UE2343 (UE-2343, Xanamem) is a potent, orally bioavailable, brain penetrant 11β-HSD1 inhibitor with IC50 of 24 nM in cell-free assays, with no activity for isozyme 11β-HSD2; displays a superior preclinical profile for further development, and shows potential for cognitive impairment in early Alzheimer's disease (AD).