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Azacitidine and Enasidenib in Treating Patients With IDH2-Mutant Myelodysplastic Syndrome

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT03383575
Recruitment Status : Recruiting
First Posted : December 26, 2017
Last Update Posted : June 25, 2020
Sponsor:
Collaborators:
National Cancer Institute (NCI)
Celgene
Information provided by (Responsible Party):
M.D. Anderson Cancer Center

Brief Summary:
This phase II trial studies the side effects and how well azacitidine and enasidenib work in treating patients with IDH2-mutant myelodysplastic syndrome. Azacitidine and enasidenib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth.

Condition or disease Intervention/treatment Phase
Acute Myeloid Leukemia Blasts 20-30 Percent of Bone Marrow Nucleated Cells Chronic Myelomonocytic Leukemia IDH2 Gene Mutation Myelodysplastic Syndrome With Excess Blasts Recurrent High Risk Myelodysplastic Syndrome Refractory High Risk Myelodysplastic Syndrome Drug: Azacitidine Drug: Enasidenib Other: Quality-of-Life Assessment Phase 2

Detailed Description:

PRIMARY OBJECTIVES:

I. To determine the safety and tolerability of enasidenib alone, and enasidenib in combination with azacitidine (AZA), for patients with isocitrate dehydrogenase 2 (IDH2) mutated myelodysplastic syndrome (MDS).

II. To assess the efficacy of the combination of enasidenib + azacitidine in hypomethylating agent (HMA) naive subjects with IDH2-mutated MDS, and to assess the efficacy of enasidenib single-agent in subjects with IDH2-mutated MDS who are relapsed/refractory to HMA therapy.

SECONDARY OBJECTIVES:

I. To evaluate molecular and cellular markers that may be predictive of antitumor activity and/or resistance including evaluation of IDH2 variant allele fraction (VAF) levels during treatment and presence of co-occurring mutations.

II. To assess overall survival, event-free survival and duration of response of enasidenib alone, and enasidenib in combination with azacitidine.

EXPLORATORY OBJECTIVES:

I. To assess changes in cellular differentiation and changes in deoxyribonucleic acid (DNA) methylation profiles in IDH2-mutated MDS treated with enasidenib alone and with enasidenib + azacitidine.

II. To evaluate quality of life (QOL) using an MDS-specific measure.

OUTLINE: Patients are assigned to 1 of 2 arms.

ARM I: Patients who are HMA-naive receive enasidenib orally (PO) once daily (QD) on days 1-28 and azacitidine intravenously (IV) oveer 30-60 minutes or subcutaneously (SC) on days 1-7. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

ARM II: Patients relapsed and/or refractory to HMA therapy receive enasidenib PO QD on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up every 3 months for up to 3 years.

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 105 participants
Allocation: Non-Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Targeted Therapy With the IDH2-Inhibitor Enasidenib (AG221) for High-Risk IDH2-Mutant Myelodysplastic Syndrome
Actual Study Start Date : January 17, 2018
Estimated Primary Completion Date : February 28, 2022
Estimated Study Completion Date : February 28, 2023


Arm Intervention/treatment
Experimental: Arm I (enasidenib, azacitidine)
Patients who are HMA-naive receive enasidenib PO QD on days 1-28 and azacitidine IV over 30-60 minutes or SC on days 1-7. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
Drug: Azacitidine
Given IV or SC
Other Names:
  • 5 AZC
  • 5-AC
  • 5-Azacytidine
  • 5-AZC
  • Azacytidine
  • Azacytidine, 5-
  • Ladakamycin
  • Mylosar
  • U-18496
  • Vidaza

Drug: Enasidenib
Given PO
Other Names:
  • AG-221
  • CC-90007

Other: Quality-of-Life Assessment
Ancillary studies
Other Name: Quality of Life Assessment

Experimental: Arm II (enasidenib)
Patients relapsed and/or refractory to HMA therapy receive enasidenib PO QD on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
Drug: Enasidenib
Given PO
Other Names:
  • AG-221
  • CC-90007

Other: Quality-of-Life Assessment
Ancillary studies
Other Name: Quality of Life Assessment




Primary Outcome Measures :
  1. Incidence of adverse events [ Time Frame: Up to 3 years ]
    Will use the Bayesian method by Thall, Simon and Estey for toxicity monitoring. For purpose of toxicity monitoring, toxicity is defined as any grade 3 or higher treatment related-toxicities by Common Terminology Criteria for Adverse Events criteria.

