SB1317CDK,JAK and FLT inhibitor CAS# 937270-47-8 |
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Quality Control & MSDS
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| Cas No. | 937270-47-8 | SDF | Download SDF |
| PubChem ID | 16739650 | Appearance | Powder |
| Formula | C23H24N4O | M.Wt | 372.46 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Synonyms | TG02 | ||
| Solubility | DMSO : 26.5 mg/mL (71.15 mM; Need ultrasonic and warming) | ||
| SMILES | CN1CC=CCCOC2=CC=CC(=C2)C3=NC(=NC=C3)NC4=CC=CC(=C4)C1 | ||
| Standard InChIKey | VXBAJLGYBMTJCY-NSCUHMNNSA-N | ||
| Standard InChI | InChI=1S/C23H24N4O/c1-27-13-3-2-4-14-28-21-10-6-8-19(16-21)22-11-12-24-23(26-22)25-20-9-5-7-18(15-20)17-27/h2-3,5-12,15-16H,4,13-14,17H2,1H3,(H,24,25,26)/b3-2+ | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
| Description | SB1317 is a potent inhibitor of CDK2, JAK2, and FLT3 for the treatment of cancer, with IC50 of 13, 73, and 56 nM for CDK2, JAK2 and FLT3, respectively.In Vitro:SB1317 has a highly novel kinase inhibitory spectrum inhibiting 17 kinases from a panel of 63, 11 of which are CDK/JAK/FLT family members. The others, Lck, Fyn, Fms, TYRO3, ERK5, and p38δ, are implicated in inflammatory and proliferative processes. Human CYP1A2, 3A4, 2C9, and 2C19 isoforms are not inhibited by SB1317 at the highest tested concentration of 25 μM, but SB1317 inhibits CYP2D6 with IC50=0.95 μM, approximately at the plasma Cmax observed at the maximum tolerated dose. SB1317 inhibits cell proliferation concentrations in HCT-116 (IC50=0.079 μM) and HL-60 (IC50=0.059 μM)[1]. SB1317 is a novel small molecule potent CDK/JAK2/FLT3 inhibitor. SB1317 is mainly metabolized by CYP3A4 and CY1A2 in vitro. SB1317 does not inhibit any of the major human CYPs in vitro except CYP2D6 (IC50=1 μM). SB1317 does not significantly induce CYP1A and CYP3A4 in human hepatocytes in vitro[2].In Vivo:Treatment with SB1317 at 75 mg/kg po q.d. 3×/week significantly inhibits the growth of tumors with a mean TGI of 82%, while the lower dose of 50 mg/kg po 3×/week is marginally effective. Treatment with SB1317 using either regime significantly inhibits the growth of tumors with mean TGIs of 42% and 63% for the oral and ip delivery methods, respectively[1]. In pharmacokinetic studies SB1317 shows moderate to high systemic clearance (relative to liver blood flow), high volume of distribution (>0.6 L/kg), oral bioavailability of 24%, ~4 and 37% in mice, rats and dogs, respectively; and extensive tissue distribution in mice[2]. References: | |||||
SB1317 Dilution Calculator
SB1317 Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.6849 mL | 13.4243 mL | 26.8485 mL | 53.697 mL | 67.1213 mL |
| 5 mM | 0.537 mL | 2.6849 mL | 5.3697 mL | 10.7394 mL | 13.4243 mL |
| 10 mM | 0.2685 mL | 1.3424 mL | 2.6849 mL | 5.3697 mL | 6.7121 mL |
| 50 mM | 0.0537 mL | 0.2685 mL | 0.537 mL | 1.0739 mL | 1.3424 mL |
| 100 mM | 0.0268 mL | 0.1342 mL | 0.2685 mL | 0.537 mL | 0.6712 mL |
| * Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. | |||||
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SB1317 is a potent inhibitor of Cyclin dependent kinases (CDKs), FMS-like tyrosine kinase-3 (FLT3) and Janus kinase 2 (JAK2) with IC50 values of 13nM, 56nM and 73nM for CDK2, JAK2 and FLT3, respectively [1].
CDKs are serine-threonine kinases that regulating the cell cycle. JAK2 is a nonreciprocal intracellular tyrosine kinase that transduces cytokine-mediated signals via the JAK-STAT pathway. FLT3 is a cytokine receptor and plays an important role in the normal development of haematopoietic stem cells [1].
In luciferase-expressing MM1S cells, SB1317 overcame the proliferative/protective advantage conferred by IL-6. In MM1S cells, SB1317 increased the percentage of cells in G2/M phases and decreased cells in the S phase. Also, SB1317 increased the amount of cells in the subG0 region [2].
In CB17-SCID mice bearing human multiple myeloma plasmacytoma xenograft models (the bortezomib-sensitive MM1S model and the more bortezomib-resistant OPM2 model), SB1317 significantly inhibited tumor growth [2]. In a subcutaneous AML model, treatment mice with SB1317 dosed 10, 20 or 40 mg/kg daily for 21 days reduced the average tumor volume by 53%, 61% and 113%, respectively [3].
