9 results
to assess whether a single-dose of levodopa improves cognitive symptoms and balances goal-directed and habitual behavior.
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 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 estimate the efficacy of erlotinib administered as a single agent to chemo-naïve NSCLC patients as determined by the non progression rate (NPR) at 8 weeks.
Earlier studies suggest that Gaviscon alters the position of the acid pocket, as the number of acid reflux episodes decreased but the number of nonacid reflux events almost doubled after drug intake. (8) However, until now the formation of the raft…
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,…