Establishment of Optimal Risk Assessment of Lymph Node Metastasis in T1 Colorectal Cancer by the Japanese Society for Cancer of the Colon and Rectum (JSCCR)

Validation of Clinical Value of the Treatment Strategies for T1 Colorectal Cancer (CRC) in the JSCCR Guidelines and Development of Predictive Model (Nomogram) for Lymph Node Metastasis in T1 CRC - T1-Nomogram

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000042910

Enrollment

5000

Registered

2021-01-23

Start date

2017-09-15

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

pT1 colorectal cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: pT1 colorectal cancers which completely resected by endoscopic or surgical treatment between July 2009 and December 2016

Exclusion criteria

Exclusion criteria: Colitic cancer Familial adenomatous polyposis Synchronous or metachronous (within 5 years) multiple colorectal cancer other than carcinoma in situ Comorbidity of active malignant tumor excluding colorectal cancer

Design outcomes

Primary

Measure	Time frame
Calculation tools of lymph node metastatic risk using Nomogram in pT1 colorectal cancer	—

Secondary

Measure	Time frame
Validation of Clinical Value of the Treatment Strategies for T1 Colorectal Cancer in the JSCCR Guidelines	—

Countries

Japan

Contacts

Public ContactYoshiki Kajiwara

National Defense Medical College Dept. of Surgery

ykaji@ndmc.ac.jp04-2995-1637

Outcome results