PD-L1/PD-1 Levels and Prognosis in Liver Cancer After Cryoablation
Author Information
Author(s): Zeng Zhen, Shi Feng, Zhou Lin, Zhang Min-Na, Chen Yan, Chang Xiu-Juan, Lu Yin-Ying, Bai Wen-Lin, Qu Jian-Hui, Wang Chun-Ping, Wang Hong, Lou Min, Wang Fu-Sheng, Lv Ji-Yun, Yang Yong-Ping
Primary Institution: Beijing 302 Hospital, Beijing, China
Hypothesis
This study evaluates the association between circulating PD-L1/PD-1 and prognosis after cryoablation in patients with HBV-related hepatocellular carcinoma.
Conclusion
Upregulation of circulating PD-L1/PD-1 is associated with poor post-cryoablation prognosis in patients with HBV-related hepatocellular carcinoma.
Supporting Evidence
- Circulating PD-L1 expression increased from stage A to stage C.
- Higher PD-1/PD-L1 levels were associated with shorter overall survival.
- PD-L1 expression was an independent predictor of overall survival.
Takeaway
This study found that higher levels of certain proteins in the blood can mean that liver cancer patients might not do as well after treatment.
Methodology
141 HBV-related HCC patients were enrolled, with 109 receiving cryoablation; PD-L1/PD-1 levels were measured using flow cytometry.
Potential Biases
Potential selection bias due to the exclusion of patients with concurrent autoimmune diseases, HIV, and syphilis.
Limitations
The study had a limited sample size and was conducted at a single center.
Participant Demographics
Patients were primarily male with a mean age around 52-53 years.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI: 0.58–0.94
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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