Multicenter retrospective study in endoscopic papillectomy for duodenal ampullary tumor

Multicenter retrospective study in endoscopic papillectomy for duodenal ampullary tumor - Multicenter retrospective study in endoscopic papillectomy for duodenal ampullary tumor

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040288

Enrollment

1000

Registered

2020-05-01

Start date

2020-03-25

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

Ampullary tumor

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who have endoscopic papillectomy.

Exclusion criteria

Exclusion criteria: None.

Design outcomes

Primary

Measure	Time frame
Clinical success rate of EP	—

Secondary

Measure	Time frame
1. Comparison of preoperative biopsy (biopsy site and number of biopsies) and postoperative pathology. 2. Primary disease, length of stay and cost of hospitalization. 3. Long-term postoperative recurrence rate and recurrence pattern. 4. Relationship between procedures of EMR and procedure related complications. 5. Relationship between prophylactic method and procedure related complications.	—

Countries

Japan

Contacts

Public ContactAtsuto Kayashima

Keio University School of Medicine Division of Gastroenterology and Hepatology Department of Internal Medicine

kayashima@keio.jp+81-3-5363-3790

Outcome results