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GSK 1070916 For Advanced solid tumor



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GSK 1070916

NMI-900 , GSK-1070916, GSK-1070916A



CAS 942918-07-2,



PHASE 1/II , Advanced solid tumor, Cancer Research Technology,

off-white solid.

1H NMR (400 MHz, DMSO-d6) δ ppm 12.14 (d, J = 1.8 Hz, 1H), 8.31 (s, 1H), 8.27 (s, 1 H), 8.07 (d, J = 4.8 Hz, 1H), 7.78 (d, J = 8.1 Hz, 1H), 7.77 (s, 1H), 7.43 (d, J = 8.6 Hz, 2H), 7.39 (d, J = 8.1 Hz, 1H), 7.27 (d, J = 8.6 Hz, 2H), 7.27 (dd, 1H), 6.79 (d, J = 5.1 Hz, 1H), 6.76 (d, J = 2.0 Hz, 1H), 4.27 (q, J = 7.3 Hz, 2H), 3.43 (s, 2H), 2.91 (s, 6H), 2.18 (s, 6H), 1.51 (t, J = 7.2 Hz, 3H).

MS m/z 508.4 [M + H]+. Anal. (C30H33N7O·1.0H2O) C, H, N.

GSK1070916 is a reversible and ATP-competitive inhibitor of Aurora B/C with IC50 of 3.5 nM/6.5 nM; displays >100-fold selectivity against the closely related Aurora A-TPX2 complex(IC50=490 nM).

NMI-900, an Aurora B/C kinase inhibitor, is under development at Cancer Research Technology in phase I/II clinical studies for the treatment of advanced and/or metastatic solid tumors. Other phase I clinical trials for the treatment of solid tumors had been previously completed, in a collaboration between GlaxoSmithKline and Cancer Research Technology, under the Cancer Research UK’s Clinical Development Partnerships (CDP) program.

The drug was originated by GlaxoSmithKline. The rights of the product were acquired by Cancer Research Technology from GlaxoSmithKline after the company elected not to take the program forward. In December 2015, the product was licensed by Cancer Research Technology to Nemucore Medical Innovations for the exclusive worldwide development and commercialization for the treatment of difficult-to-treat cancers.



US 20070149561


Journal of Medicinal Chemistry (2010), 53 (10), 3973-4001

Discovery of GSK1070916, a Potent and Selective Inhibitor of Aurora B/C Kinase

Cancer Research, Oncology R&D
Molecular Discovery Research
GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426
§ Tsukuba Research Laboratories, Japan
J. Med. Chem., 2010, 53 (10), pp 3973–4001
DOI: 10.1021/jm901870q
Abstract Image

The Aurora kinases play critical roles in the regulation of mitosis and are frequently overexpressed or amplified in human tumors. Selective inhibitors may provide a new therapy for the treatment of tumors with Aurora kinase amplification. Herein we describe our lead optimization efforts within a 7-azaindole-based series culminating in the identification of GSK1070916 (17k). Key to the advancement of the series was the introduction of a 2-aryl group containing a basic amine onto the azaindole leading to significantly improved cellular activity. Compound 17k is a potent and selective ATP-competitive inhibitor of Aurora B and C with Ki* values of 0.38 ± 0.29 and 1.5 ± 0.4 nM, respectively, and is >250-fold selective over Aurora A. Biochemical characterization revealed that compound 17k has an extremely slow dissociation half-life from Aurora B (>480 min), distinguishing it from clinical compounds 1 and 2. In vitro treatment of A549 human lung cancer cells with compound 17k results in a potent antiproliferative effect (EC50 = 7 nM). Intraperitoneal administration of 17k in mice bearing human tumor xenografts leads to inhibition of histone H3 phosphorylation at serine 10 in human colon cancer (Colo205) and tumor regression in human leukemia (HL-60). Compound 17k is being progressed to human clinical trials.………..PDF FILE



