MedPath

Ciltacabtagene autoleucel

Generic Name
Ciltacabtagene autoleucel
Brand Names
Carvykti
Drug Type
Biotech
Unique Ingredient Identifier
0L1F17908Q
Background

Multiple myeloma is a malignancy involving the plasma cells of the bone marrow. It is a rare malignancy, with an estimated yearly incidence of 6.5 people per 100,000, and is variable in its presentation - some patients may remain entirely asymptomatic, while others may experience a range of symptoms including bone pain, hematologic abnormalities, and end-organ damage. There have been a number of treatments developed for multiple myeloma (e.g. daratumumab), although none are curative.

B-cell maturation antigen (BCMA) is a transmembrane glycoprotein member of the tumor necrosis factor receptor superfamily 17 (TNFRSF17) which is used as a biomarker for multiple myeloma. While normally expressed on plasma blasts and plasma cells, BCMA is widely expressed on malignant plasma cells and most multiple myeloma cell lines, making it a choice target in the development of immunotherapies against multiple myeloma.

Ciltacabtagene autoleucel (Carvykti, Jannsen Biotech Inc.) is a BCMA-directed genetically modified autologous T-cell immunotherapy. Patient T-cells are reprogrammed with a transgene encoding a specific chimeric antigen receptor (CAR) which features two BCMA-targeting single-domain antibodies. Re-infusion of these modified T-cells leads to the targeted elimination of malignant plasma cells, on which BCMA is highly expressed. Carvykti was first approved by the FDA in February 2022 for the treatment of relapsed or refractory multiple myeloma in treatment-experienced patients.

Indication

Ciltacabtagene autoleucel is indicated for the treatment of adult patients with relapsed or refractory multiple myeloma after ≥4 prior lines of therapy, including a proteasome inhibitor, an immunomodulatory agent, and an anti-CD38 monoclonal antibody.

Associated Conditions
Refractory Multiple Myeloma, Relapsed Multiple Myeloma

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• DARZALEX (daratumumab), Janssen's CD38-targeting monoclonal antibody, has transformed multiple myeloma treatment across all lines of therapy, generating $11.6 billion in worldwide sales in 2024. • The drug's success stems from its versatility in combination regimens, expanded approvals for both newly diagnosed and relapsed/refractory patients, and the introduction of DARZALEX FASPRO, a convenient subcutaneous formulation. • Despite growing competition from emerging therapies like Sanofi's SARCLISA and novel BCMA-targeting agents, DARZALEX maintains market leadership through first-mover advantage and robust clinical efficacy data.

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J&J's Carvykti Shows Promise in Earlier Myeloma Treatment

• The CARTITUDE-4 study indicates that Carvykti (ciltacabtagene autoleucel) significantly improves progression-free survival in multiple myeloma patients with 1-3 prior lines of therapy. • Carvykti, a BCMA-directed CAR-T therapy, may soon be used earlier in the treatment pathway, potentially leapfrogging Bristol-Myers Squibb's Abecma. • The study compared Carvykti to standard three-drug regimens, showing a significant benefit that led to unblinding of the trial. • Expansion of Carvykti's use is a key component of J&J's strategy in multiple myeloma, alongside other therapies like Darzalex and bispecific antibodies.

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• Idecabtagene vicleucel (ide-cel) demonstrated high rates of complete response and minimal residual disease negativity in multiple myeloma patients after suboptimal response to standard first-line therapy. • Ciltacabtagene autoleucel (cilta-cel) showed significantly higher rates of minimal residual disease negativity compared to standard of care in lenalidomide-refractory multiple myeloma. • Cilta-cel's sustained MRD negativity translated to prolonged progression-free survival, with over 93% of patients remaining progression-free for more than 30 months. • Both ide-cel and cilta-cel highlight the potential of CAR-T cell therapy in achieving deep and durable responses in multiple myeloma patients.

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