Clinical trials: Autonomic Dysregulation
Postural Orthostatic Tachycardia Syndrome
Phenotyping of Postural Orthostatic Tachycardia Syndrome (POTS)
This is an observational study to deeply phenotype the disorder of POTS using multiple testing modalities.
- Trial name
- NCT06292104
- Testing
- multimodal diagnostic testing
- Where
- United States
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Complex Regional Pain Syndrome Type I
Longitudinal Follow-up Study About Complex Regional Pain Syndrome (CRPS) Patients
Complex regional pain syndrome (CRPS) is a post-traumatic chronic pain condition characterized by pain and other symptoms typically affecting a distal limb.
- Trial name
- NCT04703647
- Testing
- Administration of questionnaires for prospective group, Blood samples for prospective group, Blood samples for control group
- Where
- Switzerland
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Clinique Romande de Readaptation
Autonomic Dysfunction
Cardiac Autonomic Modulation in Older Hypertensive Individuals Submitted to Different Types of Physical Training
Sixty-one sedentary older hypertensive individuals were randomized to four groups: continuous aerobic training (CA), interval aerobic training (IA), resistance training (R), and control (C) group.
- Trial name
- NCT05135247
- Testing
- Exercise
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Hypoglycemia, Cerebral Blood Flow
External Carotid Blood Flow in Individuals With Post-Bariatric Hypoglycemia
This is a pilot study (small-scale study) that aims to understand more about how blood flow changes in people who have low blood sugar after bariatric surgery (post-bariatric hypoglycemia) compared to those who have had surgery…
- Trial name
- NCT07082478
- Testing
- in-ear device measuring blood flow
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Joslin Diabetes Center
Orthostatic Hypotension, Spinal Cord Injury
Safety and Efficacy of L-NAME and Midodrine to Increase MAP
After a spinal cord injury the brain is no longer completely in control of the body below the level of injury. This affects many organs and systems in the body, we are interested in understanding how a spinal cord injury affects…
- Trial name
- NCT00835224
- Testing
- L-NAME, Midodrine
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Autonomic Nervous System Diseases
PET Scan in Patients With Neurocardiologic Disorders
This study is designed to use PET scans in order to measure activity of the sympathetic nervous system. The sympathetic nervous system is the portion of the nervous system that maintains a normal supply of blood and fuel to…
- Trial name
- NCT00001418
- Where
- United States
- Volunteers
- 335 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Hypertension, Autonomic Dysfunction
Autonomic Regulation of Blood Pressure and Heart Rate During Orthostasis and Exercise in Healthy and Hypertensive Individuals
The goal of this observational study is to assess arterial stiffness and autonomic regulation of blood pressure and heart rate in healthy adults and people with arterial hypertension during orthostatic stress and graded physical…
- Conditions
- Hypertension, Autonomic Dysfunction, Orthostatic Hypotension
- Trial name
- NCT07482462
- Where
- Slovenia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
PSP, PSP - Progressive Supranuclear Palsy
The CurePSP Genetics Program
This study is an observational, prospective genetic study. It aims to obtain DNA for research and testing from patients with PSP, CBS, MSA, and related neurological conditions and their families.
- Conditions
- PSP, PSP - Progressive Supranuclear Palsy, Corticobasal Syndrome, Corticobasal Syndrome(CBS)
- Trial name
- NCT06647641
- Testing
- Whole genome sequencing will be performed at the NIH
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Long Covid19, Autonomic Dysfunction
Autonomic Nervous System Affection Due to Post Covid Syndrome
Post-Covid syndrome is defined as symptoms that develop in addition to respiratory symptoms in individuals who have had Covid-19 infection for more than 12 weeks.
- Trial name
- NCT05502094
- Testing
- Heart Rate Variability Measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Bahçeşehir University
Iron-deficiency, Postural Orthostatic Tachycardia Syndrome
Iron Sucrose in Patients With Iron Deficiency and POTS
This study aims to investigate whether the treatment of non-anemic iron deficiency with intravenous iron sucrose will result in decreased symptom reporting and improved cardiovascular indices in patients with Postural Orthostatic…
- Trial name
- NCT04855266
- Testing
- Sucrose, Tilt Table Test
- Volunteers
- healthy volunteers welcome
- Sponsor
- Mayo Clinic
Spinal Cord Injuries (SCI), Orthostatic Hypotension, Dysautonomic
Cardiovascular Function and Response to Stimulation Within the First Year After Spinal Cord Injury
The study aims to explore how cardiovascular function changes in the first year after a spinal cord injury, and to see how different treatments, like spinal stimulation through the skin (transcutaneous spinal stimulation), affect…
- Conditions
- Spinal Cord Injuries (SCI), Orthostatic Hypotension, Dysautonomic, Cardiovascular, Transcutaneous Spinal Stimulation
- Trial name
- NCT06841198
- Testing
- spinal cord transcutaneous stimulation, Ice testing
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Kessler Foundation
Postural Orthostatic Tachycardia Syndrome, Hypocapnia
Chemoreflex and Baroreflex Alterations Causing Postural Tachycardia Syndrome With Orthostatic Hyperpnea and Hypocapnia
Postural tachycardia syndrome (POTS) is the most common chronic cause of postural lightheadedness, and upright confusion afflicting many Americans, mostly young women.
