12 results
The primary goal of this study is to investigate the effect of low doses of mirtazapine and quetiapine on sleep, assessed using polysomnography and subjective sleep measures, of healthy subjects whose sleep will be disturbed by auditory stimuli (…
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 test an acellular dermal template (Novomaix) in human patients in need of full thickness skin defect coverage and to compare the results with those obtained after conventional STSG. The main goals are to study the efficacy and scar quality after…
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 ObjectivesThe primary objective is to assess the efficacy (primarily through time to relapse) of long-acting injectable (LAI) paliperidone palmitate compared to treatment as usual with orally administered antipsychotics in monotherapy over…
Primary study objective Is the reduction of 1 to several antipsychotic antipsychotic associated with more relapse? Relapse is measured with the Brief Psychiatric Rating Scale (BPRS) and is defined as: - An absolute increase of> 2 on one of…
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…
Primary objective:The primary objective of this study is to evaluate the efficacy of flexibly dosed esketamine nasal spray compared with quetiapine extended-release(XR), both in combination with a continuing selective serotonin reuptake inhibitor (…
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,…