Dietary Fiber: Is it the Missing Link in Achieving Long Term Behavior Change?

Running, not enrolling · Not applicable

Conditions studied: Obesity

In brief

The overall objective of this three-arm randomized controlled trial is to compare a dietary fiber-focused behavioral intervention to standard weight loss education for improving eating-related behavior and cognition, weight, and metabolic markers of chronic disease risk in a population of adults with obesity.

Key facts

Study ID

NCT06227494

Run by

Oklahoma State University

People needed

63

Starts

2023-07-10

Expected to finish

2026-02-28

Last updated by the study team

2025-09-29

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• 18-65 years of age
• Dietary fiber intake ≤25 grams/day
• Self-reported BMI ≥30 kg/m2
• Willingness to attend in-person education sessions
• Willingness to avoid taking supplemental digestive aids (e.g., alpha-galactosidase (Beano®),
• Willingness to provide informed consent.

You may not qualify if…

• Metabolic, digestive, or allergic conditions or reactions that preclude consumption of whole food or food groups (e.g., irritable bowel syndrome, diverticulosis)
• History of gastric bypass surgery
• Currently taking glucagon like glucagon-like peptide-1 (GLP-1) Receptor Agonists
• Self-reported history of a diagnosed eating disorder
• Chronic disease (other than obesity)
• Pregnancy or lactation
• Use of tobacco or electronic smoking products
• Taking a pre-, pro-, or syn-biotic supplement
• Enrollment in another weight loss or diet intervention

Where it is running

• Oklahoma State University — Stillwater, Oklahoma, United States

Full record on ClinicalTrials.gov

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