Assessment of risk factors for recurrent biliary obstruction following palliative endoscopic biliary stenting in patients with unresectable ampullary cancer: a multicenter retrospective study

Assessment of risk factors for recurrent biliary obstruction following palliative endoscopic biliary stenting in patients with unresectable ampullary cancer: a multicenter retrospective study - Assessment of risk factors for recurrent biliary obstruction following palliative endoscopic biliary stenting in patients with unresectable ampullary cancer: a multicenter retrospective study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000050406

Enrollment

107

Registered

2023-02-28

Start date

2022-09-01

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

Unresectable ampullary cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) patients who were diagnosed of ampullary cancer by pathological analyses 2) patients who underwent endoscopic biliary stenting 3) patient's or their families' agreement to enrollment in this study by the opt-out form

Exclusion criteria

Exclusion criteria: 1) patients who underwent curative surgery 2) patients who underwent endoscopic papillectomy 3) patients who underwent endoscopic ultrasound-guided biliary drainage until the initial endoscopic biliary stenting 4) patients who underwent insertion of multiple stents 5) patients with biliary obstruction due to metastatic malignancy 6) refusal for enrollment in this study by the patients or their families

Design outcomes

Primary

Measure	Time frame
Risk factors for recurrent biliary obstruction (RBO) following palliative endoscopic biliary stenting	—

Countries

Japan

Contacts

Public ContactRyo Sugiura

Hokkaido University Faculty of Medicine and Graduate School of Medicine Department of Gastroenterology and Hepatology

rsugiura-hok@umin.ac.jp011-716-1161

Outcome results