ArticleOncology reviews2025
Temporal changes in tongue color during immune checkpoint inhibitor therapy in patients with non-small-cell lung cancer: a prospective observational study using digital tongue diagnosis.
Article in Oncology reviews, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Therapeutic Targeting of VEGFR-2, PD-L1, and EGFR-MET Pathways in Non-Small Cell Lung Cancer: Clinical Progress with Ramucirumab, Atezolizumab, and Amivantamab.Journal of clinical medicine · 2026Review
- Clinical usefulness of objective tongue image devices monitoring in temporal tongue color: a demonstration of successively treated cases with traditional medicines.Frontiers in medicine · 2026Article
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Authors and funding
15 authors.
Funding
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Abstract
Background: Tongue diagnosis (TD), a key component of traditional East Asian medicine, employs a unique pattern-based diagnostic system. Digital TD enables quantitative assessment of tongue characteristics, like body and coating color, enhancing objectivity and reproducibility. While abnormal tongue features (including dark red, bluish, or pale appearance) have been documented in patients with cancer, the relationship between longitudinal changes in tongue characteristics and immune checkpoint inhibitor (ICI) treatment response or survival outcomes in non-small-cell lung cancer (NSCLC) remains underexplored. This multicenter, prospective, observational study investigated whether longitudinal tongue changes differ by ICI response and predict survival in patients with NSCLC. Methods: We enrolled patients with stage IIIB, IIIC, or IV NSCLC scheduled to receive second-line or subsequent pembrolizumab or atezolizumab following first-line platinum-based therapy failure. Digital tongue images were collected every 9 weeks from baseline to week 45. Linear mixed models evaluated temporal parameter changes and compared responders (durable clinical benefits ≥6 months) Results: Of 170 enrolled participants, 140 were included in the analysis. Early in treatment, tongue lightness decreased in the body, fur, root, and center areas in both responders and nonresponders; however, the darkening was more pronounced in nonresponders, with significant visit-by-response interaction effects. In multivariate Cox analysis, lightness changes of the tongue body were significantly associated with PFS (hazard ratio [HR] = 0.93; 95% confidence interval [CI], 0.88-0.99; Conclusion: Digital TD diagnosis, particularly monitoring tongue lightness changes, may provide a valuable noninvasive prognostic tool for patients with NSCLC undergoing ICI therapy. It offers information for both PFS and OS, potentially complementing current biomarkers for cancer immunotherapy.
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