References:
[1]. William AD, Lee AC, Goh KC, et al. Discovery of kinase spectrum selective macrocycle (16E)-14-methyl-20-oxa-5,7,14,26-tetraazatetracyclo[19.3.1.1(2,6).1(8,12)]heptacosa-1(25),2(26),3,5,8(27),9,11,16,21,23-decaene (SB1317/TG02), a potent inhibitor of cyclin dependent kinases (CDKs), Janus kinase 2 (JAK2), and fms-like tyrosine kinase-3 (FLT3) for the treatment of cancer. J Med Chem, 2012, 55(1): 169-196.
[2]. Álvarez-Fernández S, Ortiz-Ruiz MJ, Parrott T, et al. Potent antimyeloma activity of a novel ERK5/CDK inhibitor. Clin Cancer Res, 2013, 19(10): 2677-2687.
[3]. Goh KC, Novotny-Diermayr V, Hart S, et al. TG02, a novel oral multi-kinase inhibitor of CDKs, JAK2 and FLT3 with potent anti-leukemic properties. Leukemia, 2012, 26(2): 236-243.
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Discovery of kinase spectrum selective macrocycle (16E)-14-methyl-20-oxa-5,7,14,26-tetraazatetracyclo[19.3.1.1(2,6).1(8,12)]heptaco sa-1(25),2(26),3,5,8(27),9,11,16,21,23-decaene (SB1317/TG02), a potent inhibitor of cyclin dependent kinases (CDKs), Janus kinase 2 (JAK2), and fms-like tyrosine kinase-3 (FLT3) for the treatment of cancer.[Pubmed:22148278]
J Med Chem. 2012 Jan 12;55(1):169-96.
Herein, we describe the design, synthesis, and SAR of a series of unique small molecule macrocycles that show spectrum selective kinase inhibition of CDKs, JAK2, and FLT3. The most promising leads were assessed in vitro for their inhibition of cancer cell proliferation, solubility, CYP450 inhibition, and microsomal stability. This screening cascade revealed 26 h as a preferred compound with target IC(50) of 13, 73, and 56 nM for CDK2, JAK2 and FLT3, respectively. Pharmacokinetic (PK) studies of 26 h in preclinical species showed good oral exposures. Oral efficacy was observed in colon (HCT-116) and lymphoma (Ramos) xenograft studies, in line with the observed PK/PD correlation. 26h (SB1317/TG02) was progressed into development in 2010 and is currently undergoing phase 1 clinical trials in advanced leukemias and multiple myeloma.
Preclinical metabolism and pharmacokinetics of SB1317 (TG02), a potent CDK/JAK2/FLT3 inhibitor.[Pubmed:22372550]
Drug Metab Lett. 2012 Mar;6(1):33-42.
SB1317 (TG02) is a novel small molecule potent CDK/JAK2/FLT3 inhibitor. To evaluate full potential of this development candidate, we conducted drug metabolism and pharmacokinetic studies of this novel anti-cancer agent. SB1317 was soluble, highly permeable in Caco-2 cells, and showed > 99% binding to plasma from mice, dog and humans. It was metabolically stable in human and dog liver microsomes relative to mouse and rat. SB1317 was mainly metabolized by CYP3A4 and CY1A2 in vitro. SB1317 did not inhibit any of the major human CYPs in vitro except CYP2D6 (IC50=1 muM). SB1317 did not significantly induce CYP1A and CYP3A4 in human hepatocytes in vitro. The metabolic profiles in liver microsomes from preclinical species were qualitatively similar to humans. In pharmacokinetic studies SB1317 showed moderate to high systemic clearance (relative to liver blood flow), high volume of distribution ( > 0.6 L/kg), oral bioavailability of 24%, approximately 4 and 37% in mice, rats and dogs, respectively; and extensive tissue distribution in mice. The favorable ADME of SB1317 supported its preclinical development as an oral drug candidate.
Structure-based design of nitrogen-linked macrocyclic kinase inhibitors leading to the clinical candidate SB1317/TG02, a potent inhibitor of cyclin dependant kinases (CDKs), Janus kinase 2 (JAK2), and Fms-like tyrosine kinase-3 (FLT3).[Pubmed:22820730]
J Mol Model. 2013 Jan;19(1):119-30.
A high-throughput screen against Aurora A kinase revealed several promising submicromolar pyrimidine-aniline leads. The bioactive conformation found by docking these leads into the Aurora A ATP-binding site had a semicircular shape. Macrocycle formation was proposed to achieve novelty and selectivity via ring-closing metathesis of a diene precursor. The nature of the optimal linker and its size was directed by docking. In a kinase panel screen, selected macrocycles were active on other kinase targets, mainly FLT3, JAK2, and CDKs. These compounds then became leads in a CDK/FLT3/JAK2 inhibitor project. Macrocycles with a basic nitrogen in the linker form a salt bridge with Asp86 in CDK2 and Asp698 in FLT3. Interaction with this residue explains the observed selectivity. The Asp86 residue is conserved in most CDKs, resulting in potent pan-CDK inhibition by these compounds. Optimized macrocycles generally have good DMPK properties, and are efficacious in mouse models of cancer. Compound 5 (SB1317/TG02), a pan-CDK/FLT3/JAK2 inhibitor, was selected for preclinical development, and is now in phase 1 clinical trials.
