Using the Smart Underwear Device to Determine a Baseline of Flatus Activity Normalized to Fiber Intake
NCT ID: NCT07134543
Last Updated: 2025-12-23
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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RECRUITING
500 participants
OBSERVATIONAL
2025-12-01
2026-12-01
Brief Summary
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The main questions it aims to answer are:
* What is the average frequency of flatus events in a general adult population?
* How does dietary fiber intake influence flatus frequency and microbiome activity?
Researchers will collect gas sensor data from the Smart Underwear device alongside dietary information logged in a mobile app to assess the relationship between diet and microbiome activity.
Participants will:
* Complete an online eligibility survey, consent form, and background questionnaire.
* Wear the Smart Underwear device for at least 12 hours per day for three consecutive days.
* Log all meals with photos using a custom smartphone app.
* Complete a short post-wear survey about device comfort and usability.
All study procedures will be conducted remotely. Data will be analyzed in de-identified form to evaluate baseline flatulence patterns, normalized to fiber intake, in the general adult population.
Detailed Description
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Conditions
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Study Design
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ECOLOGIC_OR_COMMUNITY
PROSPECTIVE
Study Groups
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American adults
American adults that are at least 18 years old, live in the United States, are not pregnant or lactating, and agree to wear the Smart Underwear device.
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
* Lives in the US
* Is not pregnant or lactating
* Is willing to wear the Smart Underwear device as instructed in the study procedures
Exclusion Criteria
* Lives outside the US
* Is pregnant or lactating
* Is not willing to wear the Smart Underwear device as instructed in the study procedures
18 Years
ALL
Yes
Sponsors
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University of Maryland, College Park
OTHER
Responsible Party
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Locations
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Bioscience Research Building
College Park, Maryland, United States
University of Maryland Bioscience Research Building
College Park, Maryland, United States
Countries
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Central Contacts
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Facility Contacts
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Brantley Hall, PhD
Role: primary
Branley Hall, PhD
Role: primary
Other Identifiers
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Human Flatus Atlas
Identifier Type: -
Identifier Source: org_study_id