Establishing prognostic models for intrahepatic cholangiocarcinoma based on immune cells

Zhuo-Ran Wang ^1,2,3,4, Cun-Zhen Zhang ¹, Zhan Ding ^2,3,4

⁰Department of Hepatic Surgery I (Ward I) Shanghai Eastern Hepatobiliary Surgery Hospital, Navy Medical University, Shanghai 200433, China.

World Journal of Gastrointestinal Oncology +

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October 30, 2024

View abstract on PubMed

Summary

This study developed new prognostic models for intrahepatic cholangiocarcinoma (ICC) survival using immune cell data. These models improve predictions for patients undergoing surgery, offering better insights into treatment outcomes.

Area Of Science

Oncology
Immunology
Surgical Pathology

Background

Intrahepatic cholangiocarcinoma (ICC) presents significant treatment challenges with current prognostic models being insufficient.
Tumor-associated immune cells play a crucial role in ICC development and progression.
Effective prognostic tools are needed for surgical management of ICC.

Purpose Of The Study

To develop accurate 1-year and 3-year prognostic models for intrahepatic cholangiocarcinoma (ICC) patients following surgical resection.
To leverage tumor-associated immune cell profiles for enhanced survival prediction in ICC.
To integrate immune cell data with clinical and pathological factors for robust ICC prognostication.

Main Methods

Immunohistochemical analysis of CD4, CD8, CD20, pan-cytokeratin (CK), and CD68 in ICC tumors and adjacent tissues from 141 surgically treated patients.
Application of regression diagnostics and goodness-of-fit tests for variable selection in Cox regression models.
Integration of immune cell distribution, clinical parameters, and pathological diagnoses to construct prognostic models.

Main Results

CD4, CD8, CD20, and CK were identified as significant predictors for ICC prognosis; CD68 was not.
Distinct 1-year and 3-year prognostic models were established using selected variables and clinical data.
The 1-year model achieved a C-index of 0.76 (internal validation: 0.761), and the 3-year model achieved 0.69 (internal validation: 0.693).

Conclusions

Cox regression models were successfully developed for predicting 1-year and 3-year survival in resected ICC patients.
These models demonstrate the utility of tumor immune microenvironment components in ICC prognostication.
Future research can build upon these findings for more comprehensive ICC prognostic assessments.

Keywords:

Biomarkers Intrahepatic cholangiocarcinoma Prediction models Prognosis Tumor immune cells