Clinical trials: Glymphatic System
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 Deprivation, Sleep Wake Disorders
Effects of Sleep Deprivation and Adrenergic Inhibition on Glymphatic Flow in Humans
The project is aimed at identifying how the adrenergic antagonist 'carvedilol' modulates the effects of sleep deprivation in healthy volunteers. The study is a double-blind, randomized, placebo-controlled, cross-over study.
- Conditions
- Sleep Deprivation, Sleep Wake Disorders, Sleep
- Trial name
- NCT03576664
- Testing
- Carvedilol 25mg
- Where
- Denmark
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Gitte Moos Knudsen
Idiopathic Normal Pressure Hydrocephalus (INPH), Gait Disorders, Neurologic
Unsteady Gait in Older People May be a Common and Treatable Neurological Disease Associated With Increased Mortality
We live in an aging population and a third of the older population has a gait disorder that may cause institutionalization, and increased mortality.
- Conditions
- Idiopathic Normal Pressure Hydrocephalus (INPH), Gait Disorders, Neurologic, Gait Disorders in Old Age
- Trial name
- VESPR2 (NCT07137403)
- Where
- Sweden
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- Umeå University
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
Postoperative Delirium (POD)
The Study of Postoperative Delirium and Glymphatic System Function in Cardiac Surgery
Postoperative delirium after cardiac surgery is an acute cerebral dysfunction characterized by inattention, impaired consciousness, and cognitive and orientation disturbances.
- Trial name
- Delirium (NCT06901479)
- Testing
- Blood was drawn for proteomics testing and Magnetic Resonance Imaging.
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Nanjing First Hospital, Nanjing Medical University
Clinically Isolated Syndrome
Glymphatic MRI in Clinically Isolated Syndrome
The brain possesses a system to get rid of unwanted substances, named Glymphatic System (GS). When this system is faulty, these accumulate, there is local inflammation, and progressive death of the cells.
- Trial name
- NCT06274671
- Testing
- Magnetic Resonance Imaging
- Where
- 2 sites in United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Exeter
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
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
Parkinson Disease
Quantitative Imaging of Brain Glymphatic Function in Humans
Recent immunological and physiological studies have provided evidence in support of a central nervous system (CNS) lymphatic drainage system in vertebrate animals, and preliminary evidence has suggested that a similar system…
- Trial name
- NCT04768101
- Testing
- [11C]-PIB
- Where
- United States
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
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
Aging and Exercise Impacts on Glymphatic Function
Aging and Exercise Impacts on Glymphatic Function
This is a prospective, interventional, non-blinded, single center research project that will recruit cognitively unimpaired subjects in the 25-55 year old and 55-75 year old range.
- Trial name
- NCT07775196
- Testing
- Acute Aerobic exercise
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Neuroinflammation, Autism Spectrum Disorder
Imaging - Clinical Evaluation of Altered Nervous System Drainage
The current study aims to evaluate the aspects of perfusion, fluid diffusivity in the interstitium and the T1 and T2 signal of the PVS and WMH.
- Trial name
- I-CLEANED (NCT06432023)
- Testing
- Magnetic resonance imaging
- Where
- Italy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- IRCCS Eugenio Medea
Primary Brain Neoplasm
An Exercise Intervention for Improving Mental and Physical Health in Patients With Primary Brain Tumors and Their Caregivers, ET-NEURO Trial
This clinical trial evaluates the effects of a partnered exercise program, called Exercise Together, on participants with primary brain tumors and their caregivers.
- Trial name
- NCT07278440
- Testing
- Electronic Health Record Review, Magnetic Resonance Imaging, Questionnaire Administration
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- OHSU Knight Cancer Institute
Hydrocephalus, Normal Pressure Hydrocephalus
The Role of the Glymphatic System Avaluated Thourgh mr Imaging in the Diagnosis and Management of NPH
The goal of this observational study is to evaluate the role of DTI-ALPS in the diagnostic and therapeutic management of NPH The main questions it aims to answer are: Whether the glymphatic system (GS) is actually impaired in NPH…
- Trial name
- GLINFANPH_2021 (NCT06857136)
- Where
- Italy
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta
Parkinson Disease (PD)
Synthetic Vasomotion for Glymphatic Enhancement
The goal of this pilot clinical trial is to learn whether a week-long study combining controlled breathing procedures, intermittent exposure to a low-concentration carbon dioxide gas mixture, and noninvasive vagus nerve…
- Trial name
- NCT07814534
- Testing
- Active noninvasive vagus nerve stimulation, Active intermittent hypercapnia, Guided breathing
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Florida Institute for Human and Machine Cognition
Alzheimer Disease
Pharmacological Enhancement of Glymphatic Function in Humans
Alzheimer's disease is linked in part to the buildup of harmful proteins in the brain, including amyloid and tau. Most current treatments aim to remove these proteins directly.
- Trial name
- NCT07432997
- Testing
- Dexmedetomidine, Dexmedetomidine and Midodrine
- Where
- 2 sites in United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Applied Cognition
Glymphatic System, Neurodegeneration
Acute Effects of Vigorous-intensity Aerobic Exercise on Glymphatic Flow in Healthy Adults
This study investigates changes in glymphatic flow in the brain acutely after vigorous-intensity steady-state aerobic exercise. Twenty subjects (10 male and 10 female) perform 25 minute submaximal cycle ergometry exercise and the…
- Trial name
- GLYMREG (NCT04255758)
- Testing
- Cycle Ergometer Exercise
- Where
- Finland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Turku University Hospital
Osteopathic Manipulative Treatment (OMT) Effects on Cerebrospinal Fluid (CSF) Dynamics
Exploring How Osteopathic Manipulative Treatment May Affect Spinal Fluid Flow: An MRI Study
his study aims to investigate whether Osteopathic Manipulative Treatment (OMT) affects cerebrospinal fluid (CSF) flow and glymphatic clearance in the human brain.
- Trial name
- NCT07629765
- Testing
- Osteopathic Manipulative Treatment (OMT)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Edward Via Virginia College of Osteopathic Medicine
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
Migraine
Study of the Glymphatic System in Migraine
This study aimed to investigate the role of the glymphatic system in the initiation of migraine attacks, using non-invasive magnetic resonance imaging techniques and a validated model of migraine induction by nitroglycerin…
- Trial name
- NCT05907655
- Testing
- Nitroglycerin 0.3 MG, MRI, Blood sampling
- Where
- Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele