Viewing Study NCT05941156


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Study NCT ID: NCT05941156
Status: RECRUITING
Last Update Posted: 2023-07-12
First Post: 2023-05-17
Is NOT Gene Therapy: False
Has Adverse Events: False

Brief Title: Clinical Study of Anti-CD56-CAR-T in the Treatment of Relapsed/Refractory NK/T Cell Lymphoma /NK Cell Leukemia
Sponsor: The Affiliated Hospital of Xuzhou Medical University
Organization:

Study Overview

Official Title: Single-center, Open, One-arm Clinical Study of the Safety and Efficacy of Anti-CD56-CAR T Therapy in Relapsed Refractory NK/T Cell Lymphoma /NK Cell Leukemia
Status: RECRUITING
Status Verified Date: 2023-07
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: To evaluate the safety and efficacy of anti-CD56-CAR T in the treatment of relapsed refractory NK/T cell lymphoma /NK cell leukemia
Detailed Description: Extranodal NK/TCL is an aggressive disease with a poor prognosis and a 5-year survival rate of less than 50%. In the absence of effective treatment, median survival for advanced disease is only 6-12 months. A retrospective review of the International Peripheral T-Cell Lymphoma Project recently reported that the median overall survival of NK/TCL was 7.8 months, corresponding to the worst survival of all T-cell lymphoma entities. Therefore, despite good results in the combination of chemoracal-chemotherapy strategies, autologous bone marrow transplantation, and L-asparagase in the treatment of recurrent cases, NK/TCL remains difficult to cure, and the need for alternative therapeutic strategies has prompted researchers to explore new molecular targets.

Nerve cell adhesion molecule 1 (NCAM-1) -CD56 is a member of the immunoglobulin superfamily and is a biomarker of nerve cell adhesion molecule and NK cell. CD56 is highly expressed in NK/T cell lymphomas, skeletal muscle tumors, and malignancies with neurological or neuroendocrine differentiation. CD56-CAR T cells can kill CD56+ neuroblastoma, glioma, and SCLC tumor cells in vitro coculture, and CD56R-CAR+T cells can inhibit tumor growth in vivo when tested against CD56+ human neuroblastoma xenogeneic and SCLC models. CD56-CAR T cells have also been reported as a safe and effective treatment for refractory/relapsing rhabdomyosarcoma. This indicates that CD56 CAR has a wide clinical application prospect and strong potential therapeutic value as a new CAR T target.

CD56 CAR T cells constructed by our laboratory can produce more precise killing effect on tumor cells by converting the immune checkpoint PD-1 signal. The results showed that CD56 CAR T cells could be prepared effectively and kill NK/ T-cell lymphoma cell line SNK-6 in vitro. Compared with traditional second-generation CAR T cells, CD56-CAR T cells prepared in our laboratory showed better killing effect on SNK-6 cells in vitro. At present, no clinical studies on CD56 CAR T therapy for NK/T cell lymphoma have been reported. Therefore, in this study, CD56 CAR T was used to treat relapsed and refractory NK/T cell lymphoma /NK cell leukemia to observe its safety and efficacy.

Study Oversight

Has Oversight DMC: False
Is a FDA Regulated Drug?: False
Is a FDA Regulated Device?: False
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?: