MedPath

Safety and Tolerability of Ziftomenib Combinations in Patients with Relapsed/Refractory Acute Myeloid Leukemia

Phase 1
Recruiting
Conditions
AML
AML with Mutated NPM1
Hematologic Malignancy
KMT2Ar
NPM1 Mutation
MLL Rearrangement
Leukemia
Acute Myeloid Leukemia
Leukemia, Myeloid
Leukemia, Myeloid, Acute
Interventions
Registration Number
NCT06001788
Lead Sponsor
Kura Oncology, Inc.
Brief Summary

The safety, tolerability, and antileukemic response of ziftomenib in combination with standard of care treatments for patients with relapsed/refractory acute myeloid leukemia will be examined with the following agents: FLAG-IDA, low-dose cytarabine, and gilteritinib.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
171
Inclusion Criteria
  • Has been diagnosed with relapsed/refractory AML.
  • Has a documented NPM1 mutation or KMT2A rearrangement.
  • Has a documented FLT3 mutation (cohort A-3 only).
  • Has an Eastern Cooperative Oncology Group (ECOG) Performance status ≤ 2.
  • Has adequate hepatic and renal function as defined per protocol.
  • Has an ejection fraction above a protocol defined limit.
  • Participant, or legally authorized representative, must be able to understand and provide written informed consent prior to the first screening procedure.
  • Has agreed to use contraception as defined per protocol.

Key

Exclusion Criteria
  • Has a diagnosis of acute promyelocytic leukemia or blast chronic myeloid leukemia.
  • Has clinically active central nervous system leukemia.
  • Has an active and uncontrolled infection.
  • Has a mean corrected QT interval (QTcF) > 480ms.
  • Has uncontrolled intercurrent illness, including, but not limited to protocol defined cardiac disease.
  • Has received radiation, chemotherapy, immunotherapy, or any other anticancer therapy including investigational therapy <14 days or within 5 drug half-lives prior to the first dose of study intervention.
  • Has had major surgery within 4 weeks prior to the first dose of study intervention.
  • Has received a hematopoietic stem cell transplant (HSCT) and has not previously had adequate recovery per protocol defined criteria.
  • Has active graft-versus-host disease (GvHD) and or on immunosuppressive drugs for the treatment of GvHD.
  • Participant is pregnant or lactating.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Phase 1bZiftomenibOral ziftomenib; Following the determination of the maximum tolerated dose in Phase 1a, participants will be enrolled in 1 of 5 dose validation/expansion cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1aGranulocyte colony-stimulating factorOral ziftomenib; sequential cohorts of escalating dose levels of ziftomenib to identify the safety and tolerability of the combination regimens. Participants will be enrolled in 1 of 5 dose escalation cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1bGranulocyte colony-stimulating factorOral ziftomenib; Following the determination of the maximum tolerated dose in Phase 1a, participants will be enrolled in 1 of 5 dose validation/expansion cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1aZiftomenibOral ziftomenib; sequential cohorts of escalating dose levels of ziftomenib to identify the safety and tolerability of the combination regimens. Participants will be enrolled in 1 of 5 dose escalation cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1aFludarabineOral ziftomenib; sequential cohorts of escalating dose levels of ziftomenib to identify the safety and tolerability of the combination regimens. Participants will be enrolled in 1 of 5 dose escalation cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1aIdarubicinOral ziftomenib; sequential cohorts of escalating dose levels of ziftomenib to identify the safety and tolerability of the combination regimens. Participants will be enrolled in 1 of 5 dose escalation cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1aCytarabineOral ziftomenib; sequential cohorts of escalating dose levels of ziftomenib to identify the safety and tolerability of the combination regimens. Participants will be enrolled in 1 of 5 dose escalation cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1bIdarubicinOral ziftomenib; Following the determination of the maximum tolerated dose in Phase 1a, participants will be enrolled in 1 of 5 dose validation/expansion cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1aGilteritinibOral ziftomenib; sequential cohorts of escalating dose levels of ziftomenib to identify the safety and tolerability of the combination regimens. Participants will be enrolled in 1 of 5 dose escalation cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1bFludarabineOral ziftomenib; Following the determination of the maximum tolerated dose in Phase 1a, participants will be enrolled in 1 of 5 dose validation/expansion cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1bCytarabineOral ziftomenib; Following the determination of the maximum tolerated dose in Phase 1a, participants will be enrolled in 1 of 5 dose validation/expansion cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Phase 1bGilteritinibOral ziftomenib; Following the determination of the maximum tolerated dose in Phase 1a, participants will be enrolled in 1 of 5 dose validation/expansion cohorts: A-1: Participants with a NPM1 mutation: ziftomenib plus FLAG-IDA A-2: Participants with a NPM1 mutation: ziftomenib plus low-dose cytarabine (LDAC) A-3: Participants with a NPM1 mutation: ziftomenib plus gilteritinib B-1: Participants with a KMT2A rearrangement: ziftomenib plus FLAG-IDA B-2: Participants with a KMT2A rearrangement: ziftomenib plus low-dose cytarabine (LDAC)
Primary Outcome Measures
NameTimeMethod
Rate of dose limiting toxicities (DLTs) per dose levelDuring the first 28 days of ziftomenib in combination with SOC treatment (1 cycle)