- Conditions
- Postural Orthostatic Tachycardia Syndrome, Hypocapnia, Hyperventilation
- Trial name
- NCT05923840
- Testing
- Chemoreflex Testing, Baroreflex testing, Orthostatic stress testing
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- New York Medical College
Postural Tachycardia Syndrome
Local Vasoconstriction in Postural Tachycardia Syndrome
The investigators study will determine how often blood flow regulation abnormalities and abnormalities of sympathetic regulation produced by nitric oxide, angiotensin-II, and oxidative stress occur in POTS and the mechanism(s) of…
- Trial name
- NCT01210430
- Testing
- Losartan, Ascorbic Acid (Vitamin C), Normal Saline
- Where
- United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- New York Medical College
Healthy, Hyperalgesia
Positron Emission Tomography to Measure Pain and Pain Control
This study will examine how the brain processes pain signals and how the different parts of the brain work with each other in response to painful stimuli.
- Conditions
- Healthy, Hyperalgesia, Pain, Peripheral Nervous System Disease
- Trial name
- NCT00001307
- Testing
- Oxygen-15 Water, Capsaicin
- Where
- United States
- Volunteers
- 273 people, healthy volunteers welcome
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
Functional Voice Disorder, Psychogenic Voice Disorder
Autonomic Dysfunction in Functional Dysphonia
The first objective of this research project is to compare the occurrence and frequency of symptoms and/or disorders related to autonomic dysfunction in patients with functional dysphonia with gender- and age-matched vocally…
- Conditions
- Functional Voice Disorder, Psychogenic Voice Disorder, Muscle Tension Dysphonia
- Trial name
- NCT06100601
- Testing
- ANS regulation therapy, conventional voice therapy (CVT), ANS regulation therapy + CVT
- Where
- Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University Ghent
Chronic Fatigue Syndrome, Myalgic Encephalomyelitis
Reducing Orthostatic Intolerance With Oral Rehydration in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Patients
We and others have shown that many younger patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) have orthostatic intolerance (OI), i.e., they can't tolerate prolonged standing.
- Conditions
- Chronic Fatigue Syndrome, Myalgic Encephalomyelitis, Systemic Exertion Intolerance Disease (SEID), Postural Tachycardia Syndrome (POTS)
- Trial name
- NCT02854683
- Testing
- Normal Saline, Oral Rehydration Solution
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- New York Medical College
Post-Exercise Hypotension
Determinants of Changes in Arterial Load Following Exercise
The goal of this study is to learn about how blood vessel dilation after exercise effects pulse wave reflection and influences the function of the heart in healthy young adults.
- Trial name
- NCT05820243
- Testing
- Moderate Intensity Aerobic Exercise
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Exposure to Pollution, Heart Failure
Effects of Air Pollution Exposure Reduction by Filter Mask on Heart Failure
Exposure to air pollution is associated with increase in cardiovascular morbidity and mortality. Controlled human exposure studies have demonstrated impaired vascular function and heart rate variability on healthy volunteers.
- Trial name
- NCT01960920
- Testing
- Filtered diesel exhaust, Unfiltered diesel exhaust, Clean air
- Where
- Brazil
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- InCor Heart Institute
Chronic Fatigue Syndrome in Adolescence, Postural Orthostatic Tachycardia Syndrome
POTS-CFS Study: Orthostatic Intolerance in the Context of Pediatric ME/CFS
Pilot-case-control study on exertion and orthostatic intolerance of adolescents with myalgic encephalomyelitis/ chronic fatigue syndrome (ME/CFS) compared to age-matched healthy controls (HC).
- Conditions
- Chronic Fatigue Syndrome in Adolescence, Postural Orthostatic Tachycardia Syndrome, Orthostatic Intolerance
- Trial name
- POTS-CFS (NCT06054958)
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Parkinson's Disease, Multiple System Atrophy
PET Imaging Evaluation of [11C]SY08
The overall goal of the proposed research is to evaluate the use of [11C]SY08 as a PET radiotracer for aggregated alpha synuclein (αS) in individuals with Parkinson's disease (PD), Multiple system atrophy (MSA), Dementia with…
- Conditions
- Parkinson's Disease, Multiple System Atrophy, Dementia With Lewy Bodies, Healthy Controls
- Trial name
- NCT06098612
- Testing
- C11-SY08
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital