Search clinical trials for: orthostatic intolerance

Total 1576 results

Mayo Clinic
National Institute of Neurological Disorders and Stroke (NINDS)

Suspended

Droxidopa / Pyridostigmine in Orthostatic Hypotension

Orthostatic Hypotension

United States
Radboud University Medical Center

Completed

The Effects of Medication Induced Blood Pressure Reduction on Cerebral Hemodynamics in Hypertensive Frail Elderly (BLUEBERRY)

Hypertension | Frailty | Orthostatic Hypotension | Orthostatic Intolerance | Cerebral Hypoperfusion | Old Age; Dementia

Netherlands
Ankara University

Active, not recruiting

Frequency of Orthostatic Hypotension in Patients Who Underwent Colonoscopy

Orthostatic Hypotension

Turkey
argenx
Iqvia Pty Ltd

Active, not recruiting

Open Label Extension of Efgartigimod in Adults With Post-COVID-19 POTS (POTS)

Post-COVID Postural Orthostatic Tachycardia Syndrome Postural Orthostatic Tachycardia Syndrome

United States
University of Connecticut
Hartford Hospital

Completed

Postexercise Hypotension and Exercise Adherence

Hypertension
University of Calgary
Vanderbilt University

Active, not recruiting

Assessment of Metoprolol in the Prevention of Vasovagal Syncope in Aging Subjects

Vasovagal Syncope

Canada
Dr. Bob Sheldon
Vanderbilt University

Active, not recruiting

Assessment of Midodrine in the Prevention of Vasovagal Syncope: The Prevention of Syncope Trial IV (POST 4)

Vasovagal Syncope

United States, Canada, Poland
Radboud University Medical Center
Leiden University Medical Center; Michael J. Fox Foundation for Parkinson's...

Active, not recruiting

Head-up Tilt Sleeping to Alleviate Orthostatic Hypotension, Supine Hypertension and Nocturia in Parkinson's Disease

Parkinson Disease | Parkinsonism

Netherlands
University of Colorado, Denver
National Institute on Aging (NIA)

Completed

Advancing Understanding of Transportation Options (AUTO)

Stroke | Multiple Sclerosis | Glaucoma | Brain Injuries | Macular Degeneration | Arthritis | Chronic Obstructive Pulmonary Disease | Parkinson Disease | Restless Legs Syndrome | Diabetic Retinopathy | Insomnia | Retinitis Pigmentosa | Obstructive Sleep Apnea | Dementia | End Stage Renal Disease | Sleep Apnea | Syncope | Seizures and other conditions

United States
argenx
Iqvia Pty Ltd

Completed

Efficacy and Safety Study of Efgartigimod in Adults With Post-COVID-19 POTS (POTS)

Postural Orthostatic Tachycardia Syndrome

United States
University of California, San Diego
Dysautonomia International

Active, not recruiting

Phenotyping Mitochondrial and Immune Dysfunction in POTS With Targeted Clinical Intervention.

Postural Tachycardia Syndrome

United States
Vanderbilt University
National Heart, Lung, and Blood Institute (NHLBI); National Institutes of Health...

Active, not recruiting

Aldosterone & Sodium Regulation in Postural Tachycardia Syndrome - Screening

Postural Tachycardia Syndrome

United States
University of Texas Southwestern Medical Center
Grifols Biologicals, LLC; Dysautonomia International

Completed

IVIG (Gamunex-C) Treatment Study for POTS Subjects (iSTAND)

Postural Tachycardia Syndrome

United States
Vanderbilt University Medical Center
University of Oklahoma

Enrolling by invitation

Autoimmune Basis for Postural Tachycardia Syndrome

Cardiovascular Diseases | Arrhythmias, Cardiac | Autonomic Nervous System Diseases | Primary Dysautonomias | Tachycardia | Orthostatic Intolerance | Postural Tachycardia Syndrome | Postural Orthostatic Tachycardia Syndrome

United States
Vanderbilt University Medical Center

Active, not recruiting

Vagal Stimulation in POTS

Postural Tachycardia Syndrome

United States
Neuroversion, Inc.

