期刊
JOURNAL OF CANCER RESEARCH AND CLINICAL ONCOLOGY
卷 146, 期 12, 页码 3269-3279出版社
SPRINGER
DOI: 10.1007/s00432-020-03360-1
关键词
Immunotherapy; Pseudoprogression; Hyperprogression; Lung cancer
类别
资金
- National Key Research and Development Program of China [2018YFC1311400/2018YFC1311402]
- National Natural Science Foundation of China [81672982, 81872478]
Purpose Immune checkpoint inhibitors are associated with clinical benefit in lung cancer. However, response patterns to immunotherapy, including pseudoprogression and hyperprogression, are difficult to diagnose, and their mechanisms remain unclear. This review aimed to describe two response patterns observed in lung cancer, namely pseudoprogression and hyperprogression, including their epidemiology, diagnostic characteristics, and plausible mechanisms. Methods We performed a comprehensive literature search in the PubMed database, using keywords pseudoprogression, hyperprogression, and lung cancer, among others. The literature was examined for pseudoprogression and hyperprogression characteristics and plausible mechanisms. Results Pseudoprogression manifests in multiple forms; however, the immune system-related response criteria and biopsy data are helpful to make accurate diagnosis. Serological biomarkers, such as neutrophil-to-lymphocyte ratio (NLR) and circulating tumor DNA (ctDNA), might help distinguish pseudoprogression from true progression. The incidence of hyperprogression ranges within 5-19.2%, depending on definition. The unique response pattern of rapid progression is observed not only with immunotherapy, but also with other treatment regimens. Molecular mutations and amplifications may result in hyperprogression; however, the exact mechanism remains unclear. Conclusion Atypical response patterns, such as pseudoprogression and hyperprogression, are increasingly common in clinical practice. Immune-related response criteria can help diagnose pseudoprogression. Molecular mechanisms of hyperprogression remain unclear. Biomarkers for pseudoprogression and hyperprogression are required.
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