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Non-Colorectal Liver Metastases Undergoing Liver Resection: The NONCOLMET Study Group.
Marcello Di Martino1,2, Giorgio Ercolani3,4, Federica Cipriani5
1Department of Health Sciences, University of Piemonte Orientale, Novara, Italy.
Digestive Surgery
|September 23, 2025
Summary
The NONCOLMET study establishes a registry for non-colorectal liver metastases (NCRLM) resection, collecting data to improve surgical outcomes and patient selection for this diverse group.
Area of Science:
- Hepatobiliary Surgery
- Surgical Oncology
- Clinical Research
Background:
- Liver resection for colorectal metastases is standard, but data on non-colorectal liver metastases (NCRLM) remain controversial.
- Patients with NCRLM are a heterogeneous group often excluded from surgical consideration.
- Limited retrospective data exist on the surgical treatment of NCRLM.
Purpose of the Study:
- To create a comprehensive registry for patients undergoing liver resection for NCRLM.
- To gather retrospective and prospective data on clinical practices and outcomes.
- To identify prognostic factors influencing patient outcomes.
Main Methods:
- The NONCOLMET study involves retrospective data collection (2010-2024) and prospective enrollment (from 2025).
- Includes adult patients (≥18 years) with histologically confirmed NCRLM undergoing liver resection.
- Standardized electronic data collection via RedCap, evaluating oncological outcomes, mortality, complications, and predictors.
Main Results:
- Oncological outcomes including overall survival and disease-free survival will be assessed.
- Post-operative mortality (30/90 days) and complication rates will be evaluated.
- Predictor variables for short- and long-term outcomes will be identified to develop a risk score model.
Conclusions:
- The NONCOLMET study will provide critical insights into the surgical management of NCRLM.
- Findings will aid in refining patient selection criteria for liver resection.
- Results are expected to inform future clinical guidelines for NCRLM treatment.
