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Colonoscopy pain may keep people from future screenings

NCT ID NCT07353632

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 follows 8,000 adults in Denmark who are getting a screening colonoscopy for colorectal cancer. Researchers want to know how much pain or discomfort people feel during the procedure and whether that affects their decision to come back for another screening two years later. Participants fill out a short questionnaire right after the procedure, and their future screening participation is tracked through national registries.

What this could mean

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

What this could lead to
If successful, this study could help improve how screening colonoscopies are done, making them less uncomfortable and encouraging more people to return for future screenings.
What could go wrong
This is an observational study, not a treatment trial, so it won't directly change medical care. The results depend on people accurately reporting their experiences, which can vary widely.

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.

Participants

About 8,000 people

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

Started

Sep 2024

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.

Who is studied

Adults undergoing a screening colonoscpy

Ages

50 to 75 years

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: * Adults undergoing screening-derived colonoscopy as part of the Danish colorectal cancer screening program * Written informed consent Exclusion Criteria: * Inability to understand or communicate in Danish * Lack of decision-making capacity, including cognitive impairment due to dementia or brain injury * Declines or withdraws informed consent

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Conditions

The condition(s) this trial relates to.

Pain

As listed by the trial registrant

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

How to take part

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

  1. The places running it

    8 sites. 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

  • Esbjerg Hospital, University Hospital of Southern Denmark

    RECRUITING

    Esbjerg, 6700, Denmark

  • Grindsted Sygehus

    RECRUITING

    Grindsted, 7200, Denmark

  • Holbæk Sygehus

    RECRUITING

    Holbæk, Denmark

  • Regionshospitalet Gødstrup

    RECRUITING

    Gødstrup, Denmark

  • Sjællands Universitetshospital Køge

    RECRUITING

    Køge, Denmark

  • Sjællands Universitetshospital, Nykøbing

    RECRUITING

    Nykøbing Falster, Denmark

  • Slagelse Sygehus

    RECRUITING

    Slagelse, Denmark

  • Sygehus Sønderjylland, University hospital of Southern Denmark

    RECRUITING

    Aabenraa, Denmark

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