LY2090314

Potent GSK-3 inhibitor CAS# 603288-22-8

LY2090314

Catalog No. BCC1717----Order now to get a substantial discount!

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Chemical structure

LY2090314

3D structure

Chemical Properties of LY2090314

Cas No. 603288-22-8 SDF Download SDF
PubChem ID 10029385 Appearance Powder
Formula C28H25FN6O3 M.Wt 512.53
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : ≥ 31 mg/mL (60.48 mM)
*"≥" means soluble, but saturation unknown.
SMILES C1CCN(CC1)C(=O)N2CCN3C=C(C4=CC(=CC(=C43)C2)F)C5=C(C(=O)NC5=O)C6=CN=C7N6C=CC=C7
Standard InChIKey HRJWTAWVFDCTGO-UHFFFAOYSA-N
Standard InChI InChI=1S/C28H25FN6O3/c29-18-12-17-15-34(28(38)32-7-3-1-4-8-32)11-10-33-16-20(19(13-18)25(17)33)23-24(27(37)31-26(23)36)21-14-30-22-6-2-5-9-35(21)22/h2,5-6,9,12-14,16H,1,3-4,7-8,10-11,15H2,(H,31,36,37)
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.
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.
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.

Biological Activity of LY2090314

DescriptionLY2090314 is a potent inhibitor of glycogen synthase kinase-3 (GSK-3) with IC50 value of 1.5 nM and 0.9 nM for GSK-3α and GSK-3β, respectively.
TargetsGSK-3αGSK-3β    
IC501.5 nM0.9 nM    

Protocol

Animal Administration [2]
Five million A375 human melanoma cancer cells are injected S.C. in the flank of female 6 to 8 week old athymic nude mice in a 1:1 mixture with matrigel. Mice are monitored daily for palpable tumors. When tumors reach appr 100 mm2 mice are randomized into groups receiving either LY2090314 (25 mg/kg Q3D) or vehicle (20% Captisol/0.01N HCl) via i.v. administration. Tumor volume (measured by calipers) and animal body weight are recorded twice weekly. Tumor volumes are calculated using the formula: (a2 × b)/2 (a being the smaller and b being the larger dimension of the tumor). For combination studies with DTIC (60 mg/kg QD), LY2090314 is dosed at 2.5 mg/kg Q3D and tumor growth monitored.

References:
[1]. Zamek-Gliszczynski MJ, et al. Pharmacokinetics, metabolism, and excretion of the glycogen synthase kinase-3 inhibitor LY2090314 in rats, dogs, and humans: a case study in rapid clearance by extensive metabolism with low circulating metabolite exposure. Dr [2]. Atkinson JM, et al. Activating the Wnt/β-Catenin Pathway for the Treatment of Melanoma--Application of LY2090314, a Novel Selective Inhibitor of Glycogen Synthase Kinase-3. PLoS One. 2015 Apr 27;10(4):e0125028.

LY2090314 Dilution Calculator

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Preparing Stock Solutions of LY2090314

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.9511 mL 9.7555 mL 19.5111 mL 39.0221 mL 48.7776 mL
5 mM 0.3902 mL 1.9511 mL 3.9022 mL 7.8044 mL 9.7555 mL
10 mM 0.1951 mL 0.9756 mL 1.9511 mL 3.9022 mL 4.8778 mL
50 mM 0.039 mL 0.1951 mL 0.3902 mL 0.7804 mL 0.9756 mL
100 mM 0.0195 mL 0.0976 mL 0.1951 mL 0.3902 mL 0.4878 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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Background on LY2090314

IC50: 1.5 nM (GSK-3α); 0.9 nM (GSK-3β)

LY2090314 (LY) is a potent inhibitor of glycogen synthase kinase-3 (GSK-3) which plays an important role in various pathways, such as protein synthesis initiation, cell proliferation/differentiation, and apoptosis.

In vitro: LY2090314 selectively inhibits the activity of GSK-3 by inhibiting ATP binding. LY2090314 was reported to be able to stabilize β-catenin. As monotherapy, LY2090314 aslso showed limited efficacy. In solid tumor cancer cell lines, LY3090314 was found to enhance the efficacy of cisplatin and carboplatin [1].

