Efficacy and Safety of Chemotherapy Combined With CAR-T Cells in Newly Diagnosed Adult Patients With Ph- B-ALL

Recruiting now · Not applicable

Conditions studied: Philadelphia Chromosome Negative ALL, Acute Lymphoblastic Leukemia, Adult

In brief

In recent years, immunotherapy (eg. blinatumomab, inotuzumab ozogamicin, CAR-T cells) has demonstrated a high safety and efficacy profile in relapsed/refractory (R/R）B-ALL. The available data suggest that the advancement of immunotherapy from relapsed/refractory (R/R) field to the frontline setting may be an important approach to increase the depth of remission, which ultimately translates into a survival benefit. In this study, the investigators propose a treatment regimen using CAR-T cell therapy as a consolidation method for Ph- B-ALL patients achieving complete remission (CR) with chemotherapy, aiming to reduce the total cycles of chemotherapy and related toxicities, shorten length of hospitalization, and ultimately improve patients' survival and quality of life.The study endpoints include 2-year disease-free survival (DFS) rate, overall survival (OS) rate, event-free survival (EFS) rate, cumulative molecular remission rate, immune repertoire-minimal residual disease (MRD) remission rate, cumulative relapse rate, treatment-related toxicities, and quality of life. Additionally, an interim analysis will be conducted, with the 1-year DFS rate as the key index for this analysis.

Key facts

Study ID: NCT06481241
Run by: Institute of Hematology & Blood Diseases Hospital, China
People needed: 77
Starts: 2024-06-10
Expected to finish: 2028-06-01
Last updated by the study team: 2026-03-02

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

De novo and primary Ph/BCR-ABL1 negative acute lymphoblastic leukemia diagnosed by the bone marrow cytomorphology, immunophenotyping, cytogenetics and molecular biology according to WHO classification
Male or female patients aged 18 years or older
CD19 expression on blasts
Expected survival time greater than 3 months
Adequate end organ function as defined by: Total bilirubin ≤ 1.5 x upper limit of normal（ULN）; serum alanine aminotransferase (ALT) and serum aspartate aminotransferase (AST) ≤ 2.5 x ULN or ≤5 x ULN if leukemic involvement of the liver is present; Creatinine ≤ 1.5 x ULN; Serum amylase and lipase ≤ 1.5 x ULN; Alkaline phosphatase ≤ 2.5 x ULN unless considered tumor related; normal electrolytes: Potassium ≥ LLN; Magnesium ≥ LLN; Phosphorus ≥ LLN; Cardiac color Doppler ultrasound ejection fraction ≥ 45%
Subject has provided written informed consent prior to any screening procedure

You may not qualify if…

Burkitt lymphoma/leukemia
Acute Leukemia of Ambiguous Lineage
Clinical manifestations of active CNS or extramedullary involvement with ALL
Female patients who are pregnant or breast feeding
Uncontrolled active serious infections that could, in the investigator's opinion, potentially interfere with the completion of treatment
Known HIV seropositivity
Clinically significant ventricular arrhythmias, unexplained syncope (not vasovagal) or sinus block, history of chronic bradycardia with a high degree of atrioventricular (AV) conduction block (unless a permanent pacemaker is implanted)
Any serious psychiatric illness that could, in the investigator's opinion, potentially interfere with the completion of treatment
Other conditions assessed by the investigators to be inappropriate for this study

Where it is running

Institute of Hematology & Blood Diseases Hospital — Tianjin, China (enrolling)

Full record on ClinicalTrials.gov

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