Atabecestat (JNJ-54861911) is a potent, brain-penetrant, and orally active β-site amyloid precursor protein cleaving enzyme 1 (BACE1) inhibitor that achieves robust and high CSF Aβ reduction, is well-tolerated, and displays sustained pharmacokinetic (PK) and pharmacodynamic (PD) characteristics. Atabecestat (JNJ-54861911) has the potential for Alzheimer's Disease treatment[1].