Status:

RECRUITING

Prospective, Single-arm, Multicenter Clinical Study on Haploidentical Hematopoietic Stem Cell Transplantation in Patients With MRD Positive CD19+ALL Treated With Conditioning Regimens Containing Blinatumomab

Lead Sponsor:

Zhejiang University

Conditions:

Acute Lymphoblastic Leukemia

Eligibility:

All Genders

18-70 years

Phase:

PHASE1

Brief Summary

A study on the effectiveness and safety of haploidentical hematopoietic stem cell transplantation in patients with MRD positive CD19+ ALL treated with conditioning regimens containing Blinatumomab

Detailed Description

This is a prospective multicenter clinical study. This study is applicable to CD19+ ALL patients undergoing allogeneic hematopoietic stem cell transplantation. The purpose is to evaluate the effective...

Eligibility Criteria

Inclusion

  • Diagnosed as acute B-ALL with CD19+ according to the 2022 WHO classification criteria. After induction and intensified chemotherapy, complete hematological remission was achieved, but MRD was positive by flow cytometry;
  • Age range from 18 to 70 years old, regardless of gender;
  • The Eastern Oncology Collaborative Group (ECOG) physical fitness score is 0-2 points;
  • Female patients of childbearing age who had a negative pregnancy test before the trial and agreed to take effective contraceptive measures during the trial until their last visit;
  • Organ function is normal, and the following laboratory indicators are met within one week of enrollment: creatinine clearance rate ≥ 60 mL/min (according to the Cockcroft Fault formula); AST and ALT ≤ 3 × Upper limit of normal value range (ULN), total bilirubin ≤ 2 × ULN; Echocardiography (ECHO) shows left ventricular ejection fraction (LVEF) ≥ 50%;
  • Life expectancy greater than 8 weeks;
  • Voluntarily sign an informed consent form to understand and comply with the requirements of the study.

Exclusion

  • Failure to achieve complete hematological remission, including residual extramedullary infiltration;
  • Previously received hematopoietic stem cell transplantation;
  • Received systemic chemotherapy within 2 weeks;
  • Previously received treatment with Blinatumomab;
  • Have a history of central nervous system leukemia or present with central nervous system leukemia;
  • Active autoimmune diseases, such as SLE, rheumatoid arthritis, etc;
  • Currently suffering from clinically significant active cardiovascular diseases, such as uncontrolled arrhythmia, uncontrolled hypertension, congestive heart failure, any grade 3 or 4 heart disease determined according to the New York Heart Association (NYHA) functional classification (see Appendix 1), or having a history of myocardial infarction within 6 months prior to screening;
  • Chronic obstructive pulmonary disease with whole lung dysfunction;
  • Other serious diseases that may restrict patients from participating in this test (such as advanced infection, uncontrollable diabetes);
  • Concomitant arteriovenous thrombosis or hypercoagulable state;
  • Known human immunodeficiency virus (HIV) infection, or chronic infection of hepatitis B virus (HBsAg positive) or hepatitis C virus (anti-HCV positive) beyond drug control;
  • Pregnant or lactating women;
  • Severe allergies to other monoclonal antibodies in the past;
  • Those who are unable to understand, comply with the research protocol or sign an informed consent form.

Key Trial Info

Start Date :

November 16 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

February 1 2026

Estimated Enrollment :

31 Patients enrolled

Trial Details

Trial ID

NCT06125106

Start Date

November 16 2023

End Date

February 1 2026

Last Update

November 9 2023

Active Locations (1)

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Page 1 of 1 (1 locations)

1

The first affiliated hospital of medical college of zhejiang university

Hangzhou, Zhejiang, China, 310000