Assessed by the NCI-CTCAE v5.0

Descriptive statistics of adverse eventsFirst dose of ziftomenib up to and including 28 days after last dose of ziftomenib, or if the patient is lost to follow-up, whichever comes first

Assessed by the NCI-CTCAE v5.0

Secondary Outcome Measures
NameTimeMethod
OSUp to 12 months following discontinuation of treatment

To assess overall survival

Complete remission (CR) rate for cohorts A-1, A-2, B-1, and B-2Up to 12 months following discontinuation of treatment

Assessed by ELN 2022 criteria

Gilteritinib AUC(0-last)Cycle 1 (Each cycle is 28 days)

To assess the area under the plasma concentration-time-curve from time 0 to time of last measurable concentration of gilteritinib

Complete remission (CR) / Complete remission with partial hematologic recovery (CRh) rate for cohort A-3Up to 12 months following discontinuation of treatment

Assessed by ELN 2022 criteria

Composite complete remission (CRc) rateUp to 12 months following discontinuation of treatment

Assessed by ELN 2022 criteria

6-month OSUp to 6 months following discontinuation of treatment

To assess proportion of patients alive at 6 months

DORUp to 12 months following discontinuation of treatment

To assess duration of remission

Ziftomenib CmaxCycle 1 (Each cycle is 28 days)

To assess the maximum plasma combination of ziftomenib and its metabolites

Gilteritinib CmaxCycle 1 (Each cycle is 28 days)

To assess the maximum plasma combination of gilteritinib

Morphologic leukemia-free state (MLFS) rateUp to 12 months following discontinuation of treatment

Assessed by ELN 2022 criteria

MRD assessmentUp to 12 months following discontinuation of treatment

To assess minimum residual disease in bone marrow as assessed by multiparameter flow cytometry (MFC) and molecular analysis

HSCTUp to 12 months following discontinuation of treatment

To assess proportion of patients that undergo a hematopoietic stem-cell transplant

Ziftomenib AUC(0-last)Cycle 1 (Each cycle is 28 days)

To assess the area under the plasma concentration-time-curve from time 0 to time of last measurable concentration of ziftomenib and its metabolites

Ziftomenib AUC(tau)Cycle 1 (Each cycle is 28 days)

To assess the area under the plasma concentration-time-curve over a dosing interval for ziftomenib and its metabolites

Median EFSUp to 12 months following discontinuation of treatment

To assess median event free survival

6-month EFSUp to 6 months following discontinuation of treatment

To assess 6-month event free survival

Transfusion independenceUp to 12 months following discontinuation of treatment

To assess rate of transfusion independence

Gilteritinib TmaxCycle 1 (Each cycle is 28 days)

To assess the time to observed maximum plasma concentration of gilteritinib

Gilteritinib AUC(tau)Cycle 1 (Each cycle is 28 days)

To assess the area under the plasma concentration-time-curve over a dosing interval for gilteritinib

Ziftomenib TmaxCycle 1 (Each cycle is 28 days)

To assess the time to observed maximum plasma concentration of ziftomenib and its metabolites

Trial Locations

Locations (25)

Banner MD Anderson Cancer Center

🇺🇸

Gilbert, Arizona, United States

USC Norris Comprehensive Cancer Center

🇺🇸

Los Angeles, California, United States

UCLA Health - Bowyer Oncology Center

🇺🇸

Los Angeles, California, United States

Colorado Blood Cancer Institute

🇺🇸

Denver, Colorado, United States

Smilow Cancer Hospital at Yale New Haven

🇺🇸

New Haven, Connecticut, United States

The University of Kansas

🇺🇸

Kansas City, Kansas, United States

Karmanos Cancer Institute

🇺🇸

Detroit, Michigan, United States

Henry Ford Cancer Institute

🇺🇸

Detroit, Michigan, United States

UCI Health Chao Family Comprehensive Cancer Center

🇺🇸

Orange, California, United States

University of Nebraska Medical Center

🇺🇸

Omaha, Nebraska, United States

Roswell Park Comprehensive Cancer Center

🇺🇸

Buffalo, New York, United States

Memorial Sloan Kettering Cancer Center

🇺🇸

New York, New York, United States

Stony Brook Cancer Center

🇺🇸

Stony Brook, New York, United States

Atrium Health Levine Cancer Center

🇺🇸

Charlotte, North Carolina, United States

OU Health Stephenson Cancer Center

🇺🇸

Oklahoma City, Oklahoma, United States

Lehigh Valley Topper Cancer Institute

🇺🇸

Allentown, Pennsylvania, United States

Prisma Health

🇺🇸

Greenville, South Carolina, United States

Texas Oncology - Baylor Charles A. Sammons Cancer Center

🇺🇸

Dallas, Texas, United States

MD Anderson Cancer Center

🇺🇸

Houston, Texas, United States

IRCCS Azienda Ospedaliero-Universitaria do Bologna - Policlinico di Sant'Orsola

🇮🇹

Bologna, Italy

Ospedale Santa Maria delle Croci

🇮🇹

Ravenna, Italy

Fondazione Policlinico Universitario Agostino Gemelli IRCCS

🇮🇹

Roma, Italy

Hospital Universitari Vall d'Hebron

🇪🇸

Barcelona, Spain

Hospital Universitario Central de Asturias

🇪🇸

Oviedo, Spain

Hospital Universitari y Politecnic La Fe

🇪🇸

Valencia, Spain

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