- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03701295
Pinometostat and Azacitidine in Treating Patients With Relapsed, Refractory, or Newly Diagnosed Acute Myeloid Leukemia With 11q23 Rearrangement
A Phase Ib/II Study of the Histone Methyltransferase Inhibitor Pinometostat in Combination With Azacitidine in Patients With 11q23-Rearranged Acute Myeloid Leukemia
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
PRIMARY OBJECTIVES:
I. To determine if the combination of pinometostat, at a dose of 54 or 90 mg/m^2/day, and azacitidine, at a dose of 75 mg/m^2 daily for 7 days, is safe and tolerable in patients with MLL-rearranged acute myeloid leukemia, either in the relapsed/ refractory setting or in those who choose not to undergo standard induction therapy in the previously untreated setting. (Phase Ib) II. To determine the preliminary efficacy, as determined by overall response rate (complete response [CR], complete response with incomplete bone marrow recovery [CRi], partial response [PR], and morphologic leukemia-free state [MLFS]), of pinometostat administered at the maximum tolerated dose from the phase 1b, combined with azacitidine administered at 75 mg/m^2 daily for 7 days, in patients with MLL-rearranged acute myeloid leukemia, either in the relapsed/refractory setting or in those who choose not to undergo standard induction therapy in the previously untreated setting. (Phase II)
SECONDARY OBJECTIVES:
I. Perform correlative studies to evaluate for on-target effects, cellular differentiation, and decreased leukemia cell proliferation in these patients. (Phase Ib and II) II. To observe and record anti-tumor activity. (Phase Ib)
OUTLINE: This is a phase Ib, dose-escalation study of pinometostat followed by a phase II study.
Patients receive pinometostat intravenously (IV) continuously on days 1-28 and azacitidine IV over 10-40 minutes or subcutaneously (SC) for 7 of the first 10 days of the cycle. Treatment repeats every 28 days for 6 cycles in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up for 1 month.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
-
-
New York
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New York, New York, United States, 10065
- Memorial Sloan Kettering Cancer Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients must have histologically or cytologically confirmed acute myeloid leukemia
- Patients must have an 11q23 translocation or partial tandem duplication, confirmed by cytogenetics, fluorescence in situ hybridization (FISH), or myeloid panel. Both de novo and therapy-related acute myeloid leukemia (AML) with an 11q23 rearrangement or partial tandem duplication (PTD) are considered eligible
- Patients may not have any other targetable mutations (such as FLT3, IDH1, and IDH2) identified on myeloid mutational panel testing or must refuse treatment with a targeted agent if such a mutation is detected
- Eastern Cooperative Oncology Group (ECOG) performance status < 3 (Karnofsky > 60%)
- Prothrombin time (PT) and activated partial thromboplastin time (aPTT) =< 1.5 x upper limit of normal (ULN)
- Total bilirubin < 2 times the upper limit of institutional normal (ULN) unless due to Gilbert's disease
- Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamic pyruvic transaminase [SGPT]) =< 2.5 x institutional upper limit of normal
- Creatinine =< 2 times the upper limit of institutional normal (ULN) OR creatinine clearance glomerular filtration rate (GFR) >= 30 mL/min/1.73 m^2
- Patients treated in the up-front setting must decline standard-of-care therapy
- Ability to understand and the willingness to sign a written informed consent document. Participants with impaired decision-making capacity with a close legal guardian/caregiver may be considered
- Patients must have measurable disease, defined as abnormal blasts detectable in the peripheral blood or bone marrow or the presence of extramedullary disease, including leukemia cutis. Patients with extramedullary disease but no bone marrow disease are still considered eligible
- Patients may have had previous treatment with standard-of-care or experimental agents. Patients who have previously undergone bone marrow transplantation may also be included
Patients who are human immunodeficiency virus (HIV) positive (+), hepatitis B virus (HBV)+, and/or hepatitis C virus (HCV)+ may be eligible as follows:
- Human immunodeficiency virus (HIV)-infected patients on effective antiretroviral therapy with undetectable viral load within 6 months are eligible for this trial. The antiretroviral therapy should not strongly induce or inhibit CYP3A4
- If evidence of chronic hepatitis B virus (HBV) infection, HBV viral load must be undetectable on suppressive therapy if indicated
- If history of hepatitis C virus (HCV) infection, must be treated with undetectable HCV viral load
- The effects of pinometostat on the developing human fetus are unknown. For this reason and because histone methyltransferase inhibitors as well as hypomethylating agents are known to be teratogenic, women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, and for the duration of study participation and for 4 weeks after the last dose of study treatment. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately. Men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study, for the duration of study participation, and 90 days after completion of pinometostat and azacitidine administration
