First-in-human Study of SAR443579 Infusion in Male and Female Children and Adult Participants With Relapsed or Refractory Acute Myeloid Leukemia (R/R AML), B-cell Acute Lymphoblastic Leukemia (B-ALL), High Risk-myelodysplasia (HR-MDS), or Blastic Plasmacytoid Dendritic Cell Neoplasm (BPDCN)

June 8, 2026 updated by: Sanofi

An Open-label, First-in-human, Dose-escalation/Expansion Study of SAR443579 Administered as Single Agent by Intravenous Infusion in Adult and Pediatric Participants With Relapsed or Refractory Acute Myeloid Leukemia (R/R AML), B-cell Acute Lymphoblastic Leukemia (B-ALL), High Risk-myelodysplasia (HR-MDS), or Blastic Plasmacytoid Dendritic Cell Neoplasm (BPDCN)

This is an open-label, multicenter, Phase 1/Phase 2, dose escalation and dose expansion study to evaluate the safety, pharmacokinetics, pharmacodynamics and anti-leukemic activity of SAR443579 in various hematological malignancies.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Terminated

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Study duration per participant is 2.5 years.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
101

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.
  • Name: Trial Transparency email recommended (Toll free for US & Canada)
  • Phone Number: option 6 800-633-1610
  • Email: Contact-US@sanofi.com

Study Locations

  • Australia
    • Victoria
      • Melbourne, Victoria, Australia, 3000
        • Investigational Site Number :0360002
      • Melbourne, Victoria, Australia, 3004
        • Investigational Site Number :0360001
  • China
      • Tianjin, China, 300020
        • Investigational Site Number : 1560001
      • Zhengzhou, China, 450008
        • Investigational Site Number : 1560003
  • France
      • Marseille, France, 13009
        • Investigational Site Number :2500002
      • Paris, France, 75010
        • Investigational Site Number :2500001
      • Paris, France, 75019
        • Investigational Site Number : 2500004
      • Villejuif, France, 94800
        • Investigational Site Number :2500003
  • Netherlands
      • Amsterdam, Netherlands, 1081 HV
        • Investigational Site Number :5280002
      • Groningen, Netherlands, 9713 GZ
        • Investigational Site Number :5280003
      • Nijmegen, Netherlands, 6525 GA
        • Investigational Site Number : 5280005
      • Rotterdam, Netherlands, 3015 CE
        • Investigational Site Number :5280001
      • Utrecht, Netherlands, 3584 CS
        • Investigational Site Number :5280004
  • United States
    • California
      • Duarte, California, United States, 91010
        • City of Hope-Site Number:8400002
    • Georgia
      • Atlanta, Georgia, United States, 30303
        • Emory University School of Medicine- Grady Campus- Site Number : 8400006
    • Massachusetts
      • Boston, Massachusetts, United States, 02215
        • Beth Israel Deaconess Medical Center-Site Number:8400004
    • New York
      • New York, New York, United States, 10021
        • Weill Cornell Medical College-Site Number:8400003
      • The Bronx, New York, United States, 10461
        • Montefiore Hutchinson Campus- Site Number : 8400012
    • Ohio
      • Columbus, Ohio, United States, 43210
        • The Ohio State University- Site Number : 8400009
    • Oregon
      • Portland, Oregon, United States, 97239
        • Oregon Health and Science University-Site Number:8400011
    • Pennsylvania
      • Philadelphia, Pennsylvania, United States, 19104
        • The Children's Hospital of Philadelphia- Site Number : 8400013
    • Texas
      • Houston, Texas, United States, 77030
        • MD Anderson Cancer Center-Site Number:8400001
    • Washington
      • Seattle, Washington, United States, 98105
        • Seattle Children's Hospital- Site Number : 8400014

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

12 years and older (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Participant must be at least 1 year (for France: 2 years) old at the time the trial participant or legal guardian signs the informed consent form and will be assigned as follows:

    • Adult arm: aged at least 18 years old.
    • Pediatric arm: aged 1 (for France: 2 years) to less than 18 years old.

