2016
DOI: 10.1016/j.bmcl.2016.10.087
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Discovery of TAK-659 an orally available investigational inhibitor of Spleen Tyrosine Kinase (SYK)

Abstract: Spleen Tyrosine Kinase (SYK) is a non-receptor cytoplasmic tyrosine kinase that is primarily expressed in hematopoietic cells. SYK is a key mediator for a variety of inflammatory cells, including B cells, mast cells, macrophages and neutrophils and therefore, an attractive approach for treatment of both inflammatory diseases and oncology indications. Using in house co-crystal structure information, and structure-based drug design, we designed and optimized a novel series of heteroaromatic pyrrolidinone SYK inh… Show more

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Cited by 57 publications
(44 citation statements)
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“…The estimated sample sizes for the DLBCL and iNHL expansion cohorts were based on a Simon 2-stage design using the following parameters: a 1-sided test at the significance level of =0.1, a power of 80%, a null hypothesis of an ORR of ≤20% for DLBCL and ≤35% for iNHL, and an alternative hypothesis of an ORR of ≥40% for DLBCL and ≥60% for iNHL. A total of 12-25 DLBCL patients (14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29) patients projected based on a 15% dropout rate) and 10-23 iNHL patients (14-27 patients projected based on a 15% dropout rate) would be needed for the expansion cohorts.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The estimated sample sizes for the DLBCL and iNHL expansion cohorts were based on a Simon 2-stage design using the following parameters: a 1-sided test at the significance level of =0.1, a power of 80%, a null hypothesis of an ORR of ≤20% for DLBCL and ≤35% for iNHL, and an alternative hypothesis of an ORR of ≥40% for DLBCL and ≥60% for iNHL. A total of 12-25 DLBCL patients (14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29) patients projected based on a 15% dropout rate) and 10-23 iNHL patients (14-27 patients projected based on a 15% dropout rate) would be needed for the expansion cohorts.…”
Section: Discussionmentioning
confidence: 99%
“…Additionally, evidence suggests the SYK pathway may also be implicated in select solid tumors (12)(13)(14)(15). TAK-659 is an investigational, oral, reversible, and potent dual inhibitor of SYK and FMS-like tyrosine kinase 3 (FLT3) (16). TAK-659 has demonstrated inhibitory activity in preclinical models of diffuse large B-cell lymphoma (DLBCL), in a RL follicular lymphoma (FL) cell line (17), and in chronic lymphocytic leukemia (CLL) cells (18).…”
Section: Introductionmentioning
confidence: 99%
“…Finally, several studies have shown the importance of BTK in FLT3 AML pathogenesis [32,33]. Together, these studies suggest that the use of a multi-kinase inhibitor targeting SFK and BTK could achieve clinical benefit by targeting upstream regulators of FLT3 similar to the use of dual FLT3/SYK inhibitors in AML [31,34,35].…”
Section: Introductionmentioning
confidence: 92%
“…Our earlier studies also demonstrated that the novel BTK inhibitor Abivertinib is effective in inhibiting MCL survival (4). Efficacy of BTK inhibition as a single agent therapy is powerful, but resistance may develop, fueling the development of combination therapies that improve clinical responses (5)(6)(7)(8)(9)(10)(11)(12)(13). Recent studies have investigated the combination of BTK inhibitor PLS-123 and the mammalian target of rapamycin (mTOR) inhibitor everolimus synergy to attenuate proliferation and motility of MCL cell lines (13).…”
Section: Ivyspringmentioning
confidence: 99%