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Quizartinib With Standard of Care Chemotherapy and as Continuation Therapy in Patients With Newly Diagnosed FLT3-ITD (+) Acute Myeloid Leukemia (AML) (QuANTUM-First)

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. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT02668653
Recruitment Status : Active, not recruiting
First Posted : January 29, 2016
Results First Posted : October 5, 2022
Last Update Posted : December 29, 2022
Sponsor:
Information provided by (Responsible Party):
Daiichi Sankyo, Inc.

Study Description
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Brief Summary:

Quizartinib is an experimental drug. It is not approved for regular use. It can only be used in medical research.

Adults might be able to join this study after bone marrow tests show they have a certain kind of blood cancer (FLT3-ITD AML).

Participants will have an equal chance of receiving quizartinib or placebo along with their chemotherapy.


Condition or disease Intervention/treatment Phase
Acute Myeloid Leukemia Leukemia Drug: Chemotherapy Drug: Quizartinib Drug: Placebo Phase 3

Detailed Description:
This is a phase 3, randomized, double-blind, placebo-control global study. The purpose of this study is to compare the effect of quizartinib versus placebo (administered with standard induction and consolidation chemotherapy, then administered as continuation therapy for up to 36 cycles) on overall survival in subjects with FLT3-internal tandem duplication (ITD) positive AML.
Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 539 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Phase 3, Double-Blind, Placebo-controlled Study of Quizartinib Administered in Combination With Induction and Consolidation Chemotherapy, and Administered as Continuation Therapy in Subjects 18 to 75 Years Old With Newly Diagnosed FLT3-ITD (+) Acute Myeloid Leukemia (QuANTUM First)
Actual Study Start Date : September 2016
Actual Primary Completion Date : August 13, 2021
Estimated Study Completion Date : August 2023

Resource links provided by the National Library of Medicine


Arms and Interventions
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Arm Intervention/treatment
Experimental: Chemotherapy plus quizartinib

Induction: up to 2 cycles with cytarabine and daunorubicin/idarubicin, followed by the experimental drug quizartinib

Consolidation: up to 4 cycles of cytarabine followed by the experimental drug quizartinib and/or hematopoeitic stem cell transplant

Continuation: up to 36 cycles with the experimental drug quizartinib

 Drug: Chemotherapy
Other Names:
  • Cytarabine
  • Daunorubicin
  • Idarubicin

Drug: Quizartinib
Other Name: Test Product
Active Comparator: Chemotherapy plus placebo

Induction: up to 2 cycles with cytarabine and daunorubicin/idarubicin, followed by placebo

Consolidation: up to 4 cycles of cytarabine followed by placebo and/or hematopoeitic stem cell transplant

Continuation: up to 36 cycles with placebo

 Drug: Chemotherapy
Other Names:
  • Cytarabine
  • Daunorubicin
  • Idarubicin

Drug: Placebo
Other Name: Placebo Control


Outcome Measures
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Primary Outcome Measures :
  1. Overall Survival in Participants With Newly Diagnosed FLT3-ITD (+) Acute Myeloid Leukemia [ Time Frame: Date of randomization to the date of death due to any cause, up to approximately 3 years after enrollment ]
    Overall survival is defined as the time from randomization until death from any cause.


Secondary Outcome Measures :
  1. Event-free Survival in Participants With Newly Diagnosed FLT3-ITD (+) Acute Myeloid Leukemia [ Time Frame: Date of randomization to the date of refractory disease, relapse, or death, up to approximately 3 years after enrollment ]
    Event-free survival (EFS) is the time from randomization to the earliest date of either refractory disease (or treatment failure [TF]), relapse, or death from any cause. Refractory disease is defined as complete remission never achieved during Induction (CR: >1000 neutrophils, >100,000 platelets, <5% blasts, and other [defined as absence of extramedullary disease [EMD], blasts with rods, and leukemic blasts]). For refractory disease, EFS event date is Day 1 (randomization). Relapse after CR is defined as ≥5% blasts, leukemic blasts, extramedullary leukemia, and presence of rods. This analysis is based on a response assessment with TF defined as not achieving response of CR, using a 42- day window from the start of the last cycle in Induction for CR evaluation.

