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Clinical Trial Summary

People with POTS, autoimmune autonomic neuropathy (AAN), pure autonomic failure (PAF), SFN and Ehlers Danlos Syndrome (EDS) do not only suffer from orthostatic symptoms such as dizziness, headache, neck pain, blurred vision or (pre-) syncope. They also experience deficits in attention and concentration (more precisely deficits in selective perspective, operating speed, executive functions and memory performance) mainly in upright position. Only few studies concerning cognitive impairment in autonomic neuropathies, their frequency, aetiology and therapy exist. Many patients concerned, especially with POTS, report attention deficits and "brain fog" with problems in their everyday life and work, predominantly in upright posture. Specific symptomatic or medical therapies do not exist. Medical treatment with Modafinil is discussed and part of a current study at Vanderbilt Autonomic Dysfunction Centre (1-5). The investigators want to investigate if problems of concentration, attention and/or cognitive dysfunction exist in people with POTS, AAN, SFN and EDS compared to healthy controls (HC). Thus the investigators use detailed clinical, autonomic and neuropsychological tests in different body positions (lying, sitting and standing) as also acute therapy (leg crossing).


Clinical Trial Description

We are still recruting healthy controls and patients with autoimmune autonomic neuropathy in order to perform titl table examination and laboratory testing on day one, ono an empty stomach, without morning medication. Cognitive testing is performed on day two after randomization in three groups: lying, standing and standing with legs crossed. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03681080
Study type Interventional
Source RWTH Aachen University
Contact
Status Completed
Phase N/A
Start date April 1, 2017
Completion date May 30, 2023

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