Toward an Optimized Process for Clinical Manufacturing of CAR-Treg Cell Therapy

Chimeric antigen receptor (CAR) technology and its application to regulatory T cells (Tregs) has garnered interest among researchers in the field of cell and gene therapy. Merging the benefits of CAR technology with Tregs offers a novel and promising therapeutic option for durable reshaping of undes...

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Veröffentlicht in:Trends in biotechnology (Regular ed.) 2020-10, Vol.38 (10), p.1099-1112
Hauptverfasser: Fritsche, Enrico, Volk, Hans-Dieter, Reinke, Petra, Abou-El-Enein, Mohamed
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container_issue 10
container_start_page 1099
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creator Fritsche, Enrico
Volk, Hans-Dieter
Reinke, Petra
Abou-El-Enein, Mohamed
description Chimeric antigen receptor (CAR) technology and its application to regulatory T cells (Tregs) has garnered interest among researchers in the field of cell and gene therapy. Merging the benefits of CAR technology with Tregs offers a novel and promising therapeutic option for durable reshaping of undesired immune responses following solid organ or hematopoietic stem cell transplantation, as well as in immune-related disorders. However, major challenges remain for developing a standardized and robust good manufacturing practice (GMP)-compliant manufacturing process for CAR-Treg cells. We review current progress in the field and recommend ways to improve CAR-Treg manufacturing processes based on lessons learned from first-generation Treg therapeutics as well as from anticancer CAR-T cell development. Advances in the field of cell therapy have led to promising novel approaches to treat malignancies and other debilitating diseases. Redirecting the target antigen specificity of CAR-Treg cells represents one such promising approach.The clinical success of anticancer CAR-T cells will, in all likelihood, accelerate the clinical translation of CAR-Treg therapeutics aimed at reshaping undesired immune responses following solid organ or hematopoietic stem cell transplantation as well as in immune-related disorders.Current manufacturing processes for CAR-Tregs demonstrate challenges in cell purification, yield, expansion, CAR selection and gene delivery, supply chain, and quality control/product release testing.We propose a GMP-compatible manufacturing framework to enhance the CAR-Treg production process for clinical application.
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Redirecting the target antigen specificity of CAR-Treg cells represents one such promising approach.The clinical success of anticancer CAR-T cells will, in all likelihood, accelerate the clinical translation of CAR-Treg therapeutics aimed at reshaping undesired immune responses following solid organ or hematopoietic stem cell transplantation as well as in immune-related disorders.Current manufacturing processes for CAR-Tregs demonstrate challenges in cell purification, yield, expansion, CAR selection and gene delivery, supply chain, and quality control/product release testing.We propose a GMP-compatible manufacturing framework to enhance the CAR-Treg production process for clinical application.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>31982150</pmid><doi>10.1016/j.tibtech.2019.12.009</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record>
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subjects Antigens
automation
CAR-T
CAR-Tregs
Cell therapy
Chimeric antigen receptors
Chronic illnesses
clinical development
closed systems
Disease
gene editing
Gene therapy
GMP manufacturing
Good Manufacturing Practice
hematopoietic stem cell transplantation
Hematopoietic stem cells
Immunoregulation
immunosuppression
Lymphocytes
Lymphocytes T
Manufacturing
Manufacturing industry
regulatory T cells
solid organ transplantation
Stem cell transplantation
Stem cells
T cell receptors
Thymus gland
tolerance induction
Transplantation
Transplants & implants
title Toward an Optimized Process for Clinical Manufacturing of CAR-Treg Cell Therapy
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