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Azacitidine, Venetoclax, and Trametinib for the Treatment of Relapsed or Refractory Acute Myeloid Leukemia or Higher-Risk Myelodysplastic Syndrome

A Phase II Study of Azacitidine, Venetoclax and Trametinib for Patients With Acute Myeloid Leukemia or Higher-Risk Myelodysplastic Syndrome

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04487106
Enrollment
21
Registered
2020-07-27
Start date
2020-07-21
Completion date
2024-01-25
Last updated
2025-04-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Recurrent Acute Myeloid Leukemia, Recurrent Chronic Myelomonocytic Leukemia, Recurrent Myelodysplastic Syndrome, Refractory Acute Myeloid Leukemia, Refractory Chronic Myelomonocytic Leukemia, Refractory Myelodysplastic Syndrome

Brief summary

This phase II trial investigates how well azacitidine, venetoclax, and trametinib work in treating patients with acute myeloid leukemia or higher-risk myelodysplastic syndrome that has come back (relapsed) or has not responded to treatment (refractory). Chemotherapy drugs, such as azacitidine, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Venetoclax and trametinib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. The goal of this study is learn if the combination of azacitidine, venetoclax, and trametinib can help to control acute myeloid leukemia or myelodysplastic syndrome.

Detailed description

PRIMARY OBJECTIVES: I. To determine overall survival rate at 1 year of the regimen in patients with newly diagnosed acute myeloid leukemia (AML). (Cohort A) II. To determine the complete remission (CR)/complete remission without recovery of counts (CRi) rate of the regimen in patients with relapsed/refractory AML or high-risk myelodysplastic syndrome (MDS). (Cohort B) SECONDARY OBJECTIVES: I. To assess other efficacy endpoints (CR rate, minimal residual disease negativity by flow cytometry, relapse-free survival, event-free survival, and overall survival). II. To assess proportion of patients proceeding to hematopoietic stem cell transplantation (HSCT). III. To determine the safety of the combination regimen. EXPLORATORY OBJECTIVES: I. To evaluate the impact of baseline genomic alterations on response and survival of the combination regimen. II. To evaluate clonal evolution from diagnosis to relapse. OUTLINE: INDUCTION (CYCLE 1): Patients receive azacitidine intravenously (IV) over 30-60 minutes or subcutaneously (SC) on days 1-7, venetoclax orally (PO) once daily (QD) on days 1-28, and trametinib PO QD on days 1-28 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION (CYCLES 2-24): Patients receive azacitidine IV over 30-60 minutes or SC on days 1-7, venetoclax PO QD on days 1-21, and trametinib PO QD on days 1-28. Treatment repeats every 28 days for up to 23 cycles in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up at 30 days, and then every 6 months thereafter.

Interventions

DRUGAzacitidine

Given IV or SC

DRUGTrametinib

Given PO

DRUGVenetoclax

Given PO

Sponsors

National Cancer Institute (NCI)
CollaboratorNIH
M.D. Anderson Cancer Center
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Diagnosis: * Cohort A (frontline): Newly diagnosed AML * Cohort B (relapsed/refractory): Relapsed/refractory AML or relapsed/refractory MDS or chronic myelomonocytic leukemia (CMML) that is intermediate-2 or high-risk by the International Prognostic Scoring System with \>= 10% blasts harboring a Ras pathway-activating mutation. Eligible mutations include: activating mutations of KIT, HRAS/NRAS/KRAS, BRAF, CBL or PTPN11 or loss of function mutation of NF1. Other mutations not listed here that are anticipated to activate Ras signaling may be considered for enrollment after discussion with the principal investigator (PI) * Performance status =\< 2 (Eastern Cooperative Oncology Group \[ECOG\] scale) * Total serum bilirubin =\< 2.5 x upper limit of normal (ULN), unless due to Gilbert's syndrome, hemolysis or the underlying leukemia approved by the PI * Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) =\< 3 x ULN, unless due to the underlying leukemia approved by the PI * Creatinine clearance \>= 30 mL/min * Ability to swallow * Signed informed consent

