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A Trial of the FMS-like Tyrosine Kinase 3 (FLT3) Inhibitor Gilteritinib Administered as Maintenance Therapy Following Allogeneic Transplant for Patients With FLT3/Internal Tandem Duplication (ITD) Acute Myeloid Leukemia (AML)

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ClinicalTrials.gov Identifier: NCT02997202
Recruitment Status : Recruiting
First Posted : December 19, 2016
Last Update Posted : October 9, 2018
Sponsor:
Collaborators:
National Heart, Lung, and Blood Institute (NHLBI)
Blood and Marrow Transplant Clinical Trials Network
Information provided by (Responsible Party):
Astellas Pharma Inc ( Astellas Pharma Global Development, Inc. )

Brief Summary:
The purpose of this study is to compare relapse-free survival between participants with FLT3/ITD AML in first morphologic complete remission (CR1) who undergo hematopoietic stem cell transplant (HCT) and are randomized to receive gilteritinib or placebo beginning after the time of engraftment for a two year period.

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

Expanded Access : An investigational treatment associated with this study is available outside the clinical trial.   More info ...

Detailed Description:
Participants with FLT3/ITD AML in first morphologic complete remission (CR1) undergoing allogeneic hematopoietic stem cell transplant (HCT) will be randomized to receive gilteritinib or placebo 30 to 90 days after HCT for a two year period. Participants will be stratified according to: 1) conditioning regimen intensity (myeloablative vs. reduced intensity/non-myeloablative), 2) time from first day of hematopoietic cell infusion to randomization (30-60 days vs. 61-90 days) and 3) presence vs absence of or unknown minimal residual disease (MRD) from the most recent pre-registration bone marrow (BM) aspirate.

Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 346 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Multi-center, Randomized, Double-blind, Placebo-controlled Phase III Trial of the FLT3 Inhibitor Gilteritinib Administered as Maintenance Therapy Following Allogeneic Transplant for Patients With FLT3/ITD AML
Actual Study Start Date : June 7, 2017
Estimated Primary Completion Date : August 2024
Estimated Study Completion Date : August 2024


Arm Intervention/treatment
Experimental: Gilteritinib
Participants will take gilteritinib once daily for continuous daily dosing.
Drug: gilteritinib
oral

Placebo Comparator: Placebo
Participants will take placebo once daily for continuous daily dosing.
Drug: Placebo
oral




Primary Outcome Measures :
  1. Relapse-free survival [ Time Frame: 84 months ]
    Relapse-free survival (RFS) will be measured from time of randomization to either leukemia relapse or death, whichever comes first. Leukemia relapse will be defined as bone marrow (BM) blasts 5% or higher (not attributable to regenerating BM), any circulating blasts (not attributable to regenerating BM or growth factors), or any extra-medullary blast foci as per Revised International Working Group (R-IWG) criteria.


Secondary Outcome Measures :
  1. Safety and tolerability assessed by incidence and severity of adverse events [ Time Frame: 24 months ]
    All grade ≥ 3 toxicities according to CTCAE (Common Terminology Criteria for Adverse Events) version 4.03 will be tabulated for each treatment arm. The proportion of participants developing grade ≥ 3 AE across treatment arms will be compared. In addition, the incidence of all grade 1 to 4 toxicities according to CTCAE version 4.03 will be tabulated for each treatment arm and compared. Clinical laboratory evaluations and change from baseline will be described and compared. Electrocardiogram (ECG) results and change from baseline will be described and compared. Karnofsky Performance Status scores will be described and compared. The duration of drug use and dose of drug use will also be compared.

  2. Overall Survival (OS) [ Time Frame: 84 months ]
    Time to OS is defined as the time to death from any cause after randomization. For surviving participants, non-events will be censored at the last known alive date.

  3. Non-relapse Mortality [ Time Frame: 84 months ]
    An event for this endpoint is death without evidence of disease progression or recurrence.

  4. Event-free Survival (EFS) at 12 months [ Time Frame: 12 months ]
    The cumulative incidence at 12 months after randomization of EFS will be described and compared.

  5. Event-free Survival (EFS) at 24 months [ Time Frame: 24 months ]
    The cumulative incidence at 24 months after randomization of EFS will be described and compared.

