Chimeric Antigen Receptor T Cell Therapies For Multiple Myeloma

There is an unmet need to develop novel therapies for refractory relapsed mm.

Chimeric antigen receptor t cell therapies for multiple myeloma.

Disease settings where clinical evaluation of car t cell therapy has been reported advanced relapse refractory disease. Therapies with novel mechanisms of action are needed for multiple myeloma mm. Chimeric antigen receptors cars are fusion. In this phase 1 study involving patients with relapsed or refractory multiple myeloma we administered bb2121 as a single infusion at doses of 50 10 6 150 10 6 450 10 6 or 800 10.

5 6 18 t cells expressing a car can specifically recognize a targeted antigen which is an advantage of car t cells over nonspecific cellular therapies such as allogeneic hematopoietic stem cell transplantation. Multiple myeloma mm is a nearly always incurable malignancy of plasma cells so new approaches to treatment are needed. In the past few years chimeric antigen receptor car modified t cell therapy for mm. Preclinical studies suggest that bb2121 a chimeric antigen receptor car t cell therapy that targets b cell maturation antigen bcma has potential for the treatment of multiple myeloma.

Chimeric antigen receptor t cell therapy for multiple myeloma. Despite promising objective response rates most patients relapse and low levels of bcma on a subset of tumor cells has been suggested as a probable escape mechanism. T cells expressing the car used in this work. Cars are artificial fusion proteins that incorporate an antigen recognition domain and t cell signaling domains.

B cell maturation antigen bcma is expressed in most cases of mm. Multiple myeloma mm is the second most common hematologic malignancy and remains incurable despite the advent of numerous new drugs such as proteasome inhibitors pis immunomodulatory agents imids and monoclonal antibodies. We conducted the first in humans clinical trial of chimeric antigen receptor car t cells targeting bcma. 5 6 18 20 cars are.

Potential and currently studied settings for the use of car chimeric antigen receptor t cell therapy in the management of multiple myeloma through the natural history of the disease. T cell therapies are a promising approach for treating mm with a mechanism of action different than those of standard mm treatments.