Exclusion criteria

* Patients suitable for and willing to receive intensive induction chemotherapy (cohort A only) * Active serious infection not controlled by oral or intravenous antibiotics (e.g. persistent fever or lack of improvement despite antimicrobial treatment) * Patients with a prior or concurrent malignancy whose natural history or treatment is not anticipated to interfere with the safety or efficacy assessment of the investigational regimen may be included only after discussion with the PI * Consumed strong inducer of CYP3A or p-glycoprotein within 3 days of study enrollment. Agents include but are not limited to: carbamazepine, phenytoin, rifampin, and St. John's wart * Treatment with any investigational antileukemic agents or chemotherapy agents in the last 7 days before study entry, unless full recovery from side effects has occurred or patient has rapidly progressive disease judged to be life-threatening by the investigator. Prior recent treatment with corticosteroids, hydroxyurea and/or cytarabine (given for cytoreduction) permitted * Pregnant women will not be eligible; women of childbearing potential should have a negative pregnancy test prior to entering on the study and be willing to practice methods of contraception throughout the study period and for at least 6 months after the last dose of study drugs. Women do not have childbearing potential if they have had a hysterectomy or are postmenopausal without menses for 12 months. In addition, men enrolled on this study should understand the risks to any sexual partner of childbearing potential and should practice an effective method of birth control throughout the study period and for at least 4 months after the last dose of study drugs. Lactating women (or those planning to breastfeed) should not breastfeed during treatment of trametinib and for at least 2 months after the last dose of trametinib

Design outcomes

Primary

MeasureTime frameDescription
Participants With a ResponseUp to 2.5 yearsOverall response is defined as the number of participants achieving Complete Remission (CR) or Complete Remission without recovery of counts (CRi) CR is Normalization of the peripheral blood and bone marrow with \</= to 5 % blasts with a granulocyte count of 1 x 10\^9/L or greater and a platelet count of 100 x 10\^9/L and complete resolution of all extramedullary disease. CRi is Peripheral blood and marrow results as for CR, but with incomplete recover of counts (platelets \< 100 x 10\^9/L or neutrophils \< 1 x 10\^9/L).

Secondary

MeasureTime frameDescription
Minimal Residual Disease NegativityUp to time of relapse, assessed up to 2.5 yearsWill be assessed by flow cytometry and estimated along with 95% credible intervals.
Relapse-free SurvivalFrom documented CR/CRi until relapse or death, assessed until study completionRelapse-free survival is the time from documented CR/CRi until relapse or death.
Event-free SurvivalFrom the first day of treatment until any treatment failure (lack of response within 6 cycles of treatment, relapse, or death), assessed until study completionEvent-free survival is the time from the first day of treatment until any treatment failure (lack of response within 6 cycles of treatment, relapse, or death).
Overall SurvivalFrom the first day of treatment to time of death from any cause, assessed until study completionOverall survival is defined as the time from the first day of treatment to time of death from any cause.
Number of Participants Proceeding to Hematopoietic Stem Cell TransplantationUp to 2.5 yearsWill be totaled based on the number of participants who continue with hematopoietic stem cell transplantation post treatment.

Countries

United States

Participant flow

Participants by arm

ArmCount
Cohort A (Newly Diagnosed AML Patients)
INDUCTION (CYCLE 1): Patients receive azacitidine IV over 30-60 minutes or SC on days 1-7, venetoclax PO QD on days 1-28, and trametinib PO QD on days 1-28 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION (CYCLES 2-24): Patients receive azacitidine IV over 30-60 minutes or SC on days 1-7, venetoclax PO QD on days 1-21, and trametinib PO QD on days 1-28. Treatment repeats every 28 days for up to 23 cycles in the absence of disease progression or unacceptable toxicity. Azacitidine: Given IV or SC Trametinib: Given PO Venetoclax: Given PO
5
Cohort B (Relapsed/Refractory AML or Higher-risk MDS or CMML Patients)
INDUCTION (CYCLE 1): Patients receive azacitidine IV over 30-60 minutes or SC on days 1-7, venetoclax PO QD on days 1-28, and trametinib PO QD on days 1-28 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION (CYCLES 2-24): Patients receive azacitidine IV over 30-60 minutes or SC on days 1-7, venetoclax PO QD on days 1-21, and trametinib PO QD on days 1-28. Treatment repeats every 28 days for up to 23 cycles in the absence of disease progression or unacceptable toxicity. Azacitidine: Given IV or SC Trametinib: Given PO Venetoclax: Given PO
16
Total21

