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RECRUITINGNA

A SkeleTal Muscle Recovery Intervention With Dietary Protein in Heart Failure

NCT05627440•Tufts Medical Center

Summary

Severe skeletal wasting and catabolic weight loss are highly common among patients with heart failure with reduced ejection fraction (HFrEF). This prospective randomized controlled trial will compare changes in the muscle mass in the arms and the legs (appendicular lean mass) in patients with HFrEF randomized between 3 groups of no, low- or high-dose protein supplementation. The dietary protein supplementation will be Ensure(R) products manufactured by Abbott Nutrition. The Investigators hypothesize that skeletal muscle wasting in HFrEF is promoted by neurohumoral activation of catabolic metabolism (such as GDF-15 and ActRII pathways) and can be at least partially reversed by increased dietary protein intake. It is anticipated that this study will determine whether dietary protein supplementation helps to prevent muscle wasting and will advance understanding of the GDF-15 and ActRII muscle wasting pathways.

Eligibility

Age

18 - 100 years

Sex

ALL

Healthy Volunteers

Inclusion Criteria

•1. Left ventricular ejection fraction (LVEF) ≤40%, New York Heart Association (NHYA) class II to IV symptoms or N-terminal pro B-natriuretic peptide (NT-proBNP) \>300 pg/mL
•2. Age 18 years to 100 years, inclusive
•3. Receiving guideline-directed medical therapy (GDMT), unless contraindicated or not tolerated
•4. Any of the following markers of severe HF within prior 12 months: i) Inotropic therapy; ii) 1 or more HF hospitalizations; iii) LVEF ≤25%; iv) Peak oxygen consumption (VO2) \<50% predicted or ≤16 mL/kg/min; v) 6-minute walk distance \<300 meters; vi) Unintentional weight loss \>5% of bodyweight over the past year; vii) Moderate or severe muscle wasting on physical examination; viii) NT-proBNP ≥900 pg/mL

Exclusion Criteria

•1. Pregnancy, planning to become pregnant, or women of reproductive potential unwilling to complete pre-DXA urine pregnancy test before first DXA or randomization
•2. History of left ventricular assist device (LVAD), heart transplantation, or estimated glomerular filtration rate (eGFR) \<20 mL/min/1.73 m2
•3. An identified clinical disorder associated with skeletal muscle weakness/wasting (e.g., muscular dystrophy, mitochondrial disorder, active cancer, modified Rankin score greater or equal to 4 post-stroke)
•4. Milk allergy, protein allergy, lactose intolerance, and galactosemia
•5. Weight ≥350 pounds and/or BMI ≥40 kg/m2
•6. Initiation of obesity-dosed GLP-1 or GIP/GLP-1 agonist within 3 months prior to screening, or clinical intention to begin such an anti-obesity medication within the next 6 months.

Locations (2)

Tufts Medical Center

Boston, Massachusetts, United States

Cleveland Clinic

Cleveland, Ohio, United States

Key Dates

Start Date

April 24, 2023

Primary Completion Date

June 1, 2027

Completion Date

December 31, 2027

Last Updated

November 25, 2025

Enrollment

120

ESTIMATED participants

Conditions

Heart FailureMuscle Atrophy

Interventions

Ensure Max Protein

DIETARY_SUPPLEMENT

Ensure Original

DIETARY_SUPPLEMENT

Contacts

Amanda R Vest, MBBS

CONTACT

2164446798 vesta2@ccf.org

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: November 25, 2025Data synced to Clareo: March 29, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

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A SkeleTal Muscle Recovery Intervention With Dietary Protein in Heart Failure

Inclusion Criteria

Exclusion Criteria

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