  2. Complete Remission (CR) Rate at the End of Induction in Participants With Newly Diagnosed FLT3-ITD (+) Acute Myeloid Leukemia [ Time Frame: Approximately Cycle 1 Day 21 (Induction) to end of Induction, up to approximately 120 days (each Induction cycle is up to 60 days) ]
    Complete remission (CR) rate is defined as the percentage of participants achieving CR, defined as a disappearance of all target lesions, after Induction.

  3. Composite CR Rate at the End of Induction in Participants With Newly Diagnosed FLT3-ITD (+) Acute Myeloid Leukemia [ Time Frame: Approximately Cycle 1 Day 21 (Induction) to end of Induction, up to approximately 120 days (each Induction cycle is up to 60 days) ]
    Composite complete remission (CRc) rate is defined as the percentage of participants whose best response is complete remission (CR), defined as a disappearance of all target lesions, or CR with incomplete neutrophil or platelet recovery (CRi) at the end of first Induction cycle.

  4. Number of Participants With Treatment-emergent Adverse Events Occurring in ≥10% Participants With Newly Diagnosed FLT3-ITD (+) Acute Myeloid Leukemia [ Time Frame: Date of first dose up to 30 days after last dose, up to 36 cycles following continuation (approximately 6 years 11 months, each cycle is 28 days) ]
    A treatment-emergent adverse event (TEAE) is defined as an adverse event that occur, having been absent before first dose of quizartinib or placebo, or have worsened in severity after initiating quizartinib or placebo. Adverse events collected more than 30 days after the last dose of quizartinib/placebo will not be considered TEAEs unless they are considered drug-related.

  5. Number of Participants Achieving CR With FLT3-ITD Minimal Residual Disease Negativity at the End of Induction in Participants With Newly Diagnosed FLT3-ITD (+) Acute Myeloid Leukemia [ Time Frame: Approximately Cycle 1 Day 21 (Induction phase) to end of Induction phase, up to approximately 120 days (each Induction cycle is up to 60 days) ]
    Complete remission (CR) is defined as participants achieving CR defined as a disappearance of all target lesions. Minimal or measurable residual disease is the presence of a small number of leukemic cells in the bone marrow of patients with AML below the level of detection using conventional morphologic assessment.

  6. Number of Participants Achieving Composite CR With FLT3-ITD Minimal Residual Disease Negativity at the End of Induction in Participants With Newly Diagnosed FLT3-ITD (+) Acute Myeloid Leukemia [ Time Frame: Approximately Cycle 1 Day 21 (Induction phase) to end of Induction phase, up to approximately 120 days (each Induction cycle is up to 60 days) ]
    Composite complete remission (CRc) is defined as participants achieving complete remission (CR), defined as a disappearance of all target lesions, or CR with incomplete neutrophil or platelet recovery (CRi). Minimal or measurable residual disease is the presence of a small number of leukemic cells in the bone marrow of patients with AML below the level of detection using conventional morphologic assessment.

  7. Pharmacokinetic Parameter Area Under the Concentration Versus Time Curve at Steady State [ Time Frame: Induction Cycle 1: Day 8, predose, 2-4 hours (hr) postdose on Days 8, 15, 21; Consolidation Cycle 1: Day 6, predose, 2-4 hr postdose on Days 6, 13, 19; Continuation Cycle 1: 2-4 hr postdose, Days 1, 8, 15; Cycle 2 Days 1 and 15 (each cycle, 28 days) ]
    AUCss was assessed by population PK analysis during Cycle 1 of each phase.

  8. Pharmacokinetic Parameter Steady State, Maximum Plasma Concentration (Css,Max) [ Time Frame: Induction Cycle 1: Day 8, predose, 2-4 hours (hr) postdose on Days 8, 15, 21; Consolidation Cycle 1: Day 6, predose, 2-4 hr postdose on Days 6, 13, 19; Continuation Cycle 1: 2-4 hr postdose, Days 1, 8, 15; Cycle 2 Days 1 and 15 (each cycle, 28 days) ]
    Css,max was assessed by population PK analysis during Cycle 1 of each phase.

  9. Pharmacokinetic Parameter Time to Maximum Plasma Concentration Steady State (Tmax,ss) [ Time Frame: Induction Cycle 1: Day 8, predose, 2-4 hours (hr) postdose on Days 8, 15, 21; Consolidation Cycle 1: Day 6, predose, 2-4 hr postdose on Days 6, 13, 19; Continuation Cycle 1: 2-4 hr postdose, Days 1, 8, 15; Cycle 2 Days 1 and 15 (each cycle, 28 days) ]
    Tmax,ss was assessed by population PK analysis during Cycle 1 of each phase.