  6. Cumulative Incidence of Acute Graft vs. Host Disease (GVHD) [ Time Frame: 6 months ]
    The cumulative incidence at 6 months after randomization of grades II-IV and grades III-IV acute GVHD will be described and compared. Acute GVHD will be graded according to diagnosis and severity scoring used by the Blood and Marrow Transplant Clinical Trial Network (BMT CTN).

  7. Cumulative Incidence of Chronic GVHD at 12 months [ Time Frame: 12 months ]
    The cumulative incidence at 12 months after randomization of chronic GVHD will be described and compared. Chronic GVHD will be graded according to diagnosis and severity scoring from the NIH 2014 Consensus Criteria.

  8. Cumulative Incidence of Chronic GVHD at 24 months [ Time Frame: 24 months ]
    The cumulative incidence at 24 months after randomization of chronic GVHD will be described and compared. Chronic GVHD will be graded according to diagnosis and severity scoring from the NIH 2014 Consensus Criteria.

  9. The cumulative incidence of detection of FLT3/ITD MRD [ Time Frame: 24 months ]
    The cumulative incidence of detection of FLT3/ITD MRD in participants who are FLT3/ITD MRD undetectable prior to randomization will be described. Similarly, the pattern of eradication of FLT3/ITD MRD in participants who have detectable FLT3/ITD MRD prior to randomization will be described.

  10. Incidence of Severity of Infection [ Time Frame: 28 months ]
    The cumulative incidence of CTCAE grades 3 to 5 infection in participants will be described and compared.



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

Registration Inclusion Criteria

  • Participant is considered a suitable candidate for HCT and has an acceptable source of allogeneic donor stem cells, as defined per institutional practice (allogeneic HCT for any donor source [matched sibling, unrelated donor (URD), mismatched URD, related haploidentical, or umbilical cord blood] and any graft source [umbilical cord, BM, peripheral blood (PB)], and any conditioning [myeloablative conditioning (MAC), reduced intensity conditioning (RIC), or non-myeloablative conditioning (NMA)] will be permitted).
  • Participant is considered a legal adult by local regulation at the time of signing informed consent form (ICF).
  • Participant consents to allow access to diagnostic BM aspirate or PB sample and/or the DNA derived from that sample, if available, that may be used to validate a companion diagnostic that is being developed in parallel with gilteritinib.
  • Participant has confirmed, morphologically documented AML in CR1. For the purposes of registration, CR1 will be defined as < 5% blasts in the BM with no morphologic characteristics of acute leukemia (e.g., Auer Rods) in the BM with no evidence of extramedullary disease such as central nervous system involvement or granulocytic sarcoma.

    • Participant has not received more than 2 cycles of induction chemotherapy to achieve CR1. The induction cycles can be the same regimen or different regimens. The regimen(s) may contain conventional agents, investigational agents, or a combination of both.
    • Participants with CR with incomplete count recovery (CRp or CRi) are allowed. Incomplete platelet recovery (CRp) is defined as CR with platelet count < 100 x 109/L. Incomplete blood count recovery (CRi) is defined as CR with residual neutropenia < 1 x 109/L with or without complete platelet recovery. Red blood cell count (RBC) and platelet transfusion independence is not required.
    • The maximum time allowed from establishment of CR1 to registration is 12 months.
  • Participant has presence of the FLT3/ITD activating mutation in the BM or PB as determined by the local institution at diagnosis.
  • Participant must meet the following criteria as indicated on the clinical laboratory tests:

    • Serum creatinine within normal range, or if serum creatinine outside normal range, then glomerular filtration rate (GFR) > 40 mL/min/1.73m2 as calculated with the Cockcroft-Gault equation with adjustment if total body weight is ≥ 125% of ideal body weight.
    • Total bilirubin (TBL) ≤ 2.5 mg/dL, except for participants with Gilbert's syndrome.
    • Serum AST and/or alanine aminotransferase (ALT) < 3 x institutional upper limit of normal (ULN).
    • Serum potassium and magnesium greater than the institutional lower limit of normal (LLN).
  • Participant has left ventricular ejection fraction at rest ≥ 40%.
  • Participant has diffusing capacity of the lung for carbon monoxide (DLCO) (corrected for hemoglobin) ≥ 50% predicted and/or forced expiratory volume in 1 second (FEV1) ≥ 50% predicted.
  • Female participants must either:

