A smarter filter for colostomy bags aims to end ballooning and odour

NCT ID NCT06739174

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 23, 2026 · Last updated Jul 24, 2026 · Updated 1 time

Summary

This study tests whether colostomy bags with an active chamber filter system cause fewer filter-related problems—like ballooning, pancaking, odour, and faecal leakage—than bags with a standard protective filter. About 27 adults who have had a colostomy for at least six months and regularly experience these issues will try three different bag types in a crossover design. The goal is to see if the new filter design offers a more comfortable and reliable experience.

What this could mean

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

Active substance
colostomy bags with an active chamber filter system
What this could lead to
If effective, these bags could reduce common, bothersome complications like ballooning and odour, improving daily life for people with a colostomy.
What could go wrong
This is a small crossover study with 27 participants, so results may not apply to everyone. The new filter design might not outperform standard bags for all users.

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 27 people

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

Started

Nov 2024

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

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

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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.

Inclusion Criteria: * Adult aged over 18 years * Colostomy for 6 months or longer * Experiences any filter-related complications, such as ballooning, pancaking, odour, or faecal leakage through the filter, at least once a week (7 days) * Independent in colostomy care * Using a flat, closed colostomy bag * Stoma size (diameter) less than 55 mm * Using a colostomy bag with a hydrocolloid wafer (baseplate) * Able to read and complete the study questionnaire in English Exclusion Criteria: * Uses colostomy irrigation * Bleeding or broken peristomal skin * Receiving or had radiotherapy or chemotherapy in the last 2 months * Pregnant or breastfeeding * Taking part in another clinical study * Currently receiving treatment under the care of a stoma clinical nurse specialist

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As listed by the trial registrant

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

How to take part

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  1. The study's own enquiry address

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  2. The places running it

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  3. The official record

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Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Central Skin Sciences Institute (CSSI) Salts Healthcare

    RECRUITING

    Birmingham, England, B7 4AA, United Kingdom

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