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Hypomethylating Agent and Venetoclax After Allo-HSCT in Patients With High-risk Myeloid Malignancies.

Phase 2
Recruiting
Conditions
Venetoclax
Myeloid Malignancy
Hypomethylating Agent
Interventions
Registration Number
NCT05841771
Lead Sponsor
Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
Brief Summary

The main objective of the study is to evaluate the efficacy and safety of maintenance therapy with hypomethylating agent and Venetoclax to improve leukemia free survival for high-risk myeloid malignancies after allogeneic hematopoietic stem cell transplantation .

Detailed Description

This is a prospective single-arm study. Patients with high-risk AML or MDS aged between 18-70 years old will enroll in the study. They will be given hypomethylating agents (azacytidine 32mg/m2 or decitabine 5mg/m2) for 5 days and venetoclax 400mg/d for 7 days after allogeneic hematopoietic stem cell transplantation. The maintenance therapy will start from 60th days posttransplant, repeated every 28 days until up to 1-year posttransplant. The 1-year leukemia-free survival rate,1-year cumulative recurrence rate, and 1-year overall survival will be analyzed.

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
78
Inclusion Criteria
  • Patients with AML or MDS and have received allogeneic hematopoietic cell transplantation;

  • Patients with AML must have one of the following high-risk factors: Cytogenetics and molecular features consistent with adverse risk group by European LeukemiaNet classification for AML; require more than 2 courses of induction chemotherapy to reach complete remission; Extramedullary myeloid malignancy;≥CR2; Presence of measurable residual disease at the time of HSCT. *

  • Patients with MDS must have one of the following high-risk factors: IPSS-R scores are high-risk or very high-risk; Presence of TP53 mutation; Presence of measurable residual disease at the time of HSCT. *

  • CBC: ANC ≥ 1.0 × 10e9/L, Hb ≥ 80g/L, and PLT ≥ 50 × 10e9/L;

  • Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2.

    • Presence of measurable residual disease at the time of HSCT is defined as the following: Blast percentage in bone marrow detected by flow cytometry ≥0.01%; Presence of fusion gene or mutated gene by qPCR.
Exclusion Criteria
  • Concurrent use of targeted drugs ;
  • Resistant to Venetoclax before transplantation;
  • Allergic to decitabine , Azacitidine or venetoclax;
  • Active grade II or higher acute GVHD ;
  • Active moderate or severe chronic GVHD ;
  • Diseases recurrence (abnormal myeloid cells detected by flow cytometry >0.01%, presence of WT1 or other genes, or extramedullary malignancy ), percentage of donor cells in bone marrow <90% or graft rejection:
  • CBC: ANC < 1.0 × 10e9/L, or PLT < 50 × 10e9/L;
  • Severe organ dysfunction: Elevated Aspartate transaminase (AST) /alanine transaminase (ALT), or direct bilirubin >3 times upper limit of normal; Creatinine clearance (Ccr)<50mL/min or serum creatinine >1.5 times upper limit of normal, whether hemodialysis treatment is performed;
  • Active uncontrolled systemic fungal, bacterial, or viral infection
  • Pregnant or lactating women;
  • Other severe complications and not suitable judged by researchers.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
AZA-VEN maintenanceAzacitidine or decitabinehypomethylating agents (azacytidine 32mg/m2 or decitabine 5mg/m2) for 5 days and venetoclax 400mg/d for 7 days, repeated every 28 days until up to 1-year posttransplant.
AZA-VEN maintenanceVenetoclaxhypomethylating agents (azacytidine 32mg/m2 or decitabine 5mg/m2) for 5 days and venetoclax 400mg/d for 7 days, repeated every 28 days until up to 1-year posttransplant.
Primary Outcome Measures
NameTimeMethod
Leukemia-free survival (LFS) timeFrom the date of transplantation, assessed up to 1 year after transplantation.

Summary statistics for LFS time will be computed for all patients.

Secondary Outcome Measures
NameTimeMethod
Cumulative incidence of relapseFrom the date of transplantation, assessed up to 1 year after transplantation.

Use the method of Gooley et al to estimate the cumulative incidence of relapse.

Overall survivalFrom the date of transplantation, assessed up to 1 year after transplantation.

The method of Kaplan and Meier will be used to estimate the distribution of overall survival. Cox proportional hazards regression analysis will be used to model the association between overall survival and covariates of interest.

Incidence of toxicity of the regimenFrom the date of transplantation, assessed up to 1 year after transplantation.

Descriptive statistics will be used to summarize adverse events.

Trial Locations

Locations (1)

Shanghai Jiao Tong University School of Medicine Affilated Shanghai General Hospital

🇨🇳

Shanghai, Shanghai, China

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