STAT3 as a predictive biomarker in head and neck cancer: A validation study
SourcePathology, Research and Practice, 216, 11, (2020), article 153172
Article / Letter to editor
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Pathology, Research and Practice
SubjectRadboudumc 2: Cancer development and immune defence RIMLS: Radboud Institute for Molecular Life Sciences; Radboudumc 9: Rare cancers RIHS: Radboud Institute for Health Sciences
Locally advanced head and neck squamous cell carcinoma (LAHNSCC) treatment consists of radiotherapy (RT) alone or cisplatin-based concomitant chemoradiotherapy (CCRT). CCRT is accompanied by substantially more toxicity than RT alone. A previous retrospective cohort study found that LAHNSCC patients with tumors negative for nuclear expression of the signal transducer and activator of transcription 3 (STAT3) protein might not benefit from the addition of cisplatin to radiotherapy (RT) treatment. We set out to validate these results in a new cohort. We found that in patients with both STAT3 positive and negative tumors, disease-free survival (DFS) and overall survival (OS) did not differ significantly between treatment with cisplatin-based concomitant chemoradiotherapy (CCRT) and radiotherapy alone. Therefore, our validation study does not confirm that STAT3 is a potential biomarker to predict the effectiveness of the addition of cisplatin to RT in LAHNSCC patients.
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