AZD-1152HQPA - CAS 722544-51-6
Catalog number: 722544-51-6
Category: Inhibitor
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Aurora Kinase
AZD-1152HQPA is an active metabolite of Barasertib (AZD-1152), which is a novel acetanilide-substituted pyrazole-aminoquinazoline prodrug that is converted rapidly to the active drug AZD-1152 hydroxy-QPA (AZD1152-HQPA) in human plasma. AZD1152-HQPA is a specific inhibitor of the enzymatic activity of Aurora kinase, with selectivity for Aurora B. AZD-1152 was active against a variety of solid tumors including colon, breast, and lung cancers.
Light yellow to yellow solid
AZD-2811; AZD 2811; AZD2811; AZD-1152HQPA; AZD 1152HQPA; AZD1152HQPA; AZD1152 HQPA; AZD1152-HQPA; AZD1152HQPA.
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AstraZeneca, Inc.
1.[Inhibitors of aurora kinases].
Pinel S;Barbault-Foucher S;Lott-Desroches MC;Astier A Ann Pharm Fr. 2009 Mar;67(2):69-77. doi: 10.1016/j.pharma.2008.12.005. Epub 2009 Feb 23.
Aurora kinases (A, B and C) are proteins expressed only in cells which divide actively and their increase is a factor of bad prognosis in cancer. They regulate the maturation of centrosomes, the separation and the condensation of chromosomes, mitotic checkpoint and cytokinesis. The inhibition of aurora kinases, by powerful and selective inhibitors, is due to the formation of abnormal cells which are eliminated by apoptosis. The purpose of this article is to present the role, the antitumor activity and the tolerability of these inhibitors. They can be administered orally or intravenously, on weekly or monthly schedules. In our knowledge, twelve molecules are evaluated at the present time and will be discussed only the most advanced namely: VX-680, ZM 447439, MLN 8054, AZD 1152, PHA 739358, SU 6668 and AT 9283. The main indications are breast, colon, lung, pancreas and bladder cancers as well as hematologic tumors such as leukemia (ALL, AML, CML) and lymphoma. These inhibitors can be associated with other chemotherapies. They seem well tolerated; the reported side effects are digestive disorders (diarrhea), fever, asthenia, alopecia, slumber, neutropenia, myelosuppression and disturbance of the biological markers.
2.Aurora kinase inhibitor nanoparticles target tumors with favorable therapeutic index in vivo.
Ashton S;Song YH;Nolan J;Cadogan E;Murray J;Odedra R;Foster J;Hall PA;Low S;Taylor P;Ellston R;Polanska UM;Wilson J;Howes C;Smith A;Goodwin RJ;Swales JG;Strittmatter N;Takáts Z;Nilsson A;Andren P;Trueman D;Walker M;Reimer CL;Troiano G;Parsons D;De Witt D;Ashford M;Hrkach J;Zale S;Jewsbury PJ;Barry ST Sci Transl Med. 2016 Feb 10;8(325):325ra17. doi: 10.1126/scitranslmed.aad2355.
Efforts to apply nanotechnology in cancer have focused almost exclusively on the delivery of cytotoxic drugs to improve therapeutic index. There has been little consideration of molecularly targeted agents, in particular kinase inhibitors, which can also present considerable therapeutic index limitations. We describe the development of Accurin polymeric nanoparticles that encapsulate the clinical candidate AZD2811, an Aurora B kinase inhibitor, using an ion pairing approach. Accurins increase biodistribution to tumor sites and provide extended release of encapsulated drug payloads. AZD2811 nanoparticles containing pharmaceutically acceptable organic acids as ion pairing agents displayed continuous drug release for more than 1 week in vitro and a corresponding extended pharmacodynamic reduction of tumor phosphorylated histone H3 levels in vivo for up to 96 hours after a single administration. A specific AZD2811 nanoparticle formulation profile showed accumulation and retention in tumors with minimal impact on bone marrow pathology, and resulted in lower toxicity and increased efficacy in multiple tumor models at half the dose intensity of AZD1152, a water-soluble prodrug of AZD2811. These studies demonstrate that AZD2811 can be formulated in nanoparticles using ion pairing agents to give improved efficacy and tolerability in preclinical models with less frequent dosing.
3.Optimizing Therapeutic Effect of Aurora B Inhibition in Acute Myeloid Leukemia with AZD2811 Nanoparticles.
Floc'h N;Ashton S;Taylor P;Trueman D;Harris E;Odedra R;Maratea K;Derbyshire N;Caddy J;Jacobs VN;Hattersley M;Wen S;Curtis NJ;Pilling JE;Pease EJ;Barry ST Mol Cancer Ther. 2017 Jun;16(6):1031-1040. doi: 10.1158/1535-7163.MCT-16-0580. Epub 2017 Mar 14.
Barasertib (AZD1152), a highly potent and selective aurora kinase B inhibitor, gave promising clinical activity in elderly acute myeloid leukemia (AML) patients. However, clinical utility was limited by the requirement for a 7-day infusion. Here we assessed the potential of a nanoparticle formulation of the selective Aurora kinase B inhibitor AZD2811 (formerly known as AZD1152-hQPA) in preclinical models of AML. When administered to HL-60 tumor xenografts at a single dose between 25 and 98.7 mg/kg, AZD2811 nanoparticle treatment delivered profound inhibition of tumor growth, exceeding the activity of AZD1152. The improved antitumor activity was associated with increased phospho-histone H3 inhibition, polyploidy, and tumor cell apoptosis. Moreover, AZD2811 nanoparticles increased antitumor activity when combined with cytosine arabinoside. By modifying dose of AZD2811 nanoparticle, therapeutic benefit in a range of preclinical models was further optimized. At high-dose, antitumor activity was seen in a range of models including the MOLM-13 disseminated model. At these higher doses, a transient reduction in bone marrow cellularity was observed demonstrating the potential for the formulation to target residual disease in the bone marrow, a key consideration when treating AML.
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CAS 722544-51-6 AZD-1152HQPA

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