In vitro potency and preclinical pharmacokinetic comparison of all-D-enantiomeric peptides developed for the treatment of Alzheimer’s disease Manuscript Number: 18-0165R1 Author(s): Oleksandr Brener, Anne Elfgen, Ian Gering, Dominik Honold, Janine Kutzsche, Karl-Josef Langen, Nicole Niemietz, Elena Schartmann, Sarah Schemmert, Nadim Joni Shah, Markus Tusche, Dieter Willbold, Antje Willuweit, Tamar Ziehm