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Spots Global Cancer Trial Database for Combination CAR-T Cell Therapy Targeting Hematological Malignancies

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Trial Identification

Brief Title: Combination CAR-T Cell Therapy Targeting Hematological Malignancies

Official Title: Combination CAR-T Therapy of 4SCAR19 Plus 4SCAR20, 22, 38, 70 and 123 Targeting Hematological Malignancies

Study ID: NCT03125577

Study Description

Brief Summary: The study will evaluate safety and efficacy of a combination of 4th generation chimeric antigen receptor gene-modified T cells targeting CD19 (4SCAR19) and CD20 (4SCAR20), CD22 (4SCAR22), CD30 (4SCAR30), CD38 (4SCAR38), CD70 (4SCAR70) or CD123 (4SCAR123) for patients with B cell malignancies. Clinical response and development of a standardized lentiviral vector and cell production protocol will be investigated. This is a phase I/II trial enrolling patients from multiple clinical centers.

Detailed Description: Background: T cells modified with lentiviral chimeric antigen receptor (CAR) gene have been studied in different clinical settings. Recent successes suggest that increased costimulatory signaling in the CAR design is critical for long term efficacy. Several clinical reports indicate that many patients still relapse and developed CD19-negative cancer cells after CD19 targeted therapy. Thus, to prevent the target escapes and improve the therapeutic effects, CAR gene-modified T cells targeting CD20, CD22, CD30, CD38, CD70 or CD123 are considered to apply together with CD19 CAR-T cells. Activation of T cell response to high tumor burden may induce a severe response. To increase safety, a novel design using an inducible caspase 9 fusion gene has been incorporated in the CAR gene. A 4th generation CAR lentiviral vector (4SCAR) carrying multiple costimulatory signals for CD28/CD137/CD27 plus an inducible apoptotic caspase 9 gene has been established. This study aims to evaluate the activities of a combination of CAR gene-modified T cells to target cancer cells based on specific CD19/CD20/CD22/CD30/CD38/CD70/CD123 single chain antibody gene designs (4SCAR19/20/22/30/38/70/123). Objective: To evaluate safety and efficacy of administrating 4SCAR19, 4SCAR20, 4SCAR22, 4SCAR30, 4SCAR38, 4SCAR70 and 4SCAR123 T cells to patients with mixed CD19 positive and negative B cell malignancies following a cyclophosphamide/fludarabine based conditioning regimen. Eligibility: Patients older than 6-month-old with CD19 positive or negative B cell malignancies that have recurred after or refractory to standard therapy and is deemed incurable using standard treatment. Design: Participants will be screened based on cancer cell phenotype analyzed using flow cytometry or immunohistochemical staining methods. Peripheral blood mononuclear cells (PBMC) will be obtained through apheresis. On Day -5 to -7, T cells from PBMC will be activated and enriched, which will be followed by 4SCAR19, 4SCAR20, 4SCAR22, 4SCAR30, 4SCAR38, 4SCAR70 and 4SCAR123 lentiviral transduction. The total cell preparation time is approximately 5-7 days. Participants will receive a preparative conditioning regimen comprising cyclophosphamide/fludarabine to prepare their immune system to accommodate the modified CAR T cells. The preparative regimen will depend on the immune condition of patients, which is consistent with standard chemotherapy conditioning regimen. Participants will receive an infusion of the modified 4SCAR19 and 4SCAR20/22/30/38/70/123 T cells and closely followed up for treatment-related responses. Participants will be continuously monitored for CAR T cells and clinical responses in a preset timeline.

Eligibility

Minimum Age: 6 Months

Eligible Ages: CHILD, ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China

Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China

Shenzhen Geno-immune Medical Institute, Shenzhen, Guangdong, China

Yunnan Cancer Hospital & The Third Affiliated Hospital of Kunming Medical University & Yunnan Cancer Center, Kunming, Yunnan, China

Contact Details

Name: Lung-Ji Chang, PhD

Affiliation: Shenzhen Geno-Immune Medical Institute

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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