ArticleCancer management and research2025
Retrospective Analysis of the Timing of Radiotherapy Intervention After Induction Chemoimmunotherapy in Unresectable Locally Advanced Lung Squamous Cell Carcinoma.
Article in Cancer management and research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Thymalfasin combined with immune checkpoint inhibitors in the treatment of non-small cell lung cancer: A retrospective study on efficacy, safety, and immunological function.Pakistan journal of medical sciences · 2026Article
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4 authors.
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Abstract
Background: The optimal combination of immune checkpoint inhibitors (ICIs), radiotherapy, and chemotherapy for unresectable locally advanced lung squamous cell carcinoma (LA-LUSC) remains undefined. This study evaluated induction chemoimmunotherapy followed by radiotherapy ± consolidation ICI in unresectable LA-LUSC, specifically exploring radiotherapy timing impact. Methods: We retrospectively analyzed 54 unresectable LA-LUSC patients receiving induction chemoimmunotherapy followed by radiotherapy. Patients were grouped by radiotherapy timing: Early (after 2-3 induction cycles, n = 18) and Late (after 4-6 cycles, n = 36). Survival analysis (Kaplan-Meier, Log-rank) compared progression-free survival (PFS), local PFS (LPFS), distant metastasis-free survival (DMFS), overall survival (OS), and safety. Prognostic factors for PFS/OS were explored. Results: Median follow-up was 30.7 months. Median PFS for all patients was 21.9 months. Early radiotherapy improved PFS (HR = 0.43, p = 0.024) and LPFS (HR = 0.36, p = 0.038). Radiotherapy after 2-3 induction cycles was an independent predictor of improved PFS (p = 0.040). Overall treatment tolerance was good; grade ≥3 pneumonitis incidence was 5.56%. After propensity score matching, OS was significantly longer in patients receiving induction plus consolidation ICI versus induction ICI alone (HR = 0.51, p = 0.038). Conclusion: Induction chemoimmunotherapy followed by radiotherapy demonstrates promising efficacy and manageable toxicity in unresectable LA-LUSC. Initiating radiotherapy earlier (after 2-3 induction cycles) improves PFS and LPFS and is an independent favorable prognostic factor. Consolidation ICI after combined chemoimmunotherapy and radiotherapy further extends OS compared to induction ICI alone.
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