapy, if indicated. If there is history of hepatitis C virus (HCV) infection, the patient must have been treated and have undetectable HCV viral load
- Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial
- Ability to understand and the willingness to sign a written informed consent document. Participants with impaired decision-making capacity (IDMC) who have a legally-authorized representative (LAR) and/or family member available will also be eligible
- All non-hematologic adverse events (AEs) of prior chemotherapy, surgery, or radiotherapy, except alopecia, must have resolved to National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) grade =< 1 prior to starting therapy
Who cannot join
- Patients must not have had prior treatment with MEC
- Patients must not have documented active central nervous system (CNS) involvement by leukemia. Patients with known brain metastases should be excluded from this clinical trial because of their poor prognosis and because they often develop progressive neurologic dysfunction that would confound the evaluation of neurologic and other adverse events (AEs)
- Patients must not have received any other investigational or commercial agents or therapies administered with the intention to treat their leukemia within 14 days or 5 elimination half-lives (whichever is shorter) of first receipt of study drug, with the exception of hydroxyurea and/or leukapheresis used to control white blood cell counts
- Patients who cannot discontinue concomitant medications or herbal supplements that are strong inhibitors or strong inducers of cytochrome P450 (CYP) isoenzymes CYP3A4/5, CYP2C9 and CYP2C19 during treatment with M3814. Concomitant use of CYP1A2, CYP2B6 and CYP3A4/5 substrates with a narrow therapeutic index are also excluded during treatment with M3814. Patients may confer with the study doctor to determine if alternative medications can be used. The following categories of medications and herbal supplements must be discontinued for at least the specified period of time prior to the first dose of M3814:
- Strong inducers of CYP3A4/5, CYP2C9 and CYP2C19: >= 3 weeks or 5 elimination half-lives (whichever is shorter) prior to the first dose of M3814
- Strong inhibitors of CYP3A4/5, CYP2C9 and CYP2C19: >= 1 week or 5 elimination half-lives (whichever is shorter) prior to the first dose of M3814
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- Substrates of CYP1A2, CYP2B6 and CYP3A4/5 with a narrow therapeutic index: >= 1 day prior to the first dose of M3814
- Concomitant use of histamine-2 (H2)-blockers or proton pump inhibitors should be avoided as these might affect absorption of M3814; administrations have to be discontinued at least 5 days or 5 elimination half-lives (whichever is shorter) prior to the first dose of M3814. Antacid drugs should not be taken 1 hour before and until 2 hours after M3814 administration
- Patients receiving sorivudine or any chemically related analogues (such as brivudine) are excluded
- Patients who require oral or parenteral anticoagulants or thrombolytic agents for therapeutic purposes (including coumadin and warfarin), or who received such agents within 5 days or 5 elimination half-lives (whichever is shorter) of the first dose of M3814. Low and high-molecular weight heparins are permitted provided the platelets are maintained at greater than 30,000/mm^3
- Patients with ongoing active infection or who have received a live attenuated vaccine within 30 days of dosing with M3814
- Patients must not have known significant cardiopulmonary disease defined as:
- Unstable angina;
- Congestive heart failure (New York Heart Association [NYHA] class III or IV);
- Myocardial infarction (MI) within 6 months prior to first dose. Patients who had ischemic heart disease such as acute coronary syndrome (ACS), MI, and/or revascularization more than 6 months before screening and who are without cardiac symptoms or those with a prior non-ST elevation MI (NSTEM) due to demand-supply mismatch (NSTEM Type II) may enroll
- Patients should not have severe and/or uncontrolled medical conditions or other conditions that, in the opinion of the investigator, could affect their participation in the study
- Patients with psychiatric illness/social situations that would limit compliance with study requirements
- Patients should not be pregnant or breastfeeding
- A marked baseline prolongation of QT/corrected QT (QTc) interval (e.g., repeated demonstration of a QTc interval > 480 milliseconds [ms] [CTCAE grade 2] using Fredericia's QT correction formula)
- A history of additional risk factors for TdP (e.g., heart failure, hypokalemia, family history of Long QT syndrome)
- The use of concomitant medications that prolong the QT/QTc interval
- Gastrointestinal disorders that may affect the M3814 absorption
- Patients will need to avoid any intake of grapefruit, grapefruit juice, Seville oranges, Seville orange marmalade, or other products containing grapefruit or Seville oranges within 7 days before the first administration of M3814 and throughout the duration of M3814 treatment
Trial locations and contacts
15 sites in 1 country.