Baseline characteristics

CharacteristicCohort B (Relapsed/Refractory AML or Higher-risk MDS or CMML Patients)TotalCohort A (Newly Diagnosed AML Patients)
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
9 Participants13 Participants4 Participants
Age, Categorical
Between 18 and 65 years
7 Participants8 Participants1 Participants
Age, Continuous67 years69 years75 years
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
0 Participants1 Participants1 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
3 Participants3 Participants0 Participants
Race (NIH/OMB)
White
13 Participants17 Participants4 Participants
Region of Enrollment
United States
16 participants21 participants5 participants
Sex: Female, Male
Female
5 Participants6 Participants1 Participants
Sex: Female, Male
Male
11 Participants15 Participants4 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
1 / 51 / 16
other
Total, other adverse events
3 / 515 / 16
serious
Total, serious adverse events
2 / 54 / 16

Outcome results

Primary

Participants With a Response

Overall response is defined as the number of participants achieving Complete Remission (CR) or Complete Remission without recovery of counts (CRi) CR is Normalization of the peripheral blood and bone marrow with \</= to 5 % blasts with a granulocyte count of 1 x 10\^9/L or greater and a platelet count of 100 x 10\^9/L and complete resolution of all extramedullary disease. CRi is Peripheral blood and marrow results as for CR, but with incomplete recover of counts (platelets \< 100 x 10\^9/L or neutrophils \< 1 x 10\^9/L).

Time frame: Up to 2.5 years

Population: Of the five participants registered on Cohort A, three were evaluable. Of the sixteen participants registered on Cohort B, thirteen were evaluable.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Cohort A (Newly Diagnosed AML Patients)Participants With a Response2 Participants
Cohort B (Relapsed/Refractory AML or Higher-risk MDS or CMML Patients)Participants With a Response2 Participants
Secondary

Event-free Survival

Event-free survival is the time from the first day of treatment until any treatment failure (lack of response within 6 cycles of treatment, relapse, or death).

Time frame: From the first day of treatment until any treatment failure (lack of response within 6 cycles of treatment, relapse, or death), assessed until study completion

ArmMeasureValue (MEDIAN)
Cohort A (Newly Diagnosed AML Patients)Event-free Survival1.8 Months
Cohort B (Relapsed/Refractory AML or Higher-risk MDS or CMML Patients)Event-free Survival2.1 Months
Secondary

Minimal Residual Disease Negativity

Will be assessed by flow cytometry and estimated along with 95% credible intervals.

Time frame: Up to time of relapse, assessed up to 2.5 years

Population: Of the five participants in Cohort A, three were evaluable for response. Of the 16 participants in Cohort B, 13 were evaluable for response.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Cohort A (Newly Diagnosed AML Patients)Minimal Residual Disease Negativity1 Participants
Cohort B (Relapsed/Refractory AML or Higher-risk MDS or CMML Patients)Minimal Residual Disease Negativity1 Participants
Secondary

Number of Participants Proceeding to Hematopoietic Stem Cell Transplantation

Will be totaled based on the number of participants who continue with hematopoietic stem cell transplantation post treatment.

Time frame: Up to 2.5 years

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Cohort A (Newly Diagnosed AML Patients)Number of Participants Proceeding to Hematopoietic Stem Cell Transplantation0 Participants
Cohort B (Relapsed/Refractory AML or Higher-risk MDS or CMML Patients)Number of Participants Proceeding to Hematopoietic Stem Cell Transplantation1 Participants
Secondary

Overall Survival

Overall survival is defined as the time from the first day of treatment to time of death from any cause.

Time frame: From the first day of treatment to time of death from any cause, assessed until study completion

ArmMeasureValue (MEDIAN)
Cohort A (Newly Diagnosed AML Patients)Overall Survival2.5 Months
Cohort B (Relapsed/Refractory AML or Higher-risk MDS or CMML Patients)Overall Survival2.4 Months
Secondary

Relapse-free Survival

Relapse-free survival is the time from documented CR/CRi until relapse or death.

Time frame: From documented CR/CRi until relapse or death, assessed until study completion

ArmMeasureValue (MEDIAN)
Cohort A (Newly Diagnosed AML Patients)Relapse-free Survival19 Months
Cohort B (Relapsed/Refractory AML or Higher-risk MDS or CMML Patients)Relapse-free SurvivalNA Months

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026