Exclusion Criteria:
- Patients who are receiving any other investigational agents
- Patients with active central nervous system (CNS) disease are excluded from this clinical trial because they may develop progressive neurologic dysfunction that would confound the evaluation of neurologic and other adverse events. Patients with a prior history of CNS disease will not be excluded
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to pinometostat or azacitidine
- Patients receiving any medications or substances that are inhibitors or inducers of the CYP3A4 or CYP450 system should have their medications reviewed and adjusted for interactions as appropriate for local institutional practice. Because the lists of these agents are constantly changing, it is important to regularly consult a frequently-updated medical reference. As part of the enrollment/informed consent procedures, the patient will be counseled on the risk of interactions with other agents, and what to do if new medications need to be prescribed or if the patient is considering a new over-the-counter medicine or herbal product
- Patients receiving any medications or substances that are inhibitors or inducers of MATE1 and MATE2-K transporters should have their medications reviewed and adjusted for interactions as appropriate for local institutional practice. Pinometostat has been demonstrated to be an inhibitor of MATE1 and MATE2-K transporters in vitro, although the clinical significance of this is unclear. Drug interactions may occur between pinometostat and other therapies that are MATE substrates, including metformin. Consultation with a frequently updated medical reference and/or pharmacist should be sought to guide necessary changes in the patient's other medications
- Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, uncontrolled or clinically significant cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements. Patients with these conditions that are medically well controlled may be considered for enrollment
- Pregnant women are excluded from this study because pinometostat is an agent with the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with pinometostat, breastfeeding should be discontinued if the mother is treated with pinometostat. These potential risks may also apply to other agents used in this study
- HIV-positive patients on combination antiretroviral therapy should have their regimen reviewed for potential pharmacokinetic interactions with pinometostat and azacitidine. In the event of a potential interaction, alternative therapies may be considered in consultation with the patient's primary HIV physician
- Absence of an 11q23 rearrangement or absence of an 11q23 partial tandem duplication
- Patients with an active bleeding diathesis
- Patients at increased risk of QT prolongation (e.g. from known long-QT syndrome) or who have a corrected QT interval that is persistently longer than 450 ms despite adjustments to other medications
- Patients who are eligible for or willing to receive intensive induction therapy for de novo AML
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment (pinometostat, azacitidine)
Patients receive pinometostat IV continuously on days 1-28 and azacitidine IV over 10-40 minutes or SC for 7 of the first 10 days of the cycle.
Treatment repeats every 28 days for 6 cycles in the absence of disease progression or unacceptable toxicity.
|
Given IV or SC
Other Names:
Given IV
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of Dose-limiting Toxicities (DLTs) (Phase Ib)
Time Frame: Up to day 42
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Safety and tolerability will be assessed by evaluating the number of patients out of 6 who experience a DLT defined as a significant suspected adverse reaction or clinically significant abnormal laboratory value assessed as unrelated to disease progression, intercurrent illness, or concomitant medications.
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Up to day 42
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Response Rate (Phase II)
Time Frame: Up to the time of count recovery after 6 cycles of combination therapy
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Will be defined by the 2017 European Leukemia Network guidelines and as the number of patients who achieve a complete response (CR), complete response with incomplete bone marrow recovery (CRi), partial response (PR), or morphologic leukemia-free state (MLFS), with or without minimal residual disease (MRD), at any time point.
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Up to the time of count recovery after 6 cycles of combination therapy
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Patients Who Experience a DLT (Phase Ib)
Time Frame: Up to day 42
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Up to day 42
|
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Change in H3K79 Methylation (Phase Ib)
Time Frame: Baseline up to day 28
|
Will compare quantitative methylation and methylation valence (e.g. if H3K27 has been methylated once, twice, or three times) from baseline and subsequent bone marrow samples using descriptive statistics and graphical displays.
