Skip to content

Registry and observational study of familial adenomatous polyposis

Registry and observational study of familial adenomatous polyposis - J-FAPP Study registry

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000056754
Enrollment
500
Registered
2025-01-20
Start date
2025-01-20
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Familial adenomatous polyposis

Interventions

None listed

Sponsors

Kyoto Prefectural University of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: -Patients with adenomatous polyposis (those with 100 or more adenomas in the colorectum or those who have had 100 or more adenomas in total) who have visited a participating institution from January 2008 to March 31, 2027, or those with a pathogenic variant in the APC gene in the germline -Men and women aged 16 years or older Note: Includes patients who have visited the institution in the past. Postoperative patients are also included. Depending on the facility, the implementation may start as recently as January 2008, depending on the storage status of electronic medical records.

Exclusion criteria

Exclusion criteria: - Patients who refused to participate in this study -Patients who have visited the hospital less than three times, including second opinions.

Design outcomes

Primary

MeasureTime frame
Life and Death

Secondary

MeasureTime frame
-Development of colorectal cancer -Development of non-colorectal cancer -Performance of colorectomy -Presence of desmoid - Colorectal polyp findings - Concomitant diseases - Adverse events associated with IDP, such as bleeding (grade, blood transfusion), perforation, emergency surgery, etc. - Birth status - Employment status

Countries

Japan

Contacts

Public ContactMichihiro Mutoh

Kyoto Prefectural University of Medicine Department of Molecular-Targeting Cancer Prevention

mimutoh@koto.kpu-m.ac.jp075-251-5338

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026