Status:

RECRUITING

JY231 (JY231) Injection for the Treatment of B-cell Acute Lymphoblastic Leukemia (B-ALL)

Lead Sponsor:

920th Hospital of Joint Logistics Support Force of People's Liberation Army of China

Conditions:

B-cell Acute Lymphoblastic Leukemia (B-ALL)

Eligibility:

All Genders

Up to 75 years

Phase:

EARLY_PHASE1

Brief Summary

Early exploratory clinical study of the safety, tolerability and initial efficacy of JY231 injection in the treatment of B-cell acute lymphoblastic leukemia (B-ALL)

Eligibility Criteria

Inclusion

  • up to 75 years (Child, Adult) , either sex;
  • Bone marrow cell morphology examination showed the proportion of primitive and immature lymphocytes in the bone marrow is \>5%, or the bone marrow MRD analysis comfirmed as B-ALL.
  • Flow cytometry or histology confirmed positive expression of cluster of differentiation 19 (CD19);
  • According to the researcher's assessment, the expected survival period is greater than 3 months;
  • Eastern Cooperative Oncology Group (ECOG) physical condition score ≤ 3;
  • The patient has good liver, kidney, heart, and lung functions: alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 2.5 × upper limit of normal(ULN), which can be relaxed to ≤ 5 × ULN for patients with liver invasion; Total serum bilirubin \< 34 μ Mol/L; Creatinine clearance rate\>30 mL/min; Cardiac ejection fraction (EF) ≥ 40%, without pericardial effusion and significant arrhythmia; Indoor oxygen saturation (SpO2) ≥ 92%;
  • Peripheral blood lymphocyte absolute count: absolute lymphocyte count (ALC) ≥ 0.5E9/L, blood platelet (PLT) \> 30E9/L, Hb \> 80g/L, with a single venous access and no other contraindications for blood cell separation;
  • MRI examination showed no active malignant cells in the cerebrospinal fluid, no brain metastases, or no central nervous system leukemia;
  • Individuals with fertility must agree to the use of efficient contraceptive methods;
  • The subject or their legal guardian can understand and voluntarily sign a written informed consent form.

Exclusion

  • Pregnant or lactating women, as well as women with pregnancy plans within six months;
  • Virological tests of hepatitis B, hepatitis C, AIDS, syphilis and cytomegalovirus were positive;
  • Having a history of other tumors (excluding skin or cervical carcinoma in situ cured by root therapy and without evidence of disease activity);
  • Previously received treatment targeting CD19;
  • Received autologous hematopoietic stem cell transplantation within 6 weeks;
  • The presence of uncontrollable active bacterial or fungal infections;
  • Allergies to research related drugs or cellular components;
  • Active autoimmune diseases exist;
  • Patients with unstable or active ulcers or gastrointestinal bleeding currently present;
  • Individuals with mental or psychological disorders who cannot cooperate with treatment and efficacy evaluation;
  • Received other experimental drug treatments within the past 3 months;
  • Existence of grade II-IV acute graft versus-host disease (GVHD) or widespread chronic GVHD;
  • Researchers believe that other reasons are not suitable for clinical trial participants.

Key Trial Info

Start Date :

June 20 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 30 2026

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT06514768

Start Date

June 20 2024

End Date

June 30 2026

Last Update

January 6 2026

Active Locations (1)

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Page 1 of 1 (1 locations)

1

920th HJointLogistics

Kunming, Yunnan, China