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Concentrated Saline Infusions and Increased Dietary Sodium With Diuretics for Heart Failure With Kidney Dysfunction

This study has been terminated.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00575484
First Posted: December 18, 2007
Last Update Posted: January 24, 2014
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Collaborator:
Washington University School of Medicine
Information provided by (Responsible Party):
Anitha Vijayan, MD, Washington University School of Medicine
  Purpose
At present the standard management of fluid overload in patients with congestive heart failure (CHF) involves limiting the intake of salt and water while administering high dose diuretics, often at the cost of deteriorating kidney function. However, another group of researchers has previously shown that intravenously infusing small volumes of concentrated saline during diuretic dosing and liberalizing dietary salt intake while continuing to limit water consumption resulted in improved fluid removal in CHF patients. Furthermore, less deterioration in kidney function, shorter hospitalizations, reduced readmission rates, and even reduced mortality were observed. The present study will examine this novel therapy in a population of 60 patients with underlying severe CHF and kidney dysfunction hospitalized for the management of fluid overload. Half of these patients will receive investigational treatment with concentrated salt infusions and liberalized salt consumption during diuretic therapy. All patients will otherwise receive the standard therapies for heart failure, including restrictions on water consumption. This study will attempt to verify the improvements in clinical endpoints previously described and define the mechanisms of enhanced fluid removal.

Condition Intervention Phase
Congestive Heart Failure Renal Insufficiency Drug: Hypertonic saline, then oral sodium chloride Drug: Normal saline, then oral placebo capsule Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Hypertonic Saline With Furosemide and a Normosodic Diet for the Treatment of Decompensated Congestive Heart Failure With Prerenal Physiology

Resource links provided by NLM:


Further study details as provided by Anitha Vijayan, MD, Washington University School of Medicine:

Primary Outcome Measures:
  • duration of hospitalization [ Time Frame: duration of hospitalization ]
  • weight loss at discharge [ Time Frame: duration of hospitalization ]
  • weight loss at 60 days [ Time Frame: 60 days after discharge ]

Secondary Outcome Measures:
  • number of readmissions [ Time Frame: 60 days after discharge ]
  • GFR by creatinine clearance at discharge [ Time Frame: duration of hospitalization ]
  • estimated GFR at 60 days after discharge [ Time Frame: 60 days after discharge ]
  • 24hr urine output at discharge [ Time Frame: last 24hrs of hospitalization ]
  • need for inotrope or extracorporeal volume removal [ Time Frame: 60 days after discharge ]

Enrollment: 11
Study Start Date: November 2007
Study Completion Date: July 2008
Primary Completion Date: July 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Placebo Comparator: 1 Drug: Normal saline, then oral placebo capsule
20mL normal saline infusion X 30min BID dosed simultaneously with IV bolus furosemide BID (latter dose per treating physician) PLUS 2gm sodium diet PLUS 1.5L fluid restriction. After switch to oral diuretic, begin oral placebo capsule BID, dosed with loop diuretic (dose per treating physician) PLUS 2gm sodium diet PLUS 1.5L fluid restriction.
Active Comparator: 2 Drug: Hypertonic saline, then oral sodium chloride
2mL/kg hypertonic saline (4.4% NaCl if serum sodium </=135, else 2.8% NaCl) infused over 30min BID and dosed simultaneously with IV bolus furosemide BID (latter dose per treating physician) until patient is switched to oral loop diuretic. After switch to oral diuretic, subject will receive oral 0.75gm sodium (NaCL) capsule dosed BID with loop diuretic (latter dose per treating physician) until 60d after discharge.

  Eligibility

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Adult patients (age ≥18) admitted with CHF exacerbation with NYHA Class III-IV symptoms at screening.
  • Left ventricular ejection fraction </= 45%, as determined by previous echocardiogram, left ventricular angiogram, or thallium myocardial imaging.
  • Estimated GFR <60 ml/min/1.7m² with significant prerenal physiology as judged by prior documented volume mediated changes in renal function, a fractional excretion of urea <35%, or a fractional excretion of sodium <1%. For GFR 30-60: must have serum sodium </= 135 mEq/L OR large home diuretic dose (total daily loop diuretic dose >/= 120 mg/d in furosemide equivalents OR concomitant thiazide use). For GFR <30: no additional criteria needed.

Exclusion Criteria:

  • Admit estimated GFR < 15mL/min or predicted need for chronic hemodialysis within the next 60 days.
  • Cause of acute kidney injury other than prerenal physiology.
  • No loop diuretic prior to admission or loop diuretic initiated within the 2 wks prior to admission.
  • Medicine or dietary noncompliance expected to prevent successful study participation.
  • > 36hrs since presentation to screening.
  • Serum Na > 145 mEq/L OR < 120 mEq/L at screening.
  • Systolic blood pressure > 180 mmHg at screening.
  • Presentation with acute coronary syndrome OR left heart catheterization planned at screening.
  • Current or impending respiratory failure at screening.
  • Current calcineurin inhibitor or nesiritide use.
  • Nephrotic-range proteinuria.
  • Clinical evidence for the presence of cirrhosis with bilirubin >/= 2mg/dL or international normalized ratio (not on coumadin) >/= 1.7.
  • Presence of another active medical issue which may prolong hospital admission or delay aggressive CHF therapy.
  • Participation in another interventional study.
  • Pregnancy.
  • Prisoners.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00575484


Locations
United States, Missouri
Barnes-Jewish Hospital; Washington University School of Medicine
Saint Louis, Missouri, United States, 63110
Sponsors and Collaborators
Barnes-Jewish Hospital
Washington University School of Medicine
Investigators
Principal Investigator: Anitha Vijayan, M.D. Renal Division, Washington University School of Medicine
Principal Investigator: Kamalanathan K Sambandam, M.D. Renal Division, Washington University School of Medicine
Principal Investigator: Gregory A Ewald, M.D. Cardiovascular Division, Washington University School of Medicine
  More Information

Publications:
Responsible Party: Anitha Vijayan, MD, Professor of Medicine, Washington University School of Medicine
ClinicalTrials.gov Identifier: NCT00575484     History of Changes
Other Study ID Numbers: 00904-0407-01
First Submitted: December 17, 2007
First Posted: December 18, 2007
Last Update Posted: January 24, 2014
Last Verified: January 2014

Keywords provided by Anitha Vijayan, MD, Washington University School of Medicine:
Congestive Heart Failure
Renal Insufficiency
Hypertonic Saline Solution
Diuretic Resistance
Cardiorenal Syndrome

Additional relevant MeSH terms:
Heart Failure
Renal Insufficiency
Heart Diseases
Cardiovascular Diseases
Kidney Diseases
Urologic Diseases
Furosemide
Diuretics
Natriuretic Agents
Physiological Effects of Drugs
Sodium Potassium Chloride Symporter Inhibitors
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action