Clinical trials: Cardiovascular Autonomic Dysfunction
Multiple System Atrophy, Orthostatic Hypotension
Reduction in Splanchnic Capacitance Contributes to Sympathetically Dependent Hypertension in Autonomic
The purpose of this study is to learn more about the regulation of the veins of the abdomen by the autonomic (involuntary) nervous system, and how this may affect high blood pressure.
- Conditions
- Multiple System Atrophy, Orthostatic Hypotension, Supine Hypertension
- Trial name
- NCT02726711
- Testing
- Trimethaphan
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Vanderbilt University
Postural Orthostatic Tachycardia Syndrome
High Sodium Diet and External Abdominal Compression in POTS
The investigators will test to determine if an external Automated Abdominal Binder (non-commercial product) during high sodium diet improves orthostatic tolerance, compared to wearing the binder during a low sodium diet session.
- Trial name
- NCT01771484
- Testing
- External automated abdominal binder
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Vanderbilt University
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
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
Neurogenic Orthostatic Hypotension, Autonomic Failure
Effect of Midodrine vs Abdominal Compression on Cardiovascular Risk Markers in Autonomic Failure Patients
The purpose of this study is to learn more about the effects of abdominal compression and the medication midodrine, two interventions used for the treatment of orthostatic hypotension (low blood pressure on standing), on…
- Conditions
- Neurogenic Orthostatic Hypotension, Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy
- Trial name
- NCT04620382
- Testing
- Midodrine, Abdominal compression
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- Vanderbilt University Medical Center
Cardiac Pacemaker, Artificial, Cardiac Rhythm Disorder
Aveir DR i2i Study
Prospective, non-randomized, multi-center, international study designed to evaluate the safety and effectiveness of the Aveir™ Dual-Chamber (DR) Leadless Pacemaker system.
- Conditions
- Cardiac Pacemaker, Artificial, Cardiac Rhythm Disorder, Bradycardia
- Trial name
- NCT05252702
- Testing
- Aveir DR Leadless Pacemaker System
- Where
- 78 sites in United States, Austria and 11 more
- Volunteers
- 464 people
- Sponsor
- Abbott Medical Devices
Dynamic Strength Exercise Session, Isometric Strength Exercise Session
Acute and Chronic Effects of Combined Training on BP in Hypertensives
Dynamic strength training (DST) is widely recognized for promoting neuromuscular adaptations such as increased strength and hypertrophy.
- Conditions
- Dynamic Strength Exercise Session, Isometric Strength Exercise Session, Combined Exercise Session, Control Session (CON)
- Trial name
- COMBAT-H (NCT07470450)
- Testing
- Combined strength training, Dynamic strength training, Acute Isometric Exercise Session.
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- Federal University of Rio Grande do Sul
Autonomic Dysreflexia
Botox for Neurogenic Detrusor Overactivity and the Prevention of Autonomic Dysreflexia Following SCI
The purpose of this study is to investigate the impact of 200 U intradetrusor injected OnabotulinumtoxinA (Botox®, Allergan, Inc.) (20 sites, trigone sparing) for neurogenic detrusor overactivity (NDO) and its role on reducing…
- Trial name
- NCT02298660
- Testing
- BOTOX
- Where
- Canada
- Volunteers
- 55 people
- Sponsor
- Rick Hansen Institute
Myocardial Ischemia, Myocardial Infarction
Optimizing Patient Experience During Myocardial Perfusion Imaging
The present study focusses on the effects of the diagnostic testing environment on psychological wellbeing, cardiac symptoms and patient satisfaction during cardiac stress testing (CST) in patients who are referred to the…
- Conditions
- Myocardial Ischemia, Myocardial Infarction, Autonomic Dysfunction
- Trial name
- OPTIMIZE (NCT05896982)
- Testing
- Care as usual with information support, Care as usual with supportive coaching, Care as usual with information support and supportive coaching
- Where
- Netherlands
- Volunteers
- 149 people
- Sponsor
- Tilburg University
Orthostatic; Hypotension, Neurogenic, Autonomic Failure
Use of Accelerometer for Quantification of Neurogenic Orthostatic Hypotension Symptoms
The objective of this study is to find a more objective and accurate way to assess the efficacy of the treatment for neurogenic orthostatic hypotension.
