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Axicabtagene ciloleucel, sold under the brand name Yescarta, is a
medication A medication (also called medicament, medicine, pharmaceutical drug, medicinal drug or simply drug) is a drug used to diagnose, cure, treat, or prevent disease. Drug therapy ( pharmacotherapy) is an important part of the medical field an ...
used for the treatment for large B-cell lymphoma that has failed conventional treatment.
T cells A T cell is a type of lymphocyte. T cells are one of the important white blood cells of the immune system and play a central role in the adaptive immune response. T cells can be distinguished from other lymphocytes by the presence of a T-cell ...
are removed from a person with lymphoma and genetically engineered to produce a specific
T-cell receptor The T-cell receptor (TCR) is a protein complex found on the surface of T cells, or T lymphocytes, that is responsible for recognizing fragments of antigen as peptides bound to major histocompatibility complex (MHC) molecules. The bindin ...
. The resulting chimeric antigen receptor T cells (CAR-Ts) that react to the cancer are then given back to the person to populate the bone marrow. Axicabtagene treatment carries a risk for cytokine release syndrome (CRS) and neurological toxicities. Due to
CD19 B-lymphocyte antigen CD19, also known as CD19 molecule ( Cluster of Differentiation 19), B-Lymphocyte Surface Antigen B4, T-Cell Surface Antigen Leu-12 and CVID3 is a transmembrane protein that in humans is encoded by the gene ''CD19''. In humans, ...
being a pan-B cell marker, the T-cells that are engineered to target
CD19 B-lymphocyte antigen CD19, also known as CD19 molecule ( Cluster of Differentiation 19), B-Lymphocyte Surface Antigen B4, T-Cell Surface Antigen Leu-12 and CVID3 is a transmembrane protein that in humans is encoded by the gene ''CD19''. In humans, ...
receptors on the cancerous B cells also influence normal B cells, except some plasma cells.


Side effects

Because treatment with axicabtagene carries a risk of cytokine release syndrome and neurological toxicities, the FDA has mandated that hospitals be certified for its use prior to treatment of any patients.


History

It was developed by California-based Kite Pharma. Axicabtagene ciloleucel was awarded U.S.
Food and Drug Administration The United States Food and Drug Administration (FDA or US FDA) is a federal agency of the Department of Health and Human Services. The FDA is responsible for protecting and promoting public health through the control and supervision of food ...
(FDA)
breakthrough therapy Breakthrough therapy is a United States Food and Drug Administration designation that expedites drug development that was created by Congress under Section 902 of the 9 July 2012 Food and Drug Administration Safety and Innovation Act. The FDA's " ...
designation on 18 October 2017, for diffuse large B-cell lymphoma, transformed follicular lymphoma, and primary mediastinal B-cell lymphoma. It also received
priority review Priority review is a program of the United States Food and Drug Administration (FDA) to expedite the review process for drugs that are expected to have a particularly great impact on the treatment of a disease. The priority review voucher program ...
and orphan drug designation. Based on the ZUMA-1 trial, Kite submitted a
biologics license application A biologics license application (BLA) is defined by the U.S. Food and Drug Administration The United States Food and Drug Administration (FDA or US FDA) is a federal agency of the Department of Health and Human Services. The FDA is respo ...
for axicabtagene in March 2017, for the treatment of non-Hodgkin lymphoma. The FDA granted approval on 18 October 2017, for the second-line treatment of diffuse large B-cell lymphoma.''F.D.A. Approves Second Gene-Altering Treatment for Cancer'' 2017
/ref> On 1 April 2022, the FDA approved axicabtagene ciloleucel for adults with large B-cell lymphoma (LBCL) that is refractory to first-line chemoimmunotherapy or relapses within twelve months of first-line chemoimmunotherapy. It is not indicated for the treatment of patients with primary central nervous system lymphoma. Approval was based on ZUMA-7, a randomized, open-label, multicenter trial in adults with primary refractory LBCL or relapse within twelve months following completion of first-line therapy. Participants had not yet received treatment for relapsed or refractory lymphoma and were potential candidates for autologous hematopoietic stem cell transplantation (HSCT). A total of 359 participants were randomized 1:1 to receive a single infusion of axicabtagene ciloleucel following fludarabine and cyclophosphamide lymphodepleting chemotherapy or to receive second-line standard therapy, consisting of two or three cycles of chemoimmunotherapy followed by high-dose therapy and autologous HSCT in participants who attained complete remission or partial remission.


References


External links

* * * {{DEFAULTSORT:Axicabtagene Ciloleucel Breakthrough therapy Cancer treatments Gene therapy Gilead Sciences Orphan drugs Antineoplastic drugs