Weight Loss as Therapy for Heart Failure With Preserved Ejection Fraction (WTLSSCHF)
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
South Carolina
-
Charleston, South Carolina, United States, 29425
- MUSC Gazes Research Institue
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- BMI > 30
- Able to perform 6 minute hall walk test
- Left Ventricular ejection fraction >45%
- Diagnosis of heart failure with preserved ejection fraction (HFpEF) ; confirmation of HFpEF based on 1 major or 3 minor criteria listed below.
Major:
- Elevated BNP >200
- cardiogenic pulmonary edema
- Pulmonary capillary wedge pressure at rest >15 mmhg or with exercise >25 mmhg using invasive right heart pressure measurement
Minor:
- Left atrial enlargement (volume >68 ml)
- increased left ventricular wall thickness (>1.1cm) by echocardiography
- E/e' >15
- intermediate level of BNP, 60-199
Exclusion Criteria:
- uncontrolled blood pressure
- severe chronic obstructive pulmonary disease (oxygen or steroid dependent)
- recurrent major depression. presence or history of suicide behavior, and current substantial depressive symptoms. Antidepressant drugs are allowed if the dose has been stable for 3 months
- other major psychiatric illness (schizophrenia, bipolar, dementia)
- significant hepatic dysfunction
- untreated hypothyroidism or hyperthyroidism
- history of drug or alcohol abuse or dependency within the past 12 months
- acute coronary syndrome without revascularization in the past 12 months
- acute coronary syndrome with revascularization in the past 6 months
- Cerebrovascular accident or transient ischemic attack in the past 6 months
- cancer or terminal illness with life expectancy < 3 years
- history of medical noncompliance
- significant anemia (hgb <9)
- life threatening or uncontrolled arrhythmia
- hemodynamically relevant valvular heart disease
- infiltrative heart disease including cardiac amyloidosis, sarcoidosis, Fabry's disease
- genetic hypertrophic cardiomyopathy
- significant pericardial disease
- clinically relevant neuromuscular disease
- pregnant or may become pregnant in the next 6 months
- prior major organ transplant or intent to transplant ( on the transplant list)
- pacemaker dependant
- clinically significant congenital heart disease that may be cause of symptoms
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Lifestyle modification
|
Subjects will be given meal replacements (shakes and bars) to be consumed twice per day for 8 weeks, and then once per day for an additional 3 weeks, and then transitioned to a structured diet.
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Change in 6 minute hall walk test from baseline
Time Frame: 6 months
|
Exercise capacity
|
6 months
|
|
Change in symptoms measured with the Minnesota Living With Heart Failure(MLWHF) scores
Time Frame: 6 months
|
Quality of life assessment specific for congestive heart failure
|
6 months
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Left Ventricular mass
Time Frame: 6 months
|
Changes in left ventricular mass will be measured by transthoracic echocardiography
|
6 months
|
|
Brain Natriuretic Peptide
Time Frame: 6 months
|
Brain natriuretic peptide will be measured in serum using standard commercial assay
|
6 months
|
Other Outcome Measures
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Left Atrial Volume
Time Frame: 6 months
|
Left atrial volume will be measured by transthoracic echocardiography
|
6 months
|
|
Early mitral inflow velocity/mitral annular velocity (E/e')
Time Frame: 6 months
|
E/e' will be measured by transthoracic echocardiography
|
6 months
|
Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimated)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- WTLSSCHF
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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