9 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.
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…
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…
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…
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…
The main objective of this study is to assess the efficacy of tepotinib combined with osimertinib inparticipants with advanced or metastatic EGFRm+ NSCLC and MET amplification, determined centrally by FISH.The secondary objectives are the following:…
PART 1Cohort A (METex14 skipping alterations):• To assess the efficacy of tepotinib in subjects with locally advanced or metast. (NSCLC), harboring the METex14 skipping alterations or MET amplif., as per objective response acc. to RECIST v.1.1,…
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,…