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2021 - Discovery of the First Orally Available, Selective KNa1.1 Inhibitor: In Vitro and In Vivo Activity of an Oxadiazole Series

icon sp96  SyncroPatch 384 Publication in ACS Medicinal Chemistry Letters (2021)

Authors:
Griffin A. M., Kahlig K. M., Hatch R. J., Hughes Z. A., Chapman M. L., Antonio B., Marron B. E., Wittmann M., Martinez-Botella G.

Journal:

ACS Medicinal Chemistry Letters (2021) doi:10.1021/acsmedchemlett.0c00675


Abstract: 

The gene KCNT1 encodes the sodium-activated potassium channel KNa1.1 (Slack, Slo2.2). Variants in the KCNT1 gene induce a gain-of-function (GoF) phenotype in ionic currents and cause a spectrum of intractable neurological disorders in infants and children, including epilepsy of infancy with migrating focal seizures (EIMFS) and autosomal dominant nocturnal frontal lobe epilepsy (ADNFLE). Effective treatment options for KCNT1-related disease are absent, and novel therapies are urgently required. We describe the development of a novel class of oxadiazole KNa1.1 inhibitors, leading to the discovery of compound 31 that reduced seizures and interictal spikes in a mouse model of KCNT1 GoF.


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