- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02467296
Dietary Sodium Intake and Outcomes in Heart Failure (PROHIBITSodium)
Rationale and Design of the PRevent Adverse Outcomes in Heart faIlure By limITing Sodium Study
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Despite the intense research for improving outcomes in heart failure, evidence remains scarce (and mostly observational) for dietary sodium restriction, arguably the most widely recommended self-care measure for heart failure. In explicit acknowledgement of the evidence gaps and unclear benefits, the recent European Society of Cardiology guidelines have not assigned a level of evidence to sodium intake recommendations and the American College of Cardiology (ACC) and American Heart Association (AHA) guidelines do not provide a specific target level of sodium intake for patients with HF.
Although it seems reasonable to restrict sodium below <3000 mg/d in heart failure, it is currently unknown how "low" is appropriate for these patients.
This study will attempt to provide the basis to evaluate the above guidelines by determining, in consecutive HFrEF patients with EF ≤40% during an acute HF admission, the proportion of patients who: (1) are willing to participate in a 12-week feeding trial; (2) meet the trial eligibility criteria; and (C) subsequently continue to consume ≥3000 mg/d sodium 15-30 days post discharge despite discharge instructions. This will allow the investigators to estimate enrollment rates in a full-scale trial.
This study will randomize 50 eligible patients to prepared meal plans with either 1500 mg/d vs. 3000 mg/d sodium for 12 weeks .
The hypotheses of the present study are that (1) ≥ 90% of patients will be retained on the study by 12 weeks (or at first outcome or safety event) and (2) patients will be compliant with provided food ≥ 90% of the study days.
Study Primary Endpoints:
(i) Overall on-study retention and (ii) compliance with the prepared food, assessed via daily food diaries and 24-h urine collections at baseline, 4, 8, and 12 weeks.
Study Secondary Endpoints:
Estimate trends in (1) all-cause mortality, readmissions, and emergency room visits; (2) NT-pro-B-type natriuretic peptide levels; and (3) diet palatability and quality of life, between the two arms.
Safety endpoints:
Safety of the intervention assessed by vital sign and laboratory assessments. This pilot study is expected to yield critical information necessary and sufficient to design a full-scale clinical trial that will provide evidence for dietary sodium recommendations in heart failure.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
New York
-
Stony Brook, New York, United States, 11794
- Stony Brook University
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age ≥21 years at screening
- Recent (≤1 year) EF ≤40%
- Standard HF treatment, including ACEI/ARB & beta-blockers & aldosterone antagonists, unless contraindicated or intolerant
5. Able to consume research diet (e.g. no dysphagia etc.) 6. Systolic blood pressure ≥100 mmHg 7. >3000 mg/d sodium excretion (by 24-hr urinary sodium)
Exclusion Criteria:
- Institutionalized patients
- Siogns or symptoms of instability in HF status
- Communication barriers, including cognitive impairment; inability to communicate and understand and cooperate with the protocol
- Severe non-cardiac illness that compromises life expectancy within the next 12 months or the ability to participate in the study (e.g. severe hepatobiliary disease, cancer underground chemo- or radiotherapy)
- Any medical or surgical procedure planned in the next 6 months
- Participants planning to move to a different state within 6 months
- Participation in any other experimental protocol
- Renal replacement therapy or Stage 4 or 5 chronic kidney disease
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: A: 1.5 gr of Sodium
Meal Plans with 1.5 gr of Sodium
|
Dietary plan with 1.5 gr vs 3 gr of Sodium
|
Active Comparator: B: 3 gr of Sodium
Meal Plans with 3 gr of Sodium
|
Dietary plan with 1.5 gr vs 3 gr of Sodium
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Patient On-Study Retention
Time Frame: 3 month meal plan
|
Percentage of patients retained in the study
|
3 month meal plan
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
All cause mortality
Time Frame: 6 months follow up period
|
Percentage of patients died
|
6 months follow up period
|
Rehospitalization
Time Frame: 6 months follow up period
|
Percentage of patients rehospitalized
|
6 months follow up period
|
Emergency room visits
Time Frame: 6 months follow up period
|
Percentage of patients visited emergency room
|
6 months follow up period
|
NT-proBNP
Time Frame: 6months follow up period
|
Concentration in pg/ml
|
6months follow up period
|
Kansas City Cardiomyopathy Questionnaire
Time Frame: 6 months follow up period
|
The 23-item Kansas City Cardiomyopathy Questionnaire (KCCQ) measures health status in patients with heart failure (HF), KCCQ has 6 domains and 2 summary scores: Symptom Domain: frequency and burden of symptoms. Physical Function Domain: limitations. Quality of Life (QoL) Domain: reflects QoL Social Limitation Domain: ability to interact in social activities. Self-efficacy Domain: patients' perceptions of how to prevent HF exacerbations. Symptom Stability Domain: recent changes in symptoms. Clinical Summary Score includes total symptom and physical function. Overall Summary Score includes the total symptom, physical function, social limitations and QoL scores. The KCCQ is scored by assigning each response an ordinal value, beginning with 1. Scale scores are transformed to a 0 to 100 range by subtracting the lowest possible scale score, dividing by the range of the scale and multiplying by 100. Best is 100. |
6 months follow up period
|
Food Palatability Questionnaire
Time Frame: 6 months follow up period
|
Likert Scales for appearance, taste, and quantity of food (from 1 to 5 - 5 being the most acceptable)
|
6 months follow up period
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Systolic Blood Pressure
Time Frame: 6 month follow up
|
'mmHg'
|
6 month follow up
|
Creatinine
Time Frame: 6 month follow up
|
'mg/dl'
|
6 month follow up
|
Blood Urea Nitrogen
Time Frame: 6 month follow up
|
'mg/dl'
|
6 month follow up
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Javed Butler, MD, MPH, MBA, Stony Brook University
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 1R34HL119773 (U.S. NIH Grant/Contract)
- 639316 (Other Identifier: Stony Brook CORIHS A)
- R34HL119773 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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