A Wilcoxon signed rank test will be used to assess post-treatment differences as compared to baseline.
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Baseline up to day 28
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Change in Expression Levels of HOXA9 and Meis1 (Phase Ib)
Time Frame: Baseline up to day 28
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Will compare expression level by quantitative polymerase chain reaction (qPCR) of HOXA9 and Meis1 levels from baseline and subsequent bone marrow samples using descriptive statistics and graphical displays.
A Wilcoxon signed rank test will be used to assess post-treatment differences as compared to baseline.
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Baseline up to day 28
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Fraction of Cells With 11q23 Rearrangements (Phase Ib)
Time Frame: Up to day 28
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Samples will be banked, and cytogenetic and fluorescence in situ hybridization (FISH) analysis of these cells will be performed to evaluate for the presence of MLL-rearrangement in patients who respond to therapy.
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Up to day 28
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Change in Absolute Neutrophil/Absolute Monocyte Count (Phase Ib)
Time Frame: Baseline up to day 28
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Will evaluate differentiation by performing a differential on the bone marrow biopsy and peripheral blood samples at baseline and from subsequent time points and assessing percentage of monocytes / neutrophils, bands, and myeloid forms present.
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Baseline up to day 28
|
Number of Patients Who Experience a DLT (Phase II)
Time Frame: Up to 1 month post-treatment
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Up to 1 month post-treatment
|
|
Response Rate Based on Relapsed / Refractory or Previously Untreated Status (Phase II)
Time Frame: Up to 1 month post-treatment
|
Patients will be stratified based on treatment for relapsed / refractory or previously untreated disease.
The response of each stratum to combination therapy, defined as CR, CRi, MLFS, or PR, with or without MRD, on bone marrow biopsy as defined by the 2017 European Leukemia Network guidelines, will be described.
Kaplan-Meier estimates will be calculated and compared for each stratum.
A report will be generated to look at all patients, all eligible patients who were enrolled, and all evaluable patients.
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Up to 1 month post-treatment
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Change in H3K79 Methylation (Phase II)
Time Frame: Baseline up to 1 month post-treatment
|
Will compare quantitative methylation and methylation valence (e.g. if H3K27 has been methylated once, twice, or three times) from baseline and subsequent bone marrow samples using descriptive statistics and graphical displays.
A Wilcoxon signed rank test will be used to assess post-treatment differences as compared to baseline.
|
Baseline up to 1 month post-treatment
|
Change in Expression Levels of HOXA9 and Meis1 (Phase II)
Time Frame: Baseline up to 1 month post-treatment
|
Will compare expression level by qPCR of HOXA9 and Meis1 levels from baseline and subsequent bone marrow samples using descriptive statistics and graphical displays.
A Wilcoxon signed rank test will be used to assess post-treatment differences as compared to baseline.
|
Baseline up to 1 month post-treatment
|
Fraction of Cells With 11q23 Rearrangements (Phase II)
Time Frame: Up to 1 month post-treatment
|
Samples will be banked, and cytogenetic and FISH analysis of these cells will be performed to evaluate for the presence of MLL-rearrangement in patients who respond to therapy.
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Up to 1 month post-treatment
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Change in Absolute Neutrophil / Absolute Monocyte Count (Phase II)
Time Frame: Baseline up to the end of course 1
|
Will evaluate differentiation by performing a differential on the bone marrow biopsy and peripheral blood samples at baseline and from subsequent time points and assessing percentage of monocytes / neutrophils, bands, and myeloid forms present.
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Baseline up to the end of course 1
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incorporation of 5-aza-2'-Deoxycytidine Into Genomic Deoxyribonucleic Acid (DNA) and the Extent of Global DNA Methylation (Phase Ib and II)
Time Frame: Up to 1 month post-treatment
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Will correlate with systemic azacitidine exposure and pharmacodynamics effects.
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Up to 1 month post-treatment
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Kamal Menghrajani, JHU Sidney Kimmel Comprehensive Cancer Center LAO
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- NCI-2018-02128 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
- UM1CA186691 (U.S. NIH Grant/Contract)
- 10200 (Other Identifier: CTEP)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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