In vivo: Even in Mdr1a-, Bcrp-, and Mrp2-knockout rats, the metabolites of LY2090314 did not appear in systemic circulation, and the urinary excretion was not found to be enhanced, since the hypothesized impaired biliary excretion of metabolites in the absence of these canalicular transporters was not observed. Dog metabolite disposition was similar, with the exception of LY2090314 glucuronide. Moreover, LY2090314 enhances the efficacy of cisplatin and carboplatin in solid tumor cancer xenografts [1]

Clinical trial: In advanced solid tumor patients (pts), LY2090314 (LY) was dosed intravenously as a lead-in 7 days prior to the first administration of the triplet combination with PC. Preliminary pharmacokinetic analyses showed that exposure increased as dose increased over the dose range studied with a short terminal elimination half-life calculated in the majority of patients. Large number of pretreated patients that experienced stable disease suggests continued evaluation of LY in NSCLC may be warranted.

Reference:
[1] Brail LH, et al.  J Clin Oncol, 2011, 29, abstr 3030.

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References on LY2090314

Activating the Wnt/beta-Catenin Pathway for the Treatment of Melanoma--Application of LY2090314, a Novel Selective Inhibitor of Glycogen Synthase Kinase-3.[Pubmed:25915038]

PLoS One. 2015 Apr 27;10(4):e0125028.

It has previously been observed that a loss of beta-catenin expression occurs with melanoma progression and that nuclear beta-catenin levels are inversely proportional to cellular proliferation, suggesting that activation of the Wnt/beta-catenin pathway may provide benefit for melanoma patients. In order to further probe this concept we tested LY2090314, a potent and selective small-molecule inhibitor with activity against GSK3alpha and GSK3beta isoforms. In a panel of melanoma cell lines, nM concentrations of LY2090314 stimulated TCF/LEF TOPFlash reporter activity, stabilized beta-catenin and elevated the expression of Axin2, a Wnt responsive gene and marker of pathway activation. Cytotoxicity assays revealed that melanoma cell lines are very sensitive to LY2090314 in vitro (IC50 ~10 nM after 72hr of treatment) in contrast to other solid tumor cell lines (IC50 >10 uM) as evidenced by caspase activation and PARP cleavage. Cell lines harboring mutant B-RAF or N-RAS were equally sensitive to LY2090314 as were those with acquired resistance to the BRAF inhibitor Vemurafenib. shRNA studies demonstrated that beta-catenin stabilization is required for apoptosis following treatment with the GSK3 inhibitor since the sensitivity of melanoma cell lines to LY290314 could be overcome by beta-catenin knockdown. We further demonstrate that in vivo, LY2090314 elevates Axin2 gene expression after a single dose and produces tumor growth delay in A375 melanoma xenografts with repeat dosing. The activity of LY2090314 in preclinical models suggests that the role of Wnt activators for the treatment of melanoma should be further explored.

An open-label phase 2 study of glycogen synthase kinase-3 inhibitor LY2090314 in patients with acute leukemia.[Pubmed:26735141]

Leuk Lymphoma. 2016 Aug;57(8):1800-6.

This open-label, Phase-2 study investigated the safety of LY2090314 (GSK-3 inhibitor) in AML patients. Twenty patients received 40-mg LY2090314 (50-mg ranitidine pretreatment) as follows: Cohort 1 - days 1, 8, and 15 of a 28-d cycle (n = 7); Cohort 2 - days 1, 5, and 9 of a 21-d cycle (n = 6); Cohort 3 - days 1, 5, 9, and 12 of a 21-d cycle (n = 7). Decreased appetite (n = 7) and nausea (n = 4) were the most frequently reported possibly drug-related non-hematologic treatment-emergent adverse events (TEAEs). Hematologic TEAEs included febrile neutropenia (n = 2), thrombocytopenia (n = 1), and anemia (n = 1). Atrial flutter (n = 1), QT interval prolongation (n = 3), and visual disturbances (n = 2) were observed, but were not clinically significant (investigator assessed). Although beta-catenin levels indicated an on-target effect, no complete or partial remissions were observed. Pharmacokinetics were consistent with a previous Phase 1 study. These data suggest that single-agent LY2090314 has acceptable safety but limited clinical benefit in AML patients at the dose/frequencies investigated.

A first-in-human phase I dose-escalation, pharmacokinetic, and pharmacodynamic evaluation of intravenous LY2090314, a glycogen synthase kinase 3 inhibitor, administered in combination with pemetrexed and carboplatin.[Pubmed:26403509]

Invest New Drugs. 2015 Dec;33(6):1187-96.

