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Inhibitors of Bruton's tyrosine kinase (BTK), a major kinase in the B-cell receptor (BCR) signaling pathway, mediating B-cell proliferation and apoptosis, have substantially altered the management, clinical course, and outcome of patients with B-cell malignancies. This is especially true for patients with previously limited treatment options due to disease characteristics or coexisting diseases. Ibrutinib was the first orally available, nonselective and irreversible inhibitor of BTK approved for the treatment of patients with various B-cell malignancies. Newer and more selective BTK inhibitors are currently in clinical development, including acalabrutinib, which is currently US FDA approved for previously treated mantle cell lymphoma. Significant efforts are underway to investigate the optimal combinations, timing, and sequencing of BTK inhibitors with other regimens and targeted agents, and to capitalize on the immunomodulatory modes of action of BTK inhibitors to correct tumor-induced immune defects and to achieve long-lasting tumor control. This review describes the major milestones in the clinical development of BTK inhibitors in chronic lymphocytic leukemia and other B-cell malignancies, highlights the most recent long-term follow-up results, and evaluates the role of BTK inhibitors and their combination with other agents in B-cell malignancies and other indications.
This article was published in the following journal.
Name: Targeted oncology
Pediatric and adult patients with recurrent/refractory Burkitt lymphoma (BL) continue to have poor outcomes, emphasizing the need for newer therapeutic agents. Bruton's tyrosine kinase (BTK) is activa...
Bruton's tyrosine kinase (BTK) is a promising drug target for the treatment of multiple diseases such as B cell malignances, asthma, and rheumatoid arthritis. A series of novel aminotriazines were ide...
Bruton's tyrosine kinase (BTK) is a key mediator of BCR-dependent cell growth signaling and a clinically effective therapeutic target in mantle cell lymphoma (MCL). The molecular impact of BTK inhibit...
Bruton's tyrosine kinase (BTK), a non-receptor tyrosine kinase, is a member of the Tec family of kinases and is essential for B cell receptor (BCR)-mediated signaling. BTK also plays a critical role i...
USFDA has approved a novel Bruton tyrosine kinase (BTK) inhibitor acalabrutinib (ACA) for the treatment of mantle cell lymphoma in adults. ACA is more potent and selective with fewer side effects comp...
This is a Phase 1 trial to evaluate the safety, pharmacokinetics and efficacy of TG-1701, a Bruton's Tyrosine Kinase (BTK) inhibitor in patients with relapsed or refractory B-cell malignan...
This is a multicenter, open-label Phase 1 study of acalabrutinib, a selective and irreversible Bruton's tyrosine kinase inhibitor, in Japanese adult patients with advanced B-cell malignanc...
This study is evaluating the safety and efficacy of a new Bruton tyrosine kinase (Btk) inhibitor, ACP-196, for the treatment of chronic lymphocytic leukemia (CLL)/small lymphocytic lymphom...
Ibrutinib is an irreversible Bruton tyrosine-kinase inhibitor. In prospective studies, the ibrutinib efficacy in the treatment of various B-cell malignancies was established. Different ibr...
PF-02341066 may work in cancer by blocking the cell growth, migration and invasion of tumor cells. PF-02341066 is a new class of drugs called c-Met/Hepatocyte growth factor receptor tyros...
A protein tyrosine kinase that is required for T-CELL development and T-CELL ANTIGEN RECEPTOR function.
This enzyme is a lymphoid-specific src family tyrosine kinase that is critical for T-cell development and activation. Lck is associated with the cytoplasmic domains of CD4, CD8 and the beta-chain of the IL-2 receptor, and is thought to be involved in the earliest steps of TCR-mediated T-cell activation.
A protein kinase C subtype that was originally characterized as a CALCIUM-independent, serine-threonine kinase that is activated by PHORBOL ESTERS and DIACYLGLYCEROLS. It is targeted to specific cellular compartments in response to extracellular signals that activate G-PROTEIN-COUPLED RECEPTORS; TYROSINE KINASE RECEPTORS; and intracellular protein tyrosine kinase.
An isoflavonoid derived from soy products. It inhibits PROTEIN-TYROSINE KINASE and topoisomerase-II (DNA TOPOISOMERASES, TYPE II); activity and is used as an antineoplastic and antitumor agent. Experimentally, it has been shown to induce G2 PHASE arrest in human and murine cell lines and inhibits PROTEIN-TYROSINE KINASE.
An enzyme group that specifically dephosphorylates phosphotyrosyl residues in selected proteins. Together with PROTEIN-TYROSINE KINASE, it regulates tyrosine phosphorylation and dephosphorylation in cellular signal transduction and may play a role in cell growth control and carcinogenesis.