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Lisaftoclax Plus Azacitidine Maintenance After Allogeneic Hematopoietic Stem Cell Transplantation in Acute Myeloid Leukemia Patients at High Risk of Relapse

Maintenance Therapy With Lisaftoclax Plus Azacitidine After Allogeneic Hematopoietic Stem Cell Transplantation in Acute Myeloid Leukemia Patients at High Risk of Relapse: A Multicenter, Open-Label, Randomized Controlled Trial

This study evaluates the efficacy and safety of maintenance therapy with lisaftoclax plus azacitidine after allogeneic hematopoietic stem cell transplantation (allo-HSCT) in adults with acute myeloid leukemia (AML) at high risk of relapse.

The main questions this study aims to answer are:

  • Does maintenance therapy with lisaftoclax plus azacitidine improve disease-free survival compared with observation alone after allo-HSCT?
  • Does maintenance therapy reduce relapse and improve overall survival?
  • What adverse events and safety outcomes are associated with this treatment strategy?

Researchers will compare maintenance therapy with lisaftoclax plus azacitidine with observation or best supportive care in patients with AML at high risk of relapse following allo-HSCT.

Participants will:

  • Be randomly assigned in a 2:1 ratio to receive either maintenance therapy with lisaftoclax plus azacitidine or observation.
  • Receive study treatment for up to 12 cycles or undergo observation according to the study assignment.
  • Undergo regular follow-up assessments, disease monitoring, and safety evaluations after transplantation.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

191

Fase

  • Fase 3

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

Participants must meet all of the following criteria to be eligible for enrollment in this study:

  1. Diagnosed with acute myeloid leukemia (AML), excluding acute promyelocytic leukemia, according to the WHO 2022 classification, and without FLT3-ITD or FLT3-TKD mutations.
  2. Presence of at least one of the following high-risk features:

1) Adverse-risk AML according to the ELN 2022 risk classification; 2) Refractory AML; 3) Relapsed AML; 4) Persistent measurable residual disease positivity prior to transplantation; 5) Secondary AML transformed from myelodysplastic syndrome or myeloproliferative neoplasm.

3. Undergoing first allogeneic hematopoietic stem cell transplantation (allo-HSCT).

4. Stable hematologic recovery, defined as: Absolute neutrophil count ≥ 1.0 × 10⁹/L without G-CSF support; and Platelet count ≥ 50 × 10⁹/L without platelet transfusion within 7 days prior to randomization.

5. Age ≥18 years and ≤75 years. 6. Eastern Cooperative Oncology Group performance status of 0-2. 7. Ability to provide written informed consent before initiation of any study procedures.

8. Written informed consent may be provided by the participant or an authorized immediate family member in accordance with local regulations.

Exclusion Criteria:

Participants meeting any of the following criteria will be excluded from the study:

  1. Evidence of disease relapse or impending relapse prior to randomization after transplantation, as determined by morphologic assessment or flow cytometry.
  2. Active or uncontrolled acute graft-versus-host disease (aGVHD) requiring systemic immunosuppressive therapy.
  3. Uncontrolled active infection requiring systemic antibacterial, antifungal, or antiviral therapy within 7 days prior to enrollment.
  4. Moderate or severe hepatic impairment, as defined by the Child-Pugh classification.
  5. Severe renal impairment, defined as creatinine clearance <30 mL/min (calculated using the Cockcroft-Gault formula) or requirement for dialysis.
  6. Pregnancy, or unwillingness/inability to use adequate contraception during the study treatment period.
  7. Psychiatric disorders or other medical conditions that, in the investigator's judgment, would interfere with compliance with study treatment, monitoring, or study procedures.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Ingen inngripen: Observasjon
Eksperimentell: Lisaftoclax plus Azacitidine Maintenance Therapy
Participants will receive maintenance therapy with lisaftoclax plus azacitidine after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Lisaftoclax will be administered orally at a dose of 400 mg once daily on Days 1-7 of each treatment cycle. Azacitidine will be administered at a dose of 32 mg/m² by subcutaneous injection or intravenous infusion on Days 1-5 of each treatment cycle. Each treatment cycle is 28 days in length. Maintenance therapy will be administered for up to 12 cycles or until 15 months after allo-HSCT, whichever occurs first. The dose of lisaftoclax may be modified according to concomitant medications and treatment-related hematologic toxicities. The interval between treatment cycles may be extended based on individual tolerability and hematologic recovery.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Disease-Free Survival
Tidsramme: 2 years
Disease status (including relapse) and survival outcomes will be evaluated for the assessment of disease-free survival (DFS). DFS is defined as the time from randomization to the first occurrence of relapse or death from any cause. Prespecified subgroup analyses will be conducted according to pre-transplant measurable residual disease (MRD) status (MRD-positive vs. MRD-negative) to assess the consistency of treatment effects across MRD subgroups.
2 years

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Cumulative Incidence of Relapse
Tidsramme: 2 years
The cumulative incidence of relapse will be assessed during the follow-up period.
2 years
Overall Survival
Tidsramme: 2 years.
Overall survival (OS) is defined as the time from randomization to death from any cause. Prespecified subgroup analyses will be conducted according to pre-transplant measurable residual disease (MRD) status to assess the consistency of treatment effects between MRD-positive and MRD-negative patients.
2 years.
Cumulative Incidence of Pre-emptive Therapy.
Tidsramme: 2 years
Pre-emptive therapy rate is defined as the proportion of patients who receive additional anti-leukemic treatment triggered by measurable residual disease positivity or other molecular evidence of impending relapse after allogeneic hematopoietic stem cell transplantation.
2 years
Cumulative Incidence of Non-Relapse Mortality
Tidsramme: 2-years.
Non-relapse mortality, defined as death without prior disease relapse or progression, assessed as a cumulative incidence.
2-years.
Treatment-Related Adverse Events
Tidsramme: From initiation of maintenance therapy to 30 days after last dose of study drug.
Incidence, severity, and type of adverse events will be evaluated and graded according to CTCAE v5.0 during maintenance therapy and follow-up.
From initiation of maintenance therapy to 30 days after last dose of study drug.

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

10. august 2026

Primær fullføring (Antatt)

10. august 2030

Studiet fullført (Antatt)

10. august 2030

Datoer for studieregistrering

Først innsendt

30. juni 2026

Først innsendt som oppfylte QC-kriteriene

30. juni 2026

Først lagt ut (Faktiske)

7. juli 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

7. juli 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

30. juni 2026

Sist bekreftet

1. juni 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • IIT2026015

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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