PURPOSE: LY2090314 (LY) is a glycogen synthase kinase 3 inhibitor with preclinical efficacy in xenograft models when combined with platinum regimens. A first-in-human phase 1 dose-escalation study evaluated the combination of LY with pemetrexed/carboplatin. PATIENTS AND METHODS: Forty-one patients with advanced solid tumors received single-dose LY monotherapy lead-in and 37 patients received LY (10-120 mg) plus pemetrexed/carboplatin (500 mg/m(2) and 5-6 AUC, respectively) across 8 dose levels every 21 days. Primary objective was maximum tolerated dose (MTD) determination; secondary endpoints included safety, antitumor activity, pharmacokinetics, and beta-catenin pharmacodynamics. RESULTS: MTD of LY with pemetrexed/carboplatin was 40 mg. Eleven dose-limiting toxicities (DLTs) occurred in ten patients. DLTs during LY monotherapy occurred at >/= 40 mg: grade 2 visual disturbance (n = 1) and grade 3/4 peri-infusional thoracic pain during or shortly post infusion (n = 4; chest, upper abdominal, and back pain). Ranitidine was added after de-escalation to 80 mg LY to minimize peri-infusional thoracic pain. Following LY with pemetrexed/carboplatin therapy, DLTs included grade 3/4 thrombocytopenia (n = 4) and grade 4 neutropenia (n = 1). Best overall response by RECIST included 5 confirmed partial responses (non-small cell lung cancer [n = 3], mesothelioma, and breast cancer) and 19 patients having stable disease. Systemic LY exposure was approximately linear over dose range studied. Transient upregulation of beta-catenin measured in peripheral blood mononuclear cells (PBMCs) occurred at 40 mg LY. CONCLUSIONS: The initial safety profile of LY2090314 was established. MTD LY dose with pemetrexed/carboplatin is 40 mg IV every 3 weeks plus ranitidine. Efficacy of LY plus pemetrexed/carboplatin requires confirmation in randomized trials.

Pharmacokinetics, metabolism, and excretion of the glycogen synthase kinase-3 inhibitor LY2090314 in rats, dogs, and humans: a case study in rapid clearance by extensive metabolism with low circulating metabolite exposure.[Pubmed:23305709]

Drug Metab Dispos. 2013 Apr;41(4):714-26.

LY2090314 (3-[9-fluoro-2-(piperidin-1-ylcarbonyl)-1,2,3,4-tetrahydro[1,4]diazepino[6,7,1-hi ]indol-7-yl]-4-imidazo[1,2-a]pyridin-3-yl-1H-pyrrole-2,5-dione) is an intravenous glycogen synthase kinase-3 inhibitor in oncology trials. Drug disposition was characterized after intravenous infusion of [(14)C]LY2090314 to rats and dogs, and was related to available clinical data. LY2090314 exhibited high clearance (approximating hepatic blood flow) and a moderate volume of distribution ( approximately 1-2 l/kg) resulting in rapid elimination (half-life approximately 0.4, 0.7, and 1.8-3.4 hours in rats, dogs, and humans, respectively). Scaled clearance from liver microsomes accurately predicted perfusion-limited clearance across species. LY2090314 was cleared by extensive metabolism, and the numerous metabolites were rapidly excreted into feces via bile (69-97% of dose; 62-93% within 0-24 hours); urinary recovery of drug-related material was low (LY2090314 metabolites did not appear in circulation, and their urinary excretion was not enhanced, because the hypothesized impaired biliary excretion of metabolites in the absence of these canalicular transporters was not observed. Canine metabolite disposition was generally similar, with the notable exception of dog-unique LY2090314 glucuronide. This conjugate was formed in the dog liver and was preferentially excreted into the blood, where it accounted for the majority of circulating radioactivity at later times, and was predominantly recovered in urine (16% of dose). In conclusion, LY2090314 was rapidly cleared by extensive metabolism with negligible circulating metabolite exposures due to biliary excretion of metabolites into feces with no apparent intestinal reabsorption.

Description

LY2090314 is a potent inhibitor of glycogen synthase kinase-3 (GSK-3) with IC50 values of 1.5 nM and 0.9 nM for GSK-3α and GSK-3β, respectively.

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