Targeting CD30 in Anaplastic Large Cell Lymphoma
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Anaplastic large cell lymphoma (ALCL) is a lymphoid neoplasm characterized by strong and uniform expression of the CD30 antigen on the cell surface. Current standard frontline therapy of ALCL is anthracycline-based combination chemotherapy, usually CHOP (cyclophosphamide, doxorubicin, vincristine and prednisone) or CHOP-like regimens. Despite aggressive chemotherapy a significant number of patients relapse. Newer agents and strategies are needed in the management of this challenging disease especially in ALK-negative and high-risk ALK-positive patients who tend to have a poor prognosis. In this review we discuss the different approaches to targeting CD30 including naked antibodies, “enhanced antibodies”, antibody drug–toxin conjugates, radioimmunoconjugates, CD30-ligand–toxin conjugates, bispecific antibodies and T cell-based immune therapies.