Active, not recruiting

Effect of Stellate Ganglion Block on ME/CFS (SGB_ME)

Chronic Fatigue Syndrome | Myalgic Encephalomyelitis | Encephalomyelitis, Myalgic | Chronic Fatigue Disorder | Chronic Fatigue and Immune Dysfunction Syndrome | Postviral Fatigue Syndrome | Systemic Exertion Intolerance Disease | Infectious Mononucleosis-Like Syndrome, Chronic | Chronic Fatigue-Fibromyalgia...

United States
Icahn School of Medicine at Mount Sinai

Active, not recruiting

VNS for Long-COVID-19

Postural Tachycardia Syndrome | Post-COVID-19 Syndrome | Dysautonomia

United States
Faizan Ahmed

Active, not recruiting

Cardiovascular Effects of Exercise in Patients With Parkinson's Disease

Parkinson Disease | Orthostatic Hypotension

Canada
Federal State Budgetary Institution, V. A. Almazov...

Completed

Spinal Cord Stimulation for Orthostatic Hypotension

Orthostatic Hypotension

Russian Federation
Fadoi Foundation, Italy

Completed

Orthostatic Hypotension in Hypertensive Patient Hospitalized in Internal Medicine (IP-OP)

Hospitalization

Italy
Istituto Auxologico Italiano
Antonella Groppelli

Completed

Wearable Monitor in Patients With Syncope (Watch-VD)

Syncope, Vasovagal

Italy
Istituto Auxologico Italiano

Completed

Effect of Pharmacological Interventions on Systolic Blood Pressure Drops (SynABPM 2 Proof-of-concept) (SynABPM)

Syncope | Orthostatic Hypotension | Syncope, Vasovagal | Ambulatory Blood Pressure Monitoring | Antihypertensive Drugs

Italy
Karolinska Institutet
Karolinska University Hospital

Active, not recruiting

Physical Training in Patients With POTS After Covid-19 (POTS-ReCOV)

Covid19 | Postural Orthostatic Tachycardia Syndrome | Post-acute Covid-19 Syndrome

Sweden
Genetic Disease Investigators

Completed

Head Circumference Growth in Children With Ehlers-Danlos Syndrome Who Develop Dysautonomia Later in Life

Venous Insufficiency | Postural Orthostatic Tachycardia Syndrome | Dysautonomia | Ehlers Danlos Syndrome | External Hydrocephalus

United States
Chelsea Therapeutics

Completed

Clinical Study of Droxidopa in Patients With Neurogenic Orthostatic Hypotension (NOH) (Droxi-304) (NOH304)

Neurogenic Orthostatic Hypotension | Primary Autonomic Failure | Dopamine Beta Hydroxylase Deficiency | Non-Diabetic Neuropathy
Vanderbilt University Medical Center
National Center for Advancing Translational Sciences (NCATS)

Active, not recruiting

Modafinil and Cognitive Function in POTS

Postural Tachycardia Syndrome

United States
Assistance Publique - Hôpitaux de Paris

Completed

Effective Volemia in Older Adults With Orthostatic Hypotension (EVO)

Orthostatic Hypotension

France
Vanderbilt University

Active, not recruiting

Transdermal Vagal Stimulation for POTS

Postural Orthostatic Tachycardia Syndrome

United States
Quality Living, Inc.

Enrolling by invitation

Controlling Orthostatic Hypotension in People With Cervical Spinal Cord Injury

Hypotension, Orthostatic | Spinal Cord Injury Cervical

United States
University of Oklahoma
Dysautonomia International

Completed

Vagus Nerve Stimulation in Treatment of Postural Orthostatic Tachycardia Syndrome (POTS)

Postural Orthostatic Tachycardia Syndrome

United States
Alfredo Gamboa
Vanderbilt University Medical Center

Active, not recruiting

Breathing Device in Postural Orthostatic Tachycardia Syndrome (POTS)

Postural Tachycardia Syndrome | Postural Orthostatic Tachycardia Syndrome

United States
China National Center for Cardiovascular Diseases

Completed

Different Catheter Ablation Strategy in Vasovagal Syncope

Syncope, Vasovagal

China
Insel Gruppe AG, University Hospital Bern

Active, not recruiting

Muscular and Cutaneous Dysfunction in POTS

Postural Tachycardia Syndrome

Switzerland
Vanderbilt University

Active, not recruiting

Reduction in Splanchnic Capacitance Contributes to Sympathetically Dependent Hypertension in Autonomic

