Dietary Fiber: Is it the Missing Link in Achieving Long Term Behavior Change?
NCT ID: NCT06227494
Last Updated: 2025-09-29
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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ACTIVE_NOT_RECRUITING
NA
63 participants
INTERVENTIONAL
2023-07-10
2026-02-28
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
FACTORIAL
TREATMENT
NONE
Study Groups
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Fiber Intervention
Individuals in this arm will be given instruction on how to increase fiber intake,
Fiber Intervention
Group education and phone-based motivational interviewing to gradually increase dietary fiber consumption to 30-35 grams per day.
Standard Weight Loss Education
Individuals in this arm will be given standard weight loss education
Standard Weight Loss Education
Group education and phone-based motivational interviewing to promote current evidence-based behaviors to promote weight loss via achieving a negative energy balance.
Fiber Intervention + Standard Weight Loss Education
Individuals in this arm will be given education on both fiber and standard weight loss
Fiber Intervention
Group education and phone-based motivational interviewing to gradually increase dietary fiber consumption to 30-35 grams per day.
Standard Weight Loss Education
Group education and phone-based motivational interviewing to promote current evidence-based behaviors to promote weight loss via achieving a negative energy balance.
Interventions
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Fiber Intervention
Group education and phone-based motivational interviewing to gradually increase dietary fiber consumption to 30-35 grams per day.
Standard Weight Loss Education
Group education and phone-based motivational interviewing to promote current evidence-based behaviors to promote weight loss via achieving a negative energy balance.
Eligibility Criteria
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Inclusion Criteria
* 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.
Exclusion Criteria
* 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
18 Years
65 Years
ALL
Yes
Sponsors
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Oklahoma State University
OTHER
Responsible Party
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Locations
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Oklahoma State University
Stillwater, Oklahoma, United States
Countries
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Other Identifiers
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IRB-23-59-STW
Identifier Type: -
Identifier Source: org_study_id
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