Clinical trials: Chronic Orthostatic Intolerance
Vasovagal Syncope, Postural Tachycardia Syndrome
Hypnosis in Autonomic Function
This study will investigate the relationship between susceptibility to hypnosis and regulation of the autonomic nervous system (nerves that control involuntary body functions, such as heart rate and sweating).
- Conditions
- Vasovagal Syncope, Postural Tachycardia Syndrome, Hypnosis
- Trial name
- NCT00061009
- Where
- United States
- Volunteers
- 93 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Spinal Cord Injury
Mechanisms of Arterial Hypotension in Chronic Spinal Cord Injury
This clinical study is designed to investigate the mechanisms of blood pressure regulation and respiratory motor function affected by spinal cord injury (SCI).
- Trial name
- NCT02154412
- Testing
- Respiratory Training
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- University of Louisville
Tachycardia, Chronic Orthostatic Intolerance
Treatment of Orthostatic Intolerance
This trial is designed to study the effects of various mechanistically unique medications in controlling excessive increases in heart rate with standing and in improving the symptoms of orthostatic intolerance in patients with…
- Trial name
- NCT00262470
- Testing
- Acetazolamide, Atomoxetine, NO Drug
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Satish R. Raj
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
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
Chronic Fatigue Syndrome, Orthostatic Intolerance
Autonomic Nervous System and Chronic Fatigue Syndrome
The investigators propose to test the hypothesis that the sympathetic nervous system contributes to the cardiovascular and inflammatory abnormalities present in the chronic fatigue syndrome (CFS) and, in particular in the subset…
- Conditions
- Chronic Fatigue Syndrome, Orthostatic Intolerance, Postural Tachycardia Syndrome
- Trial name
- CFS&ANS (NCT00580619)
- Testing
- Autonomic Function Testing, Saline infusions, L-NMMA trimethaphan
- Where
- United States
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
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
Post-Acute COVID-19 Syndrome, ME/CFS
Unhide® Project: A Digital Health Platform to Collect Lifestyle Data for Brain Inflammation Research
The unhide® Project is a non-interventional, longitudinal research study designed to establish a secure data repository of demographic, health, and lifestyle information from individuals with brain inflammation and related…
- Conditions
- Post-Acute COVID-19 Syndrome, ME/CFS, Rheumatic Arthritis, Juvenile Rheumatoid Arthritis (JRA)
- Trial name
- NCT04806620
- Where
- United States
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Brain Inflammation Collaborative
Long COVID, POTS - Postural Orthostatic Tachycardia Syndrome
Long COVID Immune Profiling
Parasympathetic nervous system (PNS) is part of the body's autonomic nervous system(PNS) protects body against inflammation. Study shows that reduced PNS function activity is associated with persistent inflammation.
- Conditions
- Long COVID, POTS - Postural Orthostatic Tachycardia Syndrome, Autonomic Dysfunction
- Trial name
- NCT06027255
- Testing
- IL-6, cytokines (IL-17, and IFN-ɣ), Compass 31
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Diabetic Retinopathy, Macular Degeneration
Advancing Understanding of Transportation Options
This Stage II randomized, controlled, longitudinal trial seeks to assess the acceptability, feasibility, and effects of a driving decision aid use among geriatric patients and providers.
- Conditions
- Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa
- Trial name
- AUTO (NCT04141891)
- Testing
- Driving Decision Aid, Older Drivers Website
- Where
- 3 sites in United States
- Volunteers
- 529 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Postural Tachycardia Syndrome, Chronic Orthostatic Intolerance
Objective Sleep Disturbances in Orthostatic Intolerance
We wish to study sleep architecture in patients with chronic orthostatic intolerance. We will test the null hypothesis that there is no difference in time during the various phases of sleep between patients and healthy control…
- Trial name
- NCT00581022
- Testing
- Polysomnography
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Satish R. Raj
Syncope
Evaluation of Chronic Orthostatic Intolerance
This study will conduct tests with patients with primary chronic orthostatic intolerance (COI) to learn more about this disorder of the autonomic nervous system.
- Trial name
- NCT00069693
- Where
- 3 sites in United States, Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Post-acute COVID-19 Syndrome, Postural Tachycardia Syndrome (POTS)
Cardiovascular Autonomic and Immune Mechanism of Post COVID-19 Tachycardia Syndrome
The term post-acute COVID-19 syndrome or Long COVID is a disabling syndrome that persists beyond the 3-month convalescence period after COVID-19 infections.
- Conditions
- Post-acute COVID-19 Syndrome, Postural Tachycardia Syndrome (POTS), Long COVID, SARS CoV 2 Infection
- Trial name
- NCT05421208
- Testing
- Levels of inflammatory cytokine ( IL-6) in post-COVID-19 POTS and controls, Levels of inflammatory cytokine ( IL-6) in controls, Effect on inflammation after chronic PNS stimulation
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Mitochondrial Diseases, Myalgic Encephalomyelitis Chronic Fatigue Syndrome
The Precision Mito- Mito Map COMPASS Study
Mito Map is a research tool that produces an Energy Score from information provided by a participant. This remote observational study has an initial enrollment target of 400 adults across seven prespecified cohorts: healthy…
- Conditions
- Mitochondrial Diseases, Myalgic Encephalomyelitis Chronic Fatigue Syndrome, Post-COVID-19 Condition, Postural Orthostatic Tachycardia Syndrome
- Trial name
- COMPASS (NCT07856121)
- Testing
- Mito Map Energy Score and Home Functional Assessments
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- AI Agent Vault, Inc. d/b/a Precision Mito
Postural Orthostatic Tachycardia Syndrome, Post Acute Sequelae of SARS CoV 2 Infection
NC Testing in LC & POTS
Patients with Postural Orthostatic Tachycardia Syndrome (POTS) and Post-Acute Sequelae of COVID (PASC, or "Long COVID") experience cognitive dysfunction.
- Trial name
- NCT05914649
- Testing
- IV normal saline (999 mL infusion), IV normal saline (50 mL infusion)
- Where
- Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Calgary
ME/CFS, Long COVID
Is Swimming a More Tolerable Form of Movement for Individuals With Myalgic Encephalomyelitis/ Chronic Fatigue Syndrome?
Individuals with ME/CFS experience profound exercise intolerance and post-exertional malaise. This remote (app-based) pilot study explores whether light, fully self-paced, swimming may be a tolerable form of movement for people…
- Conditions
- ME/CFS, Long COVID, Post- COVID-19 Syndrome, POTS - Postural Orthostatic Tachycardia Syndrome
- Trial name
- ME/CFS (NCT07454395)
- Testing
- Swimming, Cycling
- Where
- Canada
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Simon Fraser University