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RECRUITINGNANCT06337812

Fiber Supplementation in Heart Failure With Preserved Ejection Fraction (HFpEF)

The study team is studying how increasing dietary fiber, specifically through adding potato starch to participant's diet, may impact the species of bacteria in participant's gut microbiome. The study ...

Lead sponsor: University of Michigan•1 U.S. locations•View source on ClinicalTrials.gov

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Contacts

Hayley Billingsley, PhD

CONTACT

734-726-0308 hbilings@med.umich.edu

Sponsors

Lead Sponsor

University of Michigan

Age

18 - No limit years

Sex

ALL

Healthy Volunteers

No

Inclusion Criteria

•A confirmed clinical diagnosis of stable HFpEF on maximally tolerated Heart Failure (HF) medical regimen (without changes in dosage in the prior month)
•Left ventricular ejection fraction of \>50% documented in the prior 12 months
•A confirmed clinical diagnosis of Type II diabetes (T2DM) with glycated hemoglobin \<10% without changes in medical regimen in the past month.

Exclusion Criteria

•Current usage of pre- or probiotic usage
•Antibiotic usage in the past 6 months
•Current participation in another interventional clinical trial
•History of potato allergy or potato starch allergy, inflammatory bowel syndrome, inflammatory bowel disease, bowel resection, Roux-en-Y gastric bypass surgery, celiac disease, Crohn's disease, or colorectal cancer
•Hypoglycemic episode with blood glucose 70 milligrams per deciliter (mg/dL) within the last month
•Stage IV-V chronic kidney disease
•Pregnancy (self-reported)
•Comorbidity limiting survival to \< 12 months

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Data from ClinicalTrials.govLast updated on ClinicalTrials.gov: July 24, 2025Terms

Trial snapshot

StatusRECRUITING

PhaseNA

Enrollment30

Start dateApr 2024

Last updatedJul 24, 2025

Condition

Type2diabetes Heart Failure With Preserved Ejection Fraction

Locations shown

University of Michigan

Ann Arbor, Michigan

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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: July 24, 2025Data synced to Clareo: May 10, 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.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

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