Autologous Bedside CD19 CAR T-cell Therapy for B-ALL

NCT07277504 | Not Yet Recruiting Early Phase 1 DMC

• 1 other identifier: YI_CAR-T_B-ALL_01
• Study Type: interventional
• Target: 50
• Locations: 1 country
• Sites: 1

Brief Summary

The purpose of this clinical trial is to learn if autologous bedside CD19-directed chimeric antigen receptor T-cell (CAR-T) therapy works to treat B-cell acute lymphoblastic leukemia (B-ALL) in adults. It will also learn about the safety and efficacy of the autologous bedside CD19 CAR-T cell product. The main questions it aims to answer are:

1. 1.What adverse events occur and the incidence rate of dose-limiting toxicities (DLTs) within 28 days and CAR-T-related adverse events (AEs) after the autologous CD19 CAR-T cell infusion for B-ALL?
2. 2.Which dose level is the optimal biological dose (OBD)?
3. 3.What is the rate of minimal residual disease (MRD) negativity, complete remission (CR) or complete remission with incomplete hematologic recovery (CRi), duration of response (DOR), and overall survival (OS)?
4. 4.Receive autologous bedside CD19 CAR T-cell therapy on Day 0.
5. 5.Be hospitalized for at least 7 days post-infusion for close safety monitoring and remain within 2 hours of the treatment facility for at least 28 days.
6. 6.Visit the clinic at Day 7, Day 14, Day 28, then monthly for up to 12 months after CAR-T cells infusion, with continued long-term follow-up for safety and persistence.

Conditions

B-Cell Acute Lymphoblastic Leukemia, Adult

Keywords

CAR-T; CAR T-cell therapy; B-ALL

Outcome Measures

Primary Outcomes (2)

• the incidence rate of CAR-T-related adverse events

  Incidence of adverse events(AEs) after infusion, The number, frequency, severity, and laboratory findings of all treatment-related adverse events/serious adverse events are included. Description, time, classification, and outcome of AE events resulted from the investigational medical product, delivery method, or emergency measures will be recorded in the case report form.

  Up to 28 days after injection

• The incidence rate of Dose limited toxicity (DLTs)

  Dose limited toxicity(DLT) was defined as the occurrence of any of the following adverse events within 28 days of the infusion of CAR-T cells after optimal supportive treatment, which were discussed with the investigator and determined to be associated or likely to be associated with the infusion. Any DTLs within 28 days after CAR-T infusion will be recorded in time, including severity, occurrence time, duration, treatment methods and prognosis.

  Up to 28 days after infusion

Secondary Outcomes (4)

• the rate of minimal residual disease (MRD) negativity

  up to 1 year after CAR-T cells infusion

• overall response rate (ORR)

  up to 1 year after CAR-T cells infusiion

• Duration of Response (DOR)

  up to 1 year after CAR-T cells infusion

• overall survival (OS)

  up to 1 year after CAR-T infusion

Other Outcomes (1)

• Area Under the Plasma Concentration Versus Time Curve (AUC) 0-90 days of CAR-T cells

  up to 90 days after CAR-T cells infusion

Study Arms (1)

CAR T-cell treatment

EXPERIMENTAL

Drug: CD19 CAR T cells

Interventions

CD19 CAR T cells DRUG

intravenous injection of CD19 CAR-T cells

CAR T-cell treatment

Eligibility Criteria

• Age: 18 Years - 70 Years
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Age 18 to 70 years inclusive at the time of signing informed consent.
• Documented diagnosis of B-cell acute lymphoblastic leukemia (B-ALL) according to the National Comprehensive Cancer Network (NCCN) Clinical Practice Guidelines in Oncology for Acute Lymphoblastic Leukemia (2018, Version 1) or World Health Organization (WHO) classification criteria.
• CD19 expression confirmed by flow cytometry, immunohistochemistry, or pathology on bone marrow, peripheral blood, or tissue specimens. For patients for whom current sampling is not clinically feasible, results from testing performed within 60 days prior to informed consent may be acceptable, as determined by the investigator.
• Life expectancy ≥12 weeks in the opinion of the investigator.
• Eastern Cooperative Oncology Group (ECOG) performance status score of 0, 1, or 2.
• Adequate organ function as demonstrated by the most recent assessment during the screening period, defined as:
• Creatinine clearance ≥60 mL/min (calculated using the Cockcroft-Gault formula)
• Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤3 × upper limit of normal (ULN)
• Total bilirubin ≤1.5 × ULN (for patients with documented Gilbert's syndrome, total bilirubin ≤2.5 × ULN is acceptable)
• For women of childbearing potential (WOCBP), a negative serum pregnancy test must be documented within 7 days prior to enrollment. WOCBP and male patients with partners who are WOCBP must agree to use highly effective contraceptive methods from the screening period through 12 months after CAR-T cell infusion. Women are considered not of childbearing potential if they are postmenopausal for at least 1 year or have documented evidence of surgical sterilization or congenital infertility. Women who are pregnant or breastfeeding are excluded from this study.
• Ability to understand and willingness to provide written informed consent prior to initiation of any study-specific procedures.
• Willingness and ability to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures, including long-term follow-up for up to 15 years.