Multiple System Atrophy | Orthostatic Hypotension | Supine Hypertension

United States
Jonathann Kuo, MD

Active, not recruiting

Dual Sympathetic Blocks for Patients Experiencing Sympathetically-Mediated Symptoms From Long COVID (DSBLongCOVID)

SARS-CoV2 Infection | Post-COVID-19 Syndrome | Dysautonomia | Post Acute COVID-19 Syndrome | Long COVID | Long Covid19 | COVID-19 Recurrent | Post-Acute COVID-19 | Post-Acute COVID-19 Infection | Post Acute Sequelae of COVID-19 | Dysautonomia Like Disorder | Dysautonomia Orthostatic Hypotension Syndrome | Post... and other conditions

United States
Technical University of Munich
University Hospital, Aachen

Completed

POTS-CFS Study: Orthostatic Intolerance in the Context of Pediatric ME/CFS (POTS-CFS)

Orthostatic Intolerance | Postural Orthostatic Tachycardia Syndrome | Chronic Fatigue Syndrome in Adolescence

Germany
Satish R. Raj
National Center for Advancing Translational Sciences (NCATS)

Active, not recruiting

Treatment of Orthostatic Intolerance

Tachycardia | Chronic Orthostatic Intolerance

United States
Satish R. Raj
National Center for Research Resources (NCRR)

Active, not recruiting

Sleep Actigraphy in Postural Tachycardia Syndrome (POTS)

Orthostatic Intolerance | Sleep Disorders | Postural Tachycardia Syndrome

United States
Vanderbilt University

Active, not recruiting

Assessment of Antibodies and Inflammatory Markers in Postural Tachycardia Syndrome

Postural Orthostatic Tachycardia Syndrome

United States
Vanderbilt University
National Heart, Lung, and Blood Institute (NHLBI); National Center for Research...

Active, not recruiting

Acute Salt Handling in Orthostatic Intolerance

Orthostatic Intolerance | Postural Tachycardia Syndrome | Orthostatic Tachycardia

United States
Satish R. Raj

Active, not recruiting

Water and the Gastropressor Response - Tachyphylaxis

Orthostatic Hypotension

United States
Satish R. Raj

Active, not recruiting

Water and the Gastropressor Response - Diurnal Variability

Orthostatic Hypotension

United States
Vanderbilt University Medical Center
National Institute of Neurological Disorders and Stroke (NINDS); University... and other collaborators

Enrolling by invitation

POTS NET mRNA Functional Correlation With NET Activity

Postural Tachycardia Syndrome

United States
Vanderbilt University Medical Center

Active, not recruiting

Intravenous (IV) Saline and Exercise in Postural Tachycardia Syndrome (POTS)

Postural Tachycardia Syndrome

United States
Biotronik SE & Co. KG

Completed

Head-up Tilt Test in Patients With Reflex Syncope and Asystolic Response Who Received a Dual-chamber Pacemaker With the Closed Loop Stimulation (CLS) and Participated in the BIOSync Trial (BIO|Sync-HUTT)

Syncope | Syncope, Vasovagal

Italy
Vanderbilt University Medical Center
NYU Langone Health

Completed

Norepinephrine Transporter Blockade, Autonomic Failure (NETAF) (NETAF)

Neurogenic Orthostatic Hypotension

United States
H. Lundbeck A/S

Completed

Sustained Effect of Droxidopa in Symptomatic Neurogenic Orthostatic Hypotension (RESTORE)

Symptomatic Neurogenic Orthostatic Hypotension

United States
Duke University
Centers for Disease Control and Prevention

Completed

Presyncope (Syncope) Prevention Study (PS^2)

Syncope, Vasovagal

United States
ISAR Klinikum

Active, not recruiting

Influence of RIC on the Orthostatic Competence of the Microcirculation

Orthostatic Intolerance | Remote Ischemic Preconditioning | Hemodynamics | Microcirculation

Germany
Pusan National University Yangsan Hospital

Active, not recruiting

Heart Rate Variability and Its Association With Symptom of Orthostatic Hypotension in Spinal Cord Injury

Spinal Cord Injuries | Orthostatic Hypotension | Heart Rate Variability

Korea, Republic of

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