期刊
CURRENT ONCOLOGY
卷 30, 期 5, 页码 5135-5144出版社
MDPI
DOI: 10.3390/curroncol30050388
关键词
skin; cancer; cutaneous angiosarcomas; PD-L1; immunohistochemistry; immunotherapy
类别
Cutaneous angiosarcoma (CAS), the most common type of angiosarcoma, is being investigated for immunotherapy targeting programmed death ligand 1 (PD-L1) expression. A systematic review and meta-analysis of 10 studies with 279 cases showed a pooled PD-L1 expression rate of 54% (95% CI 36-71%), but with high heterogeneity (I-2 = 84.81%, p < 0.001). Sub-group analysis revealed significantly lower PD-L1 expression in Asian studies (ES = 35%, 95% CI 28-42%, I-2 = 0.0%, p = 0.46) compared to European studies (ES = 71%, 95% CI 51-89%, I-2 = 48.91%, p = 0.12).
Cutaneous angiosarcoma (CAS) is the most common type of angiosarcoma that predominantly affects older Caucasians. The outcomes of immunotherapy in CAS are currently under investigation in relation to the expression of programmed death ligand 1 (PD-L1) and other biomarkers. We performed a systematic review and metanalysis of data from the current literature reporting on PD-L1 immunohistochemistry expression. A systematic search of publications in the electronic databases PubMed, Web of Science, and Scopus was conducted using the following terms: PD-L1 and angiosarcomas. A total of ten studies reporting on 279 cases were identified and included in the meta-analysis. The pooled prevalence of PD-L1 expression in CAS was 54% (95% CI 36-71%), with high heterogeneity (I-2 = 84.81%, p < 0.001). In sub-group analysis, the proportion of PD-L1 expression in CAS was significantly (p = 0.049) lower in Asian studies (ES = 35%, 95% CI 28-42%, I-2 = 0.0%, p = 0.46) than in European studies (ES = 71%, 95% CI 51-89%, I-2 = 48.91%, p = 0.12).
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