Multicenter study of the resected pancreatic neuroendocrine tumor

Multicenter retrospective cohort study of the resected pancreatic neuroendocrine tumor - Multicenter retrospective cohort study of the resected panNEN

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000043035

Enrollment

1400

Registered

2021-01-17

Start date

2020-12-22

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

pancreatic neuroendocrine tumor

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Pancreatectomy is performed by December2019 from January1996, and a pancreatic neuroendocrine tumor is diagnosed by pathological diagnosis. 2.In a resected specimen, immunostaining of Ki67 is performed. 3.A grade (NET G1,G2,G3, NEC G3,MiNEN) based on WHO2019 classification is possible.

Exclusion criteria

Exclusion criteria: the case only resection of recurrence lesion (liver metastasis, lymph nodes)

Design outcomes

Primary

Measure	Time frame
Lymph node metastases of the panNEN, distant metastasis ratio of less than 2cm with the resection pathological diagnosis excised surgically	—

Secondary

Measure	Time frame
Extraction of recurrent risk factor of all pancreatic neuroendocrine tumors excised surgically	—

Countries

Japan

Contacts

Public ContactYayoi Ofuji

National Cancer Center IRB

NCC_IRBoffice@ml.res.ncc.go.jp+81-3-3542-2511

Outcome results