Eligibility Criteria
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Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 75 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. Must be competent and able to comprehend, sign, and date an Ethics Committee (EC) or Institutional Review Board approved Informed Consent Form (ICF) before performance of any study-specific procedures or tests;
  2. Is ≥18 years or the minimum legal adult age (whichever is greater) and ≤75 years (at Screening);
  3. Newly diagnosed, morphologically documented primary AML or AML secondary to myelodysplastic syndrome or a myeloproliferative neoplasm, based on the World Health Organization (WHO) 2008 classification (at Screening);
  4. Eastern Cooperative Oncology Group (ECOG) performance status 0-2 (at the time the participant signs their first ICF);
  5. Presence of FLT3-ITD activating mutation in bone marrow (allelic ratio of ≥3% FLT3-ITD/total FLT3);
  6. Participant is receiving standard "7+3" induction chemotherapy regimen as specified in the protocol;

  7. Adequate renal function defined as:

    a. Creatinine clearance >50 mL/min, as calculated with the modified Cockcroft Gault equation

  8. Adequate hepatic function defined as:

    1. Total serum bilirubin (TBL) ≤1.5 × upper limit of normal (ULN) unless the participant has documented Gilbert's syndrome or the increase is related to increased unconjugated (indirect) bilirubin due to hemolysis;
    2. Serum alkaline phosphatase, aspartate transaminase (AST) and alanine transaminase (ALT) ≤2.5 × ULN;
  9. Serum electrolytes within normal limits: potassium, calcium (total, or corrected for serum albumin in case of hypoalbuminemia or ionized calcium) and magnesium. If outside of normal limits, participant will be eligible when electrolytes are corrected;
  10. If a woman of childbearing potential, must have a negative serum pregnancy test upon entry into this study and must be willing to use highly effective birth control upon enrollment, during the treatment period and for 6 months following the last dose of investigational drug or cytarabine, whichever is later. A woman is considered of childbearing potential following menarche and until becoming postmenopausal (no menstrual period for a minimum of 12 months);
  11. If male, must be surgically sterile or willing to use highly effective birth control upon enrollment, during the treatment period, and for 6 months following the last dose of investigational drug or cytarabine, whichever is later.

Exclusion Criteria:

  1. Diagnosis of acute promyelocytic leukemia (APL), French-American-British classification M3 or WHO classification of APL with translocation, t(15;17)(q22;q12), or breakpoint cluster region-Abelson murine leukemia viral oncogene homolog 1 (BCR-ABL) positive leukemia (ie, chronic myelogenous leukemia in blast crisis); participants who undergo diagnostic workup for APL and treatment with all-trans retinoic acid (ATRA), but who are found not to have APL, are eligible (treatment with ATRA must be discontinued before starting induction chemotherapy).
  2. Diagnosis of AML secondary to prior chemotherapy or radiotherapy for other neoplasms;

  3. Prior treatment for AML, except for the following allowances:

    • Leukapheresis;
    • Treatment for hyperleukocytosis with hydroxyurea;
    • Cranial radiotherapy for central nervous system (CNS) leukostasis;
    • Prophylactic intrathecal chemotherapy;
    • Growth factor/cytokine support;
  4. Prior treatment with quizartinib or other FLT3-ITD inhibitors;
  5. Prior treatment with any investigational drug or device within 30 days prior to Randomization (within 2 weeks for investigational or approved immunotherapy) or currently participating in other investigational procedures;
  6. History of known CNS leukemia, including cerebrospinal fluid positive for AML blasts; lumbar puncture is recommended for participants with symptoms of CNS leukemia to rule out extramedullary CNS involvement;
  7. History of other malignancies, except adequately treated non-melanoma skin cancer, curatively treated in-situ disease, or other solid tumors curatively treated with no evidence of disease for at least 2 years;

