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Study on the effect of biperiden and donepezil on attention and memory in healthy elderly people

Primary objective• Assess the ability of donepezil to reverse biperiden-induced effects on adaptive tracking performance at timepoint 4h Secondary objectives• Evaluate the PK of donepezil and biperiden• Investigation of pro-cholinergic effects of…

Establishing a Controlled Human Infection Model with the Chikungunya live attenuated vaccine VLA1553 in healthy volunteers

The main objective of this study is to establish a controlled human infection model for Chikungunya using the VLA1553 vaccine.Primary objectives:- To assess the infection rate induced by a single administration of the VLA1553 vaccine- To assess the…