15 sites in 1 country
United States15 sites
Beth Israel Deaconess Medical Center
Boston, Massachusetts, 02215
University of Cincinnati Cancer Center-UC Medical Center
Cincinnati, Ohio, 45219
UM Sylvester Comprehensive Cancer Center at Coral Gables
Coral Gables, Florida, 33146
UM Sylvester Comprehensive Cancer Center at Deerfield Beach
Deerfield Beach, Florida, 33442
City of Hope Comprehensive Cancer Center
Duarte, California, 91010
Los Angeles General Medical Center
Los Angeles, California, 90033
USC / Norris Comprehensive Cancer Center
Los Angeles, California, 90033
University of Miami Miller School of Medicine-Sylvester Cancer Center
Miami, Florida, 33136
Mount Sinai Hospital
New York, New York, 10029
USC Norris Oncology/Hematology-Newport Beach
Newport Beach, California, 92663
University of Oklahoma Health Sciences Center
Oklahoma City, Oklahoma, 73104
Keck Medical Center of USC Pasadena
Pasadena, California, 91105
UM Sylvester Comprehensive Cancer Center at Plantation
Plantation, Florida, 33324
University of California Davis Comprehensive Cancer Center
Sacramento, California, 95817
University of Cincinnati Cancer Center-West Chester
West Chester, Ohio, 45069
About this study
Official title: A Phase 1 Study of M3814 in Combination With MEC in Patients With Relapsed or Refractory Acute Myeloid Leukemia
This phase I trial studies the best dose and side effects of M3814 when given in combination with mitoxantrone, etoposide, and cytarabine in treating patients with acute myeloid leukemia that has come back (relapsed) or does not respond to treatment (refractory). M3814 may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Chemotherapy drugs, such as mitoxantrone and cytarabine, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Etoposide is in a class of medications known as podophyllotoxin derivatives. It blocks a certain enzyme needed for cell division and DNA repair and may kill cancer cells. Giving M3814 in combination with mitoxantrone, etoposide, and cytarabine may lower the chance of the acute myeloid leukemia growing or spreading.
Read the detailed description
PRIMARY OBJECTIVE:
- To assess the safety and tolerability and determine the recommended phase two dose (RP2D) of peposertib (M3814) in combination with mitoxantrone, etoposide, and cytarabine (MEC) in patients with relapsed or refractory (R/R) acute myeloid leukemia (AML).
SECONDARY OBJECTIVES:
- To characterize the pharmacokinetic (PK) profile of MEC alone and of M3814 in combination with MEC.
II. To evaluate the preliminary efficacy of M3814 in combination with MEC in patients with R/R AML as measured by the response rate (complete remission [CR] plus CR with incomplete count recovery [CRi]), duration of CR/CRi (DOR), event-free survival (EFS) and overall survival (OS).
EXPLORATORY OBJECTIVES:
- To evaluate correlative biomarkers of M3814 target engagement and response. II. To correlate cytogenetic and molecular abnormalities with response. III. To evaluate the rates of early mortality and allogeneic hematopoietic cell transplantation.
IV. To perform molecular profiling assays on malignant and normal tissues, including, but not limited to, whole exome sequencing (WES) and messenger ribonucleic acid (RNA) sequencing (RNAseq), in order to:
IVa. Identify potential predictive and prognostic biomarkers beyond any genomic alteration by which treatment may be assigned; IVb. Identify resistance mechanisms using genomic deoxyribonucleic acid (DNA)- and RNA-based assessment platforms.
- To contribute genetic analysis data from de-identified biospecimens to Genomic Data Commons (GDC), a well annotated cancer molecular and clinical data repository, for current and future research; specimens will be annotated with key clinical data, including presentation, diagnosis, staging, summary treatment, and if possible, outcome.
