Clinical trials: Hypotension, Orthostatic
Autonomic Failure, Pure Autonomic Failure
CPAP for the Treatment of Supine Hypertension
This study aims to learn about the effects of continuous positive airway pressure (CPAP) on people with autonomic failure and high blood pressure when lying down (supine hypertension) to determine if it can be used to treat their…
- Conditions
- Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy, Parkinson Disease
- Trial name
- NCT05489575
- Testing
- Active CPAP, Sleeping in a head-up tilt (HUT) position
- Where
- United States
- Volunteers
- 59 people
- Sponsor
- Vanderbilt University Medical Center
Postoperative Orthostatic Hypotension, Postoperative Orthostatic Intolerance
Efficacy of Midodrine for the Prevention of Orthostatic Hypotension During Early Mobilization After Fast-track Hip Arthroplasty
The aim of this study is to examine the efficacy of 5 mg Midodrine (Gutron) vs. placebo on reducing the incidence of orthostatic hypotension during mobilization 6 h after a total hip arthroplasty.
- Trial name
- NCT01707953
- Testing
- Midodrine
- Where
- 3 sites in Denmark
- Volunteers
- 120 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Hypotension, Orthostatic Hypotension
Orthostatic Hypotension Among Veterans
Orthostatic hypotension (OH) is defined as a fall in blood pressure when standing. Several different underlying diseases, conditions, or combinations of medicines may contribute to OH; therefore the cause of the condition varies…
- Trial name
- OH (NCT02123303)
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Hypertension, Elevated Blood Pressure
Blood Pressure Following Isometric Exercise in Inactive Adults
This study investigates how isometric exercise training (IET) affects blood pressure in physically inactive adults. Isometric exercise involves sustained muscle contractions without movement-for example, pushing against a fixed…
- Conditions
- Hypertension, Elevated Blood Pressure, Sedentary Lifestlye
- Trial name
- BELIEF-BP (NCT06937164)
- Testing
- Isometric Exercise Training (IET), Expectation-Enhancing Informational Framing
- Where
- United Kingdom
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Canterbury Christ Church University
Autonomic Nervous System Diseases, Orthostatic Hypotension
The Pathophysiology of Orthostatic Hypotension
The purpose of this study is to determine the cause of low blood pressure in selective patients who have problems with their involuntary (autonomic) nervous system.
- Conditions
- Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
- Trial name
- NCT00748059
- Testing
- Standing or upright tilt, Microneurography, QSweat
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Vanderbilt University Medical Center
Hypertension, Pure Autonomic Failure
Overnight Trials With Heat Stress in Autonomic Failure Patients With Supine Hypertension
Patients with autonomic failure are characterized by disabling orthostatic hypotension (low blood pressure on standing), and at least half of them also have high blood pressure while lying down (supine hypertension).
- Conditions
- Hypertension, Pure Autonomic Failure, Multiple System Atrophy, Autonomic Failure
- Trial name
- NCT03042988
- Testing
- Heating pad
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Vanderbilt University Medical Center
Post-Exercise Hypotension
Resistance Exercise Modify Cardiovascular Responses of Professors During Teaching and Sleep
Both work activity and reduced nocturnal dipping of blood pressure are related to increased cardiovascular risk. The aim of the present study was to assess the hemodynamic and autonomic responses of university professors during…
- Trial name
- NCT02650089
- Testing
- Resistance Exercise Low intensity, Resistance Exercise High intensity, Control
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do vale do São Francisco
Neurogenic Orthostatic Hypotension, Autonomic Failure
CO2 Rebreathing in nOH: A Proof-of-Concept Pilot Study
Neurogenic orthostatic hypotension (nOH) is a chronic condition associated with increased cardiovascular risk and reduced quality of life.
- Trial name
- NCT05908760
- Testing
- CO2 ReHaler
- Where
- Canada
- Volunteers
- 28 people
- Sponsor
- University of Calgary
Orthostatic Hypertension
Intravenous Norepinephrine for Orthostatic Hypotension
Background: Orthostatic hypotension is a fall in blood pressure when standing up. Normally, a reflex action of the automatic nervous system makes blood vessels tighten when people stand up.
