ArticleJTO clinical and research reports2024
Synchronous Oligometastasis and Oligoprogression as a Prognostic Marker in Patients With Extensive-Stage SCLC Treated With a Combination of Immune-Checkpoint Inhibitor and Chemotherapy (HOT2301).
Article in JTO clinical and research reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Prognostic value of baseline LIPI, LDH and dNLR in ES-SCLC patients receiving immune checkpoint inhibitors: a systematic review and meta-analysis.Frontiers in immunology · 2025Pooled it
- A predictive model for immunotherapy in extensive-stage small cell lung cancer based on peripheral blood.Journal of thoracic disease · 2026Article
- Long-term survival after combination therapy with atezolizumab in a patient with small-cell lung cancer: a case report.Translational lung cancer research · 2024Article
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Authors and funding
24 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: Oligometastasis and oligoprogression (OP) has not been adequately defined in extensive-stage SCLC (ES-SCLC) and may be a good indication for adding local treatment. Therefore, this multicenter study aimed to investigate the prognostic impact of oligometastasis and OP in ES-SCLC. Methods: We enrolled patients who received chemoimmunotherapy between September 2019 and June 2022. Patients were classified into oligometastasis and non-oligometastasis groups by determining the number of original tumor lesions and distant metastases (worsening or newly appearing lesions) at the time of initial diagnosis and disease progression after first-line treatment. Results: We retrospectively analyzed 265 consecutive patients with ES-SCLC. Synchronous oligometastasis (SOM) and OP was defined as less than or equal to five lesions in less than or equal to two organs, including lungs; 21.0% and 53.2% of patients had SOM and OP, respectively. Median progression-free survival was 5.8 months and 4.9 months in patients with and without SOM, respectively (hazard ratio [HR] = 0.72, 95% confidence interval [CI]: 0.51-1.02, Conclusions: ES-SCLC in patients with SOM and OP may be more indolent than that of the nonoligometastasis group, therefore, new treatment strategies, including the addition of local treatment, should be explored. Clinical trial registration: This study was registered at UMIN-CTR (UMIN000053402).
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