Clinical trials: Orthostatic Intolerance
Post-COVID-19 Syndrome, Postural Tachycardia Syndrome
VNS for Long-COVID-19
The goal of this proposed clinical case series is to evaluate the effect of a non-invasive vagus nerve stimulation paradigm on: 1) Symptom reporting via validated patient reported outcomes, and 2) objective clinical biomarkers of…
- Conditions
- Post-COVID-19 Syndrome, Postural Tachycardia Syndrome, Dysautonomia
- Trial name
- NCT05630040
- Testing
- Non-invasive vagus nerve stimulation
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Orthostatic Hypotension
Research, Development, and Application of Intelligent Diagnostic System for Orthostatic Hypotension
Orthostatic hypotension (OH) has a high incidence rate of 30%-50% in the elderly and populations with neurodegenerative diseases.
- Trial name
- NCT07309666
- Testing
- Intelligent diagnostic system for orthostatic hypotension
- Where
- China
- Volunteers
- 2,000 people
- Sponsor
- Xuanwu Hospital, Beijing
Postural Orthostatic Tachycardia Syndrome
A Shared Medical Appointment Intervention for Quality of Life Improvement in POTS
Postural orthostatic tachycardia syndrome (POTS) is a clinical syndrome encompassing a myriad of debilitating symptoms that does not have any FDA approved drug therapies.
- Trial name
- NCT05454137
- Testing
- Shared medical appointment
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of Arizona
Postural Orthostatic Tachycardia Syndrome
Breathing Exercises With And Without Aerobic Training In Patients With Postural Orthostatic Tachycardia Syndrome
Postural orthostatic tachycardia syndrome (POTS) is a chronic, multifactorial syndrome with complex symptoms of orthostatic intolerance. Of the major complaints are breathlessness and exercise intolerance.
- Trial name
- NCT05404672
- Testing
- Aerobic Training, Conventional Treatment
- Where
- Pakistan
- Volunteers
- 28 people
- Sponsor
- Riphah International University
Long COVID, Postural Orthostatic Tachycardia Syndrome
The Long COVID-19 Wearable Device Study
To further characterize Long COVID-19 by collecting data from individuals who already own wearable devices or are provided with a wearable device along with basic and enhanced educational materials to determine if both can…
- Conditions
- Long COVID, Postural Orthostatic Tachycardia Syndrome, Dysautonomia, Myalgic Encephalomyelitis
- Trial name
- NCT05741112
- Testing
- Wearable device
- Where
- United States
- Volunteers
- 100,500 people
- Sponsor
- Scripps Translational Science Institute
Spinal Cord Injuries, Orthostatic Hypotension
Speed of Robotic Leg Movements and Orthostatic Hypotension in Subacute SCI
This study seeks to evaluate whether the speed (cadence) of lower extremity robotic movement has an impact on orthostatic hypotension and upright tolerance when training with the ErigoPro robotic tilt-stepper.
- Trial name
- NCT04029974
- Testing
- ErigoPro
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Methodist Rehabilitation Center
Postural Tachycardia Syndrome
Aldosterone & Sodium Regulation in Postural Tachycardia Syndrome - Screening
The purpose of the study is to determine whether patients meet criteria for Postural Tachycardia Syndrome (or not) and have reduced blood volume (or not).
- Trial name
- NCT01783288
- Testing
- Autonomic Function Testing, Posture Study, Measurement of Total Blood Volume
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Vasovagal Syncope
Effect of Closed Loop Pacemaker Treatment on Recurrent Vasovagal Syncope
The main purpose is to prevent syncope in patients with recurrent syncopal episodes caused by malignant vasovagal faints and bradycardia.
- Trial name
- NCT00292825
- Testing
- Pacemaker treatment, pacemaker programmed as active = CLS, Pacemaker, programmed as passive = VVI 30 beats per minute (bpm)
- Where
- Denmark
- Volunteers
- 100 people
- Sponsor
- Aarhus University Hospital Skejby
Postural Tachycardia Syndrome
Adrenocorticotropic Hormone Stimulation in Postural Orthostatic Tachycardia Syndrome (POTS)
This study is to determine different chemical levels in the blood during a low salt diet. This study will compare normal volunteers to those with Postural Tachycardia Syndrome (POTS)
- Trial name
- NCT01764711
- Testing
- Cosyntropin administration
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Vitamin D Deficiency, Orthostatic Intolerance
Vitamin D Deficiency and Dysautonomia
In previous work the investigator identified a group of children between the ages of 10-18 years whose diagnostic workup for chronic nausea unexplained by conventional diagnostic tests has unexpectedly revealed underlying…
- Conditions
- Vitamin D Deficiency, Orthostatic Intolerance, Nausea
- Trial name
- NCT03032328
- Testing
- vitamin D supplement
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Syncope, Vasovagal
Midodrine and Fludrocortisone for Vasovagal Syncope
Syncope is a common condition which can disturb daily functions of the patients and impair their quality of lives. It contributes to 0.8 to 2.4% of the visits of emergency rooms.
