ArticleCancer research communications2025
Plasma Cell-Free Human Papillomavirus DNA and Oral Gargle HPV DNA in Patients with HPV-Related Oropharyngeal Cancer Treated with Radiotherapy.
Article in Cancer research communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 1 synthesis or guideline pooled it.
- Prognostic Value of Pretreatment Circulating Tumor HPV DNA Load in HPV-Associated Cancers: A Systematic Review and Meta-Analysis.International journal of molecular sciences · 2026Pooled it
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Authors and funding
11 authors.
Funding
Abstract
Dynamic biomarkers that guide de-escalation strategies in human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) remain an unmet need. In this study, we evaluated the kinetics of plasma cell-free HPV (cfHPV) DNA and oral gargle HPV DNA during radiotherapy in patients with low-risk HPV-related OPSCC. Data were obtained from a trial evaluating an adaptive model optimizing radiation fractionation in patients with low-risk (T0-2N0-1M0) HPV-related OPSCC undergoing radiotherapy. The primary objective was to determine whether week 4 plasma cfHPV DNA or oral gargle HPV DNA clearance is associated with reduction of target tumor volume (TTV) at week 4. A total of 325 plasma and 334 oral gargle samples from 50 patients with available baseline samples were analyzed. Higher baseline plasma cfHPV DNA was associated with higher nodal staging (P = 0.002), whereas oral gargle HPV DNA was detected more frequently in the tonsil or soft palate than occult or base of tongue primary tumors (P = 0.039). Week 4 plasma but not oral gargle HPV DNA clearance was associated with higher reduction of TTV at week 4 (P = 0.0063). Whereas week 4 plasma and oral gargle HPV DNA clearance was not associated with progression-free survival, a lower baseline plasma cfHPV DNA was associated with superior progression-free survival (P = 0.027). Week 4 plasma cfHPV DNA clearance aligns with reduction in TTV, and future studies are warranted to determine the role of early plasma cfHPV DNA clearance in biomarker-adapted de-escalation strategies. SIGNIFICANCE: Our findings may inform appropriate patient selection for low-risk HPV-related OPSCC based on cfHPV DNA in future deintensification studies, aimed at preventing or minimizing treatment-related toxicities in patients who may have lower risk of recurrence.
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