10 results
to assess whether a single-dose of levodopa improves cognitive symptoms and balances goal-directed and habitual behavior.
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.
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…
To evaluate the effect on sleep and ptsd of the drug Doxazosin Retard in patients with PTSD who also have sleep problems.
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…
Primary:To compare the efficacy of asciminib versus Investigator selected TKI with respect to the proportion of patients that are in Major Molecular Response at Week 48. To compare the efficacy of asciminib versus Investigator selected TKI, within…
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,…
The objective of this study is to evaluate the safety and efficacy of the AccuCinch Ventricular Restoration System in patients with symptomaticheart failure with reduced ejection fraction (HFrEF).