- Trial name
- COMFORTS (NCT04595942)
- Testing
- Midodrine Hydrochloride Tablets, Fludrocortisone Acetate Tablets, Lifestyle modification
- Where
- Iran
- Volunteers
- 1,375 people
- Sponsor
- Tehran Heart Center
Postural Tachycardia Syndrome
Gastrointestinal Symptoms in Postural Orthostatic Tachycardia Syndrome
Patients with POTS experience significant gastrointestinal symptoms. Current evidence suggesting that abnormal post-ganglionic sympathetic function could play a role in the pathophysiology of these GI abnormalities.
- Trial name
- POTS-GUT (NCT03263819)
- Testing
- Oral glucose tolerance test
- Where
- United States
- Volunteers
- 26 people
- Sponsor
- Vanderbilt University Medical Center
Postural Tachycardia Syndrome
POTS NET mRNA Functional Correlation With NET Activity
DNA Acetylation can be responsible for significant down-regulation of transcription of the Norepinephrine Transporter (NET). NET is an important clearance transporter that removes norepinephrine (NE) from sympathetic neuronal…
- Trial name
- NCT03218761
- Testing
- NET mRNA level, Plasma catechols, Urine Catechols
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Orthostatic Hypotension, Falls
Orthostatic Hypotension Treatment on Rehab Unit
For patients recovering from acute illness, the ability to stand, walk, climb stairs, and participate in therapy are critical to their recovery and eventual discharge to the least restrictive environment.
- Trial name
- NCT01030874
- Testing
- Medication review, Nutrition/Salt intake, Education
- Where
- United States
- Volunteers
- 356 people
- Sponsor
- VA Office of Research and Development
Orthostatic Hypotension, Parkinson's Disease
A Two Part Study (306A/306B) to Assess Droxidopa in Treatment of NOH in Patients With Parkinson's Disease
This is a study to evaluate the effects of an investigational drug, Droxidopa, in participants with neurogenic orthostatic hypotension (NOH), associated with Parkinson's disease.
- Trial name
- 306A/306B (NCT01176240)
- Testing
- Droxidopa
- Where
- 60 sites in United States
- Volunteers
- 225 people
- Sponsor
- Chelsea Therapeutics
Autonomic Dysfunction, Orthostatic Intolerance
Continuous and Non-invasive Measurements by Task Force® CORE/CARDIO in Autonomic Function Testing (AFT)
Background: The investigational device, "Task Force® CORE" (TFC, CNSystems Medizintechnik GmbH, Graz, Austria) together with the "Task Force® CARDIO" (TFCARDIO, CNSystems Medizintechnik GmbH, Graz, Austria) medical device…
- Trial name
- NCT05977335
- Testing
- Autonomic Function Testing
- Volunteers
- 75 people
- Sponsor
- CNSystems Medizintechnik GmbH
Orthostatic Hypotension
The Effect of Rehabilitation Training on Orthostatic Hypotension in Parkinson's Patients
The goal of this clinical trial is to explore raise-bed training Orthostatic Hypotension in Parkinson's Patients. The main question it aims to answer is: Can raise-bed training improve Orthostatic Hypotension in Parkinson's…
- Trial name
- NCT06255717
- Testing
- Comprehensive rehabilitation training, Rise-bed Training
- Where
- Taiwan
- Volunteers
- 80 people
- Sponsor
- Zeng Changhao
Postural Tachycardia Syndrome
A Study of Pyridostigmine in Postural Tachycardia Syndrome
This is a 3-day study comparing pyridostigmine versus placebo in the treatment of postural tachycardia syndrome (POTS). The researchers expect pyridostigmine to improve tachycardia and stabilize blood pressure.
- Trial name
- NCT00409435
- Testing
- pyridostigmine
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Mayo Clinic
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
Orthostatic Hypotension, Ischemia
Evaluation of the ORTHO-LBNP System
The pilot study aims to evaluate a prototype system that enables military pilots to train under conditions of orthostatic hypotension and ischemic hypoxia.
- Conditions
- Orthostatic Hypotension, Ischemia, Hypoxia
- Trial name
- ORTHO-LBNP (NCT03354234)
- Testing
- Head up tilt (HUT), Lower body negative pressure (LBNP), Head down tilt (HDT)
- Where
- Poland
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Military Institute of Aviation Medicine