Therapeutic Opportunities with Pharmacological Inhibition of CD38 with Isatuximab.

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Martin TG, Corzo K, Chiron M, Velde HV, Abbadessa G, Campana F, Solanki M, Meng R, Lee H, Wiederschain D, Zhu C, Rak A, Anderson KC

Therapeutic Opportunities with Pharmacological Inhibition of CD38 with Isatuximab.

Cells. 2019 Nov 26;8(12). pii: cells8121522. doi: 10.3390/cells8121522.

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31779273 [ View in PubMed
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Abstract

CD38 is a transmembrane glycoprotein with ectoenzymatic activity involved in regulation of migration, signal transduction, and receptor-mediated adhesion. CD38 is highly expressed on various malignant cells, including multiple myeloma (MM), and at relatively low levels in other tissues, making it a suitable target for therapeutic antibodies. Several anti-CD38 therapies have been, or are being, developed for the treatment of MM, including daratumumab and isatuximab (SAR650984), respectively. Studies have shown that anti-CD38 therapies are effective in the treatment of relapsed/refractory MM and are well tolerated, with infusion reactions being the most common side effects. They can be used as monotherapy or in combination with immunomodulatory agents, such as pomalidomide, or proteasome inhibitors to potentiate their activity. Here we examine isatuximab and several anti-CD38 agents in development that were generated using new antibody engineering techniques and that may lead to more effective CD38 targeting. We also summarize trials assessing these antibodies in MM, other malignancies, and solid organ transplantation. Finally, we propose that further research on the mechanisms of resistance to anti-CD38 therapy and the development of biomarkers and new backbone regimens with CD38 antibodies will be important steps in building more personalized treatment for patients with MM.

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