Acute Myeloid LeukemiaPhase 1NCT05396859

Entrectinib in Combination With ASTX727 for the Treatment of Relapsed/Refractory TP53 Mutated Acute Myeloid Leukemia

A Phase 1 study testing Decitabine and Cedazuridine, Entrectinib and Laboratory Biomarker Analysis in people with Acute Myeloid Leukemia and Recurrent Acute Myeloid Leukemia, run by OHSU Knight Cancer Institute at 1 site in United States.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record

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Trial summary

Who is it for?: Ages 18 years and older
Conditions the study is for: Acute Myeloid Leukemia, Recurrent Acute Myeloid Leukemia, Refractory Acute Myeloid Leukemia
What is being tested?: Decitabine and Cedazuridine, Entrectinib and Laboratory Biomarker Analysis
Type of treatment: Pill or oral medicine
Could I receive a placebo?: No, everyone receives an active treatment
How many people: 13 participants
Where: 1 siteUnited States
Study dates: 28 Oct 2022to 1 Feb 2027
Phase: Phase 1

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

Ages 18 years and older
All sexes
No healthy volunteers
Adult, Older adult

Who may be able to join

Must be able to understand and willing to sign an informed consent document.
Participants aged 18 years or older.
Morphologically documented AML in patients with relapsed/refractory disease, defined as having >= 20% blasts in bone marrow or peripheral blood.
Documented TP53 mutation as seen on standard diagnostics in AML.
Aspartate aminotransferase (AST) < 3 × upper limit of normal (ULN).
Alanine aminotransferase (ALT) < 3 × ULN.

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Total bilirubin < 1.5 × ULN (except for patients with known Gilbert's syndrome).
Adequate renal function as defined by calculated creatinine clearance (according to the Cockcroft-Gault equation) > 40 mL/min OR serum creatinine < 1.5 × ULN.
Eastern Cooperative Oncology Group (ECOG) performance status (PS) =< 2.
Must be able to take oral medication.
Individuals of childbearing potential (IOCBP) must agree to use highly-effective method(s) of contraception during the study and six months after the last dose of study drugs. IOCBP must have a negative pregnancy test prior to study enrollment.
Sperm producing individuals must agree to use an adequate method of contraception starting with the first dose of study therapy through 3 months after the last dose of study drugs.
Participants must be recovered from any clinically relevant toxic effects of any prior surgery, radiotherapy, or other therapy intended for the treatment of their cancer.

Who cannot join

Isolated myeloid sarcoma (patients must have blood or marrow involvement with AML to enter the study).
Acute promyelocytic leukemia (M3).
Active central nervous system (CNS) involvement by AML.
Clinical signs/symptoms of leukostasis which has failed urgent therapy of at least 3 days duration, which may have included hydroxyurea or leukapheresis.
Known active human immunodeficiency virus (HIV), active hepatitis B or active hepatitis C infection.
Disseminated intravascular coagulopathy with active bleeding or signs of thrombosis.

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Patients who have received an investigational agent (for any indication) within 5 half-lives of the agent or who have agent-related toxicity that has not resolved to grade 1 or less. If the half-life of an investigational agent is unknown, patients must wait 1 week after discontinuing it before receiving the first dose of study treatment. An investigational agent is one for which there is no approved indication by the United States (US) Food and Drug Administration (FDA).
Prior entrectinib for other malignancies (prior decitabine therapy will not be excluded).
Patients with psychological, familial, social, or geographic factors that otherwise preclude them from giving informed consent, following the protocol, or potentially hamper compliance with study treatment and follow-up.
Patients who are otherwise felt unable to comply with the protocol, in the opinion of the investigator.
Any other significant medical condition, including psychiatric illness or laboratory abnormality, that would preclude the patient participating in the trial or would confound the interpretation of the results of the trial.
Patients with the following will be excluded: uncontrolled intercurrent illness including, but not limited to, symptomatic (New York Heart Association [NYHA] class III or IV) congestive heart failure, unstable angina pectoris, serious cardiac arrhythmia, myocardial infarction at presentation of AML, severe uncontrolled ventricular arrhythmias, or electrocardiographic evidence of acute ischemia or active conduction system abnormalities. Patients with medical comorbidities that will preclude safety evaluation of the combination should not be enrolled.
Patients with uncontrolled infection shall not be enrolled until infection is treated and controlled.
Participants with prior documented history of malabsorption syndrome (e.g., short gut syndrome) that might limit the bioavailability of study medications will be excluded.

