癌症研究
医学
激酶
髓系白血病
贾纳斯激酶
白血病
癌症
多发性骨髓瘤
体内
药理学
免疫学
内科学
生物
细胞因子
细胞生物学
生物技术
摘要
AT-9283 has been identified and developed by Astex Therapeutics via structure-based optimization of a ligand-efficient pyrazole-benzimidazole fragment. AT-9283 inhibits several important kinases, including the Aurora kinase A, Aurora kinase B, Janus kinase (Jak)2, Jak3 and Abl kinase. Studies using multiple solid tumor and leukemia cell lines have demonstrated the ability of AT-9283 to inhibit growth and survival of tumor cells, and the direct inhibition of these kinases has been demonstrated in cell-based systems. The in vivo antitumor activity of AT-9283 has also been demonstrated in human tumor xenograft models. Based on these preclinical studies, several clinical trials have been conducted in patients with hematological malignancies, such as leukemias, myelodysplastic syndrome, myeloproliferative disease, chronic myeloid leukemia, lymphomas and multiple myeloma, and also in patients with solid tumors. Although phase II clinical trials have not been completed, AT-9283 demonstrated good safety and efficacy in phase I clinical trials. Thus, AT-9283 has potential as a therapeutic agent in several patient populations through its different inhibitory activities.
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