Validation of the anatomical classification in peripheral and proximal type of intrahepatic cholangiocarcinoma; Japan-Korea Collaborative Research

Validation of the anatomical classification in peripheral and proximal type of intrahepatic cholangiocarcinoma - Validation of the anatomical classification in peripheral and proximal type of intrahepatic cholangiocarcinoma

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000057783

Enrollment

1600

Registered

2025-05-30

Start date

2024-07-23

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

Intrahepatic cholangiocarcinoma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1, iCCA treated between Jan, 2011 and Dec, 2020 (for 10 years) 2, Surgical resection as a first line therapy 3, Patients histologically diagnosed as iCCA 4, iCCA gross type was MF (mass forming type) or MF+PI (bile duct invasion type) 5, Patients who were more than 20 years old at the time of surgery 6, Contrast-enhanced CT or MRI was performed within 1 month before hepatectomy

Exclusion criteria

Exclusion criteria: 1, Patients with other synchronous or metachronous cancer 2, Patients who received preoperative local therapy (TACE,RF,radiotherapy,etc.) or preoperative chemotherapy 3, Intraductal papillary neoplasm of the bile duct (IPNB) cases are excluded 4, Combined hepatocellular-cholangiocarcinoma cases are excluded 5, Perihilar cholangiocarcinoma cases are excluded 6, Patients who died within 90-days after surgery because of operative complications

Design outcomes

Primary

Measure	Time frame
Overall survival rates, Disease-free survival	—

Secondary

Measure	Time frame
Lymph node metastasis, Resection margin	—

Countries

Japan,Asia(except Japan)

Contacts

Public ContactShinichi Nakanuma

Kanazawa University Department of Hepato-Biliary-Pancreatic Surgery and Transplantation

s-nakanuma@staff.kanazawa-u.ac.jp0762652362

Outcome results