Trial locations and contacts

1 site in 1 country.

United States1 site

OHSU Knight Cancer Institute
Portland, Oregon, 97239

Other trials in United States

About this study

Official title: A Phase I Study of Entrectinib in Combination With ASTX727 (35 mg Decitabine and 100 mg Cedazuridine) in Patients With Relapsed/Refractory TP53 Mutated Acute Myeloid Leukemia (AML)

This phase I trial tests the safety, side effects, and best dose of entrectinib when given with ASTX727 in treating patients with acute myeloid leukemia (AML) that has come back (relapsed) or that does not respond to treatment (refractory) and has a genetic change (mutation) in the TP53 gene. ASTX727 is a combination of cedazuridine and decitabine. Cedazuridine is in a class of medications called cytidine deaminase inhibitors. It prevents the breakdown of decitabine, making it more available in the body so that decitabine will have a greater effect. Decitabine is in a class of medications called hypomethylation agents. It works by helping the bone marrow produce normal blood cells and by killing abnormal cells in the bone marrow. Entrectinib is in a class of medications called kinase inhibitors. It works by blocking the action of the abnormal protein that signals cancer cells to multiply. This helps to stop or slow the spread of cancer cells. Giving ASTX727 and entrectinib together may kill more tumor cells in patients with AML.

Read the detailed description

PRIMARY OBJECTIVE:

To determine the maximum tolerated dose (MTD) of decitabine and cedazuridine (ASTX727) combined with entrectinib in relapsed/refractory (R/R) AML patients with TP53 mutations.

SECONDARY OBJECTIVE:

To assess overall safety and preliminary anti-AML activity of combined ASTX727 and entrectinib regimen.

EXPLORATORY OBJECTIVE:

To assess the potential pharmacodynamic changes observed with treatment consisting of entrectinib alone and in combination with decitabine.

OUTLINE: This is a dose-escalation study of entrectinib.

Patients receive entrectinib orally (PO) once daily (QD) on days 1-28 and ASTX727 PO QD on days 1-5. Treatment repeats every 28 days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up at 30 days and then every 3 months for up to 1 year.

Conditions: Acute Myeloid Leukemia, Recurrent Acute Myeloid Leukemia, Refractory Acute Myeloid Leukemia
Being tested: Decitabine and Cedazuridine, Entrectinib, Laboratory Biomarker Analysis
Medical subject headings: Leukemia, Myeloid, Acute

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Decitabine and CedazuridineDrug
Also called ASTX727, C-DEC, CDA Inhibitor E7727/Decitabine Combination Agent ASTX727, Cedazuridine/Decitabine Combination Agent ASTX727
Given PO
EntrectinibDrug
Also called Rozlytrek, RXDX 101, RXDX-101, RXDX101
Given PO
Laboratory Biomarker AnalysisOther
Correlative studies

Study groups in NCT05396859
Study group	Role	What they receive
Treatment (ASTX727, entrectinib)	Experimental	Patients receive entrectinib PO QD on days 1-28 and ASTX727 PO QD on days 1-5. Treatment repeats every 28 days in the absence of disease progression or unacceptable toxicity. Receives: Drug: Decitabine and Cedazuridine; Drug: Entrectinib; Other: Laboratory Biomarker Analysis

What is being measured

The primary outcome is the main question the study is designed to answer.

Incidence of dose limiting toxicities (DLTs)
Toxicities will be assessed using the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE version [v] 5.0).
Measured: From first dose of study drug (day 1 of cycle 0) to end of cycle 1 (each cycle = 28 days)

Secondary outcomes (8)

