ArticleTranslational lung cancer research2024
Response to platinum-based therapies in second-line after immunotherapy in advanced or metastatic non-small-cell lung cancer PD-L1 ≥50.
Article in Translational lung cancer research, 2024. 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.
- Article
- Analysis of second-line therapy in patients with prior pneumonitis receiving first-line combination immunotherapy for advanced non-small cell lung cancer.Translational lung cancer research · 2025Article
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7 authors.
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Abstract
Background: Platinum-based therapies for patients with advanced non-small-cell lung cancer (NSCLC) have classically provided overall survival (OS) rates of six to nine months and objective response rates (ORRs) of 20-30%. Whether prior immunotherapy determines a different response to platinum is currently unknown. This study aimed to analyse the current response characteristics to platinum as a second-line treatment for advanced NSCLC (PD-L1 ≥50%) after first-line immunotherapy. Methods: This retrospective study was conducted at the University Hospital of Salamanca (CAUSA) between 2016 and 2023 with patients who had advanced NSCLC (PD-L1 ≥50%) treated with second-line platinum-based therapies after immunotherapy (without mutations in Results: Seventeen patients were analysed (11 male and 6 female). Their median age was 67 years (interquartile range, 50-77 years). Fifteen patients (88.2%) were smokers or former smokers. The patients' main histology was adenocarcinoma (9 patients, 52.9%). All first-line treatments applied pembrolizumab (median dose: 12 cycles). Second-line platinum-based therapy achieved OS of 25 months (95% CI: 7-45 months) and progression-free survival (PFS) of 6 months (95% CI: 2.5-95 months). The ORR was 47.1% [seven patients with a partial response (PR) and one patient with a complete response (CR)]. Of the patients with PRs or CRs, 75% were treated with platinum plus pemetrexed. The one-year survival rate was 58.8%. The historical OS for first-line platinum-based doublets is 7 to 12 months, with PFS of three to five months and an ORR of 17-30%. Conclusions: The current response to second-line platinum-based therapies for patients with advanced NSCLC after immunotherapy appears to achieve favourable response rates and be an optimal treatment after progression to immunotherapy. Prior immunotherapy appears to enhance these patients' platinum response, though future confirmatory studies are necessary.
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