Gentuzumab Ozogamicin and Midostaurin Combination With Standard Cytarabine and Danunorubi Midostaurin as a Novel Approach to Treating Patients With Newly Diagnosed FLT-3 Mutated Acute Myeloid Leukemia

  • STATUS
    Recruiting
  • End date
    Jan 1, 2025
  • participants needed
    24
  • sponsor
    Uma Borate
Updated on 5 June 2022
tyrosine
cytarabine
cell transplantation
gilbert's syndrome
daunorubicin
neoadjuvant therapy
gemtuzumab
cytarabine/daunorubicin
flt3 internal tandem duplication

Summary

This phase I study hopes to explore how safe and tolerable is the combination of gemtuzumab ozogamicin (GO) and midostaurin, with the standard induction therapy (cytarabine and daunorubicin) in patients with newly diagnosed FLT-3 mutated Acute Myeloid Leukemia (AML). GO is FDA approved for the treatment of adults with newly diagnosed CD33 positive AML and used in combination with chemotherapy, cytarabine and daunorubicin. Midostaurin is FDA approved for use with cytarabine and daunorubicin in patients with FLT3-mutated AML. By combining standard induction therapy with GO and midostaurin, our aim is to investigate a novel approach to treating patients with newly diagnosed FLT3-mutated AML.

Description

PRIMARY OBJECTIVE:

I. To assess the maximum tolerated dose (MTD) of combining gemtuzumab ozogamicin (GO) to the induction regimen of cytarabine and daunorubicin (DA) and midostaurin.

SECONDARY OBJECTIVES:

I. To assess the frequency of early death associated with study treatment. II. To evaluate the preliminary efficacy of the study treatment. III. To assess the safety profile of the study treatment.

EXPLORATORY OBJECTIVES:

I. Quantify CD33 expression on acute myeloid leukemia (AML) blasts. II. Determine the CD33 single-nucleotide polymorphism (SNP) status previously reported to correlate with response and correlate clinical outcomes of patients with the CD33 genotype.

OUTLINE: This is a dose finding study to identify the maximum tolerated dose (MTD) schedule of GO, and its safety and tolerability in combination with midostaurin in FLT3-mutated newly diagnosed AML patients.

INDUCTION THERAPY: Patients receive cytarabine intravenously (IV) on days 1-7, daunorubicin IV on days 1-3 and midostaurin 50mg orally (PO) twice daily (BID) on days 8-21. Patients also receive gemtuzumab ozogamicin IV either on day or days 1 and 4 or days 1, 4 and 7 depending on dose level in the absence of disease progression or unacceptable toxicity.

RE-INDUCTION THERAPY: Between days 14 and 21 of Induction Therapy, patients who achieve at least 5% bone marrow blasts after an optional bone marrow biopsy may receive a single 28-day cycle of cytarabine and daunorubicin with or without midostaurin per the treating physician. Patients who achieve a complete remission (CR) or complete remission with incomplete blood count recovery (CRi) may undergo allogeneic stem cell transplantation (SCT) or receive consolidation therapy.

CONSOLIDATION THERAPY:

PATIENTS < 60 YEARS: Patients receive high dose cytarabine (HiDAC) IV on days 1, 3, and 5 and gemtuzumab ozogamicin IV on day 1 of cycle 1 and midostaurin 50mg PO BID on days 8-21. Treatment repeats every 28 days for up to 2 cycles in the absence of disease progression or unacceptable toxicity.

PATIENTS >= 60 YEARS: Patients receive cytarabine (MiDAC) IV on days 1, 3, and 5 and gemtuzumab ozogamicin IV on day 1 of cycle 1 and midostaurin 50mg PO BID on days 8-21. Treatment repeats every 28 days for up to 2 cycles in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up every 3 months for 24 months.

Details
Condition Acute Myeloid Leukemia
Treatment cytarabine, allogeneic hematopoietic stem cell transplantation, gemtuzumab ozogamicin, Daunorubicin, daunorubicin hydrochloride, Midostaurin
Clinical Study IdentifierNCT03900949
SponsorUma Borate
Last Modified on5 June 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Ability to understand and the willingness to sign a written informed consent document
Eastern Cooperative Oncology Group (ECOG) performance status =< 2
Newly diagnosed AML as confirmed by bone marrow and/or peripheral blood examination as indicated, with
Confirmed CD33 positivity, per institutional standards
Presence of FLT3 internal tandem duplication (ITD) or tyrosine kinase domain (TKD) mutation as confirmed by next-generation sequencing (NGS) or other molecular method
Aspartate aminotransferase (AST) < 2.5 x upper limit of normal (ULN; local laboratory)
Alanine aminotransferase (ALT) < 2.5 x ULN
Total bilirubin < 2 x ULN (except for patients with known Gilbert's syndrome)
Calculated creatinine clearance (according to the Cockcroft-Gault equation) > 40 mL/min OR serum creatinine < 1.5 x the ULN
Female patients of childbearing potential must agree to use adequate contraception (2 forms of contraception or abstinence) from the screening visit until 6 months following 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
Male patients of childbearing potential having intercourse with females of childbearing potential must agree to abstain from heterosexual intercourse or have their partner use 2 forms of contraception from the screening visit until 3 months following the last dose of study treatment. They must also refrain from sperm donation from the screening visit until 90 days following the last dose of study treatment

Exclusion Criteria

Isolated myeloid sarcoma (meaning, patients must have blood or marrow involvement to enter study)
Acute promyelocytic leukemia (per World Health Organization classification)
Active central nervous system (CNS) involvement by AML, as assessed at discretion of principal investigator (PI) or treating physician and confirmed by lumbar puncture
Except for hydroxyurea, no other prior systemic anti-AML therapies may have been received prior to starting study therapy
Known history of veno-occlusive disease
Known active human immunodeficiency virus (HIV), active hepatitis B or active hepatitis C infection
Patients with the following will be excluded: uncontrolled intercurrent illness including, but not limited to, symptomatic congestive heart failure, unstable angina pectoris, serious cardiac arrhythmia, myocardial infarction within 6 months prior to enrollment, New York Heart Association (NYHA) class III or IV heart failure, severe uncontrolled ventricular arrhythmias
Patients with uncontrolled infection will not be enrolled until infection is treated
Any concurrent condition that, in the investigator's opinion, would jeopardize the safety of the patient or compliance with the protocol
Inability to take oral medication
Hypersensitivity to any study agent, or its excipients, when administered alone
Pregnancy or breastfeeding at the time of enrollment
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