7 results
The primary objective is to examine whether a memory impairment as a result of biperiden treatment (cholinergic M1 antagonist) will be increased by acute tryptophan depletion (ATD, a drink that decreases serotonin synthesis). In other words, we will…
To compare the effectiveness of 1) double dose of cyclopentolate and 2) one dose of cyclopentolate and one dose of tropicamide with 3 days, total 5 doses atropine.To investigate whether one dose of tropicamide combined with cyclopentolate is as…
The primary objective is to examine whether a memory impairment as a result of biperiden treatment (cholinergic M1 antagonist) can be reversed by rivastigmine (a cholinesterase inhibitor). Secondary, we will assess the effects of biperiden and…
• To determine the profile of CNS effects at several time points after 2 mg and 4 mg biperiden in comparison to placebo in healthy elderly subjects.• To investigate the safety and tolerability of biperiden in healthy elderly subjects.• To determine…
We will examine the cognitive performance of healthy young participants at different time points after a single administration of biperiden. The behavioural outcomes and electrophysiological correlates will be linked with the serum levels of…
- Characterization of the CNS PD profile of IV administered biperiden- Characterization of the pharmacokinetic profile of IV administered biperiden- To confirm the plasma concentration-effect relationship of biperiden using population PK-PD modeling…
The primary objective of this study is to evaluate the efficacy of psilocybin (25 mg or 10 mg) compared to 1 mg, administered under supportive conditions to adult participants with TRD, in improving depressive symptoms, as assessed by the change in…