ArticleCancer biology & medicine2025
Optimal immunotherapy duration in advanced NSCLC: defining the ideal treatment window.
Article in Cancer biology & medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 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
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- The optimal duration of immune checkpoint inhibitor therapy in advanced non-small cell lung cancer: a systematic review of clinical trials.BMC pulmonary medicine · 2026Pooled it
- Article
- [Appropriate Duration of First-line Immunotherapy for Advanced NSCLC and Predictive Factors].Zhongguo fei ai za zhi = Chinese journal of lung cancer · 2026Review
- Advancing Cancer Treatment: A Review of Immune Checkpoint Inhibitors and Combination Strategies.Cancers · 2025Review
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Authors and funding
6 authors.
Funding
Abstract
objectiveImmune checkpoint inhibitors (ICIs) have demonstrated substantial efficacy in patients with advanced non-small cell lung cancer (NSCLC). However, the optimal duration of ICI therapy remains unclear, and limited real-world data are available. The aim of this study was to evaluate the relationship between ICI therapy duration and overall survival (OS) in patients who achieved varying best overall response (BOR) during ICI treatment, and to compare patients treated for 6 to 18 months
methodsThis retrospective cohort study included adult patients diagnosed with advanced NSCLC who received ICI therapy at the Zhejiang Cancer Hospital between 2017 and 2022. Data collection ended on May 1, 2024, and statistical analysis was performed between May and June 2024.
resultsUsing strict entry criteria, we screened 487 patients with advanced NSCLC and identified 134 eligible patients. Among these patients, the median durations of immunotherapy and follow-up were 24.57 months and 43.60 months, respectively. The objective response rate (ORR) was 58.2%, and the median progression-free survival (PFS) was 10.6 months. Median OS was not reached. At the last follow-up, 54 patients had no disease progression, and 118 patients remained alive. Patients treated with ICI therapy for ≥ 18 months had superior survival to those treated for 6 to 18 months (
conclusionsThis study provides real-world evidence and novel insights into the need for continuing ICI therapy beyond 18 months in patients with advanced NSCLC who do not exhibit progressive disease. For patients achieving SD during ICI therapy, a treatment duration of at least 18 months appears appropriate. For patients achieving CR/PR, treatment decisions should be individualized according to patient-specific circumstances. However, owing to the retrospective study design, potential selection bias and confounding factors might have influenced the results. Therefore, our findings require further validation in prospective clinical studies.
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