Expert opinion on biological therapy
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Multiple myeloma (MM) is a currently incurable hematologic tumor with heterogeneous clinical behavior and prognosis. During the last years, survival improved due to a better understanding of MM biology and the development of novel drugs, although it still remains unsatisfactory in many cases: new drugs and treatment strategies are needed. CD38 is uniformly expressed at high levels on MM cells and, to a lesser extent, on the surface of normal hematopoietic and non-hematopoietic cells, making this molecule an interesting target for immunotherapeutic approaches. ⋯ Monoclonal antibodies (mAbs) targeting CD38 are currently changing the treatment scenario in MM, allowing physicians to reach unprecedented results, especially when anti-CD38 mAbs are used in combination with consolidated MM treatments. Other immunotherapies targeting CD38 - such as conjugated anti-CD38 mAbs, bispecific antibodies stimulating T cells to eliminate CD38+ MM cells, and CD38-specific chimeric antigen receptor T cells - are interesting strategies, currently at earlier developmental stages.
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Psoriasis and psoriatic arthritis are common diseases with significant physical and emotional burden. Several biologics are FDA-approved to treat psoriasis and psoriatic arthritis, though some patients remain refractory to, or have lost response to, therapy and/or cannot tolerate the associated risks and side effects. Bimekizumab is a new biologic that inhibits both IL-17A and IL-17F. ⋯ Expert opinion: Bimekizumab is a burgeoning biologic offering significant promise through its unique bispecific targeting of both IL-17A and IL-17F. Clinical trials have shown the potential of rapid symptom improvement after treatment with bimekizumab, with some patients seeing improvement after only two weeks. To date, bimekizumab has been shown to be safe and well-tolerated by patients, without any associated significant adverse events.