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Search for Synergistic Drug Combinations to Treat Chronic Lymphocytic Leukemia.

Eleonora Ela HezkiySantosh KumarValid GahramanovJulia YaglomArkadi HesinSuchita Suryakant JadhavEkaterina GuzevShivani PatelElena AvineryMichael A FirerMichael Y Sherman
Published in: Cells (2022)
Finding synergistic drug combinations is an important area of cancer research. Here, we sought to rationally design synergistic drug combinations with an inhibitor of BTK kinase, ibrutinib, which is used for the treatment of several types of leukemia. We (a) used a pooled shRNA screen to identify genes that protect cells from the drug, (b) identified protective pathways via bioinformatics analysis of these gene sets, and (c) identified drugs that inhibit these pathways. Based on this analysis, we established that inhibitors of proteasome and mTORC1 could synergize with ibrutinib both in vitro and in vivo. We suggest that FDA-approved inhibitors of these pathways could be effectively combined with ibrutinib for the treatment of chronic lymphocytic leukemia (CLL).
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