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NCT Number: NCT06387420

A Study of AK117 in Combination With Azactidine Plus Venetoclax in Patients With Acute Myeloid Leukemia

This is a phase 1b/2 study. All patients are diagnosed with Acute Myeloid Leukemia (AML), Eastern Cooperative Oncology Group (ECOG) performance status 0-3. The purpose of this study is to evaluate the safety and efficacy of AK117 + azacitidine + venetoclax in subjects with AML.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1 / Phase 2

Primary location

Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College

Tianjin, China

Location contact

Jianxiang Wang

CONTACT

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age ≥ 18 years old at the time of enrolment.
  • Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0~3, and 0~2 are required for subjects ≥75 years old.
  • Has a life expectancy of at least 12 weeks.
  • Diagnosed as AML diagnosed according to WHO 2022 criteria.
  • Has adequate organ function.
  • All female and male subjects of reproductive potential must agree to use an effective method of contraception, as determined by the Investigator, during and for 120 days after the last dose of study treatment.

Exclusion criteria

  • Diagnosed with acute promyelocytic leukemia, BCR-ABL1-positive AML, myeloid sarcoma, mixed phenotype acute leukemia (MPAL), accelerated phase or blast crisis of Chronic Myeloid Leukemia.
  • has central nervous system leukemia (CNSL).
  • Favorable risk cytogenetics such as t(8;21), inv(16) or t(16;16) or t(15;17) as per the National Comprehensive Cancer Network (NCCN) Guidelines Version 6, 2023 for AML.
  • Previously diagnosed with another malignancy or have any evidence of residual disease.
  • Previous allogeneic hematopoietic stem cell transplant (allo-HSCT).
  • Prior treatment with any B-cell lymphoma 2 (Bcl-2) inhibitors, anti-CD47 or anti-SIRPα (signal regulatory protein alpha) agent.
  • Use strong or moderate cytochrome P450 (CYP) 3A inducers systemically within one week prior to enrollment, or currently require long-term treatment with a moderate to strong CYP3A inducer.
  • Previously diagnosed with MDS and treated with demethylating drugs.
  • Patients with known cardiopulmonary disease defined as unstable angina, clinically significant arrhythmia, congestive heart failure (New York Heart Association Class III or IV), decompensated cirrhosis, nephrotic syndrome, uncontrolled metabolic disorders.
  • Other conditions where the investigator considers the patient inappropriate for enrollment.

Treatment and study plan

AK117

Drug

Subjects receive AK117 intravenously.

Azacitidine

Drug

Subjects receive azacitidine subcutaneously.

Venetoclax

Drug

Subjects receive venetoclax orally.

Placebo

Other

Subjects receive placebo intravenously.

Primary outcomes

  1. Phase 1b: Number of participants with dose limiting toxicity (DLT)

    Time frame: At the end of Cycle 1 (each cycle is 28 days)

    Any untoward medical occurrence in a subject within the first cycle, considered related to the study treatment

  2. Phase 1b/2: Number of participants with adverse events (AEs)

    Time frame: Up to approximately 2 years.

    Any untoward medical occurrence in a subject, temporally associated with the use of study treatment, whether or not considered related to the study treatment

  3. Phase 1b/2: Composite complete remission rate (CCR)

    Time frame: Time Frame: Up to approximately 2 years

    The proportion of subjects achieving complete remission (CR) , complete remission with partial hematologic recovery (CRh) or complete remission with incomplete hematologic recovery (CRi) per European LeukemiaNet (ELN) 2022 criteria

Secondary outcomes

  1. Overall response rate (ORR)

    Time frame: Up to approximately 2 years

    The proportion of subjects with recorded response per European LeukemiaNet (ELN) 2022

  2. Time to response (TTR)

    Time frame: Up to approximately 2 years

    Time from cycle 1 day 1(C1D1) to the first recorded response

  3. Time to CCR (TTCCR)

    Time frame: Up to approximately 2 years

    Time from C1D1 to the first recorded CR, CRh or CRi

  4. Duration of response (DoR)

    Time frame: Up to approximately 2 years

    Time from the first recorded response until disease progression, relapse, or death due to any cause, whichever occurs first

  5. Duration of CCR (DoCCR)

    Time frame: Up to approximately 2 years

    Time from the first recorded CR, CRh or CRi until disease progression, relapse, or death due to any cause, whichever occurs first

  6. Rate of CCR Without Minimal Residual Disease (CCR MRD-)

    Time frame: Up to approximately 2 years

    The proportion of subjects achieving CR, CRh or CRi with MRD-negative status per ELN 2022 criteria.

  7. Event-free survival (EFS)

    Time frame: Up to approximately 2 years

    Time from C1D1 until disease progression, relapse, or death due to any cause, whichever occurs first

  8. Overall survival (OS)

    Time frame: The time from C1D1 until death due to any cause

    Up to approximately 2 years

  9. Peak of Serum Concentration (Cmax)

    Time frame: Up to approximately 2 years

    Maximal serum concentrations of AK117 in individual subjects at different time points after AK117 administration

  10. Anti-drug antibody (ADA)

    Time frame: Up to approximately 2 years

    Number of subjects with detectable anti-drug antibodies

  11. Receptor occupancy (RO)

    Time frame: Up to approximately 2 years

    CD47 occupancy rate on peripheral blood T cells and red blood cells before and after AK117 administration

Study contacts

Contact information is provided by the study sponsor or research team.

Jie Yang, MD

CONTACT

[email protected]

+86(0760)89873999

Sponsors and collaborators

Lead sponsor

Akeso

Industry

Registry information

Official study title

A Phase 1b/2 Study of AK117 (Anti-CD47 Antibody) in Combination With Azactidine Plus Venetoclax in Patients With Acute Myeloid Leukemia

Important dates

Study start
2024
Primary completion
2026
Study completion
2027
First posted
Apr 29, 2024
Registry last updated
Apr 29, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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