  8. Uncontrolled or significant cardiovascular disease, including any of the following:

    • Bradycardia of less than 50 beats per minute, unless the participant has a pacemaker;
    • Fridericia's Heart Rate Correction Formula (QTcF) interval >450 msec;
    • Diagnosis of or suspicion of long QT syndrome (including family history of long QT syndrome);
    • Systolic blood pressure ≥180 mmHg or diastolic blood pressure ≥110 mmHg;
    • History of clinically relevant ventricular arrhythmias (eg, ventricular tachycardia, ventricular fibrillation, or Torsade de Pointes);
    • History of second (Mobitz II) or third degree heart block (participants with pacemakers are eligible if they have no history of fainting or clinically relevant arrhythmias while using the pacemaker);
    • History of uncontrolled angina pectoris or myocardial infarction within 6 months prior to Screening;
    • History of New York Heart Association Class 3 or 4 heart failure;
    • Known history of left ventricular ejection fraction (LVEF) ≤45% or less than the institutional lower limit of normal;
    • Complete left bundle branch block;
  9. Active acute or chronic systemic fungal, bacterial, or viral infection not well controlled by antifungal, antibacterial or antiviral therapy;
  10. Known active clinically relevant liver disease (eg, active hepatitis B, or active hepatitis C);
  11. Known history of human immunodeficiency virus (HIV). Participants should be tested for HIV prior to Randomization if required by local regulations or EC;
  12. History of hypersensitivity to any excipients in the quizartinib/placebo tablets;
  13. Females who are pregnant or breastfeeding;
  14. Otherwise considered inappropriate for the study by the Investigator.
Contacts and Locations
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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): NCT02668653


Locations
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Sponsors and Collaborators
Daiichi Sankyo, Inc.
Investigators
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Study Director: Global Clinical Leader Daiichi Sankyo, Inc.
  Study Documents (Full-Text)

Documents provided by Daiichi Sankyo, Inc.:
Study Protocol and Statistical Analysis Plan  [PDF] May 26, 2021

More Information
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Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

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Responsible Party: Daiichi Sankyo, Inc.
ClinicalTrials.gov Identifier: NCT02668653    
Other Study ID Numbers: AC220-A-U302
2015-004856-24 ( EudraCT Number )
173667 ( Registry Identifier: JAPIC CTI )
First Posted: January 29, 2016    Key Record Dates
Results First Posted: October 5, 2022
Last Update Posted: December 29, 2022
Last Verified: November 2022
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: De-identified individual participant data (IPD) and applicable supporting clinical trial documents may be available upon request at https://vivli.org/. In cases where clinical trial data and supporting documents are provided pursuant to our company policies and procedures, Daiichi Sankyo will continue to protect the privacy of our clinical trial participants. Details on data sharing criteria and the procedure for requesting access can be found at this web address: https://vivli.org/ourmember/daiichi-sankyo/
Supporting Materials: Study Protocol
Statistical Analysis Plan (SAP)
Informed Consent Form (ICF)
Time Frame: Studies for which the medicine and indication have received European Union (EU) and United States (US), and/or Japan (JP) marketing approval on or after 01 January 2014 or by the US or EU or JP Health Authorities when regulatory submissions in all regions are not planned and after the primary study results have been accepted for publication.
Access Criteria: Formal request from qualified scientific and medical researchers on IPD and clinical study documents from clinical trials supporting products submitted and licensed in the United States, the European Union and/or Japan from 01 January 2014 and beyond for the purpose of conducting legitimate research. This must be consistent with the principle of safeguarding study participants' privacy and consistent with provision of informed consent.
URL: https://vivli.org/ourmember/daiichi-sankyo/

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Daiichi Sankyo, Inc.:
Newly diagnosed Acute Myeloid Leukemia
FLT3-ITD positive
Chemotherapy
Induction chemotherapy
Consolidation chemotherapy
 Quizartinib
Feline McDonough sarcoma (FMS)-like tyrosine kinase 3
AC220
FLT3-ITD
AML
Additional relevant MeSH terms:
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Leukemia
Leukemia, Myeloid
Leukemia, Myeloid, Acute
Neoplasms by Histologic Type
Neoplasms
Cytarabine
Daunorubicin
Idarubicin
Antimetabolites, Antineoplastic
Antimetabolites
Molecular Mechanisms of Pharmacological Action
 Antineoplastic Agents
Antiviral Agents
Anti-Infective Agents
Immunosuppressive Agents
Immunologic Factors
Physiological Effects of Drugs
Antibiotics, Antineoplastic
Topoisomerase II Inhibitors
Topoisomerase Inhibitors
Enzyme Inhibitors