  2. Overall response rate [ Time Frame: Up to 3 years ]
    Defined as complete response (CR), partial response, and marrow CR assessed by International Working Group criteria. Will be estimated along with the 90% credible interval.


Secondary Outcome Measures :
  1. Event-free survival (EFS) [ Time Frame: Up to 3 years ]
    The Kaplan-Meier method will be used to estimate the probabilities of EFS. Log-rank tests will be used to compare among subgroups of patients in terms of EFS.

  2. Overall survival (OS) [ Time Frame: Up to 3 years ]
    The Kaplan-Meier method will be used to estimate the probabilities of OS. Log-rank tests will be used to compare among subgroups of patients in terms of OS.

  3. Anti-tumor activity [ Time Frame: Up to 3 years ]
    Will be summarized graphically and with descriptive statistics.

  4. Pharmadynamics (PDn) markers [ Time Frame: Up to 3 years ]
    PDn markers will be summarized graphically and with descriptive statistics.

  5. Drug exposure levels [ Time Frame: Up to 3 years ]
    Will be summarized graphically and with descriptive statistics.


Other Outcome Measures:
  1. Biomarkers analysis [ Time Frame: Up to 3 years ]
    The association between molecular and cellular markers and overall response and/or resistance will be assessed through logistic regression analyses. Paired t-test or Wilcoxon signed rank test will be used to assess the marker change over time.



Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


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Ages Eligible for Study:   12 Years and older   (Child, Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Signed, informed consent must be obtained prior to any study specific procedures
  • Subjects with a histologically confirmed diagnosis of MDS, including both MDS and refractory anemia with excess blasts in transformation (RAEB-T) (acute myeloid leukemia [AML] with 20-30% blasts and multilineage dysplasia by French-American-British [FAB] criteria) by World Health Organization (WHO), and chronic myelomonocytic leukemia (CMML) are eligible
  • Subjects must have an IDH2 gene mutation (IDH2-R140 or R172) as determined by local laboratory result
  • (Arm A only): Subject must be hypomethylating agent naive (i.e. prior azacitidine, decitabine, SGI-110 is exclusionary). Receipt of other MDS-directed therapy such as lenalidomide is allowed
  • (Arm A only): Subjects with high-risk MDS (i.e. International Prostate Symptom Score [IPSS] intermediate-2 or high-risk; or revised [R]-IPSS high or very-high risk). Patients with intermediate-1 risk by IPSS or intermediate risk by R-IPSS with high-risk molecular features including TP53, ASXL1, EZH2, and/or RUNX1 mutations are also eligible
  • (Arm B only): Subject must be relapsed or refractory to prior hypomethylating agent therapy, defined as prior receipt of 6 cycles of HMA therapy with failure to attain a response, or relapse after prior response to HMA therapy
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0-2
  • Serum bilirubin =< 2 x the upper limit of normal (ULN) (except for patients with Gilbert's disease)
  • Alanine aminotransferase (ALT) and/or aspartate aminotransferase (AST) =< 3 x the laboratory ULN
  • Serum creatinine =< 2 x the ULN
  • Able to understand and voluntarily sign a written informed consent, and willing and able to comply with protocol requirements
  • Resolution of all clinically significant treatment-related, non-hematological toxicities, except alopecia, from any previous cancer therapy to =< grade 1 prior to the first dose of study treatment
  • Female patients of childbearing potential must have a negative serum or urine pregnancy test within 7 days of the first dose of study drug and agree to use dual methods of contraception during the study and for a minimum of 3 months following the last dose of study drug. Post-menopausal females (> 45 years old and without menses for > 1 year) and surgically sterilized females are exempt from these requirements. Male patients must use an effective barrier method of contraception during the study and for a minimum of 3 months following the last dose of study drug if sexually active with a female of childbearing potential

