Clinical trials: Glymphatic System
Glymphatic System
Glymphatic Pathway in Brain Imaging
To investigate the pathways of Gadolinium-based contrast agent (GBCA) in different brain compartments and evaluate correlations of GBCA enhancement with specific diseases.
- Trial name
- NCT05035251
- Where
- Germany
- Volunteers
- 60 people
- Sponsor
- Paracelsus Medical University
Mild Traumatic Brain Injury, Post Concussion Syndrome
Non-invasive Stimulation of the Glymphatic System for Slowing Cognitive Decline
The purpose of this research is to demonstrate that mild stimulation of a nerve (trigeminal nerve) in the head can modulate blood flow in the brain.
- Trial name
- NCT07044596
- Testing
- Functional near-infrared spectroscopy (fNIRS), V1 stimulation electrodes, Magnetic Resonance Imaging (MRI)
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Sleep, Glymphatic System
Sleep and Performance
This research is being done to apply new, contrast-free MRI (Magnetic Resonance Imaging) methods to understand the brain's waste clearance system (the "glymphatic" system) in younger adults.
- Trial name
- MTEC Phase 2 (NCT07608614)
- Testing
- Transcranial Electric Stimulation
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Washington
Cerebral Amyloid Angiopathy
Stimulating Amyloid Clearance in Cerebral Amyloid Angiopathy
A pre-post study will be conducted to assess whether treatment with LXB, nVNS or a combination of both interventions can enhance the clearance of Aβ in patients with CAA.
- Trial name
- Clear-Brain (NCT06421532)
- Testing
- XYWAV, gammaCore Sapphire
- Where
- Netherlands
- Volunteers
- 60 people
- Sponsor
- Leiden University Medical Center
Brain Diseases
Physical Activity, Sleep and Brain Health Based on the Glymphatic System
This study is aiming to analyze the impact of physical activity on neurohydrodynamics and glymphatic activity on young adults. This study is designed as a multicenter descriptive observational study with information collection at…
- Trial name
- NCT06378515
- Testing
- Physical activity, postural changes and cognitive tasks
- Where
- Spain
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- University of Valencia
Healthy
Glymphatic Kinetics In Healthy Adult Volunteers
This study is being done in order to see how gadolinium-based MRI contrast (Magnevist) travels through the central nervous system (CNS) when injected through the spinal column, and to compare differences between two age groups…
- Trial name
- NCT03218111
- Testing
- MR Imaging, CT-guidance
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Alzheimer's Disease (AD)
Prospective Single-Arm Safety Study of Cervical LVA in AD Patients
Official Title Prospective Single-Arm Safety Study of Cervical Lymphaticovenular Anastomosis (LVA) in Patients with Alzheimer's Disease Purpose of the Study Researchers are conducting this study to see if a minimally invasive…
- Trial name
- Neck LVA (NCT07458620)
- Testing
- Supermicrosurgical Lymphaticovenular Anastomosis (LVA)
- Where
- Taiwan
- Volunteers
- 35 people
- Sponsor
- Chang Gung Memorial Hospital
Obstructive Sleep Apnea, Dementia
The Effect of OSA on Brain Waste Clearance
Recent ground-breaking research has shown that clearance of toxic neuro-metabolites from the brain including the proteins β-Amyloid (Aβ) and tau that form dementia causing plaques and tangles is markedly impaired when sleep is…
- Conditions
- Obstructive Sleep Apnea, Dementia, Cognitive Impairment
- Trial name
- NCT05606991
- Testing
- CPAP Withdrawal
- Where
- Australia
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Woolcock Institute of Medical Research
Cerebral Venous Sinus Thrombosis
Glymphatic Function and White Matter Integrity in Cerebral Venous Disorders
Cerebral venous disorders, including cerebral venous sinus stenosis (CVSS) and cerebral venous sinus thrombosis (CVST), can obstruct venous blood drainage, leading to intracranial hypertension.
- Trial name
- NCT07072663
- Testing
- Baseline and 3-month follow-up, Baseline
- Where
- China
- Volunteers
- 149 people, healthy volunteers welcome
- Sponsor
- Xuanwu Hospital, Beijing
Alzheimer's Disease (AD)
Amyloid-β Clearance Mechanisms in Alzheimer's Disease
The focus of this study is to examine the protein-plaque clearance (Aß) in relation to the blood-brain-barrier, the glymphatic system, brain lymphatic system and enzymatic degradation.
- Trial name
- AmyClearAD (NCT05059158)
- Testing
- positron emission tomography (PET)
- Where
- Germany
- Volunteers
- 60 people
- Sponsor
- Ludwig-Maximilians - University of Munich
Parkinson Disease, Sleep
Quantitation of Glymphatic Functioning in Sleep and Meditative States
This involves development and application of magnetic resonance imaging (MRI) methods for visualizing hemodynamic and metabolic relationships in healthy volunteers with advanced meditation experience.
- Trial name
- NCT04506892
- Testing
- Meditation
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center