- THYROID HORMONE RECEPTOR BETA AGONIST COMPOUNDS
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Provided herein are compounds, preferably thyroid hormone receptor beta (THR beta) agonist compounds, compositions thereof, and methods of their preparation, and methods of agonizing THR beta and methods for treating disorders mediated by THR beta.
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- THYROID HORMONE RECEPTOR BETA AGONIST COMPOUNDS
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Provided herein are compounds, preferably thyroid hormone receptor beta (THR beta) agonist compounds, compositions thereof, methods of their preparation, and methods of agonizing THR beta and methods for treating disorders mediated by THR beta.
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- Selective thyroid hormone receptor β agonists with oxadiazolone acid isosteres
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Use of the oxadiazolone acid isostere in triiodothyronine analogs yielded potent and selective agonists for the thyroid hormone receptor β. Selected examples showed good in-vivo efficacy in a rat hypercholesterolemic model. One compound was further profiled in a diet-induced mouse model of nonalcoholic steatohepatitis (NASH) and showed robust target engagement and significant histological improvements in both liver steatosis and fibrosis.
- Kirschberg, Thorsten A.,Jones, Christopher T.,Xu, Yingzi,Fenaux, Martijn,Halcomb, Randall L.,Wang, Yujin,Klucher, Kevin
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- Discovery of 2-[3,5-dichloro-4-(5-isopropyl-6-oxo-1,6-dihydropyridazin-3- yloxy)phenyl]-3,5-dioxo-2,3,4,5-tetrahydro[1,2,4]triazine-6-carbonitrile (MGL-3196), a highly selective thyroid hormone receptor β agonist in clinical trials for the treatment of dyslipidemia
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The beneficial effects of thyroid hormone (TH) on lipid levels are primarily due to its action at the thyroid hormone receptor β (THR-β) in the liver, while adverse effects, including cardiac effects, are mediated by thyroid hormone receptor α (THR-α). A pyridazinone series has been identified that is significantly more THR-β selective than earlier analogues. Optimization of this series by the addition of a cyanoazauracil substituent improved both the potency and selectivity and led to MGL-3196 (53), which is 28-fold selective for THR-β over THR-α in a functional assay. Compound 53 showed outstanding safety in a rat heart model and was efficacious in a preclinical model at doses that showed no impact on the central thyroid axis. In reported studies in healthy volunteers, 53 exhibited an excellent safety profile and decreased LDL cholesterol (LDL-C) and triglycerides (TG) at once daily oral doses of 50 mg or higher given for 2 weeks.
- Kelly, Martha J.,Pietranico-Cole, Sherrie,Larigan, J. Douglas,Haynes, Nancy-Ellen,Reynolds, Charles H.,Scott, Nathan,Vermeulen, John,Dvorozniak, Mark,Conde-Knape, Karin,Huang, Kuo-Sen,So, Sung-Sau,Thakkar, Kshitij,Qian, Yimin,Banner, Bruce,Mennona, Frank,Danzi, Sara,Klein, Irwin,Taub, Rebecca,Tilley, Jefferson
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p. 3912 - 3923
(2014/06/09)
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- PYRIDAZINONE DERIVATIVES AS THYROID HORMONE RECEPTOR AGONISTS
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Provided herein are compounds of the formula (I): as well as pharmaceutically acceptable salts thereof, wherein the substituents are as those disclosed in the specification. These compounds, and the pharmaceutical compositions containing them, are useful for the treatment of diseases such as obesity, hyperlipidemia, hypercholesterolemia and diabetes and other related disorders and diseases, and may be useful for other diseases such as NASH, atherosclerosis, cardiovascular diseases, hypothyroidism, thyroid cancer and other disorders and diseases related thereto.
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Page/Page column 136
(2008/06/13)
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