Treatment of Orthostatic Intolerance
Information source: Vanderbilt University
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.
Condition(s) targeted: Tachycardia; Chronic Orthostatic Intolerance
Intervention: Acetazolamide (Drug); Atomoxetine (Drug); NO Drug (Other); Clonidine (Drug); Entacapone (Drug); Entacapone & Propranolol (Drug); Atomoxetine & Propranolol (Drug); Indomethacin (Drug); Mecamylamine (Drug); Isosorbide Dinitrate (Drug); Melatonin (Dietary Supplement); Midodrine (Drug); Modafinil (Drug); Octreotide (Drug); Placebo (Radiation); Propranolol (Drug); Modafinil & Propranolol (Drug); Sertraline (Drug); IV Saline (Procedure); Drinking Water (Other); Breathing Device (Device); memantine (Drug); Abdominal binder (Device)
Phase: Phase 1/Phase 2
Status: Active, not recruiting
Sponsored by: Satish R. Raj
Official(s) and/or principal investigator(s):
Satish R Raj, MD MSCI, Principal Investigator, Affiliation: Vanderbilt University School of Medicine
This trial is designed to study the effects of various mechanistically unique medications in
controlling excessive increases in heart rate with standing and in improving the symptoms of
orthostatic intolerance in patients with this disorder.
Official title: Treatment of Orthostatic Intolerance
Study design: Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment
Primary outcome: Increase in heart rate with standing
Sitting heart rate
Standing heart rate
Decrease in blood pressure with standing
Orthostatic symptoms score
Minimum age: 18 Years.
Maximum age: 70 Years.
- Chronic symptoms (> 6 months) with standing upright
- Obvious cause of hypovolemia or drugs that could worsen tachycardia
- Chronic severe medical conditions such as cancer or ischemic heart disease
Locations and Contacts
Vanderbilt University Autonomic Dysfunction Center, Nashville, Tennessee 37232-2195, United States
Vanderbilt University Autonomic Dysfunction Center website
Starting date: April 1997
Last updated: December 18, 2014