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RECRUITING
NCT06447987
PHASE1

Humanized CD19-Specific CAR T Cells for the Treatment of Patients With Positive Relapsed or Refractory CD19 Positive B-Cell Acute Lymphoblastic Leukemia

Sponsor: City of Hope Medical Center

View on ClinicalTrials.gov

Summary

This phase Ib trial tests the safety, side effects, and effectiveness of humanized (hu)CD19-chimeric antigen receptor (CAR) T cell therapy in treating patients with CD19 positive B-cell acute lymphoblastic leukemia (ALL) that has come back after a period of improvement (relapsed) or that has not responded to previous treatment (refractory). CAR T-cell therapy is a treatment in which a patient's T cells (a type of immune system cell) are changed in the laboratory so they will attack cancer cells. T cells are taken from a patient's blood. Then the gene for a special receptor that binds to a certain protein, such as CD19, on the patient's cancer cells is added to the T cells in the laboratory. The special receptor is called a chimeric antigen receptor (CAR). Large numbers of the huCD19 positive CAR T cells are grown in the laboratory and given to the patient by infusion for treatment of certain cancers. Chemotherapy drugs, such as fludarabine and cyclophosphamide, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. huCD19-CAR T cell therapy may be safe, tolerable and effective in treating patients with relapsed or refractory CD19 positive ALL.

Official title: Phase Ib Study to Evaluate Humanized CD19-Specific CAR T Cells Following Lymphodepleting Chemotherapy in Adult Patients With Relapsed/Refractory CD19+ B-Cell Acute Lymphoblastic Leukemia

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

24

Start Date

2024-11-06

Completion Date

2026-12-05

Last Updated

2025-12-17

Healthy Volunteers

No

Interventions

PROCEDURE

Allogeneic Hematopoietic Stem Cell Transplantation

Undergo alloHCT

PROCEDURE

Biospecimen Collection

Undergo blood sample collection

PROCEDURE

Bone Marrow Aspiration

Undergo bone marrow biopsy and aspiration

PROCEDURE

Bone Marrow Biopsy

Undergo bone marrow biopsy and aspiration

BIOLOGICAL

CD19CAR-CD28-CD3zeta-EGFRt-expressing Tn/mem-enriched T-lymphocytes

Given IV

BIOLOGICAL

Cetuximab

Given IV

PROCEDURE

Computed Tomography

Undergo CT and PET

DRUG

Cyclophosphamide

Given IV

PROCEDURE

Echocardiography

Undergo ECHO

DRUG

Fludarabine

Given IV

PROCEDURE

Leukapheresis

Undergo leukapheresis

PROCEDURE

Magnetic Resonance Imaging

Undergo MRI

PROCEDURE

Multigated Acquisition Scan

Undergo MUGA

PROCEDURE

Positron Emission Tomography

Undergo PET/CT

Locations (1)

City of Hope Medical Center

Duarte, California, United States