Orthostatic Hypotension
Conditions
Keywords
cardiovascular and respiratory diseases, disease-related problem/condition, orthostatic hypotension, quality of life, rare disease
Brief summary
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.
Detailed description
PROTOCOL OUTLINE: This is a partially randomized, multicenter study. Patients receive oral midodrine three times a day during weeks 1 and 3-5, then either oral midodrine or placebo for weeks 6-8. Quality of life is assessed at weeks 3, 6, and 8.
Interventions
DRUGmidodrine
Sponsors
Roberts Pharmaceutical
National Center for Research Resources (NCRR)
Study design
Primary purpose
TREATMENT
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
PROTOCOL ENTRY CRITERIA: --Disease Characteristics-- Orthostatic hypotension due to autonomic nervous system failure, i.e.: Fall in systolic blood pressure (supine to standing) of at least 15 mm Hg AND Symptoms of dizziness, lightheadedness, unsteadiness with a severity of 4.5 or less on a 10 point scale in 2 of 3 evaluations over a 3 day period --Prior/Concurrent Therapy-- No concurrent sympathomimetics or alpha-receptor agonists or antagonists No concurrent drug with significant smooth muscle relaxant or constrictive properties e.g., calcium channel blockers At least 30 days since other prior investigational agents --Patient Characteristics-- Hepatic: No coagulopathy Renal: No acute nephritis or chronic renal failure Cardiovascular: No sustained supine hypertension greater than 180/110 mm Hg No congestive heart failure No myocardial infarction within the last 6 months No uncontrolled arrhythmia (ventricular tachycardia or second or third degree heart block not treated with pacemaker) No unstable angina pectoris No history of cerebral vascular accident Other: No pheochromocytoma No thyrotoxicosis No seizure disorder Not pregnant or nursing Negative pregnancy test Fertile patients must use effective contraception
Countries
United States
Outcome results
None listed