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Survival impact of anatomical and nonanatomical liver resection for colorectal liver metastases patients: a prospective multicenter cohort study

Survival impact of anatomical and nonanatomical liver resection for colorectal liver metastases patients: a prospective multicenter cohort study - SAMURAI-Liver Study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000046357
Enrollment
300
Registered
2021-12-12
Start date
2022-01-01
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 liver metastases

Interventions

None listed

Sponsors

Department of Surgery, Kyoto University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: a) Patients with histologically confirmed colorectal cancer. b) Patients who are examined the mutational status of RAS and BRAF gene. c) Patients who have resectable liver metastases and are scheduled for primary liver resection. d) Patients who are scheduled for anatomical or nonanatomical liver resection. e) Patients who have an Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1. f) Patients who are expected to survive more than 3 months. g) Patients in whom documented agreement was obtained.

Exclusion criteria

Exclusion criteria: a) Patients with unresectable primary colorectal cancer or extrahepatic metastases. b) Patients who are performed second and subsequent liver resection. c) Patients who are performed anatomical resection with concomitant nonanatomical resection. d) Patients who are required to perform combination of radiofrequency ablation. e) Patients in whom a doctor judges inappropriate for this study population.

Design outcomes

Primary

MeasureTime frame
Recurrence free survival

Secondary

MeasureTime frame
Intrahepatic recurrence free survival, extrahepatic recurrence free survival, overall survival, and short term outcome of liver resection.

Countries

Japan

Contacts

Public ContactTakayuki Kawai

Medical Research Institute, Kitano Hospital Secretariat of SAMURAI-Liver Study

u12323@kuhp.kyoto-u.ac.jp06-6312-1221

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026