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Vyxeos Plus Gilteritinib in Relapsed or Refractory, FLT3-Mutated AML

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ClinicalTrials.gov Identifier: NCT05024552
Recruitment Status : Suspended (Interim Analysis)
First Posted : August 27, 2021
Last Update Posted : November 14, 2022
Sponsor:
Collaborator:
Jazz Pharmaceuticals
Information provided by (Responsible Party):
H. Lee Moffitt Cancer Center and Research Institute

Study Description
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Brief Summary:
This study combines vyxeos and gilteritinib in patients with relapsed or refractory FLT3-mutated acute myeloid leukemia. Vyxeos and gilteritinib will be given as induction therapy. Those patients entering a complete remission or a complete remission with incomplete blood count recovery will be allowed to proceed to consolidation therapy with vyxeos and gilteritinib. Those patients who do not proceed to an allogeneic stem cell transplant for any reason are able to enter the maintenance phase of this trial using daily gilteritinib

Condition or disease Intervention/treatment Phase
Acute Myeloid Leukemia With FLT3/ITD Mutation Drug: Gilteritinib Drug: Vyxeos Phase 1

Study Design
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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 22 participants
Allocation: Non-Randomized
Intervention Model: Sequential Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 1 Study of Vyxeos Plus Gilteritinib in Relapsed or Refractory, FLT3-Mutated Acute Myeloid Leukemia
Actual Study Start Date : August 23, 2021
Estimated Primary Completion Date : August 2024
Estimated Study Completion Date : August 2025

Resource links provided by the National Library of Medicine


Arms and Interventions
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Arm Intervention/treatment
Experimental: Dose Escalation Arm

Participants will receive intravenous Vyxeos on days 1, 3 and 5 and Gilteritinib will be given on days 6-19 of induction therapy. The induction and reinduction dose of Vyxeos is 44mg/m2 daunorubicin and 100mg/m2 of cytarabine with each infusion.

Dose level 1: Vyxeos + 120 mg Gilertinib

In the event of a dose-limiting toxicity (DLT) at the initial dose level, a dose level minus (-) 1 is permitted Dose Level -1: Vyxeos + 80 mg Gilertinib

 Drug: Gilteritinib
Gilteritinib is an oral inhibitor of FLT3-ITD and FLT3-TKD. Dose cohort 1 will receive 120mg daily on days 6-19 of induction and days 4-17 of re-induction and consolidation
Other Name: Xospata

Drug: Vyxeos
Vyxeos is a liposomal encapsulation of cytarabine and daunorubicin. It is given as an intravenous infusion over 90 minutes on days 1, 3 and 5 of induction and days 1 and 3 of re-induction and consolidation. The induction and reinduction dose is 44mg/m2 daunorubicin and 100mg/m2 of cytarabine with each infusion. The consolidation dose is 29mg/m2 daunorubicin and 65mg/m2 of cytarabine with each dose.
Other Name: daunorubicin-cytarabine
Experimental: Dose Expansion Arm
Participants will receive intravenous Vyxeos on days 1, 3 and 5 and Gilteritinib will be given on days 6-19 of induction therapy in the dose determined in the dose escalation arm.
 Drug: Gilteritinib
Gilteritinib is an oral inhibitor of FLT3-ITD and FLT3-TKD. Dose cohort 1 will receive 120mg daily on days 6-19 of induction and days 4-17 of re-induction and consolidation
Other Name: Xospata

Drug: Vyxeos
Vyxeos is a liposomal encapsulation of cytarabine and daunorubicin. It is given as an intravenous infusion over 90 minutes on days 1, 3 and 5 of induction and days 1 and 3 of re-induction and consolidation. The induction and reinduction dose is 44mg/m2 daunorubicin and 100mg/m2 of cytarabine with each infusion. The consolidation dose is 29mg/m2 daunorubicin and 65mg/m2 of cytarabine with each dose.
Other Name: daunorubicin-cytarabine


Outcome Measures
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Primary Outcome Measures :
  1. Maximum Tolerated Dose (MTD) [ Time Frame: Up to 18 months ]
    Dose escalation will determine the Maximum Tolerated Dose (MTD) and Recommended Phase 2 Dose (RP2D) of Vyxeos plus Gilteritinib. The MTD is the highest dose of the combination therapy that dose not cause unacceptable side effects.


