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Smart underwear tracks your farts to reveal gut health

NCT ID NCT06802276

Knowledge-focused Sponsor: University of Colorado, Denver Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a wearable smart underwear device that measures hydrogen sulfide gas from gut microbes. 25 healthy adults will eat high-cysteine and low-cysteine diets to see if the device can detect diet-related changes in gas production. The goal is to develop a non-invasive tool for understanding gut health.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
High and low cysteine diets
What this could lead to
If successful, this could lead to a non-invasive way to measure gut health through gas production.
What could go wrong
This is a small, early-stage study focused on measurement, not treatment. The device may not be accurate or practical for wider use.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 25 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2025

Expected to finish

Jun 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

The inclusion/exclusion criteria will identify generally healthy volunteers that are able to ingest the intervention diets. Exclusion criteria based on diseases, medications, allergies, and specific dietary requirements will minimize the risks of adverse reactions to the intervention diets. Inclusion Criteria: * Generally healthy volunteers defined as having no major known health conditions (e.g., diabetes, cancer, hypertension, etc.). * Normal bowel movements, with approximately 1 bowel movement reported per day * Willing to discuss flatus * Ages \>18yrs * Willing to complete the entire study protocol, i.e. eating all of the food that is provided and completing all required measurements. Exclusion Criteria: * Self-report or other evidence of diabetes, other endocrine/metabolic abnormality, dyslipidemia, morbid obesity, severe hypertension, chronic kidney disease, liver disease, pulmonary disease, gastrointestinal, and cardiovascular diseases * Chronic medications for any of the above conditions * Food allergy that interferes with ability to complete the study * Food preferences, intolerance, or dietary requirements that would interfere with diet adherence * Planned dietary changes during the study period * Lack of appropriate food refrigeration and preparation equipment (e.g.- oven or microwave) * Pregnancy or planned pregnancy in the next month * Physical measurements: BMI \> 35 kg/m2

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Gastrointestinal microbiome Hydrogen sulfide

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Colorado Anschutz Medical Campus

    RECRUITING

    Aurora, Colorado, 80045, United States

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