Spots Global Cancer Trial Database for PSMA-specific CAR-T Cell Therapy

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Trial Identification

Brief Title: PSMA-specific CAR-T Cell Therapy

Official Title: Phase I/II Clinical Trial of 4SCAR-PSMA T Cell Therapy Targeting PSMA Positive Malignancies

Study ID: NCT04429451

Conditions

PSMA Positive Tumors or Tumor Tissues

Interventions

4SCAR-PSMA T cells

Study Description

Brief Summary: The purpose of this clinical trial is to assess the feasibility, safety and efficacy of PSMA-specific CAR-T cell therapy in patients with PSMA positive tumor. Another goal of the study is to learn more about the function of the PSMA CAR-T cells and their persistency in the patients.

Detailed Description: Prostate-specific membrane antigen (PSMA) is expressed in normal prostate and is upregulated in prostate tumor. Therefore, PSMA is a promising target for antigen-specific immunotherapy in patients with prostate cancer. However, it has been reported that PSMA expression is not restricted to prostate cancer and PSMA is often enriched in the tumor stromal environment. By immunostaining, we found that PSMA is expressed in a variety of solid tumors, including brain tumor, neuroblastoma and some lymphoma tumor tissues. This study aims to use T cells obtained directly from the patient, which can be genetically modified to express PSMA-specific chimeric antigen receptor (CAR). The CAR molecules enable the T cells to recognize and kill tumor cells or tumor stromal tissues through the recognition of a surface antigen, PSMA. This study will evaluate the side effects and the best dose of anti-PSMA CAR-T cells to target PSMA positive tumors and tumor microenvironment.