Exclusion Criteria:

  • Any prior or coexisting medical condition that in the investigator's judgment will substantially increase the risk associated with the subject's participation in the study
  • Subject has received a prior targeted IDH2 inhibitor
  • Psychiatric disorders or altered mental status precluding understanding of the informed consent process and/or completion of the necessary study procedures
  • Active uncontrolled infection at study enrollment including known diagnosis of human immunodeficiency virus or chronic active hepatitis B or C infection
  • Clinically significant gastrointestinal conditions or disorders that may interfere with study drug absorption, including prior gastrectomy
  • Patients with known active central nervous system (CNS) disease, including leptomeningeal involvement
  • Impaired cardiac function, uncontrolled cardiac arrhythmia, or clinically significant cardiac disease including the following: a) New York Heart Association grade III or IV congestive heart failure, b) myocardial infarction within the last 6 months
  • Subjects with a corrected QT (QTc) > 480 ms (QTc > 510 msec for subjects with a bundle branch block at baseline
  • Nursing or pregnant women
  • Subjects with known hypersensitivity to study drugs or their excipients

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03383575


Contacts
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Contact: Courtney DiNardo, MD 713-794-1141 cdinardo@mdanderson.org

Locations
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United States, Maryland
Johns Hopkins University/Sidney Kimmel Cancer Center Recruiting
Baltimore, Maryland, United States, 21287
Contact: Amy E. DeZern    410-955-8964    adezern1@jhmi.edu   
Principal Investigator: Amy E. DeZern         
United States, Ohio
Cleveland Clinic Foundation Recruiting
Cleveland, Ohio, United States, 44195
Contact: Mikkael A. Sekeres    216-444-6833    SEKEREM@ccf.org   
Contact: New Patient Contact Email       TaussigResearch@ccf.org   
Principal Investigator: Mikkael A. Sekeres         
United States, Texas
M D Anderson Cancer Center Recruiting
Houston, Texas, United States, 77030
Contact: Courtney DiNardo    713-794-1141      
Principal Investigator: Courtney DiNardo         
Sponsors and Collaborators
M.D. Anderson Cancer Center
National Cancer Institute (NCI)
Celgene
Investigators
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Principal Investigator: Courtney DiNardo M.D. Anderson Cancer Center
Additional Information:
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Responsible Party: M.D. Anderson Cancer Center
ClinicalTrials.gov Identifier: NCT03383575    
Other Study ID Numbers: 2016-0981
NCI-2018-00987 ( Registry Identifier: CTRP (Clinical Trial Reporting Program) )
2016-0981 ( Other Identifier: M D Anderson Cancer Center )
P30CA016672 ( U.S. NIH Grant/Contract )
First Posted: December 26, 2017    Key Record Dates
Last Update Posted: June 25, 2020
Last Verified: June 2020

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Leukemia
Preleukemia
Leukemia, Myelomonocytic, Chronic
Leukemia, Myelomonocytic, Juvenile
Myelodysplastic Syndromes
Anemia, Refractory, with Excess of Blasts
Syndrome
Disease
Pathologic Processes
Neoplasms by Histologic Type
Neoplasms
Leukemia, Myeloid
Bone Marrow Diseases
Hematologic Diseases
Precancerous Conditions
Myelodysplastic-Myeloproliferative Diseases
Anemia, Refractory
Anemia
Azacitidine
Antimetabolites, Antineoplastic
Antimetabolites
Molecular Mechanisms of Pharmacological Action
Antineoplastic Agents
Enzyme Inhibitors