2 results
Approved WMOCompleted
In this study we will compare the effect of intra nodal allegen injection with grass pollen to the intra nodal injection with placebo on symptome scores of allgic rhinitis (hay fever) in grass allergic patients.
Approved WMOCompleted
The primary objective is to examine whether vardenafil (a PDE-5 inhibitor) can improve the cognition of healthy young volunteers. Secondary, we will assess the effects of vardenafil on electrophysiological correlates of cognition.