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Prospective Multicenter Observational Study of Disappearing Colorectal Liver Metastases

Prospective Multicenter Observational Study of Disappearing Colorectal Liver Metastases - Kyoto-DLM Study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000054568
Enrollment
100
Registered
2024-10-01
Start date
2024-10-01
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

Kyoto University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: a) Patients with synchronous colorectal liver metastases who have disappearing liver metastases (DLM) which are detected by CT and EOB-MRI (3T, slice thickness of hepatobiliary phase with 2mm or less). b) The lesions were detected by EOB-MRI (3T, slice thickness of hepatobiliary phase with 2mm or less) before or within a month after a beginning of the chemotherapy for synchronous colorectal liver metastases. c) Patients who underwent thoracoabdominal CECT scan before or within a month after the beginning of the chemotherapy for synchronous colorectal liver metastases. d) RAS mutation, BRAF mutation and MSI status of a primary colorectal cancer are known or planned to be tested. e) Patients without allergic reaction to contrast medium and can undergo EOB-MRI. f) Patients who are expected to survive more than 6 months. g) Patients aged 18 years or older. h) Patients without a possibility of pregnancy.

Exclusion criteria

Exclusion criteria: Patients who were diagnosed with any malignant tumors other than colorectal cancer and carcinoma in situ within the past two years.

Design outcomes

Primary

MeasureTime frame
negative predictive value for no residual tumor

Secondary

MeasureTime frame
overall survival intrahepatic recurrence free survival recurrence free survival factors predicting for no residual tumor

Countries

Japan

Contacts

Public ContactKojiro Nakamura

National Hospital Organization Kyoto Medical Center Department of Surgery

kojiro@kuhp.kyoto-u.ac.jp075-641-9161

Outcome results

None listed

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