Clinical trials: Autonomic Dysfunction
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
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)
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
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)
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
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
Pulmonary Disease, Autonomic Dysfunction
Meditative Movement for COPD Symptoms in Non-Smoking Flight Attendants
This study will explore the a Qigong based exercise intervention, here referred to as Meditative Movement (MM), to ameliorate the symptoms associated with chronic obstructive pulmonary disease (COPD) and its co-morbidities.
- Conditions
- Pulmonary Disease, Autonomic Dysfunction, COPD
- Trial name
- MMforFA (NCT02612389)
- Testing
- Meditative Movement taught via DVD
- Where
- United States
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center
Healthy Women Volunteers
A Single Pole Dancing Session and Its Effects on Blood Pressure
This study aimed to evaluate the acute blood pressure (BP) response after a single pole dance (PD) session in adult women. Twenty-one young women (<31 years old) with normal BP and previous PD experience participated.
- Trial name
- NCT07590258
- Testing
- Pole Dance
- Where
- Brazil
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Santa Catarina
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)
Hypertension
Impact of Citrulline and Arginine Supplementation on the Post-exercise Hypotension (PEH)
Post-exercise hypotension (PEH) is a established phenomenon as one of the non-pharmacological ways of reducing blood pressure, producing important impacts, particularly in hypertensive individuals.
- Trial name
- PEH (NCT03378596)
- Testing
- L-citrulline + L-arginine, L-arginine, L-citrulline
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Juliano Casonatto
Functional Gastrointestinal Disorders (FGIDs), Cyclic Vomiting Syndrome
Autonomic Reactivity and Personalized Neurostimulation
Disorders of gut-brain interaction (DGBI) affect up to 25% of U.S. children. Patients often suffer from disabling, multisystem comorbidities that suggest a common root (sleep disturbances, fatigue, anxiety, etc).
- Conditions
- Functional Gastrointestinal Disorders (FGIDs), Cyclic Vomiting Syndrome, Functional Dyspepsia, Dysautonomia
- Trial name
- NCT06863207
- Testing
- Percutaneous electrical nerve field stimulation, Hypnotherapy
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Medical College of Wisconsin
Horner's Syndrome
Clinical Efficacy of Supraclavicular Block for Arthroscopic Shoulder Surgery
The aim of this study is to compare the efficacy of supraclavicular and interscalene brachial plexus blocks in the patients undergoing arthroscopic shoulder surgery.
- Trial name
- NCT01958801
- Testing
- Supraclavicular block, Interscalene block
- Where
- South Korea
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Daegu Catholic University Medical Center
Health Care Utilization, Diet, Healthy
Assessment of the Rate of Oseointegration Surrounding Nano-coated Orthodontic Titanium Miniscrew
The current study was directed to evaluate rate of oseointegration surrounding nano-coated orthodontic titanium miniscrew.The current study will conduct on eighteen Egyptian males orthodontic patients for three months.
- Conditions
- Health Care Utilization, Diet, Healthy, Frey Syndrome
- Trial name
- NCT05898724
- Testing
- Blank group, Silver hydroxyapatite, Zinc oxide
- Where
- Egypt
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
POTS - Postural Orthostatic Tachycardia Syndrome
Does a Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Nat hx With Its Numerous Co-morbidities?
Postural tachycardia syndrome (POTS) is a common and disabling disorder among adolescents. No epidemiologic data exist to support the often cited 0.5 to 2% prevalence.
- Trial name
- NCT06616363
- Testing
- Questionnaires to be competed, Provide list of medication and lifetime events, Use phone App to record new life events
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Complex Regional Pain Syndrome, Peripheral Nerve Injuries
Somatosensory Assessment and Rehabilitation of Allodynia (SARA)
This pilot study will test a new therapy, somatosensory rehabilitation, for the painful sensitivity experienced by persons with nerve injuries and/or complex regional pain syndrome (CRPS).
- Conditions
- Complex Regional Pain Syndrome, Peripheral Nerve Injuries, Hand Fractures
- Trial name
- SARA (NCT02070367)
- Testing
- Somatosensory rehabilitation, Usual treatment: physiotherapy
- Where
- Canada
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Hamilton Health Sciences Corporation
Postural Orthostatic Tachycardia Syndrome
CRI in POTS in Adolescents
The investigators aim to study whether the Compensatory Reserve Index (CRI) (an FDA approved device that assesses intravascular volume) can be used to evaluate severity of Postural Orthostatic Tachycardia Syndrome (POTS) and…
- Trial name
- POTS (NCT03974737)
- Testing
- CRI device (non-invasive vitals sign measurement)
- Where
- United States
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Parkinson Disease, Multiple System Atrophy
Facilitating Diagnostics and Prognostics of Parkinsonian Syndromes Using Neuroimaging
The goals of this study are: 1) to identify biomarkers using neuroimaging that are associated with progression rate using statistical methods, and 2) to identify biomarkers that are associated with the differential diagnosis of…
- Conditions
- Parkinson Disease, Multiple System Atrophy, Progressive Supranuclear Palsy
- Trial name
- NCT03872102
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Postural Tachycardia Syndrome, Ehlers-Danlos Syndrome
Standing Cognition and Co-morbidities of POTS Evaluation
The purpose of this study is to evaluate cognition in patients with postural tachycardia syndrome (POTS) while lying down and standing and to assess the prevalence of hypermobile Ehlers-Danlos Syndrome in POTS.
- Trial name
- SCOPE (NCT03602482)
- Testing
- Standing, Supine
- Where
- United States
- Volunteers
- 139 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center