  • Adult and Pediatric Arms: Escalation and Expansion/Optimization Cohorts A1, A2, C, D: Confirmed diagnosis of primary or secondary AML (any subtype) according to World Health Organization (WHO) 2022 classification. Participants with AML must meet one of the following criteria, a), b), c) or d) and are limited to those with no available (or are ineligible) therapy with known clinical benefit.

    a) Primary Induction Failure (PIF) AML, defined as disease refractory to one of the following, i or ii.

    i) An intensive induction attempt, per institution. Induction attempts include high-dose and/or standard-dose cytarabine ± an anthracyclines/anthracenedione ± an anti-metabolite, with or without growth factor or targeted therapy containing regimens.

ii) For adults who are age 75 years or older, or who have comorbidities that preclude use of intensive induction chemotherapy; PIF is defined as AML refractory to one of the following less intensive regimens, 1 or 2:

  1. 4 cycles of hypomethylating agents (HMA) or

  2. 2 cycles HMA + venetoclax b) Early relapse (ER) AML, defined as AML in relapse with CR, CRh or CRi duration less than 6 months on prior induction treatment c) Leukemia in first or higher relapse d) For participants aged 1 (for France: 2 years) to less than 18 years old, primary induction failure is defined as disease refractory after two cycles of induction therapy.

    • Adult Arm (Escalation and Expansion/Optimization Cohorts B and Japan Cohort C only): Confirmed diagnosis of MDS, meeting the following criteria:

      1. intermediate or high-risk category as per a Revised International Prognostic Scoring System (IPSS-R) AND
      2. confirmed CD123 + expression status determined by local institutional standards AND
      3. limited to those with no available (or are ineligible) therapy with known clinical benefit.
    • Pediatric arms escalation part and Japan Cohort C only: Confirmed diagnosis of CD123+ BALL without extramedullary lesions that have no available (or are ineligible) therapy with known clinical benefit. Participants with non-CNS chloromatous disease are not allowed in the study.
    • Body weight at least 10 kg.
    • Pediatric arm and escalation part only: Confirmed diagnosis of BPDCN according to World Health Organization (WHO) 2022 classification, who have relapsed or refractory disease with no available (or are ineligible) therapy with known clinical benefit.
    • Japan participants (Cohort C): Participant must be at least 18 years old at the time the trial participant signs the informed consent form

Exclusion Criteria:

  • Eastern Cooperative Oncology Group (ECOG) performance status greater than 2 (at least 18 years-old). Karnofsky Scale (16 to 17 years-old) less than 50% or Lansky Scale (less than 16 years-old) less than 50%.
  • Ongoing or recent (within 5 years) evidence of significant autoimmune disease that requires or required treatment with systemic immunosuppressive treatments, which may suggest a risk for immune-related adverse events. The following are not exclusionary: vitiligo, childhood asthma that has resolved, residual hypothyroidism that required only hormone replacement or psoriasis that does not require systemic treatment.
  • History of an invasive malignancy within the last 3 years prior to first IMP administration that requires active therapy (adjuvant hormonal therapy is allowed) other than the one treated in this study.
  • Evidence of active central nervous system leukemia at the time of enrollment as evidenced by cytology or pathology. Except for participants aged 1 (for France: 2 years) to less than 18 years, central nervous system 1 disease (CNS1) and CNS2 disease are allowed.
  • Known acquired immunodeficiency syndrome (AIDS-related illnesses) or human immunodeficiency virus (HIV) disease requiring antiretroviral treatment, or having active hepatitis B or C infection, or severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection.
  • Prior treatment with an anti-CD123-directed agent (except for participants with BPDCN in the pediatric arm).
  • Prior HSCT with relapse beyond 3 months or prior CAR-T therapy in B-ALL with relapse beyond 2 months may be included only if off immunosuppression for a minimum of 4 weeks and no evidence of GVHD.
  • Receiving at the time of first investigational medicinal product (IMP) administration corticosteroid as a concomitant medication with corticosteroid dose more than 10 mg/day of oral prednisone or the equivalent.
  • AML, BPDCN, or HR-MDS participants with prior treatment with cellular therapy, eg, chimeric antigen receptor T cell (CAR-T) or chimeric antigen receptor NK cell (CAR-NK). Prior CAR-T therapy is allowed for participants with B-ALL.
  • Concurrent treatment with other investigational drugs.
  • Pregnant and breast-feeding women.
  • History of solid organ transplant, including corneal transplant.
  • Average QTc (using the Fridericia correction calculation) greater than 470 millisecond (msec) at screening.
  • Pediatric arm only: Participants with known inherited bone marrow failure syndromes (e.g., bloom syndrome, ataxia-telangiectasia, Fanconi anemia, Kostmann syndrome, Shwachman syndrome). Participants with Down syndrome with adequate organ function as per Investigator discretion are allowed to participate in the study.
  • Adult arm Expansion/Optimization- Participants with MDS evolving from a pre-existing myeloproliferative neoplasm (MPN), MDS/MPN including chronic myelomonocytic leukemia (CMML), atypical chronic myeloid leukemia (aCML), unclassifiable MDS/MPN and therapy-related MDS (t-MDS).
  • Confirmed diagnosis of acute promyelocytic leukemia (APL) or juvenile myelomonocytic leukemia (JMML) according to WHO 2022 classification.

