Investigating the Tolerability of Oat Fiber (BG-OS) in Healthy Individuals

Study Results

Results pending

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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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-01-15

Study Completion Date

2025-04-25

Brief Summary

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The goal of this interventional study is to evaluate the tolerability and potential health benefits of oat fiber oligosaccharide (BG-OS) in healthy adults aged 18-70 years.

The main questions it aims to answer are:

* Does oat fiber dose impact gastrointestinal tolerability, as assessed by changes in symptoms using the Gastrointestinal Symptom Rating Scale (GSRS)?
* Does oat fiber reduce postprandial glucose levels after a white rice challenge? Researchers will compare three groups receiving different doses of oat fiber (5 g, 10 g, and 20 g) to assess dose-related effects.

Participants will:

* Complete daily surveys on gastrointestinal symptoms, diet, energy, and sleep quality.
* Use a continuous glucose monitoring device (CGM) to track glucose levels throughout the study.
* Participate in standardized white rice challenge tests to measure glucose uptake during baseline and at one time point during study.
* Provide stool samples during baseline and at the end of the study for gut microbiota analysis.
* Undergo blood tests for biomarkers like CBC, CMP, and A1C at the beginning and end of the study.

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Detailed Description

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The rationale for this study is to determine the gastrointestinal tolerability of a food-grade fiber obtained from oat (BG-OS) in healthy participants. Additionally, the study aims to observe the effects of the BG-OS on glucose uptake (as measured by Continuous Glucose Monitors or CGM) after a dietary challenge with cooked white rice, other potential health benefits of oat, and gut microbiota via activities and technologies that can successfully and effectively be completed and utilized in a home setting.

Outcomes will be examined in a broad age-range of adults who have chosen to try these products. The study incorporates participant reported outcomes and surveys, the use of a CGM device and carbohydrate (white rice) dietary challenge tests, at-home stool collection and standard blood sample collection for complete blood count (CBC), comprehensive metabolic panel (CMP) tests, and A1C hemoglobin test.

Conditions

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Digestive Health Metabolic Health

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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5 g/day of oat fiber

Participants receive 5 g/day of oat fiber (BG-OS) in a single dose

Group Type ACTIVE_COMPARATOR

No interventions assigned to this group

10 g/day of oat fiber

Participants receive 10 g/day of oat fiber (BG-OS) in a single dose.

Group Type ACTIVE_COMPARATOR

Oat fiber (BG-OS)

Intervention Type OTHER

Beta-glucan oligosaccharide (BG-OS) is beta-glucan predominant, dietary fiber obtained by extracting oat fiber from oat grain and applying a food-grade depolymerization process to shorten the polysaccharide chain length of the fiber. BG-OS retains the fiber structure of oat fiber but has a shorter chain length, which makes it water soluble and easily formulated into any food.

20 g/day of oat fiber

Participants receive 20 g/day of oat fiber (BG-OS) in a single dose.

Group Type ACTIVE_COMPARATOR

Oat fiber (BG-OS)

Intervention Type OTHER

Beta-glucan oligosaccharide (BG-OS) is beta-glucan predominant, dietary fiber obtained by extracting oat fiber from oat grain and applying a food-grade depolymerization process to shorten the polysaccharide chain length of the fiber. BG-OS retains the fiber structure of oat fiber but has a shorter chain length, which makes it water soluble and easily formulated into any food.

Interventions

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Oat fiber (BG-OS)

Beta-glucan oligosaccharide (BG-OS) is beta-glucan predominant, dietary fiber obtained by extracting oat fiber from oat grain and applying a food-grade depolymerization process to shorten the polysaccharide chain length of the fiber. BG-OS retains the fiber structure of oat fiber but has a shorter chain length, which makes it water soluble and easily formulated into any food.

Intervention Type OTHER

Other Intervention Names

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Oat beta-glucan oligosaccharides

Eligibility Criteria

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Inclusion Criteria

* Age: Healthy adults aged 18 to 70 years.
* Language Proficiency: Able to read and understand English.
* Informed Consent: Capable of providing informed consent.
* Technology Access: Must have a personal smartphone device.
* Able to download an app
* Study Commitment: Willing and able to complete all study assessments over a period of up to 7 weeks.

Exclusion Criteria

* Technology Access: Lack of a smartphone and/or internet access.
* Medical Conditions:

Significant abnormal laboratory values (CBC, CMP, or A1C ≥ 6.5%) at screening.

Diagnosed with gastrointestinal, digestive, or metabolic diseases, including:

Crohn's disease Ulcerative colitis Irritable bowel syndrome Celiac disease Gluten allergy Diabetes Obesity Significant illness, disease, or condition that may interfere with study participation or outcomes, as determined by the principal investigator.

* Allergies: Known allergic reactions to any component of the study product or rice challenge product.
* Medications: Prescribed medications likely to influence study measures.
* Diet and Supplements:

Use of fiber supplements within 30 days prior to enrollment or during the study.

Major changes in diet or exercise 30 days prior to enrollment or during the study.

* Antibiotics Use: Use of antibiotics within 30 days prior to enrollment or during the study.
* Pregnancy and Breastfeeding: Pregnant, planning to become pregnant, or currently breastfeeding.
* Substance Use: Excessive alcohol use or substance abuse.
* Compliance Concerns: Unlikely to comply with the study protocol for any reason, as determined by the principal investigator.

Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes