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Study of the predictive value of genomic, transcriptomic and epigenetic biomarkers in patients with recurrent and/or metastatic head and neck squamous cell carcinoma treated with PD-1/PD-L1 inhibitors

ABSTRACT: Immune checkpoint inhibitors have improved survival in several solid tumors, including head and neck squamous cell carcinoma (HNSCC). However, current use of PD-1/PD-L1 inhibitors relies on PD-L1 expression, which does not reliably predict patient response. Therefore, better predictive biomarkers are needed to identify which patients benefit from immunotherapy. Previous studies suggest that genomic and transcriptomic features may help predict treatment response.

ORGANISM(S): Homo sapiens

PROVIDER: GSE332566 | GEO | 2026/05/25

REPOSITORIES: GEO

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Project description:Purpose: To find out the patients who are most sensitive and effective to the anti-PD-L1 and TGF-β bifunctional fusion protein in the treatment of recurrent cervical cancer. Patients and methods: We report two cases of recurrent cervical cancer treated with the anti-PD-L1 and TGF-β bifunctional fusion protein. We described the clinical course, clinical characteristics, and genetic characteristics of the two patients, and analyzed the changes of gene expression in the two patients after treatment. Results: Although PD-L1 expression and HPV status were same in the two patients, the treatment effect of two patients with recurrent cervical cancer was different, according to the evaluation of enhanced computed tomography (CT), one was partial response (PR) and the other was progressive disease (PD), which may indicate that PD-L1 expression and HPV status of patients is not enough to predict the effectiveness of the anti-PD-L1 and TGF-β bifunctional fusion protein treatments. Then, we demonstrated that the changes of peripheral blood lymphocytes of two patients during the treatment had different trends. Moreover, number of alterable genes in PR patient is much greater than that in PD patient, indicating PR patient may be more sensible to the anti-PD-L1 and TGF-β bifunctional fusion protein treatments. Total 4844 genes changing-fate gene set selected which is believed conducting anti-cancer function during the anti-PD-L1 and TGF-β bifunctional fusion protein treatments. Furthermore, we identified that changing-fate genes were correlated with female reproductive organ cancer, infectious disease, inflammatory disease, immune system, indicating these genes may conducting anti-cancer, anti-inflammation and immune function. Conclusion: Anti-PD-L1 and TGF-β bifunctional fusion protein is feasible for the treatment of recurrent cervical cancer. Multi-center, large-sample prospective clinical studies are still needed to further explore the efficacy of anti-PD-L1 and TGF-β bifunctional fusion protein in recurrent cervical cancer and screen appropriate patients, so as to achieve the maximum survival benefit of patients.

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Study of the predictive value of genomic, transcriptomic and epigenetic biomarkers in patients with recurrent and/or metastatic head and neck squamous cell carcinoma treated with PD-1/PD-L1 inhibitors

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