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Safety of intensive downstaging polypectomy with low power pure-cut current in patients with familial adenomatous polyposis

Safety of intensive downstaging polypectomy (IDP) with low power pure-cut current (LPPC) in patients with familial adenomatous polyposis (FAP) - Safety of intensive downstaging polypectomy with low power pure-cut current in patients with familial adenomatous polyposis

Status
Active, not recruiting
Phases
Phase 2
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000051414
Enrollment
40
Registered
2023-06-23
Start date
2023-06-26
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

Department of Gastrointestinal Oncology, Osaka International Cancer Institute
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients diagnosed with familial adenomatous polyposis and undergoing or scheduled to undergo IDP 2) Those who have not undergo colectomy, or those who had undergone colectomy and had 10 cm or more of large intestine remaining 3) Patients aged 18 to 80 years old 4) Patients with ECOG PS 0 or 1 5) Patients with written informed consent

Exclusion criteria

Exclusion criteria: 1) Patients known to have colorectal lesion larger than 15 mm 2) Those who had dense polyps 3) Patients with serious other organ disease 4) Patients continuing antithrombotic drugs, for whom IDP should not be carried out according to the Japanese guidelines 5) Patients continuing systemic administration of steroid 6) Patients receiving anticancer agents 7) Those who have psychosis or psychiatric symptoms that would make participation in the study difficult 8) Patients with active infection disease 9) Patients deemed by the investigator to be inappropriate to participate

Design outcomes

Primary

MeasureTime frame
Incidence of severe adverse events (delayed bleeding and perforation)

Secondary

MeasureTime frame
adverse events related to IDP, procedure time, degree of abdominal pain on the day following IDP, presence of hematochezia after IDP, emergency colonoscopy and readmission to the hospital

Countries

Japan

Contacts

Public ContactYasuhiro Tani

Osaka International Cancer Institute Department of Gastrointestinal Oncology

y.tani1646@gmail.com06-6945-1181

Outcome results

None listed

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