- Trial name
- NCT01285908
- Testing
- Intravenous Norepinephrine Infusion
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Hypotension, Orthostatic
Orthostatic Hypotension in Rehabilitation Patients
The purpose of this study is to determine the prevalence and clinical course of orthostatic hypotension (OH) on a rehabilitation and nursing home unit during their inpatient stay and to initiate a standardized, interdisciplinary…
- Trial name
- NCT00117585
- Testing
- Treatment Phase 1, Treatment Phase 2, Treatment Phase 3
- Where
- United States
- Volunteers
- 341 people
- Sponsor
- VA Office of Research and Development
Spinal Cord Injuries, Autonomic Imbalance
Deciphering Preserved Autonomic Function After Spinal Cord Injury
This study looks to characterize gradients of dysfunction in the autonomic nervous system after spinal cord injury. The autonomic nervous system plays key roles in regulation of blood pressure, skin blood flow, and bladder…
- Conditions
- Spinal Cord Injuries, Autonomic Imbalance, Autonomic Dysreflexia, Orthostatic Hypotension
- Trial name
- NCT04493372
- Testing
- Tests of sympathetic inhibition, Tests of sympathetic activation, Testing of autonomic dysreflexia
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Spinal Cord Injuries, Hypotension
The Effect of Transcutaneous Stimulation on Blood Pressure in Spinal Cord Injury (SCI)
This project will investigate the effect of spinal cord transcutaneous stimulation on blood pressure in individuals with a chronic spinal cord injury who experience blood pressure instability, specifically, orthostatic…
- Conditions
- Spinal Cord Injuries, Hypotension, Orthostatic Hypotension, Spinal Cord Diseases
- Trial name
- SCI (NCT05725499)
- Testing
- Biostim-5 transcutaneous spinal stimulator, Tilt-table orthostatic stress testing
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Kessler Foundation
Orthostatic Hypotension
Phase 3 Study to Evaluate the Efficacy and Safety of Droxidopa on Orthostatic Hypotension Treatment in Hemodialysis Patients
Orthostatic hypotension is a major complication of hemodialysis and interferes with everyday activities in hemodialysis patients.
- Trial name
- OH (NCT01612078)
- Testing
- Droxidopa
- Where
- Taiwan
- Volunteers
- 25 people
- Sponsor
- TSH Biopharm Corporation Limited
Spinal Cord Injury
Cardiovascular Autonomic Function After Resistance Training
The purpose of this clinical trial is to evaluate whether an 8-week upper-limb resistance training program improves cardiovascular autonomic function in adults with chronic spinal cord injury (SCI).
- Trial name
- NCT07725952
- Testing
- Upper-Limb Resistance Training
- Where
- South Korea
- Volunteers
- 20 people
- Sponsor
- Pusan National University Yangsan Hospital
Blood Pressure, Orthostatic Hypotension
Effects of Blueberries in Older Adults
This randomized, parallel-design trial will evaluate specific clinical and physiological effects of whole blueberries in adults 70 years of age or older.
- Conditions
- Blood Pressure, Orthostatic Hypotension, Vascular Diseases
- Trial name
- BnD (NCT05358210)
- Testing
- Blueberry Consumption, Dried Date Consumption
- Where
- 2 sites in United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Orthostatic Hypotension
Hemodynamic Effects of Aquatic vs. Land Exercise in Patients With Orthostatic Hypotension
Orthostatic hypotension is a highly prevalent deficit in the aging population especially when coupled with stroke, frailty, diabetes, Parkinson's disease or spinal cord injuries.
- Trial name
- NCT04399486
- Testing
- Physical Therapy
- Where
- United States
- Sponsor
- University of Texas at Austin
Falls, Orthostatic Hypotension
The Value of Near-infrared Spectroscopy and Blood Pressure Measurements in Estimating Future Fall Risk in Older Adults
The investigators aim to study which measurements/definitions from continuous blood pressures measurements (using a Finometer) and from cerebral oxygenation measurements (using near-infrared spectroscopy (NIRS)) are associated…
- Conditions
- Falls, Orthostatic Hypotension, Older Adults (65 Years and Older)
- Trial name
- NIRS-Fall (NCT06714565)
- Where
- Netherlands
- Volunteers
- 141 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Healthy Controls Without Orthostatic Hypotension
Cognitive Changes in Mild Cognitive Impairment
Background: In recent years, the changes of cognitive function in mild cognitive impairment have attracted attention. Methods/design: We will follow up at 3.
- Trial name
- NCT05821400
- Testing
- observational study
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Fujian Medical University Union Hospital
Post-Exercise Hypotension, Hypertension
Doses of Coffee and Blood Pressure Response Post-exercise
Introduction: reduction of blood pressure after physical exercise is called post exercise hypotension (PEH). However, previous studies demonstrate that ingestion of caffeine equivalent to three tea-cup of coffee abolishes this…
- Trial name
- NCT02335840
- Testing
- CAF-1, CAF-2, CAF-3
- Volunteers
- 12 people
- Sponsor
- Federal University of Paraíba
Anesthesia, Obstetrical, Anesthesia, Spinal
Phenylephrine and Hypotension During Spinal Anesthesia for Cesarean Section
Pregnant women with a positive preoperative Supine stress test were found to be a subgroup at increased risk of symptomatic hypotension after spinal anesthesia
- Trial name
- NCT02958215
- Testing
- Phenylephrine
- Where
- Egypt
- Volunteers
- 980 people
- Sponsor
- Assiut University