Secondary Outcome Measures :
  1. Complete Remission Rate [ Time Frame: Up to 18 months ]
    Rate of complete remission (CR) and complete remission with incomplete blood count recovery (CRi). The definition of CR and CRi is based on the European LeukemiaNet 2017 Response Criteria

  2. Event free survival (EFS) [ Time Frame: Up to 18 months ]
    Event free survival is determined as the duration of time from start of treatment to the time of cancer recurrence.

  3. Overall survival (OS) [ Time Frame: Up to 5 years ]
    Overall survival is defined as the duration of time from start of treatment to the time of death from any cause or date of last contact.


Eligibility Criteria
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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

Inclusion Criteria:

  • Provision of signed and dated informed consent form
  • Stated willingness to comply with all study procedures and availability for the duration of the study
  • Eastern Cooperative Oncology Group (ECOG) performance status ≤2
  • FLT3-ITD or FLT3-TKD mutated AML (non-M3) in 1st or greater relapse or refractory to at least one prior line of AML directed therapy
  • FLT3 testing must be confirmed at the time of disease relapse
  • Adequate organ function
  • Left ventricular ejection fraction (LVEF) ≥50%
  • Prior anthracycline exposure ≤368 mg/m2 daunorubicin (or equivalent)
  • Ability to take oral medication and willingness to adhere to the medication regimen
  • For females of reproductive potential: use of highly effective contraception including double barrier methods (condoms with spermicidal jelly or foam and diaphragm with spermicidal jelly or foam), oral, depo provera, or injectable contraceptives, intrauterine devices and tubal ligation.
  • For females of reproductive potential: negative serum or urine pregnancy test with a sensitivity of at least 50mIU/mL within 10 days and again within 24 hours of beginning study treatment
  • For males of reproductive potential: use of condoms
  • Breastfeeding mothers must agree to discontinue nursing
  • Patients who have relapsed after and allogeneic stem cell transplant must have controlled grade ≤2 GVHD. Immunosuppression with tacrolimus or sirolimus is allowed at stable or tapering doses.

Exclusion Criteria:

  • Patients may not be receiving any other investigational agents
  • Patients with documented central nervous system involvement of AML
  • Progression of AML while on prior gilteritinib therapy
  • Patients must not have evidence of GI tract abnormalities that would alter the absorption of oral medications
  • Major surgery within two weeks of first dose of study drug. Patients must have recovered from the effects of any surgery performed greater than two weeks prior
  • WBC count ≥50,000 at the time study treatment begins. Use of hydroxyurea to maintain WBC <50,000 is allowed up to the time that study treatment begins
  • Predicted inability to tolerate standard induction chemotherapy
  • Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
  • No other malignancies in addition to AML that are currently requiring treatment with the exception of: 1) basal cell or squamous cell carcinoma or the skin; 2) carcinoma in situ of the cervix or breast; 3) a history of breast cancer that is currently being managed with adjuvant endocrine therapy
  • Grade ≥3 acute or chronic graft versus host disease after allogeneic stem cell transplant. No steroids for GVHD are allowed.
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): NCT05024552


Locations
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United States, Florida
Moffitt Cancer Center
Tampa, Florida, United States, 33612
Sponsors and Collaborators
H. Lee Moffitt Cancer Center and Research Institute
Jazz Pharmaceuticals
Investigators
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Principal Investigator: Kendra L Sweet, MD Moffitt Cancer Center
More Information
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Additional Information:

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Responsible Party: H. Lee Moffitt Cancer Center and Research Institute
ClinicalTrials.gov Identifier: NCT05024552    
Other Study ID Numbers: MCC-20752
First Posted: August 27, 2021    Key Record Dates
Last Update Posted: November 14, 2022
Last Verified: November 2022
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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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
Leukemia, Myeloid
Leukemia, Myeloid, Acute
Neoplasms by Histologic Type
Neoplasms
Cytarabine
Daunorubicin
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