Molecules 2014, 19(12), 19935-19979; doi:10.3390/molecules191219935

Biological Activity of GSK-1070916

GSK1070916 is a reversible and ATP-competitive inhibitor of Aurora B/C with IC50 of 3.5 nM/6.5 nM; displays >100-fold selectivity against the closely related Aurora A-TPX2 complex(IC50=490 nM).
IC50 Value: 3.5 nM(Aurora B); 6.5 nM(Aurora C)
Target: Aurora B/C
in vitro: GSK1070916 selectively inhibits Aurora B and Aurora C with Ki of 0.38 nM and 1.5 nM over Aurora A with Ki of 490 nM. Inhibition of Aurora B and Aurora C is time-dependent, with an enzyme-inhibitor dissociation half-life of >480 min and 270 min respectively. In addition, GSK1070916 is also a competitive inhibitor with respect to ATP. Human tumor cells treated with GSK1070916 shows dose-dependent inhibition of phosphorylation on serine 10 of Histone H3, a substrate specific for Aurora B. Moreover, GSK1070916 inhibits the proliferation of tumor cells with EC50 values of <10 nM in over 100 cell lines spanning a broad range of tumor types, with a median EC50 of 8 nM. Although GSK1070916 has potent activity against proliferating cells, a dramatic shift in potency is observed in primary, nondividing, normal human vein endothelial cells. Furthermore, GSK1070916-treated cells do not arrest in mitosis but instead fails to divide and become polyploid, ultimately leading to apoptosis. In another study, it is also reported high chromosome number associated with resistance to the inhibition of Aurora B and C suggests cells with a mechanism to bypass the high ploidy checkpoint are resistant to GSK1070916.
in vivo: GSK1070916 (25, 50, or 100 mg/kg) shows dose-dependent inhibition of phosphorylation of an Aurora B–specific substrate in mice and consistent with its broad cellular activity, has antitumor effects in 10 human tumor xenograft models including breast, colon, lung, and two leukemia models.

Clinical Information of GSK-1070916

Product Name Sponsor Only Condition Start Date End Date Phase Last Change Date
GSK-1070916 Cancer Research UK Advanced solid tumor 31-MAR-10 31-MAR-13 Phase 1 17-JUN-13

References on GSK-1070916

[1]. Anderson K, et al. Biochemical characterization of GSK1070916, a potent and selective inhibitor of Aurora B and Aurora C kinases with an extremely long residence time1. Biochem J. 2009 May 13;420(2):259-65.

[2]. Hardwicke, Mary Ann; Oleykowski, Catherine A.; Plant, Ramona; GSK1070916, a potent Aurora B/C kinase inhibitor with broad antitumor activity in tissue culture cells and human tumor xenograft models. Molecular Cancer Therapeutics (2009), 8(7), 1808-1817.

[3]. Moy C, Oleykowski CA, Plant R, Greshock J, Jing J, Bachman K, Hardwicke MA, Wooster R, Degenhardt Y.High chromosome number in hematological cancer cell lines is a negative predictor of response to the inhibition of Aurora B and C by GSK1070916.J Transl Med. 2011 Jul 15;9:110.

[4]. Adams ND, Adams JL, Burgess JL, Chaudhari AM, Copeland RA, Donatelli CA, Drewry DH, Fisher KE, Hamajima T, Hardwicke MA, Huffman WF, Koretke-Brown KK, Lai ZV, McDonald OB, Nakamura H, Newlander KA, Oleykowski CA, Parrish CA, Patrick DR, Plant R, Sarpong MA, Sasaki K, Schmidt SJ, Silva DJ, Sutton D, Tang J, Thompson CS, Tummino PJ, Wang JC, Xiang H, Yang J, Dhanak D.Discovery of GSK1070916, a potent and selective inhibitor of Aurora B/C kinase.J Med Chem. 2010 May 27;53(10):3973-4001.

[5]. Medina JR, Grant SW, Axten JM, Miller WH, Donatelli CA, Hardwicke MA, Oleykowski CA, Liao Q, Plant R, Xiang H.Discovery of a new series of Aurora inhibitors through truncation of GSK1070916.Bioorg Med Chem Lett. 2010 Apr 15;20(8):2552-5. Epub 2010 Mar 1.

/////////////GSK1070916, GSK-1070916,  942918-07-2 GSK, phase1, Advanced solid tumor, NMI-900 , GSK-1070916, GSK-1070916A

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DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with AFRICURE PHARMA as ADVISOR, earlier assignment was with GLENMARK LIFE SCIENCES LTD, as CONSUlTANT, Retired from GLENMARK in Jan2022 Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 32 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 32 PLUS year tenure till date Feb 2023, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 100 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 100 Lakh plus views on dozen plus blogs, 227 countries, 7 continents, He makes himself available to all, contact him on +91 9323115463, email, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 38 lakh plus views on New Drug Approvals Blog in 227 countries...... , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc He has total of 32 International and Indian awards

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