OUTLINE: This is a dose-escalation study of peposertib followed by a dose-expansion study.
Patients receive peposertib orally (PO) twice daily (BID) on days 2-21, mitoxantrone intravenously (IV) over 15 minutes, etoposide IV over 60 minutes and cytarabine IV over 60 minutes on days 1-5 in the absence of disease progression or unacceptable toxicity. Additionally, patients undergo echocardiogram (ECHO) or multigated acquisition scan (MUGA) during baseline, and blood collection and bone marrow biopsy throughout the study.
After completion of study treatment, patients are followed up at 30 days, every 3 months for 1 year, then every 6 months thereafter up to 5 years.
- Being tested
- Biospecimen Collection, Bone Marrow Biopsy, Cytarabine, Echocardiography Test, Etoposide Phosphate
- Medical subject headings
- Leukemia, Myeloid, Acute
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Biospecimen CollectionProcedure or surgery
Also called Biological Sample Collection, Biospecimen Collected, Sample Collection, Specimen Collection
Undergo blood sample collection
Bone Marrow BiopsyProcedure or surgery
Also called Biopsy of Bone Marrow, Biopsy, Bone Marrow
Undergo bone marrow biopsy
CytarabineDrug
Also called .beta.-Cytosine arabinoside, 1-.beta.-D-Arabinofuranosyl-4-amino-2(1H)pyrimidinone, 1-.beta.-D-Arabinofuranosylcytosine, 1-Beta-D-arabinofuranosyl-4-amino-2(1H)pyrimidinone
Given IV
Echocardiography TestProcedure or surgery
Also called EC, Echocardiography
Undergo ECHO
Etoposide PhosphateDrug
Also called Etopophos
Given IV
Mitoxantrone HydrochlorideDrug
Also called CL 232315, DHAD, DHAQ, Dihydroxyanthracenedione Dihydrochloride
Given IV
Multigated Acquisition ScanProcedure or surgery
Also called Blood Pool Scan, Equilibrium Radionuclide Angiography, Gated Blood Pool Imaging, Gated Heart Pool Scan
Undergo MUGA
PeposertibDrug
Also called 3-Pyridazinemethanol, alpha-(2-Chloro-4-fluoro-5-(7-(4-morpholinyl)-4-quinazolinyl)phenyl)-6-methoxy-, (alphaS)-, M 3814, M-3814, M3814
Given PO
| Study group | Role | What they receive |
|---|---|---|
| Treatment (peposertib, mitoxantrone, etoposide, cytarabine) | Experimental | Patients receive peposertib PO BID on days 2-21, mitoxantrone IV over 15 minutes, etoposide IV over 60 minutes and cytarabine IV over 60 minutes on days 1-5 in the absence of disease progression or unacceptable toxicity. Additionally, patients undergo ECHO or MUGA during baseline, and blood collection and bone marrow biopsy throughout the study. Receives: Procedure: Biospecimen Collection; Procedure: Bone Marrow Biopsy; Drug: Cytarabine; Procedure: Echocardiography Test; Drug: Etoposide Phosphate; Drug: Mitoxantrone Hydrochloride; Procedure: Multigated Acquisition Scan; Drug: Peposertib |
What is being measured
The primary outcome is the main question the study is designed to answer.
Incidence of adverse events
Coded according to the Common Terminology Criteria for Adverse Events version 5.
Measured: Up to 5 years
Secondary outcomes (5)
Pharmacokinetic (PK) profile of M3814 in combination with mitoxantrone, etoposide, and cytarabine (MEC)
Individual PK parameters will be estimated for maximum concentration, area under the concentration-time curve, half-life, apparent clearance, and apparent volume of distribution using non-compartmental methods. The PK variables will be tabulated and descriptive statistics (e.g., geometric means and coefficients of variation) calculated for each dose level. PK parameters will be reported descriptively for exploratory comparison with historical data.
