Status:
COMPLETED
"SALT Trial" Study of Ascending Levels of Tolvaptan in Hyponatremia
Lead Sponsor:
Otsuka Pharmaceutical Development & Commercialization, Inc.
Collaborating Sponsors:
Otsuka Pharmaceutical Co., Ltd.
Conditions:
Hyponatremias
Water Intoxication
Eligibility:
All Genders
18+ years
Phase:
PHASE3
Brief Summary
This study's purpose is to determine whether tolvaptan can safely and effectively return the body's balance of sodium and water toward normal, and to characterize and quantify the potential clinical b...
Detailed Description
Hyponatremia is defined as a serum sodium concentration below the lower limit of normal and is the most frequently encountered electrolyte abnormality in hospitalized patients. Generally speaking, mos...
Eligibility Criteria
Inclusion
- Inclusion Criteria
- Hyponatremia in euvolemic or hypervolemic states, defined as serum sodium \<135 mEq/L prior to randomization.
- Able to give Informed Consent
- Exclusion Criteria
- Women who are breast feeding and females of childbearing potential who are not using acceptable contraceptive methods
- Hyponatremia in hypovolemic states.
- Acute and transient hyponatremia associated with head trauma or post-operative state.
- Hyponatremia due to uncontrolled hypothyroidism or uncontrolled adrenal insufficiency.
- Cardiac surgery within 30 days of potential study enrollment, excluding percutaneous coronary interventions.
- History of a myocardial infarction within 30 days of potential study enrollment.
- History of sustained ventricular tachycardia or ventricular fibrillation within 30 days, unless in the presence of an automatic implantable cardioverter defibrillator.
- Severe angina including angina at rest or at slight exertion and/or unstable angina.
- History of a cerebrovascular accident within the last 30 days. 10) Subjects with psychogenic polydipsia may not be included, however subjects with other psychiatric illness may be included.
- Systolic arterial blood pressure \<90 mmHg.
- History of hypersensitivity and/or idiosyncratic reaction to benzazepine or benzazepine derivatives (such as benazepril).
- History of drug or medication abuse within the past year,or current alcohol abuse.
- Uncontrolled diabetes mellitus defined as fasting glucose \>300mg/dL.
- Urinary tract obstruction except BPH if non-obstructive.
- Previous participation in another clinical drug trial within the past 30 days.
- Previous participation in this or any other tolvaptan clinical trial.
- Terminally ill or moribund condition with little chance of short term survival.
- Serum creatinine \>3.5 mg/dL.
- Serum sodium \<120 mEq/L with associated neurologic impairment, i.e. symptoms such as apathy, confusion, seizures.
- Patients with progressive or episodic neurologic disease such as multiple sclerosis or history of multiple strokes.
- Child-Pugh score greater than 10 (unless approved)
- Patients receiving intravenous fluids at a rate greater than KVO (Keep Vein Open).
- Hyponatremia due to lab artifacts
- Patients receiving AVP or its analogs for treatment of any condition.
- Patients receiving within 7 days of randomization, other medications for treatment of hyponatremia specifically: demeclocycline, lithium carbonate or urea
- Patients likely requiring IV saline for correction of symptomatic or asymptomatic severe hyponatremia during the course of the study.
- Severe pulmonary artery hypertension
- Hyponatremia should not be the result of any medication that can safely be withdrawn
Exclusion
Key Trial Info
Start Date :
April 1 2003
Trial Type :
INTERVENTIONAL
End Date :
February 1 2006
Estimated Enrollment :
240 Patients enrolled
Trial Details
Trial ID
NCT00072683
Start Date
April 1 2003
End Date
February 1 2006
Last Update
January 26 2007
Active Locations (23)
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1
VA Greater Los Angeles Health Care Ctr
Los Angeles, California, United States, 90073
2
UCLA
Los Angeles, California, United States, 93552
3
UCSF Medical Center
San Francisco, California, United States, 94143
4
Aurora Denver Cardiology Association
Denver, Colorado, United States, 80218