You may not qualify if:

• Patients meeting any of the following criteria are not eligible for enrollment:
• Active central nervous system (CNS) involvement by B-ALL, defined as CNS-2 or CNS-3 status according to standard criteria.
• History of another malignancy within 2 years prior to screening, except for adequately treated basal cell or squamous cell carcinoma of the skin, or carcinoma in situ of the cervix.
• Patients who previously received CAR-T cell therapy and experienced Grade ≥4 cytokine release syndrome (CRS) or neurotoxicity are specifically excluded.
• Treatment with any investigational or approved anti-B-ALL therapeutic agent within 5 half-lives prior to enrollment (excluding supportive care medications).
• Radioimmunotherapy or radiotherapy within 8 weeks prior to enrollment.
• Receipt of live attenuated vaccine within 4 weeks prior to screening.
• Current or anticipated use of systemic corticosteroids at high dose (defined as a total cumulative dose equivalent to ≥60 mg dexamethasone or equivalent corticosteroid) within 4 weeks prior to lymphodepletion chemotherapy. Physiologic replacement doses, topical, inhaled, nasal, and ophthalmic corticosteroids are permitted.
• Active acute or chronic graft-versus-host disease (GVHD) requiring systemic treatment within 4 weeks prior to CAR-T cell infusion.
• Major surgical procedure within 3 months prior to screening.
• Active CNS disorder or history of irreversible severe CNS toxicity from prior B-ALL therapy resulting in organic brain lesions or CNS dysfunction, including but not limited to seizure disorder, cerebrovascular accident, severe brain injuries, dementia, Parkinson's disease, cerebellar disease, organic brain syndrome, or psychosis.
• History of hypertensive crisis or hypertensive encephalopathy within 3 months prior to screening.
• Any uncontrolled cardiovascular disease within 6 months prior to enrollment, or any of the following:
• Ventricular or atrial arrhythmia ≥Grade 2
• Bradycardia ≥Grade 2

Sponsors & Collaborators

• Chengdu Ucello Biotechnology Co., Ltd.: collaborator
• The General Hospital of Western Theater Command: lead

Study Sites (1)

The General Hospital of Western Theater Command

Chengdu, Sichuan, China

Location

MeSH Terms

Conditions

Burkitt Lymphoma

Condition Hierarchy (Ancestors)

Epstein-Barr Virus Infections; Herpesviridae Infections; DNA Virus Infections; Virus Diseases; Infections; Tumor Virus Infections; Lymphoma, B-Cell; Lymphoma, Non-Hodgkin; Lymphoma; Neoplasms by Histologic Type; Neoplasms; Lymphoproliferative Disorders; Lymphatic Diseases; Hemic and Lymphatic Diseases; Immunoproliferative Disorders; Immune System Diseases

Study Officials

• Hai Yi, M.D. & Ph.D.

  The General Hospital of Western Theater Command

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Hai Yi, M.D. & Ph.D.

CONTACT

+8613699418229; yihaimail@163.com

Xiao Wang, M.D. & Ph.D.

CONTACT

xxwx@foxmail.com

Study Design

• Study Type: interventional
• Phase: early phase 1
• Allocation: NA
• Masking: NONE
• Purpose: TREATMENT
• Intervention Model: SINGLE GROUP
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Head of department of hematology

Study Record Dates

• First Submitted: November 20, 2025
• First Posted: December 11, 2025
• Study Start: December 1, 2025
• Primary Completion (Estimated): December 31, 2030
• Study Completion (Estimated): December 31, 2031
• Last Updated: December 11, 2025

Record last verified: 2025-11

Data Sharing

• IPD Sharing: Will share

Locations

CN (1)