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A Personalized Surveillance and Intervention Protocol for Duodenal and Gastric Polyposis in Patients With Familial Adenomatous Polyposis

NCT04677998 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 1000

Last updated 2026-02-23

No results posted yet for this study

Summary

The purpose of this study is to determine the efficacy and safety of a personalized surveillance and intervention protocol for duodenal and gastric polyposis in patients with familial adenomatous polyposis (FAP)

Conditions

Interventions

PROCEDURE

Personalized surveillance and intervention protocol

This study uses one arm. Participants will undergo endoscopic surveillance with intervals between 3-6 months and 5 years, depending on severity of polyposis and performed endoscopic interventions.

Sponsors & Collaborators

  • Leiden University Medical Center

    collaborator OTHER

  • The Netherlands Cancer Institute

    collaborator OTHER

  • St Mark's Hospital Foundation

    collaborator OTHER

  • Hospital Clinic of Barcelona

    collaborator OTHER

  • Maria Sklodowska-Curie National Research Institute of Oncology

    collaborator OTHER

  • Hospital General Universitario de Alicante

    collaborator OTHER

  • IRCCS Azienda Ospedaliero-Universitaria di Bologna

    collaborator OTHER

  • Radboud University Medical Center

    collaborator OTHER

  • University Hospital, Bonn

    collaborator OTHER

  • Hvidovre University Hospital

    collaborator OTHER

  • M.D. Anderson Cancer Center

    collaborator OTHER

  • Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)

    lead OTHER

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-11-24
Primary Completion
2026-11-30
Completion
2027-11-30

Countries

  • United States
  • Netherlands

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04677998 on ClinicalTrials.gov