Measured: Days 1 and 5
Overall response rate
Defined as the proportion of subjects with complete remission (CR) plus CR with incomplete count recovery (CRi) using European Leukemia Net response criteria. The percent of CR will be calculated and associated exact 95% confidence intervals will be constructed.
Measured: Up to 5 years
Duration of CR/CRi
Summarized using Kaplan-Meier plots.
Measured: From first documented CR/CRi response to relapse, assessed up to 5 years
Event-free survival
Summarized using Kaplan-Meier plots.
Measured: From study entry to treatment failure (lack of response, i.e., no CR or CRi), relapse from CR or CRi, or death from any cause, assessed up to 5 years
Overall survival
Summarized using Kaplan-Meier plots.
Measured: From study entry to death from any cause, assessed up to 2 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted12 Jun 2019
- Study start5 May 2020
- Primary completion30 Jun 2027 (estimated)
- Study completion30 Jun 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Recurrent Acute Myeloid LeukemiaStudies of the same condition, open and under way.
- More trials run by National Cancer Institute (NCI)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 1
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 48 participants (estimated)
Sponsor and investigators
- Lead sponsor
- National Cancer Institute (NCI)
- Sponsor type
- US National Institutes of Health
- Responsible party
- Sponsor
- Investigators
- Brian A Jonas, Principal investigator, City of Hope Comprehensive Cancer Center LAO
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03983824
- Sponsor's protocol ID
- NCI-2019-03607
- Other IDs
- NCI-2019-03607, PHI-103, 10273, 10273, UM1CA186717
- Status last verified
- Jun 2026
- First submitted
- 10 Jun 2019
- Last updated
- 11 Jun 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- Yes: NCI is committed to sharing data in accordance with NIH policy. For more details on how clinical trial data is shared, access the link to the NIH data sharing policy page.
Study at a glance
From the registry record, last updated by the sponsor on 11 Jun 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase 1 Study of M3814 in Combination With MEC in Patients With Relapsed or Refractory Acute Myeloid Leukemia
- ClinicalTrials.gov ID
- NCT03983824
- Acronym / sponsor ID
- NCI-2019-03607
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Active, not recruiting
- Enrolment
- 48 participants (estimated)
- Lead sponsor
- National Cancer Institute (NCI)US National Institutes of Health
- Study start
- 5 May 2020 (actual)
- Primary completion
- 30 Jun 2027 (estimated)
- Study completion
- 30 Jun 2027 (estimated)
- First posted
- 12 Jun 2019 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This phase I trial studies the best dose and side effects of M3814 when given in combination with mitoxantrone, etoposide, and cytarabine in treating patients with acute myeloid leukemia that has come back (relapsed) or does not respond to treatment (refractory). M3814 may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Chemotherapy drugs, such as mitoxantrone and cytarabine, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Etoposide is in a class of medications known as podophyllotoxin derivatives. It blocks a certain enzyme needed for cell division and DNA repair and may kill cancer cells. Giving M3814 in combination with mitoxantrone, etoposide, and cytarabine may lower the chance of the acute myeloid leukemia growing or spreading.
Detailed description
PRIMARY OBJECTIVE:
- To assess the safety and tolerability and determine the recommended phase two dose (RP2D) of peposertib (M3814) in combination with mitoxantrone, etoposide, and cytarabine (MEC) in patients with relapsed or refractory (R/R) acute myeloid leukemia (AML).
SECONDARY OBJECTIVES:
- To characterize the pharmacokinetic (PK) profile of MEC alone and of M3814 in combination with MEC.
II. To evaluate the preliminary efficacy of M3814 in combination with MEC in patients with R/R AML as measured by the response rate (complete remission [CR] plus CR with incomplete count recovery [CRi]), duration of CR/CRi (DOR), event-free survival (EFS) and overall survival (OS).
EXPLORATORY OBJECTIVES:
- To evaluate correlative biomarkers of M3814 target engagement and response. II. To correlate cytogenetic and molecular abnormalities with response. III. To evaluate the rates of early mortality and allogeneic hematopoietic cell transplantation.