    • Be of non-childbearing potential:
    • postmenopausal (defined as at least 1 year without menses) prior to screening or
    • documented as surgically sterilized (at least 1 month prior to the screening visit)
  • Or, if of childbearing potential,

    • Agree not to try to become pregnant during the study for 6 months after the final study drug administration
    • And have a negative serum pregnancy test at screening
    • And, if heterosexually active, agree to consistently use highly effective contraception per locally accepted standards in addition to a barrier method starting at screening and throughout the study period and for 6 months after the final study drug administration.
    • For United Kingdom sites:
    • Highly effective forms of birth control include:
    • Consistent and correct usage of established hormonal contraceptives that inhibit ovulation
    • Established intrauterine device (IUD) or intrauterine system (IUS)
  • Female participants must agree not to breastfeed or donate ova throughout the study drug treatment period and for 6 months after the final study drug administration.
  • Male participants (even if surgically sterilized), and partners who are women of childbearing potential must be using highly effective contraception in addition to a barrier method throughout the study drug treatment period and for 127 days after the final study drug administration.

    • For United Kingdom sites:
    • Highly effective forms of birth control include:
    • Consistent and correct usage of established hormonal contraceptives that inhibit ovulation
    • Established IUD or IUS
    • Vasectomy (A vasectomy is a highly effective contraception method provided the absence of sperm has been confirmed. If not, an additional highly effective method of contraception should be used.)
    • Male is sterile due to a bilateral orchiectomy
  • Male participants must not donate sperm throughout the study drug treatment period and for 127 days after the final study drug administration.
  • Participant is able to take an oral medication.
  • Participant agrees not to participate in another interventional study while on treatment.

Randomization Inclusion Criteria

  • Participant is ≥ 30 days and ≤ 90 days from hematopoietic cell infusion.
  • Participant has achieved engraftment. Engraftment is defined as ANC ≥ 500 cells/μL and platelets ≥ 20000/μL on 3 consecutive measurements (each occurring at least 1 day apart). The participant must not have had a platelet transfusion within 7 days prior to the first measurement.
  • Participant has confirmed ongoing morphologically documented AML in CR1. For the purposes of randomization, CR1 will be defined as < 5% blasts with no morphologic characteristics of acute leukemia (e.g., Auer Rods) in the BM with no evidence of extramedullary disease such as central nervous system involvement or granulocytic sarcoma.
  • Participant meets the following criteria as indicated on the clinical laboratory tests:

    • Serum creatinine within normal range, or if serum creatinine outside normal range, then GFR > 40 mL/min/1.73m2 as calculated with the Cockcroft-Gault equation with adjustment if total body weight is ≥ 125% of ideal body weight.
    • TBL < 2.5 mg/dL, except for participants with Gilbert's syndrome.
    • Serum AST and/or ALT < 3 x institutional ULN.
    • Serum potassium and magnesium greater than the institutional LLN.
  • If the participant has developed overall grades II-IV acute GVHD, the following criteria must be met to be randomized:

    • No requirement of > 0.5 mg/kg of prednisone (or equivalent) daily dose within 1 week of randomization
    • No escalation of systemic immunosuppression in terms of increase of corticosteroids or addition of new agent / modality within 2 weeks of randomization. (Note that increasing calcineurin inhibitors or sirolimus to achieve therapeutic trough levels is allowed.) Topical skin and topical gastrointestinal steroids are allowed.
  • Participant is able to take oral medication.

Registration Exclusion Criteria

  • Participant has had a prior allogeneic transplant.
  • Participant has Karnofsky performance status score < 70% .
  • Participant requires treatment with concomitant drugs that are strong inducers of CYP3A within 14 days of start of study drug.
  • Participant requires treatment with concomitant drugs that target serotonin 5-hydroxytryptamine receptor 1 (5HT1R) or 5-hydroxytryptamine receptor 2B (5HT2BR) or sigma nonspecific receptor with the exception of drugs that are considered absolutely essential for the care of the participant.
  • Participant has a Fridericia-corrected QT interval (QTcF) > 450 msec (average of triplicate determinations) per central read.
  • Participant has long QT Syndrome at screening.
  • Participant has a known infection with human immunodeficiency virus (HIV).
  • Participant has active hepatitis B infection as determined by NAAT or surface antigen assay. Participants who have acquired immunity from past exposure (HBcAb positive / HBsAb positive / HBsAg negative) are eligible.
  • Participant has active hepatitis C infection as determined by NAAT. NAAT must be performed if the participant has positive serology for hepatitis C. Participants who have had past exposure and have no detectable virus either through spontaneous clearance or treatment are eligible.
  • Participant has an uncontrolled infection. If a bacterial or viral infection is present, the participant must be receiving definitive therapy and have no signs of progressing infection for 72 hours prior to registration. If a fungal infection is present, the participant must be receiving definitive systemic anti-fungal therapy and have no signs of progressing infection for 1 week prior to registration.

