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Overview
Aucatzyl approved by the U.S. Food and Drug Administration (FDA) for the treatment of adults with relapsed or refractory B-cell precursor acute lymphoblastic leukemia (ALL). To be eligible, a person must have failed prior therapies for their leukemia. Aucatzyl is also known by its drug name, obecabtagene autoleucel.

Aucatzyl is a CD19-directed chimeric antigen receptor T-cell (CAR-T cell) therapy, a type of genetically modified autologous T-cell immunotherapy. This treatment involves collecting and modifying the recipient’s own T cells to target and kill leukemia cells that express the CD19 protein. By enhancing the immune system’s ability to recognize and destroy cancer cells, Aucatzyl provides a highly targeted approach to managing ALL.

How do I take it?
Prescribing information states that Aucatzyl is administered as an intravenous (IV) infusion. Before the infusion, a person receives a combination of chemotherapy drugs, fludarabine and cyclophosphamide, to lower the number of existing immune cells in their body. This step helps prepare the immune system to accept and respond better to the modified T cells used in the treatment.

The treatment consists of two doses, given on day 1 and around day 10. Dosing is individualized based on bone marrow blast assessment. A recipient is premedicated with acetaminophen (e.g., Tylenol), and health care providers ensure the availability of tocilizumab (an anti-inflammatory medication) in case of adverse reactions. Aucatzyl should be administered exactly as prescribed by a healthcare provider.

Side effects
Common side effects of Aucatzyl include cytokine release syndrome (CRS, a systemic inflammatory response caused by the activation of immune cells), infections, musculoskeletal pain, viral infections, fever, nausea, bacterial infections, diarrhea, febrile neutropenia (low white blood cell count with fever), immune effector cell-associated neurotoxicity syndrome (ICANS, a condition involving confusion, seizures, or other neurological symptoms), hypotension (low blood pressure), pain, fatigue, headache, encephalopathy (brain dysfunction), and hemorrhage.

Rare but serious side effects may include prolonged cytopenias (low blood cell levels), severe infections, hypogammaglobulinemia (reduced antibody levels, potentially leading to increased risk of infections), hemophagocytic lymphohistiocytosis/macrophage activation syndrome (severe immune overactivation), hypersensitivity reactions, and secondary malignancies, such as T cell-related cancers. People are advised to refrain from driving or engaging in hazardous activities, such as operating heavy or dangerous machinery, for at least eight weeks after receiving Aucatzyl, due to the potential for delayed side effects such as neurological or physical impairments.

For more information about this treatment, visit:

Aucatzyl — Drugs.com

Aucatzyl (Obecabtagene Autoleucel) Suspension for Intravenous Infusion — U.S. Food and Drug Administration
 

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