Could a belly belt make colonoscopy easier on everyone?

NCT ID NCT06496958

Symptom relief Sponsor: Evergreen General Hospital, Taiwan Source: ClinicalTrials.gov ↗

First seen Sep 11, 2026 · Last updated Sep 11, 2026

Summary

Researchers are testing whether a compression belt worn around the lower abdomen, combined with water exchange colonoscopy, can lower how often endoscopy staff must press on a patient's belly during the procedure. The trial enrolls 400 adults aged 45 to 80 at average risk for colorectal cancer who are having a sedated outpatient colonoscopy for screening, surveillance, or after a positive stool test. Participants are randomly assigned to the belt-and-water-exchange approach or to standard CO2 insufflation alone. The team measures how often manual pressure or repositioning is needed and tracks musculoskeletal pain reported by assisting nurses.

What this could mean

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

Active substance: an abdominal compression belt (Maxbelt) plus water exchange colonoscopy
What this could lead to: If it works, colonoscopies could need less hands-on pushing from staff, which may make the procedure easier on patients and nurses.
What could go wrong: This is a procedure-comfort study, not a treatment for disease. The belt may not reduce the need for manual pressure, and results in 400 average-risk adults may not apply to everyone.

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 400 people

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

Started

Sep 2024

Expected to finish

Dec 2026

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

45 to 80 years

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.

Inclusion Criteria: * Patients aged 45-80 years having an average risk for colorectal cancer who plan to undergo sedated outpatient colonoscopy for screening, surveillance, and those who have received a positive fecal immunochemical test result Exclusion Criteria: * Patients with hereditary colorectal cancer syndrome, including familial adenomatous polyposis and hereditary nonpolyposis colorectal cancer (Lynch syndrome) * Patients with serrated polyposis syndrome * Patients with known or suspected inflammatory bowel disease * Patients with a history of colorectal cancer or other intra-abdominal malignancy * Patients with a history of colorectal resection * Patients with a history of abdominal aortic aneurysm, cirrhosis, ascites, or other severe comorbid illnesses * Patients with recent wounds or skin rash on the anterior abdominal wall and back * Patients with known ventral hernia * Patients with unsedated procedure * Patients with planned bidirectional endoscopy * Patients with body mass index \>35 kg/m2 * Patients with waist circumference \<55 cm or \>105 cm * Patients with known or suspected gastroparesis * Patients with planned therapeutic procedures (e.g., hemostasis, removal of a large polyp) * Patients with mental retardation * Pregnant women or those planning pregnancy * Patients unwilling to participate in the study

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Conditions

The condition(s) this trial relates to.

polyp of colon

As listed by the trial registrant

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

Colon polyp Colonoscopy Manual pressure Repositioning

How to take part

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

The places running it

2 sites. The list below names each one and where it is.
The official record

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

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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.

Could a belly belt make colonoscopy easier on everyone?

What the study statuses mean