The above information is not intended to contain all considerations relevant to a potential participation in a clinical trial.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: SAR443579

Dose Escalation: SAR443579 administered intravenously at escalating dose levels.

Dose Expansion: SAR443579 administered intravenously at the recommended dose and schedule determined from the dose escalation.
Drug: SAR443579
Powder for solution for infusion; by IV infusion

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Dose Escalation: Number of Participants With Dose Limiting Toxicities (DLTs)
Time Frame: Cycle 1 Day 1 up to Cycle 1 Day 28. Each cycle duration in induction period was 28 days.
The DLT was defined as any of the following events during Cycle 1 (first 28 days) using NCI CTCAE v5.0 or ASTCT criteria, whether related or not to the study treatment in the absence of clear evidence to the contrary, and if not related to disease progression. Hematologic DLTs included hematologic toxicities, bone marrow hypocellularity, decreased neutrophils lasting, febrile neutropenia, decreased platelet count lasting, anemia (all Grade 4), and Grade 3 thrombocytopenia. Non-hematologic DLTs included any Grade >=3 toxicities except alopecia, Grade 3 fatigue, asthenia, fever, anorexia, constipation, nausea, vomiting, diarrhea, total parenteral nutrition, hospitalization related events, infection, bleeding, Grade 3 infusion related reaction and laboratory abnormalities, Grade 3 or 4 tumor lysis syndrome and isolated electrolyte abnormalities. Also, DLTs were any treatment related toxicity causing >2 week delay in recovery to baseline/Grade <=1 or requiring dose reduction.
Cycle 1 Day 1 up to Cycle 1 Day 28. Each cycle duration in induction period was 28 days.
Dose Escalation (Cohort C): Number of Participants With Dose Limiting Toxicities
Time Frame: Cycle 1 Day 1 to Cycle 1 Day 28. Each cycle duration in induction period was 28 days.
The DLT was defined as any of the following events during Cycle 1 (first 28 days) using NCI CTCAE v5.0 or ASTCT criteria, whether related or not to the study treatment in the absence of clear evidence to the contrary, and if not related to disease progression. Hematologic DLTs included hematologic toxicities, bone marrow hypocellularity, decreased neutrophils lasting, febrile neutropenia, decreased platelet count lasting, anemia (all Grade 4), and Grade 3 thrombocytopenia. Non-hematologic DLTs included any Grade >=3 toxicities except alopecia, Grade 3 fatigue, asthenia, fever, anorexia, constipation, nausea, vomiting, diarrhea, total parenteral nutrition, hospitalization related events, infection, bleeding, Grade 3 infusion related reaction and laboratory abnormalities, Grade 3 or 4 tumor lysis syndrome and isolated electrolyte abnormalities. Also, DLTs were any treatment related toxicity causing >2 week delay in recovery to baseline/Grade <=1 or requiring dose reduction.
Cycle 1 Day 1 to Cycle 1 Day 28. Each cycle duration in induction period was 28 days.
Dose Expansion (Cohorts A1, A2 and D): Composite Complete Remission (CRc) Rate
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
The CRc rate was defined as the percentage of participants who had a response of complete remission (CR), CR with partial hematologic recovery (CRh) or CR with incomplete hematologic recovery (CRi) according to modified AML International Working Group (IWG) 2003 response criteria.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohort B): Overall Response Rate (ORR)
Time Frame: Tumors were planned to assess on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first.
The ORR was defined as the percentage of participants who had a response of CR, CR equivalent, partial remission (PR), CR with limited count recovery (CRL), CRh or hematologic improvement (HI) according to IWG 2023 myelodysplastic syndrome (MDS) response criteria.
Tumors were planned to assess on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first.

