Discovery of isoxazole analogues of sazetidine-A as selective alpha4beta2-nicotinic acetylcholine receptor partial agonists for the treatment of depression.

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Liu J, Yu LF, Eaton JB, Caldarone B, Cavino K, Ruiz C, Terry M, Fedolak A, Wang D, Ghavami A, Lowe DA, Brunner D, Lukas RJ, Kozikowski AP

Discovery of isoxazole analogues of sazetidine-A as selective alpha4beta2-nicotinic acetylcholine receptor partial agonists for the treatment of depression.

J Med Chem. 2011 Oct 27;54(20):7280-8. doi: 10.1021/jm200855b. Epub 2011 Sep 30.

PubMed ID
21905669 [ View in PubMed
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Abstract

Depression, a common neurological condition, is one of the leading causes of disability and suicide worldwide. Standard treatment, targeting monoamine transporters selective for the neurotransmitters serotonin and noradrenaline, is not able to help many patients that are poor responders. This study advances the development of sazetidine-A analogues that interact with alpha4beta2 nicotinic acetylcholine receptors (nAChRs) as partial agonists and that possess favorable antidepressant profiles. The resulting compounds that are highly selective for the alpha4beta2 subtype of nAChR over alpha3beta4-nAChRs are partial agonists at the alpha4beta2 subtype and have excellent antidepressant behavioral profiles as measured by the mouse forced swim test. Preliminary absorption, distribution, metabolism, excretion, and toxicity (ADMET) studies for one promising ligand revealed an excellent plasma protein binding (PPB) profile, low CYP450-related metabolism, and low cardiovascular toxicity, suggesting it is a promising lead as well as a drug candidate to be advanced through the drug discovery pipeline.

DrugBank Data that Cites this Article

Binding Properties
DrugTargetPropertyMeasurementpHTemperature (°C)
NicotineNeuronal acetylcholine receptor subunit beta-2IC 50 (nM)430N/AN/ADetails
NicotineNeuronal acetylcholine receptor subunit beta-2EC 50 (nM)290N/AN/ADetails