- Conditions
- Orthostatic; Hypotension, Neurogenic, Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy
- Trial name
- NCT04782830
- Testing
- Accelerometer, Midodrine or atomoxetine pill
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- Vanderbilt University Medical Center
Orthostatic Hypotension, Autonomic Failure
Automated Abdominal Binder for Orthostatic Hypotension
The automated inflatable abdominal binder is an investigational device for the treatment of orthostatic hypotension (low blood pressure on standing) in patients with autonomic failure.
- Conditions
- Orthostatic Hypotension, Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy
- Trial name
- NCT03482297
- Testing
- automated abdominal binder, Midodrine
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- Vanderbilt University Medical Center
Orthostatic Hypotension
Phase II Study of Midodrine for Neurogenic Orthostatic Hypotension
OBJECTIVES: I. Study further the safety and efficacy of the alpha-receptor agonist midodrine in patients with neurogenic orthostatic hypotension. II. Assess the quality of life in these patients with this treatment regimen.
- Trial name
- NCT00004268
- Testing
- midodrine
- Where
- United States
- Volunteers
- 300 people
- Sponsor
- National Center for Research Resources (NCRR)
Spinal Cord Injuries
Restoring Hemodynamic Stability Using Targeted Epidural Spinal Stimulation Following Spinal Cord Injury
The purpose of this study is to stimulate the circuits in the spinal cord that are directly responsible for hemodynamic control to restore hemodynamic stability in participants with chronic cervical or high-thoracic spinal cord…
- Trial name
- HEMO (NCT05044923)
- Testing
- Targeted Epidural Spinal Stimulation
- Where
- Canada
- Volunteers
- 8 people
- Sponsor
- Aaron Phillips
Rare Disorders, Undiagnosed Disorders
Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford
The Coordination of Rare Diseases at Sanford (CoRDS) is an international patient registry that serves as a centralized resource for rare disease research.
- Conditions
- Rare Disorders, Undiagnosed Disorders, Disorders of Unknown Prevalence, Cornelia De Lange Syndrome
- Trial name
- CoRDS (NCT01793168)
- Where
- United States
- Volunteers
- 20,000 people
- Sponsor
- Sanford Health
Orthostatic Hypotension
Frequency of Orthostatic Hypotension in Patients Who Underwent Colonoscopy
Patients who will undergo colonoscopy accompanied by sedoanalgesia will be admitted at Aksaray Training and Research Hospital Gastroenterology Clinic between May and July 2024.
- Trial name
- NCT06439498
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people
- Sponsor
- Ankara University
Posttraumatic Stress Disorder, Cardiovascular Diseases
NightWare and Cardiovascular Health in Adults With PTSD
The purpose of this study is to determine whether NightWare therapeutic intervention improves biomarkers of vascular aging and autonomic function in adults with nightmares related to PTSD.
- Conditions
- Posttraumatic Stress Disorder, Cardiovascular Diseases, Autonomic Dysfunction, Vascular Stiffness
- Trial name
- NCT05365607
- Testing
- NightWare
- Where
- 2 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Acute Ischemic Stroke, Transient Ischemic Attack
Imaging and Serological Biomarkers of Autonomic Dysfunction After Ischemic Stroke
The goal of this observational study is to to investigate the prevalence and time course of autonomic dysfunction in acute ischemic stroke patients; to evaluate the influence of lesion location on autonomic dysfunction; to…
- Trial name
- ARIADNE (NCT06740942)
- Where
- Germany
- Volunteers
- 100 people
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Spinal Cord Injury, Orthostatic Hypotension
Prevention of Orthostatic Hypotension With Electric Stimulation in Persons With Acute SCI
Background: The presence of orthostatic hypotension (OH) as a consequence of blood volume redistribution during verticalisation in persons with spinal cord injury (SCI) is a common condition.
- Trial name
- NCT01891110
- Testing
- ES of the abdominal muscles, ES of the limb muscles, ES of limbs & abdomen
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- Swiss Paraplegic Research, Nottwil
Peripheral Artery Disease, Endothelial Dysfunction
Effect of Transcutaneous Vagal Stimulation (TVS) on Endothelial Function in PAD
Peripheral arterial disease (PAD) constitutes a major public health burden. The incidence of PAD increases with age and is associated with other comorbid cardiovascular disorders.
- Conditions
- Peripheral Artery Disease, Endothelial Dysfunction, Autonomic Imbalance
- Trial name
- TVS-PAD (NCT03445754)
- Testing
- TVS
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- University of Oklahoma
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