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Effects of methylphenidate on resting state connectivity in healthy controls and in adults with Attention Deficit Hyperactivity Disorder.

Primary Objective:The primary objective in the current trial is to use graph theory to examine how the organization of the functional brain network may be altered by the administration of methylphenidate. The main question we intend to answer in…

A Randomized, Double-Blind, Placebo-Controlled, 2-Period Crossover Study to Evaluate the Effect of Intranasal Esketamine on Cognitive Functioning in Healthy Subjects

To evaluate the effect of intranasal esketamine 84 mg on cognition, and duration of cognitive effects (if present), as assessed using a computerized test battery (Cogstate®).

A single-center, open-label, randomized, 3-way crossover study to compare the rate and extent of Rivastigmine absorption from two different formulations of 7 day Rivastigmine transdermal systems (7-day RTS) with 24-hour Exelon® patches applied daily for 7 days in healthy male and female subjects.

To compare the rate and extent of rivastigmine absorption from two different formulations of 7-day rivastigmine transdermal systems (7-day RTS) with 24-hour Exelon® patch applied daily for 7 days in healthy adult male and female subjects.To assess…

The influence of Eye Movement treatment on imagery in psychosis

The objective of this study is to see wether the use of eye movement (EMDR) reduces the emotionality en vividness of imagery (mental images) above 'recall only'. This is a first study which may be the predecessor of a larger study, in…

A Double-blind, Randomized, placebo-controlled, 3-way crossover study to eValuate the single dose Effects of Intranasal eSketamine on saFety of on-road driving in healthy subjects(DRiVE SaFe)

The objective of this study is to investigate whether subjects who have taken esketamine, will be able to drive a car as soon as their cognitive function has been restored. The residual effects on driving performance will be compared to placebo.…

A single dose, 4-way crossover, double-blind, placebo-controlled, randomized study to investigate the effect of JNJ-42847922 on polysomnography (PSG) measures in subjects with major depressive disorder with insomnia who are stably treated with antidepressants.

Primary ObjectiveTo evaluate the effect of JNJ-42847922 on sleep latency (latency to persistent sleep [LPS]) in MDD subjects, stably treated with an SSRI/SNRI, who suffer from insomnia.Secondary Objectives* To investigate the safety, tolerability,…

The efficacy of the walk-bike on quality of life and exercise capacity in patients with idiopathic pulmonary fibrosis: a pilot study.

Primary objective• To assess the effect of use of a walk-bike in IPF patients for 8 weeks on health-related quality of life, measured with the St. George Respiratory Questionnaire, at baseline, week 9 and week 18, in patients with IPF.Secondary…

Can Methylphenidate (Ritalin) improve memory and attention in mild cognitive impairment? An EEG study

We aim to examine, in the impaired older population, whether a treatment using methylphenidate, a DA re-uptake inhibitor that enhances DA, improves attention and memory.

A randomized, open label balanced two period, two-treatment, two-sequence crossover study to evaluate the effect of food on the pharmacokinetics of buspirone after a single oral administration of Lybridos in healthy female subjects

Primary objective1. To determine the effect of food on the pharmacokinetics of buspirone administered as the Lybridos formulationSecondary objective1. To evaluate the safety and tolerability of a single dose of Lybridos under fasted and fed…

A randomized, cross-over, dose-response trial of tyrosine and its effect on working memory in healthy elderly and young people

The primary objective is to choose the dose (100, 150 or 200 mg/kg body weight) of tyrosine that shows the highest increase in plasma tyrosine concentration, based on comparison of the dose-response curves, in elderly. These dose-response curves…

Degrading traumatic memories, a functional MRI study in PTSD

To extend our understanding of brain mechanisms involved in intrusive memory degrading by eye movement during recall of traumatic memories in the treatment of PTSD.Brain areas involved in visual imagery are well-documented, and comprise the primary…

Neuro-cognitive effects of tyrosine supplementation in healthy older adults:
A fNIRS-EEG study

We aim to assess the effects of tyrosine supplementation on prefrontal brain activation, as measured by a combination of fNIRS and EEG, during response inhibition and working-memory performance in older adults. We will also assess whether…

The role of the endocannabinoid system in Attention-Deficit/Hyperactivity Disorder and symptoms: a pharmacological fMRI study

To establish if and how the endocannabinoid system is involved in ADHD and related symptoms. This will be investigated by assessing the acute effects of a cannabinoid agonist (THC) on brain function related to ADHD and ADHD symptoms.

The influence of GINkGo biloba on the pharmacokinetics of the UGT substrate raltEgraviR (GINGER)

To determine the effect of chronic use of ginkgo biloba on the single-dose pharma-cokinetics (AUC0-inf, AUC0-12, Cmax, C12) of raltegravir 400mg in healthy volunteers.

Visual Thinking Strategies, applied as treatment for people with chronic acquired brain injury.

Investigate whether critical thinking of people with executive function deficits as a result of brain damage can improve by VTS.

A double-blind, randomized, three-way cross-over trial to develop a pharmacologic challenge with ketamine.

The objectives are to assess the pharmacokinetic and pharmacodynamic effects of sub-anesthetic ketamine administration, to assess the optimal dose of ketamine and gender differences, to compare different oucome measures for psychomimetic symptoms…

Pharmacokinetics in Plasma and Saliva of a Single Dose Immediate- or Extended-Release Methylphenidate in Healthy Volunteers.

To establish the pharmacokinetic profiles of saliva and plasma concentration of 10 mg MPH-IR and 18 mg MPH-OROS in healthy volunteers; to investigate whether there is a correlation between saliva- and plasma levels of MPH-IR and MPH-OROS, and if…

Effects of light therapy on sleep, melatonin rhythm and mood in hemodialysis

Measuring the effects of light therapy during hemodialysis on objective en subjective sleep parameters, sleepiness during dialysis, mood and melatonin rhythm. De results of this pilot study can be used to design a larger study on light therapy in…

A double-blind, randomized, placebo-controlled, proof of concept study to investigate the differences between the combined administration of 0.5 mg sublingual testosterone and 10 mg buspirone and 10 mg buspirone administration alone in women with hypoactive sexual desire disorder

To investigate the differences between the combined administration of 0.5 mg sublingual testosterone and 10 mg buspirone and 10 mg buspirone administration alone in increasing sexual satisfaction during sexual activity in the domestic setting in…

The effectiveness of mindfulness based cognitive therapy (MBCT) in adults with chronic, therapy resistant depression in a mental healthcare setting?

The aim of this study is to examine whether MBCT is also effective in patients with chronic, treatment-resistant depression in a mental healthcare setting.