ArticleTechnology in cancer research & treatment
Radiotherapy Dose and Induction Chemotherapy Cycles Are Associated With Prognosis and Toxicity Risk: A Retrospective Study of 227 Patients With Unresectable Stage III Non-Small-Cell Lung Cancer.
Article in Technology in cancer research & treatment. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 6 citations in OpenAlex.
- Induction chemotherapy administration increases the risk of radiation pneumonitis in unresectable stage III NSCLC patients undergoing concurrent chemoradiotherapy with immunotherapy.Therapeutic advances in medical oncology · 2026Article
- Long-term outcome of definitive radiotherapy for locally advanced non-small cell lung cancer: A real-world single-center study in the pre-durvalumab era.Cancer medicine · 2024Article
- Prognostic effect of excessive chemotherapy cycles for stage II and III gastric cancer patients after D2 + gastrectomy.World journal of gastrointestinal surgery · 2023Article
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11 authors at 1 institution in 1 country.
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Abstract
objectiveConcurrent chemoradiation (cCHRT) has been confirmed as the standard treatment for local advanced non-small-cell lung cancer (NSCLC). This study is to assess the appropriate timing of radiotherapy and cycles of induction chemotherapy for those patients.
methods227 inoperable stage III NSCLC patients were selected, we analyzed the potential prognostic factors and the influence of induction chemotherapy was evaluated.
resultsThe median survival time was 20.7 months; only 25 patients chose chemotherapy alone (11.0%), 137 patients underwent sequential chemoradiation (sCHRT, 60.4%), and 65 patients received cCHRT (28.6%). Multivariate analyses showed radiation therapy (P = 0.001), the Eastern Cooperative Oncology Group (ECOG) score (P = 0.000) and the lymph node stage (P = 0.001) were independent prognostic factors. cCHRT was not found to be superior (P = 0.330). We selected patients received 60-66 Gy and found the cCHRT groups achieved a relatively better outcome, with a median Overall Survival (OS) of 25.2 months vs 20.1 months in the sCHRT group (P = 0.019). We also found cycles of induction chemotherapy did not compromise survival; however, ≥3 cycles resulted in more grade 3-4 hematology toxicities, with a proportion of 18/99 compared with 53/103 among patients who underwent ≤3 cycles. In addition, higher grade hematology toxicities and poor ECOG were also the most common reasons for abandoning cCHRT.
conclusionsFor inoperable stage III NSCLC, cCHRT showed its superiority only when the radiotherapy dose was 60-66 Gy. Cycles of induction chemotherapy did not interfere with survival; however, ≥3 cycles resulted in more grade 3-4 hematology toxicities, leading to the cessation of cCHRT.
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