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| 5mg |
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| 25mg |
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| 50mg |
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| 100mg |
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Purity: ≥98%
BAY1125976 (BAY-1125976) is a novel, orally bioavailable and selective allosteric inhibitor of Akt1/Akt2 with potential anticancer activity. With IC50 values of 5.2 nM and 18 nM at 10 M ATP, respectively, it inhibits the activity of Akt1 and Akt2. In mouse models, BAY-1125976 shows high efficacy against AKT signaling-dependent tumor growth. By attaching to an allosteric binding pocket created by the kinase and PH domains, BAY 1125976 potently and specifically inhibited the activity of full-length AKT1 and AKT2. A large selection of human cancer cell lines were inhibited in vitro by BAY 1125976 for cell proliferation. In both cell line and patient-derived xenograft models, such as the KPL4 breast cancer model (PIK3CAH1074R mutant), the MCF7 and HBCx-2 breast cancer models, the AKTE17K mutant-driven prostate cancer (LAPC-4) and anal cancer (AXF 984) models, BAY 1125976 demonstrated significant in vivo efficacy.
| Targets |
Akt1 (IC50 = 5.2 nM, at 10 μM ATP); Akt2 (IC50 = 18 nM, at 10 μM ATP); Akt3 (IC50 = 427 nM, at 10 μM ATP)
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| ln Vitro |
BAY 1125976 inhibits activation of AKT in cell lines carrying the AKT-activating mutation E17K. In KU-19-19 bladder cancer cells activation by phosphorylation is inhibited at AKT1-S473 and 4EBPI-T70 with IC50 values of 35 and 100 nM, respectively. AKT1-S473, T308, and 4EBP1-T70 phosphorylation in the prostate cancer cell line LAPC-4 is inhibited by compounds with IC50 values of 0.8, 5.6, and 35 nM, respectively. BAY 1125976 treatment of LAPC-4 cells inhibits PRAS40 phosphorylation at T246 as a direct target of AKT1 activity with an IC50 of 141 nM. The breast cancer cell lines BT-474, T47D, MCF7, ZR-75-1, EVSA-T, MDA-MB-453, KPL-4, and BT20, as well as the prostate cancer cell lines LNCaP and LAPC-4, are all inhibited by BAY 1125976 with submicromolar IC50 values. Breast cancer luminal cell lines treated with BAY 1125976 exhibit a marked inhibition of cell proliferation[1].
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| ln Vivo |
In mice bearing KPL-4 tumors, BAY 1125976 treatment at various doses has powerful antitumor efficacy. After daily oral administration of either 25 or 50 mg/kg of BAY 1125976 with T/Cvolume ratios of 0.14 or 0.08, respectively, a distinct, statistically significant dose-response is seen. In MCF7-implanted nude mice, daily administration of 25 or 50 mg/kg BAY 1125976 significantly inhibits tumor growth when compared to the control, with T/Cvolume and T/Cweight values of 0.25 and 0.25, respectively. In vivo, BAY 1125976 exhibits strong antitumor activity in AKT1E17K mutated models[1].
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| Enzyme Assay |
PEG/water (60/40), pH 4.0, is used as a vehicle for BAY 1125976. The selectivity of BAY 1125976 is assessed using two different kinase panels: the 230 kinase panel; and the 468 kinase panel. In the 230 kinase panel, kinase activity is determined after incubation with 10 μM BAY 1125976. An additional incubation with 1 μM and 0.1 μM BAY 1125976 is performed for the kinases where 10 μM BAY 1125976 shows an inhibition over 70%. All tests are performed at 10 μM ATP. The 468-kinase panel covered AGC, CAMK, CMGC, CK1, STE, TK, TKL, lipid, and atypical kinase families. The profiling is performed by combining the test compound with DNA-tagged kinase and immobilized ligands. The final kinase concentrations are measured by quantitative PCR.
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| Cell Assay |
Mice: Female NMRI (nu/nu) mice s.c. injected with 3 x 106/100 μL KPL-4 breast cancer cells are used to study the mode-of-action of BAY 1125976. The treatment is started when tumors reaches 232-358 mm3 in size and the mice receive a single oral dose of 25 or 50 mg/kg BAY 1125976. For determination of plasma concentration-time profiles, blood is drawn from the animals at different time points after compound administration.
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| Animal Protocol |
Female 5-7 week old NMRI nude (nu/nu) mice, Male 8-10 week old SCID (scid/scid) mice, Female athymic nude Foxn1nu mice, Female 5-week-old Foxn1nu nude (nu/nu) mice.
5, 10, 15, 25, 50 mg/kg Oral gavage |
| References |
| Molecular Formula |
C23H21N5O
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|---|---|
| Molecular Weight |
383.4457
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| Exact Mass |
383.17
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| Elemental Analysis |
C, 72.04; H, 5.52; N, 18.26; O, 4.17
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| CAS # |
1402608-02-9
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| Related CAS # |
1402608-02-9;
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| Appearance |
Solid powder
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| SMILES |
O=C(C1=NN2C(C=C1)=NC(C3=CC=C(C4(N)CCC4)C=C3)=C2C5=CC=CC=C5)N
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| InChi Key |
JBGYKRAZYDNCNV-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C23H21N5O/c24-22(29)18-11-12-19-26-20(21(28(19)27-18)16-5-2-1-3-6-16)15-7-9-17(10-8-15)23(25)13-4-14-23/h1-3,5-12H,4,13-14,25H2,(H2,24,29)
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| Chemical Name |
Imidazo[1,2-b]pyridazine-6-carboxamide, 2-[4-(1-aminocyclobutyl)phenyl]-3-phenyl-
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| Synonyms |
BAY1125976; BAY 1125976; BAY-1125976
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
DMSO: 11~25 mg/mL (28.7 mM~65.2 mM)
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.52 mM) (saturation unknown) in 10% DMSO + 40% PEG300 +5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 + to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.6079 mL | 13.0395 mL | 26.0790 mL | |
| 5 mM | 0.5216 mL | 2.6079 mL | 5.2158 mL | |
| 10 mM | 0.2608 mL | 1.3040 mL | 2.6079 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
| NCT Number | Status | Interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
| NCT01915576 | Completed | Drug: BAY1125976 | Neoplasms | Bayer | September 2013 | Phase 1 |
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