Brentuximab vedotin
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Brentuximab vedotin is a CD30-directed antibody-drug conjugate used to treat various types of lymphoma.
Brentuximab vedotin is a CD30-directed antibody-drug conjugate used to treat various types of lymphoma.
Brentuximab vedotin is composed of 3 parts: a chimeric human-murine IgG1 that selectively targets CD30, monomethyl auristatin E (MMAE), which is a microtubule-disrupting agent, and a protease-susceptible linker that links the antibody and MMAE. The IgG1 antibody enables Brentuximab vedotin to target tumor cells expressing CD30 on their surface. Following this Brentuximab vedotin enters the cell. Once inside, the linker is cleaved releasing MMAE which binds disrupts the microtubule network. The antibody component of this drug is a chimeric IgG1 directed against CD30. The small molecule, MMAE, is a microtubule-disrupting particle. MMAE is covalently attached to the antibody by a linker. Data suggest that the anticancer activity of Adcertris is due to the binding of the ADC to CD30-expressing cells, followed by internalization of the ADC-CD30 complex, and the subsequent release of MMAE by proteolytic cleavage. Binding of MMAE to tubulin disrupts the microtubule network within the cell, inducing cell cycle arrest and apoptotis of the malignant cells .
Brentuximab vedotin is indicated in adult patients for the treatment of previously untreated stage III or IV classical Hodgkin's lymphoma (cHL) in combination with doxorubicin, vinblastine, and dacarbazine. It is also indicated for the treatment of cHL post-autologous hematopoietic stem cell transplantation (auto-HSCT) in patients at high risk of relapse or progression. Finally, it may be used in the treatment of adult patients with cHL who have previously failed either auto-HSCT or at least two prior multi-agent chemotherapy regimens if they are not candidates for auto-HSCT. Brentuximab vedotin is additionally indicated in the treatment of previously untreated systemic anaplastic large cell lymphoma (sALCL), or other CD30-expressing peripheral T-cell lymphomas (PTCL), in combination with cyclophosphamide, doxorubicin, and prednisone. It may also be used as monotherapy in sALCL after therapeutic failure of a least one prior multi-agent chemotherapy regimen. Brentuximab vedotin is also indicated in the treatment of primary cutaneous large anaplastic large cell lymphoma, or CD30-expressing mycosis fungoides, who have received prior systemic therapy.
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