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A randomized, multicentre, double-blind, parallel, sham-controlled study of the gammaCore®, a non-invasive neurostimulator device for the acute relief of episodic and chronic cluster headache.

Primary Objective:The primary objective is to compare the pain free rates at 15 minutes following the use of GammaCore® with that of a sham device, for acute treatment of cluster headache attacks.Secondary Objectives:The secondary objectives will…

The RVCL-ID study - Identifying biomarkers and disease stages of Retinal Vasculopathy with Cerebral Leukodystrophy (RVCL), a monogenic vascular migraine model

1. To identify presymptomatic and symptomatic profiles including (early) disease stages and early biomarkers of disease progression and to elucidate pathophysiological mechanisms, we will investigate RVCL patients at different ages (both symptomatic…

Changes in vasoreactivity in migraine and syncope

1. Is there a decreased total peripheral resistance in supine patients with VVS after challenging them with nitroglycerine? 2. Is there a decreased total peripheral resistance in migraine after infusion of nitroglycerine? 3. What is the relation…

The RVCL-MRI study: neuroimaging findings and cerebrovascular reactivity in preclinical and clinical disease stages of Retinal Vasculopathy with Cerebral Leukodystrophy (RVCL), in migraine patients and healthy controls.

1. To assess neuroimaging hallmarks of RVCL disease stages;2. To evaluate cerebrovascular reactivity as a biomarker of endothelial (dys)function in RVCL patients, in migraine patients and healthy controls;3. To identify shared pathophysiological…

Pharmacokintetics, safety and tolerability study of subcutaneous Rizatriptan (DFN-10) in healthy subjects

The purpose of Part A is to investigate how quickly and to what extent Rizatriptan in DFN-10 is absorbed and eliminated from the body (this is called pharmacokinetics). In addition, it will be investigated to what extent DFN-10 is tolerated.In Part…

The development of electrophysiological readouts for migraine attack prediction

The overall objective of this study is to combine a conceptual model with empirical evidence to demonstrate that the start of a migraine attack corresponds to a critical transition that occurs when the dynamical brain system approaches a tipping…