IV. To perform molecular profiling assays on malignant and normal tissues, including, but not limited to, whole exome sequencing (WES) and messenger ribonucleic acid (RNA) sequencing (RNAseq), in order to:
IVa. Identify potential predictive and prognostic biomarkers beyond any genomic alteration by which treatment may be assigned; IVb. Identify resistance mechanisms using genomic deoxyribonucleic acid (DNA)- and RNA-based assessment platforms.
- To contribute genetic analysis data from de-identified biospecimens to Genomic Data Commons (GDC), a well annotated cancer molecular and clinical data repository, for current and future research; specimens will be annotated with key clinical data, including presentation, diagnosis, staging, summary treatment, and if possible, outcome.
OUTLINE: This is a dose-escalation study of peposertib followed by a dose-expansion study.
Patients receive peposertib orally (PO) twice daily (BID) on days 2-21, mitoxantrone intravenously (IV) over 15 minutes, etoposide IV over 60 minutes and cytarabine IV over 60 minutes on days 1-5 in the absence of disease progression or unacceptable toxicity. Additionally, patients undergo echocardiogram (ECHO) or multigated acquisition scan (MUGA) during baseline, and blood collection and bone marrow biopsy throughout the study.
After completion of study treatment, patients are followed up at 30 days, every 3 months for 1 year, then every 6 months thereafter up to 5 years.
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Treatment (peposertib, mitoxantrone, etoposide, cytarabine) | Experimental | Procedure: Biospecimen Collection, Procedure: Bone Marrow Biopsy, Drug: Cytarabine, Procedure: Echocardiography Test, Drug: Etoposide Phosphate, Drug: Mitoxantrone Hydrochloride, Procedure: Multigated Acquisition Scan, Drug: PeposertibPatients receive peposertib PO BID on days 2-21, mitoxantrone IV over 15 minutes, etoposide IV over 60 minutes and cytarabine IV over 60 minutes on days 1-5 in the absence of disease progression or unacceptable toxicity. Additionally, patients undergo ECHO or MUGA during baseline, and blood collection and bone marrow biopsy throughout the study. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (17 listed)
- An established and confirmed diagnosis of AML by World Health Organization criteria, excluding acute promyelocytic leukemia (APL) (with promyelocytic leukemia -retinoic acid receptor alpha [PML-RARA])
- Patients with R/R AML, defined as:
- Age >= 18 years. Because no dosing or adverse event data are currently available on the use of M3814 in combination with mitoxantrone, etoposide, and cytarabine in patients < 18 years of age, children are excluded from this study, but will be eligible for future pediatric trials
- Eastern Cooperative Oncology Group (ECOG) performance status =< 1 (or Karnofsky >= 60%)
- Serum bilirubin =< 1.5 institutional upper limit of normal (ULN) (For patients with hemolysis, Gilbert's syndrome or liver infiltration with leukemia, serum bilirubin =< 3 x institutional ULN)
Key exclusion criteria (23 listed)
- Patients must not have had prior treatment with MEC
- Patients must not have documented active central nervous system (CNS) involvement by leukemia. Patients with known brain metastases should be excluded from this clinical trial because of their poor prognosis and because they often develop progressive neurologic dysfunction that would confound the evaluation of neurologic and other adverse events (AEs)
- Patients must not have received any other investigational or commercial agents or therapies administered with the intention to treat their leukemia within 14 days or 5 elimination half-lives (whichever is shorter) of first receipt of study drug, with the exception of hydroxyurea and/or leukapheresis used to control white blood cell counts
- Patients who cannot discontinue concomitant medications or herbal supplements that are strong inhibitors or strong inducers of cytochrome P450 (CYP) isoenzymes CYP3A4/5, CYP2C9 and CYP2C19 during treatment with M3814. Concomitant use of CYP1A2, CYP2B6 and CYP3A4/5 substrates with a narrow therapeutic index are also excluded during treatment with M3814. Patients may confer with the study doctor to determine if alternative medications can be used. The following categories of medications and herbal supplements must be discontinued for at least the specified period of time prior to the first dose of M3814:
