9 results
The study consists of two phases. In the first phase, we aim to investigate whether the dopamine receptor D4 (DRD4) genotype confers differential susceptibility to the effects of early life stress on empathy and prosocial behavior more generally in…
Primary Objective: To assess the effect of treatment with three doses of botulinum toxin type-A (Dysport®) versus placebo on the number of episodes of urgency and frequency of micturition experienced in continent female subjects with idiopathic…
The objectives are to:A. Identify subjects with VWD who may benefit from prophylaxis by determining patterns of bleeding prior to evaluation for enrollmentB. Study the effect of prophylaxis on bleeding frequencyC. Establish optimal treatment…
To investigate the effects of galantamine on cognitive impairment and visual hallucinations in Parkinson`s disease, both therapeutic (direct effect) and preventive (protection against an acute increase of dopaminergic medication used by the patient…
To replicate and extend the findings of the recent methylphenidate study in which methylphenidate was found to enhance episodic memory performance; To explore whether this effect of methylphenidate is primarily mediated by its dopaminergic action.
to assess whether a single-dose of levodopa improves cognitive symptoms and balances goal-directed and habitual behavior.
The aim of this study is to improve our understanding of the mechanisms underlying altered social performance monitoring from a pharmacological perspective by directly comparing the effects of dopamine and oxytocin on individual and social…
This is a medical-scientific research study. The purpose of the study is to investigate the effect of multiple doses of the study compound BIA 28-6156 on the pharmacokinetics of the drugs levodopa-carbidopa (Group 1) and levodopa-benserazide (Group…
To investigate whether early treatment with levodopa has a delayed beneficial effect on PD symptoms and functional health, and improves the ability to (maintain) work, reduces the use of (informal) care, caregiver burden, and costs. Additionally,…