    • Progressing infection is defined as hemodynamic instability attributable to sepsis or new symptoms, worsening physical signs or radiographic findings attributable to infection.
    • Persisting fever without other signs or symptoms will not be interpreted as progressing infection.
  • Participant has had a myocardial infarction within 6 months prior to registration or New York Heart Association (NYHA) Class III or IV heart failure, uncontrolled angina, severe uncontrolled ventricular arrhythmias, or electrocardiographic evidence of acute ischemia.
  • Participant has a serious medical or psychiatric illness likely to interfere with participation in this clinical study.
  • Participant is breast feeding or pregnant.
  • Participant has prior malignancies, except lobular breast carcinoma in situ, fully resected basal cell or squamous cell carcinoma of skin or treated cervical carcinoma in situ.

Cancer treated with curative intent ≥ 5 years previously will be allowed. Cancer treated with curative intent < 5 years previously will not be allowed.

Randomization Exclusion Criteria

  • Participant requires treatment with concomitant drugs that are strong inducers of CYP3A within 14 days of starting study drug.
  • Participant requires treatment with concomitant drugs that target serotonin 5HT1R or 5HT2BR or sigma nonspecific receptor with the exception of drugs that are considered by the investigator to be absolutely essential for the care of the participant and for which no acceptable alternative exists.
  • Participant has a QTcF interval > 450 msec (average of triplicate determinations) by central read.
  • Participant has a need for supplemental oxygen with the exception of using previously existing non-invasive continuous positive airway pressure (CPAP) at night.
  • Participant has used investigational agents within 4 weeks of randomization.
  • Participant has used experimental therapy for acute GVHD within 4 weeks of randomization. If unsure of the definition of "experimental", discussion with one of the protocol chairs is recommended.
  • Participant has an uncontrolled infection. If a bacterial or viral infection is present, the participant must be receiving definitive therapy and have no signs of progressing infection for 72 hours prior to randomization. If a fungal infection is present, the participant must be receiving definitive systemic anti-fungal therapy and have no signs of progressing infection for 1 week prior to randomization.

    • Progressing infection is defined as hemodynamic instability attributable to sepsis or new symptoms, worsening physical signs or radiographic findings attributable to infection.
    • Persisting fever without other signs or symptoms will not be interpreted as progressing infection.

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): NCT02997202


Contacts
Contact: Astellas Pharma Global Development 800-888-7704 astellas.registration@astellas.com

  Show 127 Study Locations
Sponsors and Collaborators
Astellas Pharma Global Development, Inc.
National Heart, Lung, and Blood Institute (NHLBI)
Blood and Marrow Transplant Clinical Trials Network
Investigators
Study Director: Senior Medical Director Astellas Pharma Global Development, Inc.

Responsible Party: Astellas Pharma Global Development, Inc.
ClinicalTrials.gov Identifier: NCT02997202     History of Changes
Other Study ID Numbers: 2215-CL-0304
2016-001061-83 ( EudraCT Number )
BMT CTN 1506 ( Other Identifier: Blood and Marrow Transplant Clinical Trials Network )
First Posted: December 19, 2016    Key Record Dates
Last Update Posted: October 9, 2018
Last Verified: October 2018
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Undecided

Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No

Keywords provided by Astellas Pharma Inc ( Astellas Pharma Global Development, Inc. ):
Gilteritinib
ASP2215
Safety and Efficacy
Acute Myeloid Leukemia

Additional relevant MeSH terms:
Leukemia
Leukemia, Myeloid
Leukemia, Myeloid, Acute
Neoplasms by Histologic Type
Neoplasms