Retrospective follow-up study of lymph node metastasis examination by OSNA in colorectal cancer.

Retrospective follow-up study of lymph node metastasis examination by OSNA in colorectal cancer. - OSNA-CRC Japan multi-center follow-up study.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000023233

Enrollment

204

Registered

2016-07-20

Start date

2016-08-01

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

Colorectal Cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: All patient who were analyzed in the prior study.

Exclusion criteria

Exclusion criteria: Nothing in particular

Design outcomes

Primary

Measure	Time frame
1. Three-year disease-free survival rate and three-year overall survival rate in each pathological stages, which are diagnosed based on both of OSNA and histopahtological methods. 2. Recurrence prognostic factors in the group which is diagnosed with StageII based on histopathological method. 3. Setting of cut-offs of the sum of the quantitative results of OSNA for three-year disease-free survival rate and three-year overall survival rate. 4. Three-year disease-free survival rate and three-year overall survival rate in each diagnosed group.	—

Measure

Time frame

1. Three-year disease-free survival rate and three-year overall survival rate in each pathological stages, which are diagnosed based on both of OSNA and histopahtological methods. 2. Recurrence prognostic factors in the group which is diagnosed with StageII based on histopathological method. 3. Setting of cut-offs of the sum of the quantitative results of OSNA for three-year disease-free survival rate and three-year overall survival rate. 4. Three-year disease-free survival rate and three-year overall survival rate in each diagnosed group.

—

Countries

Japan

Contacts

Public ContactHirofumi Yamamoto, M.D., Ph.D.

Graduate School of Medicine, Osaka University Department of Gastroenterological Surgery

hyamamoto@sahs.med.osaka-u.ac.jp06-6879-3251

Outcome results