Incidence of treatment-related grade >= 3 adverse events
Treatment-related grade >= 3 adverse events will be tallied and summarized for the entire safety analysis set and within subgroups defined by each participant's assigned entrectinib dose level. AE tabulations will be constructed at both the participant-level and the event-level, with each toxicity summarized by grade (i.e., severity), duration, and system organ class. AE incidence will be reported using frequency counts and percentages with 95% exact binomial confidence intervals (CIs).
Measured: From first dose of study drug (day 1 of cycle 0) up to 30 days post end of therapy (each cycle = 28 days)
Composite complete remission (CCR) rate
cCR is defined as the proportion of participants who attain a best response of Complete Remission with incomplete blood count recovery (CRi), Complete Remission (CR), or Complete Remission with Minimal Residual Disease (CRMRD) per 2017 European LeukemiaNet (ELN). Each response endpoint will be computed for both the safety analysis set and the efficacy analysis set, with a fraction's numerator equaling the number of participants achieving the requisite degree of response and the denominator comprising the number of participants in the respective analysis set.
Measured: From first dose of study drug up to 2 weeks after last dose of study drug, start of new cancer therapy, or transplant, end of study follow up, death (whichever is first), assessed up to 6 months
Overall response rate (ORR)
Each response endpoint will be computed for both the safety analysis set and the efficacy analysis set, with a fraction's numerator equaling the number of participants achieving the requisite degree of response and the denominator comprising the number of participants in the respective analysis set.
Measured: From first dose of study drug up to 2 weeks after last dose of study drug, start of new cancer therapy, or transplant (whichever is first), assessed up to 6 months
Clinical benefit rate (CBR)
Each response endpoint will be computed for both the safety analysis set and the efficacy analysis set, with a fraction's numerator equaling the number of participants achieving the requisite degree of response and the denominator comprising the number of participants in the respective analysis set.
Measured: From first dose of study drug up to 2 weeks after last dose of study drug, start of new cancer therapy, or transplant (whichever is first), assessed up to 6 months
Proportion transplanted
The proportion of participants in the safety analysis set who transition to stem cell transplantation will be computed and reported as a percentage with a 95% exact CI.
Measured: From first dose of study drug up to end of follow-up or death, assessed up to 6 months
Duration of response (DOR)
Will be estimated by the Kaplan-Meier method and reported with the median and rates at various landmark times (e.g., 3 months, 6 months, 1 year), each accompanied with a 95% complementary log-log CI.
Measured: From first dose of study drug up to end of follow-up, loss of partial response (PR), progression or death (whichever is first), assessed up to 6 months
Event free survival (EFS)
Will be estimated by the Kaplan-Meier method and reported with the median and rates at various landmark times (e.g., 3 months, 6 months, 1 year), each accompanied with a 95% complementary log-log CI.
Measured: From first dose of study drug up to end of follow-up, relapse, progression, start of new cancer therapy, study drug discontinuation due to toxicity or death (whichever is first), assessed up to 6 months
Overall survival (OS)
Will be estimated by the Kaplan-Meier method and reported with the median and rates at various landmark times (e.g., 3 months, 6 months, 1 year), each accompanied with a 95% complementary log-log CI.
Measured: From first dose of study drug up to end of follow-up or death, assessed up to 6 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

28 Oct 20221 Feb 2027

First posted31 May 2022
Study start28 Oct 2022
Primary completion10 Jun 2024
Study completion1 Feb 2027 (estimated)

Resources

Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
Other trials for Acute Myeloid LeukemiaStudies of the same condition, open and under way.
What the trial phases meanHow a treatment moves from first tests in people to approval.

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design

Study type: Interventional
Phase: Phase 1
Primary purpose: Treatment
Allocation: Not applicable
Intervention model: Single group
Masking: None (open label)
Enrolment: 13 participants (actual)

IDs, dates and publications

ClinicalTrials.gov ID: NCT05396859
Sponsor's protocol ID: STUDY00023205
Other IDs: NCI-2022-02156, STUDY00023205
Status last verified: Oct 2026
First submitted: 20 Apr 2022
Last updated: 15 Oct 2026
Results posted: No
Data monitoring committee: Yes
FDA-regulated drug: Yes
FDA-regulated device: No

Want to know more?

The sponsor has not listed a contact. The official record may have more details.

Talk to your doctor first and take this page with you. Only the study team can confirm whether you can join.

Questions to ask the study team

What is the study trying to find out?
What would I need to do, and how often would I visit?
Could I receive a placebo instead of the treatment?
What are the possible risks and benefits for me?
Will it cost me anything? Are travel or time paid for?
Can I keep seeing my own doctor during the study?
What happens when the study ends?

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