9 results
To investigate effect of tizanidine ER 12 mg on simulated driving performance, cognitive and psychomotor functions compared with placebo, tizanidine IR 8 mg (two 4 mg doses given 6.5 hours apart) and active-control in healthy subjects
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.
Primary Objectives:- To investigate the effects of a single dose (plasma concentration) 5-HTP challenge test (5-HTP200mg/CBD100+50mg/granisetron2mg) on hypothalamic fMRS activation patterns in healthy male volunteers.Secondary Objectives:- To assess…
To examine the effect of L-dopa addition to optimal D2-blocking antipsychotic treatment on positive symptoms, negative symptoms, cognitive symptoms and extrapyramidal symptoms in schizophrenia.
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:1. To establish the effect of MCP on the release of plasma AVP and subsequent ACTH and cortisol secretion in the absence of a 5HTP-challenge.2. To establish the effect of MCP on the release of plasma AVP and subsequent ACTH and cortisol…
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 evaluate the FVIIa activity PK of 2 CSL689 dose levels in subjects with congenital FVII deficiency- to determine the PK characteristics of FVIIa activity of CSL689- to evaluate the safety and tolerability of intravenous administration of CSL689