Chicago, IL—The second-generation chimeric antigen receptor (CAR) T-cell therapy bb2121, engineered to target B-cell maturation antigen (BCMA), a protein on the surface of certain myeloma cells, displayed continuing efficacy and safety in an update of a phase 1 clinical trial in patients with relapsed or refractory multiple myeloma, according to data presented at ASCO 2018. Currently, no CAR T-cell therapy has been approved for patients with multiple myeloma.
“We find that T-cells with highly activated glycolysis pathways ended up performing worse when we tried to make them into CAR T-Cells. Substituting and supplementing heavily with fatty acids did seem to improve this a little,” said David M. Barrett, MD, PhD, at the 2018 American Association for Cancer Research annual meeting.
“The main rationale from the cytotoxic era is to increase efficacy by combining agents that have different mechanisms and nonoverlapping toxicities. The question is whether we can replace nonspecific cytotoxic agents with a specific, more effective immunotherapeutic,” said Donna Przepiorka, MD, PhD, at ASH 2017.
As the number of patients receiving immune checkpoint blockade grows, the combination of radiation and immunotherapy has become increasingly relevant, particularly in the palliative care setting, where radiation therapy is used to treat painful lesions or brain metastases.
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