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Dose Expansion (Cohorts A1, A2, B and D): Recommended Dose for Expansion (RDE)
Time Frame: Cycle 1 Day 1 up to Cycle 1 Day 28. Each cycle duration in induction period was 28 days.
The RDE of SAR443579 was determined based on the occurrence of DLTs in Cycle 1.
Cycle 1 Day 1 up to Cycle 1 Day 28. Each cycle duration in induction period was 28 days.
Dose Escalation and Dose Expansion (Cohort A1): Number of Participants With Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (SAEs)
Time Frame: From the first dose of study drug administration (Day 1) up to early termination of the study, maximum treatment duration was 117.3 weeks for dose escalation (adult), 12 weeks for dose escalation (pediatric) and 20.9 for dose expansion (Cohort A1).
An adverse event (AE) was any untoward medical occurrence in a clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. An SAE was defined as any AE that: resulted in death; or was life-threatening; or required inpatient hospitalization or prolongation of existing hospitalization; or resulted in persistent or significant disability/incapacity; or was a congenital anomaly/birth defect; or was an important medical event. The TEAEs were defined as events that were newly reported or reported to worsen in severity after the first administration of study treatment up to 30 days after the last administration of study treatment.
From the first dose of study drug administration (Day 1) up to early termination of the study, maximum treatment duration was 117.3 weeks for dose escalation (adult), 12 weeks for dose escalation (pediatric) and 20.9 for dose expansion (Cohort A1).
Dose Escalation and Dose Expansion (Cohort A1): Minimum Plasma Concentration (Ctrough) of SAR443579
Time Frame: At Days 1, 4, 8, 11, 15, 22, and 28 of Cycle 1
Blood samples are collected just before treatment administration during repeated dosing to determine the Ctrough of SAR443579.
At Days 1, 4, 8, 11, 15, 22, and 28 of Cycle 1
Dose Escalation and Dose Expansion (Cohort A1): Percentage of Participants With Anti-drug Antibodies (ADA) Against SAR443579
Time Frame: From the first dose of study drug administration (Day 1) up to early termination of the study, maximum treatment duration was 117.3 weeks for dose escalation (adult), 12 weeks for dose escalation (pediatric) and 20.9 for dose expansion (Cohort A1).
Plasma samples were collected to assess the antibodies to SAR443579. Treatment-emergent ADA was defined as a participant with at least 1 treatment-induced or treatment-boosted ADA-positive sample at any time during the treatment or follow-up observation period. Non-treatment emergent ADA was defined as participant without any treatment-induced, treatment-boosted ADA-positive or ADA-inconclusive sample during the treatment or follow-up observation period.
From the first dose of study drug administration (Day 1) up to early termination of the study, maximum treatment duration was 117.3 weeks for dose escalation (adult), 12 weeks for dose escalation (pediatric) and 20.9 for dose expansion (Cohort A1).
Dose Escalation and Dose Expansion (Cohort C): Composite Complete Remission Rate Assessed by Acute Myeloid Leukemia 2003 Modified International Working Group Response Criteria and National Comprehensive Cancer Network (NCCN)
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until relapse, unacceptable AE, discontinuation or death. Maximum treatment duration: 117.3 weeks (adults) and 12 weeks (pediatrics) in dose escalation phase.
The CRc rate was defined as the percentage of participants who had a response of CR, CRh or CRi according to modified AML IWG 2003 response criteria. For Dose Expansion (Cohort C), the CRc rate was planned to be assessed according to NCCN.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until relapse, unacceptable AE, discontinuation or death. Maximum treatment duration: 117.3 weeks (adults) and 12 weeks (pediatrics) in dose escalation phase.
Dose Escalation and Dose Expansion (Cohort C): Alternative Complete Remission Rate
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until relapse, unacceptable AE, discontinuation or death. Maximum treatment duration: 117.3 weeks (adults) and 12 weeks (pediatrics) in dose escalation phase.
Alternative CR rate was defined as percentage of participants with CR and CRh according to modified AML IWG 2003 response criteria.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until relapse, unacceptable AE, discontinuation or death. Maximum treatment duration: 117.3 weeks (adults) and 12 weeks (pediatrics) in dose escalation phase.
Dose Escalation and Dose Expansion (Cohort C): Overall Response Rate
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until relapse, unacceptable AE, discontinuation or death. Maximum treatment duration: 117.3 weeks (adults) and 12 weeks (pediatrics) in dose escalation phase.
Overall response rate was defined as percentage of participants who had a CR or CRi or CRh or PR or morphological leukemia-free state (MLFS) according to modified AML IWG 2003 response criteria.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until relapse, unacceptable AE, discontinuation or death. Maximum treatment duration: 117.3 weeks (adults) and 12 weeks (pediatrics) in dose escalation phase.
Dose Expansion (Cohorts A1, A2 and D): Overall Response Rate
