PIM447 (LGH447)
Catalog No.S7985
Molecular Weight(MW): 476.92
PIM447 is a novel pan-PIM kinase inhibitor with Ki values of 6 pM, 18 pM, 9 pM for PIM1, PIM2, PIM3 respectively. It also inhibits GSK3β, PKN1, and PKCτ, but at a significantly lower potency with IC50 between 1 and 5 μM (>105-fold differential relative to the Ki on PIMs).
Cited by 1 publication
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Biological Activity
| Description | PIM447 is a novel pan-PIM kinase inhibitor with Ki values of 6 pM, 18 pM, 9 pM for PIM1, PIM2, PIM3 respectively. It also inhibits GSK3β, PKN1, and PKCτ, but at a significantly lower potency with IC50 between 1 and 5 μM (>105-fold differential relative to the Ki on PIMs). | ||||||
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| In vitro |
The kinase selectivity of PIM447 is first determined in biochemical assays for a panel of 68 diverse protein kinases that included PIM2 as well as 9 lipid kinases. In this panel, only PIM2 is significantly inhibited by PIM447 with an IC50 of <0.003 μM, the lowest sensitivity range for the assay. PIM447 also inhibits GSK3β, PKN1, and PKCτ, but at a significantly lower potency with IC50 between 1 and 5 μM (>105-fold differential relative to the Ki on PIMs). The biochemical IC50 for all other kinases tested in this panel is >9 μM. In follow-up cellular assays of GSK3β inhibition, PIM447 is tested up to 20 μM and is not active[1]. PIM447 is cytotoxic for myeloma cells due to cell-cycle disruption and induction of apoptosis mediated by a decrease in phospho-Bad (Ser112) and c-Myc levels and the inhibition of mTORC1 pathway. PIM447 also inhibits in vitro osteoclast formation and resorption, downregulates key molecules involved in these processes, and partially disrupts the F-actin ring, while increasing osteoblast activity and mineralization[2]. |
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| In vivo | Low to moderate in vivo CL is observed for PIM447 across species, as CL values of 20, 28, and 8 mL/min/kg are observed in mouse, rat, and dog, respectively. The volume of distribution is consistently large across species, with Vss of 5.3, 6.4, and 3.6 L/kg observed in mouse, rat, and dog, respectively. Additionally, PIM447 exhibits high oral bioavailability across species, as 84%, 70%, and 71% is observed in mouse, rat, and dog, respectively. The stability of PIM447 in human plasma is high, >90% after a 3 h incubation, and the human plasma protein binding of PIM447 is 95%. With the combination of potent in vitro activity and low to moderate CL, PIM447 demonstrates in vivo target modulation (pS6RP), single agent antitumor activity in a KG-1 AML mouse xenograft model, and druglike properties suitable for development[1]. PIM447 significantly reduces the tumor burden and prevents tumor-associated bone loss in a disseminated murine model of human myeloma[2]. |
Protocol
| Cell Research: |
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Solubility (25°C)
| In vitro | DMSO | 88 mg/mL (184.51 mM) |
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| Ethanol | 88 mg/mL (184.51 mM) | |
| Water | Insoluble |
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Chemical Information
| Molecular Weight | 476.92 |
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| Formula | C24H23F3N4O.HCl |
| CAS No. | 1210608-43-7(free base) |
| Storage | powder |
| in solvent | |
| Synonyms | N/A |
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Clinical Trial Information
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT02370706 | Active not recruiting | Myelofibrosis | Novartis Pharmaceuticals|Novartis | May 21 2015 | Phase 1 |
| NCT02160951 | Completed | Multiple Myeloma | Novartis Pharmaceuticals|Novartis | September 2014 | Phase 1 |
| NCT02144038 | Completed | Relapsed and Refractory Multiple Myeloma | Novartis Pharmaceuticals|Novartis | July 23 2014 | Phase 1 |
| NCT02078609 | Recruiting | AML and High Risk MDS | Novartis Pharmaceuticals|Novartis | March 20 2014 | Phase 1 |
| NCT01456689 | Active not recruiting | Multiple Myeloma | Novartis Pharmaceuticals|Novartis | April 25 2012 | Phase 1 |
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