Testing the Combination of Targeted Radiotherapy With Anti-Cancer Drugs, Venetoclax and ASTX-727, to Improve Outcomes for Adults With Newly Diagnosed Acute Myeloid Leukemia

Part of paid clinical trials in New Haven, Connecticut.

Sponsor
National Cancer Institute (NCI)
Study ID
NCT06802523
Phase
PHASE1
Status
Suspended

Conditions

Eligibility Criteria

Sex
ALL
Age
18 Years - N/A
Healthy Volunteers
Not accepted

Interventions

  • Actinium Ac 225 Lintuzumab — RADIATION
    Given IV
  • Biospecimen Collection — PROCEDURE
    Undergo blood sample collection
  • Bone Marrow Aspiration — PROCEDURE
    Undergo bone marrow aspiration and biopsy
  • Bone Marrow Biopsy — PROCEDURE
    Undergo bone marrow aspiration and biopsy
  • Decitabine and Cedazuridine — DRUG
    Given PO
  • Venetoclax — DRUG
    Given PO

Study Details

This phase I trial tests the safety, side effects, and best dose of lintuzumab-Ac225 in combination with venetoclax and ASTX-727, and how well they work in treating patients with newly diagnosed acute myeloid leukemia (AML). Lintuzumab-Ac225 is a monoclonal antibody, called lintuzumab, linked to a radioactive agent called actinium Ac 225. Lintuzumab attaches to CD33 positive cancer cells in a targeted way and delivers actinium Ac 225 to kill them. Venetoclax is in a class of medications called B-cell lymphoma-2 (BCL-2) inhibitors. It may stop the growth of cancer cells by blocking Bcl-2, a protein needed for cancer cell survival. ASTX-727 is a combination of two drugs, 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. Giving lintuzumab-Ac225 in combination with venetoclax and ASTX-727 may be safe and tolerable in treating patients with newly diagnosed AML and may improve the chance of going into remission and staying in remission for a longer period of time.

Key Dates

Start date
Apr 21, 2026
Status verified
Jan 2026
Primary completion
Dec 31, 2028
Completion
Dec 31, 2028

Study Design

Enrollment
53 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT

Arms

  • Experimental: Schedule 1 (lintuzumab-Ac225, venetoclax, ASTX-727)
    INDUCTION: Patients receive lintuzumab-Ac225 IV over 30 minutes on day 8, venetoclax PO QD on days 1-28 and ASTX-727 PO QD on days 1-5 of cycle 1. RE-INDUCTION: Patients with CR,PR or NR after cycle 1 receive lintuzumab-Ac225 IV over 30 minutes on day 8, venetoclax PO QD on days 1-28 and ASTX-727 PO QD on days 1-5 of cycle 2. MAINTENANCE/CONSOLIDATION: Patients with CRi, CRh, or MLFS after cycle 1 receive venetoclax PO QD on days 1-28 and ASTX-727 PO QD on days 1-5 of each cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Additionally, patients undergo bone marrow aspiration and biopsy and blood sample collection throughout the study.
  • Experimental: Schedule 2 (lintuzumab-Ac225, venetoclax, ASTX-727)
    INDUCTION: Patients receive lintuzumab-Ac225 V over 30 minutes on day 1, venetoclax PO QD on days 1-28 and ASTX-727 PO QD on days 1-5 of cycle 1. RE-INDUCTION: Patients with CR, PR or NR receive lintuzumab-Ac225 IV over 30 minutes on day 1, venetoclax PO QD on days 1-28 and ASTX-727 PO QD on days 1-5 of cycle 2. MAINTENANCE/CONSOLIDATION: Patients with CRi, CRh, or MLFS after cycle 1 receive venetoclax PO QD on days 1-28 and ASTX-727 PO QD on days 1-5 of each cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Additionally, patients undergo bone marrow aspiration and biopsy and blood sample collection throughout the study.

Primary Outcome Measure

Incidence of dose limiting toxicities [ Time Frame: Up to 28 days after the start of induction (up to 42 days for persistent neutropenia and thrombocytopenia) ]

Locations (1)

FacilityCityStateZIPSite coordinators
Yale University Cancer Center LAONew HavenConnecticut06520-

Find similar trials in New Haven, CT

By condition
Leukemia (other)
By specialty
OncologyBlood cancer
By research site
Yale University Cancer Center LAO· New Haven, CT

Related Studies