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Tailored scope schedule aims to cut cancer risk in FAP patients

NCT ID NCT04678011

Disease control Sponsor: Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a personalized surveillance plan for people with familial adenomatous polyposis (FAP) who have had their colon removed. Instead of a fixed schedule, the timing of follow-up endoscopies (every 6 months to 2 years) is based on each person's polyp burden and past treatments. The goal is to see if this tailored approach keeps the rate of advanced polyps or cancer below 5% over 5 years. Up to 1,000 adults will take part.

What this could mean

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

Active substance
personalized endoscopic surveillance protocol
What this could lead to
If successful, this could provide a tailored, safer follow-up schedule for FAP patients after surgery, lowering the chance of developing advanced polyps or cancer.
What could go wrong
This is an observational-style study without a control group, so it cannot prove the protocol is better than standard care. The 5-year follow-up may be too short to fully assess cancer prevention.

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 1,000 people

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

Started

Nov 2021

Expected to finish

Nov 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.

Who is studied

All patients with FAP treated at one of the participating centres.

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: * Diagnosis of FAP, at least one of following: genetic diagnosis (proven APC germline mutation) and/or clinical diagnosis (\>100 colorectal adenomas in combination with a positive family history of FAP) * Have undergone prophylactic (procto)colectomy with IRA/ISA or IPAA * Age 18 years or older Exclusion Criteria: * Not able to remove all polyps with an indication for removal during (multiple) clearing endoscopies * Cancer at baseline endoscopy * Need for surgery

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Conditions

The condition(s) this trial relates to.

Adenomatous Polyposis Coli classic familial adenomatous polyposis

As listed by the trial registrant

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

Familial adenomatous polyposis

How to take part

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

  1. The places running it

    2 sites in 2 countries. 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

  • Academic Medical Centre

    RECRUITING

    Amsterdam, North Holland, 1105AZ, Netherlands

  • MD Anderson

    RECRUITING

    Houston, Texas, 77030, United States

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