- Concomitant use of histamine-2 (H2)-blockers or proton pump inhibitors should be avoided as these might affect absorption of M3814; administrations have to be discontinued at least 5 days or 5 elimination half-lives (whichever is shorter) prior to the first dose of M3814. Antacid drugs should not be taken 1 hour before and until 2 hours after M3814 administration
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Biospecimen CollectionAlso: Biological Sample Collection, Biospecimen Collected, Sample Collection, Specimen CollectionUndergo blood sample collection | Procedure or surgery | Treatment (peposertib, mitoxantrone, etoposide, cytarabine) |
| Bone Marrow BiopsyAlso: Biopsy of Bone Marrow, Biopsy, Bone MarrowUndergo bone marrow biopsy | Procedure or surgery | Treatment (peposertib, mitoxantrone, etoposide, cytarabine) |
| CytarabineAlso: .beta.-Cytosine arabinoside, 1-.beta.-D-Arabinofuranosyl-4-amino-2(1H)pyrimidinone, 1-.beta.-D-Arabinofuranosylcytosine, 1-Beta-D-arabinofuranosyl-4-amino-2(1H)pyrimidinoneGiven IV | Drug | Treatment (peposertib, mitoxantrone, etoposide, cytarabine) |
| Echocardiography TestAlso: EC, EchocardiographyUndergo ECHO | Procedure or surgery | Treatment (peposertib, mitoxantrone, etoposide, cytarabine) |
| Etoposide PhosphateAlso: EtopophosGiven IV | Drug | Treatment (peposertib, mitoxantrone, etoposide, cytarabine) |
| Mitoxantrone HydrochlorideAlso: CL 232315, DHAD, DHAQ, Dihydroxyanthracenedione DihydrochlorideGiven IV | Drug | Treatment (peposertib, mitoxantrone, etoposide, cytarabine) |
| Multigated Acquisition ScanAlso: Blood Pool Scan, Equilibrium Radionuclide Angiography, Gated Blood Pool Imaging, Gated Heart Pool ScanUndergo MUGA | Procedure or surgery | Treatment (peposertib, mitoxantrone, etoposide, cytarabine) |
| PeposertibAlso: 3-Pyridazinemethanol, alpha-(2-Chloro-4-fluoro-5-(7-(4-morpholinyl)-4-quinazolinyl)phenyl)-6-methoxy-, (alphaS)-, M 3814, M-3814, M3814Given PO | Drug | Treatment (peposertib, mitoxantrone, etoposide, cytarabine) |
Primary outcome
Incidence of adverse events
Time frame: Up to 5 years
Coded according to the Common Terminology Criteria for Adverse Events version 5.
5 secondary outcomes
Pharmacokinetic (PK) profile of M3814 in combination with mitoxantrone, etoposide, and cytarabine (MEC)
Time frame: Days 1 and 5
Overall response rate
Time frame: Up to 5 years
Duration of CR/CRi
Time frame: From first documented CR/CRi response to relapse, assessed up to 5 years
Event-free survival
Time frame: From study entry to treatment failure (lack of response, i.e., no CR or CRi), relapse from CR or CRi, or death from any cause, assessed up to 5 years
Overall survival
Time frame: From study entry to death from any cause, assessed up to 2 years
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 11 Jun 2026.
- Individual participant dataSharing planned: Yes. NCI is committed to sharing data in accordance with NIH policy. For more details on how clinical trial data is shared, access the link to the NIH data sharing policy page.
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A Study of CLEC2A CAR T for Pediatric and Adult Patients With Relapsed or Refractory AML
Acute Myeloid Leukemia, Acute Myeloid Leukaemia Recurrent
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Brian A Jonas principal investigator
City of Hope Comprehensive Cancer Center LAO
15 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing Biospecimen Collection, Bone Marrow Biopsy and Cytarabine in people with Recurrent Acute Myeloid Leukemia and Refractory Acute Myeloid Leukemia, run by National Cancer Institute (NCI) at 15 sites in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 17 inclusion and 23 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: under way, not looking for participants, as of the sponsor's last update on 11 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 15 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Incidence of adverse events (time frame: Up to 5 years). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Jun 2026.