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Overall response rate was defined as percentage of participants who had a CR or CRi or CRh or PR or MLFS according to modified AML IWG 2003 response criteria.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohorts A1, A2 and D): Duration of Composite Complete Remission Rate
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Duration of CRc was defined as the time interval from first documented evidence of CRc (CR, CRh or CRi) until disease relapse (DR) or death due to any cause, whichever comes first.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohorts A1, A2, B and D): Duration of Overall Response Rate
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Duration of overall response rate was defined as the time from the first documented evidence of CR or CRi or CRh or PR or MLFS until DR or death due to any cause, whichever comes first.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohorts A1, A2, B and D): Alternative Complete Remission Rate
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Alternative CR rate was defined as percentage of participants with CR and CRh according to modified AML IWG 2003 response criteria.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohorts A1, A2, B and D): Duration of Alternative Complete Remission Rate
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Duration of alternative CR was defined as the time from the first documented evidence of CR or CRh until DR or death due to any cause, whichever comes first.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohorts A1, A2, B and D): Event-Free Survival (EFS)
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
The EFS was defined as the time interval from the first day of treatment assignment to the date of earliest evidence of relapse, treatment failure, or death.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohorts A1, A2, B and D): Overall Survival (OS)
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
The OS was defined as time interval from the first day of treatment assignment to death from any cause.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohorts A1, A2, B and D): Rate of Hematopoietic Stem Cell Transplantation (HSCT)
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
The HSCT rate was defined as the percentage of participants who had received HSCT immediately following study treatment administration but prior to subsequent therapy for treatment of AML.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohorts A1, A2, B and D): Time to Treatment Failure (TTF)
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
The TTF was defined as the time from first day of treatment assignment to discontinuation for any reason excluding remission, example, relapsed disease, refractory disease, unacceptable AE, participant preference or death.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohorts A1, A2 and D): Transfusion Independence (TI) Rate
Time Frame: Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
The TI rate was defined differently for participants who were transfusion dependency (TD) at baseline and participants who were transfusion independency (TI) at baseline. For subgroup of participants with TD at baseline, the TI rate was defined as the percentage of participants who convert from baseline TD to TI during on treatment period; For subgroup of participants with TI at baseline, the TI rate was defined as the percentage of participants who remain TI during 56-day post baseline period during treatment.
Tumors were assessed on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first. Maximum treatment duration was 20.9 weeks.
Dose Expansion (Cohort B): Progression Free Survival (PFS)
Time Frame: Tumors were planned to assess on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first.
The PFS was defined as the time interval from the first day of treatment assignment to the date of disease progression, relapse from CR (or CR equivalent), PR, CRL, CRh, or HI, death due to any cause, whichever comes first.
Tumors were planned to assess on Day 28 of each induction cycle and Day 56 of each maintenance cycle until disease relapse, unacceptable AE, discontinuation, or death, whichever occurred first.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Sanofi

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Director: Clinical Sciences & Operations, Sanofi

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
December 8, 2021

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 13, 2025

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
June 13, 2025

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
October 19, 2021

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 19, 2021

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
October 20, 2021

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
July 6, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 8, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
June 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • TCD17197
  • U1111-1266-7399 (Registry Identifier: ICTRP)
  • 2021-004287-98 (EudraCT Number)
  • 2023-508357-58 (Registry Identifier: CTIS)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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